** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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Title:
[Regression] Colour banding appears on L
Public bug reported:
The problem affects the integrated display on a Lenovo B50-80 notebook.
Colour banding is visible everywhere on the system, as dithering seems
not to be enabled. This issue was not present on non-HWE Ubuntu 16.04,
and it showed up after upgrading to Ubuntu 18.04. There was al
** Attachment added: "lspci-vnvn.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1788308/+attachment/5178919/+files/lspci-vnvn.log
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** Attachment added: "edid.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1788308/+attachment/5178917/+files/edid.txt
** Attachment removed: "edid-decoded.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1788308/+attachment/5178901/+files/edid-decoded.txt
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** Attachment added: "edid-decoded.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1788308/+attachment/5178918/+files/edid-decoded.txt
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** Attachment added: "version.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1788308/+attachment/5178920/+files/version.log
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** Description changed:
The problem affects the integrated display on a Lenovo B50-80 notebook.
Colour banding is visible everywhere on the system, as dithering seems
- not to be enabled. This issue was not present on non-HWE Ubuntu 16.04,
- and it showed up after upgrading to Ubuntu 18.04.
Hello Joseph,
Thank you for your response. Unfortunately, installing and running the
latest upstream kernel, version 4.18.4-041804.201808220230, did not
solve my problem - the banding is still clearly visible, so I added an
appropriate tag.
** Tags added: kernel-bug-exists-upstream
** Changed in
It worked like a charm - there is no more banding issue. Thank you very
much, Kai-Heng! Should this fix be checked on other versions of Ubuntu,
just let me know.
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** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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Title:
[Regression] Colour banding appears on L
** Tags added: verification-done-cosmic
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Title:
[Regression] Colour banding appears on Lenovo B50-80 integrated
display
Status in
I am experiencing the freeze regularly since I attached an external
display through HDMI.
Dell Inc. Inspiron 5558/086DKN, BIOS A18 12/30/2019
Ubuntu 18.04.4
Freeze happens on kernels:
4.15.0-91
4.15.0-34
I didn't try other versions.
I tried the ahci.mobile_lpm_policy={0,1} setting (#58) - with b
UPDATE: freezes stopped occuring since I uninstalled xserver-xorg-video-
intel.
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Title:
Random unrecoverable freezes on Ubuntu 18.10
Public bug reported:
With this message the only way to resume work is to reboot the system
using power button.
With kernel linux-image-5.3.0-13-generic everything is OK.
Problem appeared afer upgrade to linux-image-5.3.0-17-generic and still happens
in linux-image-5.3.0-18-generic.
ProblemType:
Correction - when I boot 5.3.0-13 no Nvidia proprietary driver is
loaded. That's why the bug does not appear here.
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Title:
'gpu has
Wrong package.
Bug is caused by nvidia dkms driver patch created to solve another bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1836630
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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Patch "do-not-call-pci_save_state.patch" that removes line
"pci_save_state(nvl->pci_dev);" causes error 'gpu has fallen off the
bus' after return from suspend.
DistroRelease: Ubuntu 19.10
Uname: Linux 5.3.0-18-generic x86_64
dmi.bios.date: 05/30/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: GNET
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1836630/+attachment/5296869/+files/Lspci.txt
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435.21-0ubuntu2 from official eoan repository.
When this patch is removed from dkms.conf, after recompiling driver and
updating initramfs suspend/resume works as expected.
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h
Attached dmesg log shows S3 suspend and resume cycle on my machine with
pci_save_state() enabled. From my point of view it looks pretty normal
and fully supported.
** Attachment added: "dmesg-s3-cycle.txt"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-430/+bug/1836630/+atta
If this is not a problem for you, I would ask for binaries.
Both threads contain different versions of patches and I don't know if I
should take exactly that ones from the messages you are linking to or
the last available.
Thanks in advance!
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Thank you. I just finished testing all three variants and none of them
solve the problem.
This time I used second computer to login via SSH and grab dmesg logs.
Problematic part always begins with this line:
nvidia :01:00.0: Refused to change power state, currently in D3
** Attachment added:
** Attachment added: "dmesg-patch-2.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1847937/+attachment/5298624/+files/dmesg-patch-2.txt
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** Attachment added: "dmesg-patch-1+2.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1847937/+attachment/5298625/+files/dmesg-patch-1+2.txt
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Unfortunately, nothing has changed.
As for now only calling pci_save_state() makes system usable on return from S3.
** Attachment added: "Screenshot_20191022_202229.png"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1847937/+attachment/5299257/+files/Screenshot_20191022_202229.png
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195919/+files/CurrentDmesg.txt
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apport information
** Description changed:
Pressing vol up/vol down show OSD change up/down but volume all time is
at 100%.
I found temporary fix:
Add section:
[Element Master]
switch = mute
volume = ignore
To:
/usr/share/pulseaudio/alsa-mixer/paths/analog-output.conf.c
apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195918/+files/CRDA.txt
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Ti
apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195923/+files/Lsusb.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195930/+files/UdevDb.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195927/+files/ProcModules.txt
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** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195925/+files/ProcEnviron.txt
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** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195921/+files/IwConfig.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195928/+files/PulseList.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195931/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195929/+files/RfKill.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195926/+files/ProcInterrupts.txt
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** Attachment added: "Dependencies.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195920/+files/Dependencies.txt
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** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195924/+files/ProcCpuinfoMinimal.txt
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** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1775068/+attachment/5195922/+files/Lspci.txt
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Kernel tested.
It's working now!
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Title:
Volume control not working Dell XPS 27 (7760)
Status in linux package in Ubuntu:
Confirm
Default install Xenial 16.04.
Kernel 4.15.0-39-generic (Volume not working, all time at 100%)
Enabled proposed-updates, still kernel 4.15.0-39-generic.
Added 4.4.0-139-generic and 4.4.0-140-generic. On both kernel 4.4.x no sound at
all.
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Hi,
I'm currently on the Cosmic release, but I will install Xenial on
external usb and check this.
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Title:
Volume control not worki
Sorry for no feedback. I've been running Windows 10 to exclude the
possibility of hardware issues. It's been running for over 2 weeks with
no issue. Today I installed kernel 4.11
(vmlinuz-4.11.0-041100rc7-lowlatency). I will continue testing the board
and update when I get anything.
One thing I no
Public bug reported:
I'm using Ubuntu 17.04 on ASRock j4205-ITX with BIOS v1.20. ASRock
states that this platform is supported by Ubuntu 16.10 but after
installation it kept freezing after few minuts. There was no trace of
error in dmesg nor in any log. Not even a crashdump. After installation
of
** Tags added: apollo-lake
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Title:
Ubuntu crashes on Intel j4205 Apollo Lake
Status in linux package in Ubuntu:
Confirmed
Bug de
After setting intel_idle.max_cstate=1 in the grub's parameters the
server hung without any error message.
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Title:
Ubuntu crashes on
Resolved. The problem was faulty motherboard.
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Title:
Ubuntu crashes on Intel j4205 Apollo Lake
Status in linux package in Ubuntu:
Public bug reported:
Shows up after logging in after reboot/start.
ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-31-generic 3.8.0-31.46
ProcVersionSignature: Ubuntu 3.8.0-31.46-generic 3.8.13.8
Uname: Linux 3.8.0-31-generic x86_64
NonfreeKernelModules: fglrx
ApportVe
I confirm that this bug still persists on Ubuntu 13.10.
Installed on ThinkPad T61.
Disabling network workorounds the problem.
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Title:
Public bug reported:
I have found aufs not supporting application performing the following
steps in order to download a .so embedded in the binary. The code does:
1/ open() a temp file, write() contents of .so to the file and close() it
2/ perform dlopen() on the file and dlsym() to find one or m
apport information
** Attachment added: "HookError_generic.txt"
https://bugs.launchpad.net/bugs/1243591/+attachment/3888308/+files/HookError_generic.txt
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** Tags added: apport-collected
** Description changed:
I have found aufs not supporting application performing the following
steps in order to download a .so embedded in the binary. The code does:
1/ open() a temp file, write() contents of .so to the file and close()
apport information
** Attachment added: "HookError_source_linux.txt"
https://bugs.launchpad.net/bugs/1243591/+attachment/3888309/+files/HookError_source_linux.txt
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https:
apport information
** Attachment added: "HookError_ubuntu.txt"
https://bugs.launchpad.net/bugs/1243591/+attachment/3888310/+files/HookError_ubuntu.txt
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
aufs shipped with Ubuntu does not properly handle aufs
I have the same issue. Kubuntu 22.04, after sleep/screen lock my usb-c
-> display port connected monitor goes from 5120x1440 down to 3840x2160.
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I've recently bought the new [2022 Razer Blade 14'' with 3070
Ti](https://mysupport.razer.com/app/answers/detail/a_id/5924/~/at-a-
glance%3A-razer-blade-14-%282022%29-%7C-rz09-0427x).
Unfortunately after installing Ubuntu 22.04 Desktop I've quickly come to
realize that neither WiFi nor BT are work
The prevboot0.txt is current, with WiFi working.
Some of previous boot is after spontanic reboot.
** Attachment added: "prevboot0.txt"
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.19/+bug/2008951/+attachment/5655076/+files/prevboot0.txt
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My Legion do not freze but quite offten resets unexpectedly.
After such reset WiFi is not available.
Also number of errors in succesive boots differs:
wborkowski@w-borkowski-PC:~$ grep "Error" prevboot0.txt | wc -l
38
wborkowski@w-borkowski-PC:~$ grep "Error" prevboot1.txt | wc -l
42
wborkowski@w
This one has max number of errors.
** Attachment added: "prevboot4.txt"
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.19/+bug/2008951/+attachment/5655077/+files/prevboot4.txt
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