[Kernel-packages] [Bug 1969326] Re: Enable hotspot feature for Realtek 8821CE
I am using ubuntu 22.04. My lapitop has Realtek 8821CE. Kernel version is 5.15.0-27-generic. Wifi hotspot turns on, but other devices are unable to connect. Is this problem related to this bug? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1969326 Title: Enable hotspot feature for Realtek 8821CE Status in HWE Next: New Status in OEM Priority Project: New Status in linux package in Ubuntu: In Progress Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.17 package in Ubuntu: In Progress Status in linux source package in Focal: Invalid Status in linux-oem-5.14 source package in Focal: Fix Committed Status in linux-oem-5.17 source package in Focal: Invalid Status in linux source package in Jammy: In Progress Status in linux-oem-5.14 source package in Jammy: Invalid Status in linux-oem-5.17 source package in Jammy: In Progress Bug description: [Impact] The wifi hotspot doesn't work without the fix. [Fix] Realtek provides us the patches to add this feature which are still in linux-next. https://patchwork.kernel.org/project/linux-wireless/cover/20220407095858.46807-1-pks...@realtek.com/ ece31c93d4d6 rtw88: 8821c: fix debugfs rssi value f5207c122102 rtw88: do PHY calibration while starting AP f1c4dabfe68d rtw88: 8821c: Enable TX report for management frames f2217968ffda rtw88: Add update beacon flow for AP mode 6723c0cde84f rtw88: fix incorrect frequency reported c1edc86472fc rtw88: add ieee80211:sta_rc_update ops Realtek provides us another series of patches for 5.14, and it contains 5 commits, we'd verified this series of patches. [Test] Verified on the Realtek 8821CE card. [Where problems could occur] The patches are introducing new interfaces, I think it only has minimal impact to the origin behaviors. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1969326/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1937926] Re: Realtek RTL8821CE PCIe Wifi driver problem, wifi speed very slow, on connecting to 2.4ghz network, often disconnects.
Did a fresh install of Ubuntu 22.04, and the problem is still present. ** Summary changed: - Realtek 8821C PCIe Wifi driver problem, wifi speed very slow on connecting to 2.4ghz network. + Realtek RTL8821CE PCIe Wifi driver problem, wifi speed very slow, on connecting to 2.4ghz network, often disconnects. ** Tags added: jammy ** Tags removed: wayland-session ** Tags added: wifi -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1937926 Title: Realtek RTL8821CE PCIe Wifi driver problem, wifi speed very slow, on connecting to 2.4ghz network, often disconnects. Status in linux package in Ubuntu: Confirmed Bug description: I am using the Realtek 8821C PCIE Wifi driver that is provided in the Additional drivers app of Ubuntu. When I connect to a 2.4 ghz network, the internet speed is very slow, it rarely goes above 4mbps. But the driver works fine when connected to a 5ghz network, easily reaching speeds of over 80mbps. I don't think it is a problem of my wifi router because in Windows OS running on the same laptop, I mostly get speeds of around 40mbps when connected to the 2.4 ghz network. 1. What is the full computer model number? Ans: HP Laptop 15s-eq0500AU. 2. If you update your BIOS to the newest version following the guide here, does this change anything? Ans: No. 3. Regarding your wireless Access Point (WAP): 3c. What wireless connection type are you using (802.11ac, 802.11n 150/300, 802.11g, etc.)? Ans: 802.11n 3d. If you switch to a different wireless type (802.11g or 802.11n if you are using 802.11g) does this change anything? Ans: Yes, in the 5ghz 802.11ac type, the speed is very normally very good. 3f. In order to understand the wireless environment your WAP is working in, please provide the output of the following terminal command: sudo iw dev wlan0 scan | grep -i "ds parameter set" Ans: [sudo] password for soumadeepsarkar1: command failed: No such device (-19) Output of sudo iw dev wlo1 scan | grep -i "ds parameter set" DS Parameter set: channel 11 DS Parameter set: channel 149 DS Parameter set: channel 149 DS Parameter set: channel 11 DS Parameter set: channel 2 DS Parameter set: channel 6 DS Parameter set: channel 10 DS Parameter set: channel 1 DS Parameter set: channel 7 DS Parameter set: channel 13 DS Parameter set: channel 1 DS Parameter set: channel 1 DS Parameter set: channel 4 DS Parameter set: channel 3 DS Parameter set: channel 10 3g. What encryption type are you using (ex. WEP, WPA2-PSK, etc.)? Ans: WPA2-PSK 3o. What frequency are you using (2.4GHz, 5GHz, etc.)? Ans: 2.4 GHz 3p. If you change frequency does it change anything? Ans: Yes, speed is good in 5ghz 4. Does another wireless device tested with the WAP have the same problem as the hardware you initially reported with? Ans: No. 5. What is the distance of the wireless device from the WAP? Ans: 6 metre 6. What is the number and type of obstructions between your device and the WAP? Ans: 2 6a. If you bring the device close to the WAP and eliminate obstructions, does this change anything? Ans: No 7. Does the issue occur with different WAPs? Ans: Yes 8. Is it a regression (i.e. did the problem happen in a prior Ubuntu release)? If so, what release specifically did it last work with? If you do not know, could you please test for this in the earliest release of Ubuntu that is supported as per Ubuntu Releases? Ans: I don't know if it is a regression and I cannot test for this in another release of Ubuntu. 9. Does this problem occur in the newest mainline kernel following https://wiki.ubuntu.com/Kernel/MainlineBuilds? Please mention what specific version of the mainline kernel you tested with in your report. Ans: Kernel version: 5.11.0-25-generic ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: linux-image-5.11.0-25-generic 5.11.0-25.27 ProcVersionSignature: Ubuntu 5.11.0-25.27-generic 5.11.22 Uname: Linux 5.11.0-25-generic x86_64 ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC1: soumadeepsarkar1 1797 F pulseaudio /dev/snd/controlC0: soumadeepsarkar1 1797 F pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Sun Jul 25 10:11:55 2021 InstallationDate: Installed on 2021-07-02 (23 days ago) InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) MachineType: HP HP Laptop 15s-eq0xxx ProcEnviron: LANGUAGE=en_IN:en PATH=(custom, no user) XDG_RUNTIME_DIR= LANG=en_IN SHELL=/bin/bash ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-25-generic root=UUID=2d1ce438-fd55-446d-8d61-e2d579055204
[Kernel-packages] [Bug 1969326] Re: Enable hotspot feature for Realtek 8821CE
Can someone please verify the fix? I cannot verify the fix for Ubuntu 20.04, I am running Ubuntu 22.04 and I enabled proposed from software & updates, there were a few kernel updates, the latest one being 5.15.0-30-generic. I did all the available updates in proposed. But wifi hotspot still doesn't work on Ubuntu 22.04. My smartphone is able to detect the hotspot but is unable to connect to it. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1969326 Title: Enable hotspot feature for Realtek 8821CE Status in HWE Next: New Status in OEM Priority Project: New Status in linux package in Ubuntu: In Progress Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.17 package in Ubuntu: In Progress Status in linux source package in Focal: Invalid Status in linux-oem-5.14 source package in Focal: Fix Committed Status in linux-oem-5.17 source package in Focal: Invalid Status in linux source package in Jammy: In Progress Status in linux-oem-5.14 source package in Jammy: Invalid Status in linux-oem-5.17 source package in Jammy: In Progress Bug description: [Impact] The wifi hotspot doesn't work without the fix. [Fix] Realtek provides us the patches to add this feature which are still in linux-next. https://patchwork.kernel.org/project/linux-wireless/cover/20220407095858.46807-1-pks...@realtek.com/ ece31c93d4d6 rtw88: 8821c: fix debugfs rssi value f5207c122102 rtw88: do PHY calibration while starting AP f1c4dabfe68d rtw88: 8821c: Enable TX report for management frames f2217968ffda rtw88: Add update beacon flow for AP mode 6723c0cde84f rtw88: fix incorrect frequency reported c1edc86472fc rtw88: add ieee80211:sta_rc_update ops Realtek provides us another series of patches for 5.14, and it contains 5 commits, we'd verified this series of patches. [Test] Verified on the Realtek 8821CE card. [Where problems could occur] The patches are introducing new interfaces, I think it only has minimal impact to the origin behaviors. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1969326/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1969326] Re: Enable hotspot feature for Realtek 8821CE
@andch, I am using Ubuntu 22.04 on my DUT. On running the following command: $ sudo apt install linux-oem-20.04d it cannot find the package It returns: E: Unable to locate package linux-oem-20.04d E: Couldn't find any package by glob 'linux-oem-20.04d' -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1969326 Title: Enable hotspot feature for Realtek 8821CE Status in HWE Next: New Status in OEM Priority Project: New Status in linux package in Ubuntu: In Progress Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.17 package in Ubuntu: In Progress Status in linux source package in Focal: Invalid Status in linux-oem-5.14 source package in Focal: Fix Committed Status in linux-oem-5.17 source package in Focal: Invalid Status in linux source package in Jammy: In Progress Status in linux-oem-5.14 source package in Jammy: Invalid Status in linux-oem-5.17 source package in Jammy: In Progress Bug description: [Impact] The wifi hotspot doesn't work without the fix. [Fix] Realtek provides us the patches to add this feature which are still in linux-next. https://patchwork.kernel.org/project/linux-wireless/cover/20220407095858.46807-1-pks...@realtek.com/ ece31c93d4d6 rtw88: 8821c: fix debugfs rssi value f5207c122102 rtw88: do PHY calibration while starting AP f1c4dabfe68d rtw88: 8821c: Enable TX report for management frames f2217968ffda rtw88: Add update beacon flow for AP mode 6723c0cde84f rtw88: fix incorrect frequency reported c1edc86472fc rtw88: add ieee80211:sta_rc_update ops Realtek provides us another series of patches for 5.14, and it contains 5 commits, we'd verified this series of patches. [Test] Verified on the Realtek 8821CE card. [Where problems could occur] The patches are introducing new interfaces, I think it only has minimal impact to the origin behaviors. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1969326/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1969326] Re: Enable hotspot feature for Realtek 8821CE
@andch, after searching the internet some more, I figured out that I needed to add the proposed for focal in /etc/apt/sources.list in order to install the kernel 5.14.0-1035.38 (the same one that you installed). So I did all that, and THE FIX WORKS. My smartphone can connect to the hotspot and access the internet. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1969326 Title: Enable hotspot feature for Realtek 8821CE Status in HWE Next: New Status in OEM Priority Project: New Status in linux package in Ubuntu: In Progress Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.17 package in Ubuntu: In Progress Status in linux source package in Focal: Invalid Status in linux-oem-5.14 source package in Focal: Fix Committed Status in linux-oem-5.17 source package in Focal: Invalid Status in linux source package in Jammy: In Progress Status in linux-oem-5.14 source package in Jammy: Invalid Status in linux-oem-5.17 source package in Jammy: In Progress Bug description: [Impact] The wifi hotspot doesn't work without the fix. [Fix] Realtek provides us the patches to add this feature which are still in linux-next. https://patchwork.kernel.org/project/linux-wireless/cover/20220407095858.46807-1-pks...@realtek.com/ ece31c93d4d6 rtw88: 8821c: fix debugfs rssi value f5207c122102 rtw88: do PHY calibration while starting AP f1c4dabfe68d rtw88: 8821c: Enable TX report for management frames f2217968ffda rtw88: Add update beacon flow for AP mode 6723c0cde84f rtw88: fix incorrect frequency reported c1edc86472fc rtw88: add ieee80211:sta_rc_update ops Realtek provides us another series of patches for 5.14, and it contains 5 commits, we'd verified this series of patches. [Test] Verified on the Realtek 8821CE card. [Where problems could occur] The patches are introducing new interfaces, I think it only has minimal impact to the origin behaviors. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1969326/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1969326] Re: Enable hotspot feature for Realtek 8821CE
How can I test the fix? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1969326 Title: Enable hotspot feature for Realtek 8821CE Status in HWE Next: New Status in OEM Priority Project: New Status in linux package in Ubuntu: Invalid Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.17 package in Ubuntu: Invalid Status in linux source package in Focal: Invalid Status in linux-oem-5.14 source package in Focal: Fix Released Status in linux-oem-5.17 source package in Focal: Invalid Status in linux source package in Jammy: Fix Committed Status in linux-oem-5.14 source package in Jammy: Invalid Status in linux-oem-5.17 source package in Jammy: Fix Committed Bug description: [Impact] The wifi hotspot doesn't work without the fix. [Fix] Realtek provides us the patches to add this feature which are still in linux-next. https://patchwork.kernel.org/project/linux-wireless/cover/20220407095858.46807-1-pks...@realtek.com/ ece31c93d4d6 rtw88: 8821c: fix debugfs rssi value f5207c122102 rtw88: do PHY calibration while starting AP f1c4dabfe68d rtw88: 8821c: Enable TX report for management frames f2217968ffda rtw88: Add update beacon flow for AP mode 6723c0cde84f rtw88: fix incorrect frequency reported c1edc86472fc rtw88: add ieee80211:sta_rc_update ops Realtek provides us another series of patches for 5.14, and it contains 5 commits, we'd verified this series of patches. [Test] Verified on the Realtek 8821CE card. [Where problems could occur] The patches are introducing new interfaces, I think it only has minimal impact to the origin behaviors. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1969326/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1969326] Re: Enable hotspot feature for Realtek 8821CE
Installed 5.17.0-1009-oem unsigned kernel image on Ubuntu 22.04 and tested the fix. The fix works. My phone can connect to the wifi hotspot and browse the internet. ** Attachment added: "dmesg.txt" https://bugs.launchpad.net/ubuntu/jammy/+source/linux-oem-5.17/+bug/1969326/+attachment/5594782/+files/dmesg.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1969326 Title: Enable hotspot feature for Realtek 8821CE Status in HWE Next: New Status in OEM Priority Project: New Status in linux package in Ubuntu: Invalid Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.17 package in Ubuntu: Invalid Status in linux source package in Focal: Invalid Status in linux-oem-5.14 source package in Focal: Fix Released Status in linux-oem-5.17 source package in Focal: Invalid Status in linux source package in Jammy: Fix Committed Status in linux-oem-5.14 source package in Jammy: Invalid Status in linux-oem-5.17 source package in Jammy: Fix Committed Bug description: [Impact] The wifi hotspot doesn't work without the fix. [Fix] Realtek provides us the patches to add this feature which are still in linux-next. https://patchwork.kernel.org/project/linux-wireless/cover/20220407095858.46807-1-pks...@realtek.com/ ece31c93d4d6 rtw88: 8821c: fix debugfs rssi value f5207c122102 rtw88: do PHY calibration while starting AP f1c4dabfe68d rtw88: 8821c: Enable TX report for management frames f2217968ffda rtw88: Add update beacon flow for AP mode 6723c0cde84f rtw88: fix incorrect frequency reported c1edc86472fc rtw88: add ieee80211:sta_rc_update ops Realtek provides us another series of patches for 5.14, and it contains 5 commits, we'd verified this series of patches. [Test] Verified on the Realtek 8821CE card. [Where problems could occur] The patches are introducing new interfaces, I think it only has minimal impact to the origin behaviors. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1969326/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1969326] Re: Enable hotspot feature for Realtek 8821CE
** Tags removed: verification-needed-jammy ** Tags added: verification-done-jammy -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1969326 Title: Enable hotspot feature for Realtek 8821CE Status in HWE Next: New Status in OEM Priority Project: New Status in linux package in Ubuntu: Invalid Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.17 package in Ubuntu: Invalid Status in linux source package in Focal: Invalid Status in linux-oem-5.14 source package in Focal: Fix Released Status in linux-oem-5.17 source package in Focal: Invalid Status in linux source package in Jammy: Fix Committed Status in linux-oem-5.14 source package in Jammy: Invalid Status in linux-oem-5.17 source package in Jammy: Fix Committed Bug description: [Impact] The wifi hotspot doesn't work without the fix. [Fix] Realtek provides us the patches to add this feature which are still in linux-next. https://patchwork.kernel.org/project/linux-wireless/cover/20220407095858.46807-1-pks...@realtek.com/ ece31c93d4d6 rtw88: 8821c: fix debugfs rssi value f5207c122102 rtw88: do PHY calibration while starting AP f1c4dabfe68d rtw88: 8821c: Enable TX report for management frames f2217968ffda rtw88: Add update beacon flow for AP mode 6723c0cde84f rtw88: fix incorrect frequency reported c1edc86472fc rtw88: add ieee80211:sta_rc_update ops Realtek provides us another series of patches for 5.14, and it contains 5 commits, we'd verified this series of patches. [Test] Verified on the Realtek 8821CE card. [Where problems could occur] The patches are introducing new interfaces, I think it only has minimal impact to the origin behaviors. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1969326/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1956396] Re: kernel 5.13.0-23 extremely slow boot on AMD proc/graphics
This bug also affects my laptop.The kernel of my Ubuntu 21.10 was updated to 5.13.0-23 just now. But on starting using this kernel, everything is very slow, and some things do not even open, like google chrome and telegram. My laptop has AMD ryzen 3500u processor. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1956396 Title: kernel 5.13.0-23 extremely slow boot on AMD proc/graphics Status in linux package in Ubuntu: Confirmed Bug description: 5.13.0-23 HWE kernel on Linux Mint 20.2 Xfce (Ubuntu 20.04.3) Had been using the 5.13 HWE kernel for months with no problems. Today the kernel and linux-firmware updated. 5.13.0-23 kernel now takes about 2 minutes to boot to the login screen. Normal boot time is 8 seconds. During that time the pc is frozen with only a _ underline cursor that doesn't flash. Can't change terminals with Ctrl+Alt+F1, etc. Problem does not occur when booting 5.11.0-44 or 5.4.0-92 so I'm pretty sure the problem is in the kernel and not linux-firmware. System information (while using 5.11 kernel) CPU: Topology: Quad Core model: AMD Ryzen 5 3400G with Radeon Vega Graphics bits: 64 type: MT MCP arch: Zen+ rev: 1 L2 cache: 2048 KiB flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm bogomips: 59089 Speed: 1259 MHz min/max: 1400/3700 MHz boost: enabled Core speeds (MHz): 1: 1258 2: 1258 3: 1258 4: 1258 5: 1257 6: 1260 7: 1267 8: 1330 Graphics: Device-1: AMD Picasso vendor: Hewlett-Packard driver: amdgpu v: kernel bus ID: 0c:00.0 chip ID: 1002:15d8 Display: x11 server: X.Org 1.20.13 driver: amdgpu resolution: 1920x1080~60Hz OpenGL: renderer: AMD Radeon Vega 11 Graphics (RAVEN DRM 3.40.0 5.11.0-44-generic LLVM 12.0.0) v: 4.6 Mesa 21.0.3 direct render: Yes Forums threads about it: https://ubuntuforums.org/showthread.php?t=2470574 https://forums.linuxmint.com/viewtopic.php?f=46&t=364729 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1956396/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1956408] [NEW] Ubuntu 21.10 very slow after kernel update to 5.13.0-23-generic
Public bug reported: After updating the kernel to 5.13.0-23-generic, everything seems very very slow. The operating system takes a long time to reach the desktop, applications like google chrome, telegram take a long time to open. Till now, out of the 4 times I have started ubuntu using kernel 5.13.0-23-generic, 3 times everything was slow, and 1 time things were normal and fast as usual. My processor is AMD Ryzen 3500u. lsb_release -rd Description:Ubuntu 21.10 Release:21.10 ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: linux-image-5.13.0-23-generic 5.13.0-23.23 ProcVersionSignature: Ubuntu 5.13.0-23.23-generic 5.13.19 Uname: Linux 5.13.0-23-generic x86_64 ApportVersion: 2.20.11-0ubuntu71 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC1: soumadeepsarkar1 1671 F pulseaudio /dev/snd/controlC0: soumadeepsarkar1 1671 F pulseaudio CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Wed Jan 5 09:38:49 2022 InstallationDate: Installed on 2021-12-06 (29 days ago) InstallationMedia: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012) MachineType: HP HP Laptop 15s-eq0xxx ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-23-generic root=UUID=7e493e25-d42c-4448-beec-66294ac825d3 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.13.0-23-generic N/A linux-backports-modules-5.13.0-23-generic N/A linux-firmware 1.201.3 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/15/2021 dmi.bios.release: 15.53 dmi.bios.vendor: AMI dmi.bios.version: F.53 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 86FD dmi.board.vendor: HP dmi.board.version: 99.42 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.ec.firmware.release: 99.42 dmi.modalias: dmi:bvnAMI:bvrF.53:bd10/15/2021:br15.53:efr99.42:svnHP:pnHPLaptop15s-eq0xxx:pvr:rvnHP:rn86FD:rvr99.42:cvnHP:ct10:cvrChassisVersion:sku440L6PA#ACJ: dmi.product.family: 103C_5335KV HP Notebook dmi.product.name: HP Laptop 15s-eq0xxx dmi.product.sku: 440L6PA#ACJ dmi.sys.vendor: HP ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug impish wayland-session -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1956408 Title: Ubuntu 21.10 very slow after kernel update to 5.13.0-23-generic Status in linux package in Ubuntu: New Bug description: After updating the kernel to 5.13.0-23-generic, everything seems very very slow. The operating system takes a long time to reach the desktop, applications like google chrome, telegram take a long time to open. Till now, out of the 4 times I have started ubuntu using kernel 5.13.0-23-generic, 3 times everything was slow, and 1 time things were normal and fast as usual. My processor is AMD Ryzen 3500u. lsb_release -rd Description: Ubuntu 21.10 Release: 21.10 ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: linux-image-5.13.0-23-generic 5.13.0-23.23 ProcVersionSignature: Ubuntu 5.13.0-23.23-generic 5.13.19 Uname: Linux 5.13.0-23-generic x86_64 ApportVersion: 2.20.11-0ubuntu71 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC1: soumadeepsarkar1 1671 F pulseaudio /dev/snd/controlC0: soumadeepsarkar1 1671 F pulseaudio CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Wed Jan 5 09:38:49 2022 InstallationDate: Installed on 2021-12-06 (29 days ago) InstallationMedia: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012) MachineType: HP HP Laptop 15s-eq0xxx ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-23-generic root=UUID=7e493e25-d42c-4448-beec-66294ac825d3 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.13.0-23-generic N/A linux-backports-modules-5.13.0-23-generic N/A linux-firmware 1.201.3 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/15/2021 dmi.bios.release: 15.53 dmi.bios.vendor: AMI dmi.bios.version: F.53 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 86FD dmi.board.vendor: HP dmi.board.version: 99.42 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.ec.firmware.release: 99.42 dmi.modalias: dmi:bvnAMI:bvrF.53:bd10/15/2021:br15.53:efr99.42:svnHP:pnHPLaptop15s-eq0xxx:pvr:rvnHP:rn86FD:rvr99.42:cvnHP:ct10:cvrChassisVersion:sku440L6PA#ACJ: dmi.product.family: 103C_5335KV HP Notebook dmi.product.name: HP Laptop 15s-eq0xxx dmi.product.sku: 440L6PA#ACJ dmi.sys.vendor: HP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1
[Kernel-packages] [Bug 1956408] Re: Ubuntu 21.10 very slow after kernel update to 5.13.0-23-generic
My current workaround is to go into advanced options for ubuntu from the grub menu while starting the computer, and select an earlier kernel version, 5.13.0-22-generic in my case. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1956408 Title: Ubuntu 21.10 very slow after kernel update to 5.13.0-23-generic Status in linux package in Ubuntu: Confirmed Bug description: After updating the kernel to 5.13.0-23-generic, everything seems very very slow. The operating system takes a long time to reach the desktop, applications like google chrome, telegram take a long time to open. Till now, out of the 4 times I have started ubuntu using kernel 5.13.0-23-generic, 3 times everything was slow, and 1 time things were normal and fast as usual. My processor is AMD Ryzen 3500u. lsb_release -rd Description: Ubuntu 21.10 Release: 21.10 ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: linux-image-5.13.0-23-generic 5.13.0-23.23 ProcVersionSignature: Ubuntu 5.13.0-23.23-generic 5.13.19 Uname: Linux 5.13.0-23-generic x86_64 ApportVersion: 2.20.11-0ubuntu71 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC1: soumadeepsarkar1 1671 F pulseaudio /dev/snd/controlC0: soumadeepsarkar1 1671 F pulseaudio CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Wed Jan 5 09:38:49 2022 InstallationDate: Installed on 2021-12-06 (29 days ago) InstallationMedia: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012) MachineType: HP HP Laptop 15s-eq0xxx ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-23-generic root=UUID=7e493e25-d42c-4448-beec-66294ac825d3 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.13.0-23-generic N/A linux-backports-modules-5.13.0-23-generic N/A linux-firmware 1.201.3 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/15/2021 dmi.bios.release: 15.53 dmi.bios.vendor: AMI dmi.bios.version: F.53 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 86FD dmi.board.vendor: HP dmi.board.version: 99.42 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.ec.firmware.release: 99.42 dmi.modalias: dmi:bvnAMI:bvrF.53:bd10/15/2021:br15.53:efr99.42:svnHP:pnHPLaptop15s-eq0xxx:pvr:rvnHP:rn86FD:rvr99.42:cvnHP:ct10:cvrChassisVersion:sku440L6PA#ACJ: dmi.product.family: 103C_5335KV HP Notebook dmi.product.name: HP Laptop 15s-eq0xxx dmi.product.sku: 440L6PA#ACJ dmi.sys.vendor: HP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1956408/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1956408] Re: Ubuntu 21.10 very slow after kernel update to 5.13.0-23-generic
Yes, the reporter of bug 1956396 was not able to run apport. I was able to open gnome-terminal, so I reported it by running ubuntu-bug linux. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1956408 Title: Ubuntu 21.10 very slow after kernel update to 5.13.0-23-generic Status in linux package in Ubuntu: Confirmed Bug description: After updating the kernel to 5.13.0-23-generic, everything seems very very slow. The operating system takes a long time to reach the desktop, applications like google chrome, telegram take a long time to open. Till now, out of the 4 times I have started ubuntu using kernel 5.13.0-23-generic, 3 times everything was slow, and 1 time things were normal and fast as usual. My processor is AMD Ryzen 3500u. lsb_release -rd Description: Ubuntu 21.10 Release: 21.10 ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: linux-image-5.13.0-23-generic 5.13.0-23.23 ProcVersionSignature: Ubuntu 5.13.0-23.23-generic 5.13.19 Uname: Linux 5.13.0-23-generic x86_64 ApportVersion: 2.20.11-0ubuntu71 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC1: soumadeepsarkar1 1671 F pulseaudio /dev/snd/controlC0: soumadeepsarkar1 1671 F pulseaudio CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Wed Jan 5 09:38:49 2022 InstallationDate: Installed on 2021-12-06 (29 days ago) InstallationMedia: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012) MachineType: HP HP Laptop 15s-eq0xxx ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-23-generic root=UUID=7e493e25-d42c-4448-beec-66294ac825d3 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.13.0-23-generic N/A linux-backports-modules-5.13.0-23-generic N/A linux-firmware 1.201.3 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/15/2021 dmi.bios.release: 15.53 dmi.bios.vendor: AMI dmi.bios.version: F.53 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 86FD dmi.board.vendor: HP dmi.board.version: 99.42 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.ec.firmware.release: 99.42 dmi.modalias: dmi:bvnAMI:bvrF.53:bd10/15/2021:br15.53:efr99.42:svnHP:pnHPLaptop15s-eq0xxx:pvr:rvnHP:rn86FD:rvr99.42:cvnHP:ct10:cvrChassisVersion:sku440L6PA#ACJ: dmi.product.family: 103C_5335KV HP Notebook dmi.product.name: HP Laptop 15s-eq0xxx dmi.product.sku: 440L6PA#ACJ dmi.sys.vendor: HP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1956408/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1937926] [NEW] Realtek 8821C PCIe Wifi driver problem, wifi speed very slow on connecting to 2.4ghz network.
Public bug reported: I am using the Realtek 8821C PCIE Wifi driver that is provided in the Additional drivers app of Ubuntu. When I connect to a 2.4 ghz network, the internet speed is very slow, it rarely goes above 4mbps. But the driver works fine when connected to a 5ghz network, easily reaching speeds of over 80mbps. I don't think it is a problem of my wifi router because in Windows OS running on the same laptop, I mostly get speeds of around 40mbps when connected to the 2.4 ghz network. 1. What is the full computer model number? Ans: HP Laptop 15s-eq0500AU. 2. If you update your BIOS to the newest version following the guide here, does this change anything? Ans: No. 3. Regarding your wireless Access Point (WAP): 3o. What frequency are you using (2.4GHz, 5GHz, etc.)? Ans: 2.4 GHz 3p. If you change frequency does it change anything? Ans: Yes, speed is good in 5ghz 4. Does another wireless device tested with the WAP have the same problem as the hardware you initially reported with? Ans: No. 5. What is the distance of the wireless device from the WAP? Ans: 6 metre 6. What is the number and type of obstructions between your device and the WAP? Ans: 2 6a. If you bring the device close to the WAP and eliminate obstructions, does this change anything? Ans: No 7. Does the issue occur with different WAPs? Ans: Yes 8. Is it a regression (i.e. did the problem happen in a prior Ubuntu release)? If so, what release specifically did it last work with? If you do not know, could you please test for this in the earliest release of Ubuntu that is supported as per Ubuntu Releases? Ans: I don't know if it is a regression and I cannot test for this in another release of Ubuntu. 9. Does this problem occur in the newest mainline kernel following https://wiki.ubuntu.com/Kernel/MainlineBuilds? Please mention what specific version of the mainline kernel you tested with in your report. Ans: Kernel version: 5.11.0-25-generic ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: linux-image-5.11.0-25-generic 5.11.0-25.27 ProcVersionSignature: Ubuntu 5.11.0-25.27-generic 5.11.22 Uname: Linux 5.11.0-25-generic x86_64 ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC1: soumadeepsarkar1 1797 F pulseaudio /dev/snd/controlC0: soumadeepsarkar1 1797 F pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Sun Jul 25 10:11:55 2021 InstallationDate: Installed on 2021-07-02 (23 days ago) InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) MachineType: HP HP Laptop 15s-eq0xxx ProcEnviron: LANGUAGE=en_IN:en PATH=(custom, no user) XDG_RUNTIME_DIR= LANG=en_IN SHELL=/bin/bash ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-25-generic root=UUID=2d1ce438-fd55-446d-8d61-e2d579055204 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.11.0-25-generic N/A linux-backports-modules-5.11.0-25-generic N/A linux-firmware 1.197.2 SourcePackage: linux UpgradeStatus: Upgraded to hirsute on 2021-07-02 (22 days ago) dmi.bios.date: 05/13/2021 dmi.bios.release: 15.42 dmi.bios.vendor: AMI dmi.bios.version: F.42 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 86FD dmi.board.vendor: HP dmi.board.version: 99.41 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.ec.firmware.release: 99.41 dmi.modalias: dmi:bvnAMI:bvrF.42:bd05/13/2021:br15.42:efr99.41:svnHP:pnHPLaptop15s-eq0xxx:pvr:rvnHP:rn86FD:rvr99.41:cvnHP:ct10:cvrChassisVersion: dmi.product.family: 103C_5335KV HP Notebook dmi.product.name: HP Laptop 15s-eq0xxx dmi.product.sku: 440L6PA#ACJ dmi.sys.vendor: HP ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug hirsute wayland-session -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1937926 Title: Realtek 8821C PCIe Wifi driver problem, wifi speed very slow on connecting to 2.4ghz network. Status in linux package in Ubuntu: New Bug description: I am using the Realtek 8821C PCIE Wifi driver that is provided in the Additional drivers app of Ubuntu. When I connect to a 2.4 ghz network, the internet speed is very slow, it rarely goes above 4mbps. But the driver works fine when connected to a 5ghz network, easily reaching speeds of over 80mbps. I don't think it is a problem of my wifi router because in Windows OS running on the same laptop, I mostly get speeds of around 40mbps when connected to the 2.4 ghz network. 1. What is the full computer model number? Ans: HP Laptop 15s-eq0500AU. 2. If you update your BIOS to the newest version following the guide here, does this change anything? Ans: No. 3. Regarding your wireless Access Point (WAP): 3o. What frequency are you using (2.4GHz, 5GHz, etc.)?
[Kernel-packages] [Bug 1937926] Re: Realtek 8821C PCIe Wifi driver problem, wifi speed very slow on connecting to 2.4ghz network.
** Description changed: I am using the Realtek 8821C PCIE Wifi driver that is provided in the Additional drivers app of Ubuntu. When I connect to a 2.4 ghz network, the internet speed is very slow, it rarely goes above 4mbps. But the driver works fine when connected to a 5ghz network, easily reaching speeds of over 80mbps. I don't think it is a problem of my wifi router because in Windows OS running on the same laptop, I mostly get speeds of around 40mbps when connected to the 2.4 ghz network. 1. What is the full computer model number? Ans: HP Laptop 15s-eq0500AU. 2. If you update your BIOS to the newest version following the guide here, does this change anything? Ans: No. 3. Regarding your wireless Access Point (WAP): + 3c. What wireless connection type are you using (802.11ac, 802.11n 150/300, 802.11g, etc.)? + Ans: 802.11n + 3d. If you switch to a different wireless type (802.11g or 802.11n if you are using 802.11g) does this change anything? + Ans: Yes, in the 5ghz 802.11ac type, the speed is very normally very good. + 3f. In order to understand the wireless environment your WAP is working in, please provide the output of the following terminal command: + + sudo iw dev wlan0 scan | grep -i "ds parameter set" + Ans: [sudo] password for soumadeepsarkar1: + command failed: No such device (-19) + Output of + sudo iw dev wlo1 scan | grep -i "ds parameter set" + DS Parameter set: channel 11 + DS Parameter set: channel 149 + DS Parameter set: channel 149 + DS Parameter set: channel 11 + DS Parameter set: channel 2 + DS Parameter set: channel 6 + DS Parameter set: channel 10 + DS Parameter set: channel 1 + DS Parameter set: channel 7 + DS Parameter set: channel 13 + DS Parameter set: channel 1 + DS Parameter set: channel 1 + DS Parameter set: channel 4 + DS Parameter set: channel 3 + DS Parameter set: channel 10 + 3g. What encryption type are you using (ex. WEP, WPA2-PSK, etc.)? + Ans: WPA2-PSK 3o. What frequency are you using (2.4GHz, 5GHz, etc.)? Ans: 2.4 GHz 3p. If you change frequency does it change anything? Ans: Yes, speed is good in 5ghz 4. Does another wireless device tested with the WAP have the same problem as the hardware you initially reported with? Ans: No. 5. What is the distance of the wireless device from the WAP? Ans: 6 metre 6. What is the number and type of obstructions between your device and the WAP? Ans: 2 6a. If you bring the device close to the WAP and eliminate obstructions, does this change anything? Ans: No 7. Does the issue occur with different WAPs? Ans: Yes 8. Is it a regression (i.e. did the problem happen in a prior Ubuntu release)? If so, what release specifically did it last work with? If you do not know, could you please test for this in the earliest release of Ubuntu that is supported as per Ubuntu Releases? Ans: I don't know if it is a regression and I cannot test for this in another release of Ubuntu. 9. Does this problem occur in the newest mainline kernel following https://wiki.ubuntu.com/Kernel/MainlineBuilds? Please mention what specific version of the mainline kernel you tested with in your report. Ans: Kernel version: 5.11.0-25-generic ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: linux-image-5.11.0-25-generic 5.11.0-25.27 ProcVersionSignature: Ubuntu 5.11.0-25.27-generic 5.11.22 Uname: Linux 5.11.0-25-generic x86_64 ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 AudioDevicesInUse: - USERPID ACCESS COMMAND - /dev/snd/controlC1: soumadeepsarkar1 1797 F pulseaudio - /dev/snd/controlC0: soumadeepsarkar1 1797 F pulseaudio + USERPID ACCESS COMMAND + /dev/snd/controlC1: soumadeepsarkar1 1797 F pulseaudio + /dev/snd/controlC0: soumadeepsarkar1 1797 F pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Sun Jul 25 10:11:55 2021 InstallationDate: Installed on 2021-07-02 (23 days ago) InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) MachineType: HP HP Laptop 15s-eq0xxx ProcEnviron: - LANGUAGE=en_IN:en - PATH=(custom, no user) - XDG_RUNTIME_DIR= - LANG=en_IN - SHELL=/bin/bash + LANGUAGE=en_IN:en + PATH=(custom, no user) + XDG_RUNTIME_DIR= + LANG=en_IN + SHELL=/bin/bash ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-25-generic root=UUID=2d1ce438-fd55-446d-8d61-e2d579055204 ro quiet splash vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-5.11.0-25-generic N/A - linux-backports-modules-5.11.0-25-generic N/A - linux-firmware 1.197.2 + linux-restricted-modules-5.11.0-25-generic N/A + linux-backports-modules-5.11.0-25-generic N/A + linux-firmware 1.197.2 SourcePackage: linux UpgradeStatus: Upgraded to hirsute on 2021-07-02 (22 days ago) d
[Kernel-packages] [Bug 1937926] Re: Realtek 8821C PCIe Wifi driver problem, wifi speed very slow on connecting to 2.4ghz network.
:~$ iw dev wlan0 link command failed: No such device (-19) :~$ iw dev wlan0 get power_save command failed: No such device (-19) Seems like there is no device named wlan0. I think it is wlo1 instead of wlan0 on my laptop. When I replace wlan0 with wlo1, the results are as follows: :~$ iw dev wlo1 link Connected to 50:2b:73:74:69:91 (on wlo1) SSID: Crossroads freq: 2412 signal: -63 dBm tx bitrate: 150.0 MBit/s :~$ iw dev wlo1 get power_save Power save: on :~$ iw dev wlan0 set power_save off command failed: No such device (-19) :~$ iw dev wlo1 set power_save off command failed: Operation not permitted (-1) :~$ sudo iw dev wlo1 set power_save off [sudo] password for soumadeepsarkar1: :~$ iw dev wlo1 get power_save Power save: off Even after setting power_save to off, it speed doesn't improve. These are the speeds tested using speedtest.net after setting power_save to off PING ms 3 DOWNLOAD Mbps 4.23 UPLOAD Mbps 6.42 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1937926 Title: Realtek 8821C PCIe Wifi driver problem, wifi speed very slow on connecting to 2.4ghz network. Status in linux package in Ubuntu: New Bug description: I am using the Realtek 8821C PCIE Wifi driver that is provided in the Additional drivers app of Ubuntu. When I connect to a 2.4 ghz network, the internet speed is very slow, it rarely goes above 4mbps. But the driver works fine when connected to a 5ghz network, easily reaching speeds of over 80mbps. I don't think it is a problem of my wifi router because in Windows OS running on the same laptop, I mostly get speeds of around 40mbps when connected to the 2.4 ghz network. 1. What is the full computer model number? Ans: HP Laptop 15s-eq0500AU. 2. If you update your BIOS to the newest version following the guide here, does this change anything? Ans: No. 3. Regarding your wireless Access Point (WAP): 3c. What wireless connection type are you using (802.11ac, 802.11n 150/300, 802.11g, etc.)? Ans: 802.11n 3d. If you switch to a different wireless type (802.11g or 802.11n if you are using 802.11g) does this change anything? Ans: Yes, in the 5ghz 802.11ac type, the speed is very normally very good. 3f. In order to understand the wireless environment your WAP is working in, please provide the output of the following terminal command: sudo iw dev wlan0 scan | grep -i "ds parameter set" Ans: [sudo] password for soumadeepsarkar1: command failed: No such device (-19) Output of sudo iw dev wlo1 scan | grep -i "ds parameter set" DS Parameter set: channel 11 DS Parameter set: channel 149 DS Parameter set: channel 149 DS Parameter set: channel 11 DS Parameter set: channel 2 DS Parameter set: channel 6 DS Parameter set: channel 10 DS Parameter set: channel 1 DS Parameter set: channel 7 DS Parameter set: channel 13 DS Parameter set: channel 1 DS Parameter set: channel 1 DS Parameter set: channel 4 DS Parameter set: channel 3 DS Parameter set: channel 10 3g. What encryption type are you using (ex. WEP, WPA2-PSK, etc.)? Ans: WPA2-PSK 3o. What frequency are you using (2.4GHz, 5GHz, etc.)? Ans: 2.4 GHz 3p. If you change frequency does it change anything? Ans: Yes, speed is good in 5ghz 4. Does another wireless device tested with the WAP have the same problem as the hardware you initially reported with? Ans: No. 5. What is the distance of the wireless device from the WAP? Ans: 6 metre 6. What is the number and type of obstructions between your device and the WAP? Ans: 2 6a. If you bring the device close to the WAP and eliminate obstructions, does this change anything? Ans: No 7. Does the issue occur with different WAPs? Ans: Yes 8. Is it a regression (i.e. did the problem happen in a prior Ubuntu release)? If so, what release specifically did it last work with? If you do not know, could you please test for this in the earliest release of Ubuntu that is supported as per Ubuntu Releases? Ans: I don't know if it is a regression and I cannot test for this in another release of Ubuntu. 9. Does this problem occur in the newest mainline kernel following https://wiki.ubuntu.com/Kernel/MainlineBuilds? Please mention what specific version of the mainline kernel you tested with in your report. Ans: Kernel version: 5.11.0-25-generic ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: linux-image-5.11.0-25-generic 5.11.0-25.27 ProcVersionSignature: Ubuntu 5.11.0-25.27-generic 5.11.22 Uname: Linux 5.11.0-25-generic x86_64 ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC1: soumadeepsarkar1 1797 F pulseaudio /dev/snd/controlC0: soumadeepsarkar1 179
