** Changed in: linux (Ubuntu Trusty)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/837076
Title:
8086:422b [Samsung NP900X3A-A01AU] Intel Centrino Ultimate-N 6300 AGN
and packet loss using WiFi-N
Status in The Linux Kernel:
New
Status in “linux” package in Ubuntu:
Confirmed
Status in “linux” source package in Saucy:
Confirmed
Status in “linux” source package in Trusty:
Confirmed
Bug description:
I have recently swapped the internal WiFi adapter with an Ultimate-N 6300 and
I'm seeing a lot of packet loss. Some additional info is as follows:
wlan1 IEEE 802.11abgn ESSID:"star-local"
Mode:Managed Frequency:2.412 GHz Access Point: 00:22:75:29:EC:61
Bit Rate=121.5 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=49/70 Signal level=-61 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:205 Invalid misc:5 Missed beacon:0
$ ping -c 20 192.168.2.1
PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data.
64 bytes from 192.168.2.1: icmp_req=1 ttl=64 time=3.83 ms
64 bytes from 192.168.2.1: icmp_req=2 ttl=64 time=2.56 ms
64 bytes from 192.168.2.1: icmp_req=3 ttl=64 time=2.59 ms
64 bytes from 192.168.2.1: icmp_req=4 ttl=64 time=2.57 ms
64 bytes from 192.168.2.1: icmp_req=5 ttl=64 time=3.23 ms
64 bytes from 192.168.2.1: icmp_req=6 ttl=64 time=3.13 ms
64 bytes from 192.168.2.1: icmp_req=7 ttl=64 time=4.04 ms
64 bytes from 192.168.2.1: icmp_req=11 ttl=64 time=3.89 ms
64 bytes from 192.168.2.1: icmp_req=12 ttl=64 time=3.80 ms
64 bytes from 192.168.2.1: icmp_req=13 ttl=64 time=82.4 ms
64 bytes from 192.168.2.1: icmp_req=14 ttl=64 time=105 ms
64 bytes from 192.168.2.1: icmp_req=15 ttl=64 time=2.57 ms
64 bytes from 192.168.2.1: icmp_req=16 ttl=64 time=2.97 ms
64 bytes from 192.168.2.1: icmp_req=17 ttl=64 time=2.57 ms
64 bytes from 192.168.2.1: icmp_req=18 ttl=64 time=2.57 ms
64 bytes from 192.168.2.1: icmp_req=19 ttl=64 time=3.94 ms
64 bytes from 192.168.2.1: icmp_req=20 ttl=64 time=3.51 ms
--- 192.168.2.1 ping statistics ---
20 packets transmitted, 17 received, 15% packet loss, time 19028ms
rtt min/avg/max/mdev = 2.567/13.879/105.633/29.547 ms
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/837076/+attachment/3929375/+files/log
WORKAROUND: Remove and reload the module with "11n_disable=1".
wlan1 IEEE 802.11abg ESSID:"star-local"
Mode:Managed Frequency:2.412 GHz Access Point: 00:22:75:29:EC:61
Bit Rate=54 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=49/70 Signal level=-61 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:32 Missed beacon:0
$ ping -c 20 192.168.2.1
PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data.
64 bytes from 192.168.2.1: icmp_req=1 ttl=64 time=1.82 ms
64 bytes from 192.168.2.1: icmp_req=2 ttl=64 time=1.17 ms
64 bytes from 192.168.2.1: icmp_req=3 ttl=64 time=1.80 ms
64 bytes from 192.168.2.1: icmp_req=4 ttl=64 time=0.650 ms
64 bytes from 192.168.2.1: icmp_req=5 ttl=64 time=1.52 ms
64 bytes from 192.168.2.1: icmp_req=6 ttl=64 time=2.29 ms
64 bytes from 192.168.2.1: icmp_req=7 ttl=64 time=1.29 ms
64 bytes from 192.168.2.1: icmp_req=8 ttl=64 time=1.65 ms
64 bytes from 192.168.2.1: icmp_req=9 ttl=64 time=1.70 ms
64 bytes from 192.168.2.1: icmp_req=10 ttl=64 time=1.06 ms
64 bytes from 192.168.2.1: icmp_req=11 ttl=64 time=1.52 ms
64 bytes from 192.168.2.1: icmp_req=12 ttl=64 time=1.49 ms
64 bytes from 192.168.2.1: icmp_req=13 ttl=64 time=1.89 ms
64 bytes from 192.168.2.1: icmp_req=14 ttl=64 time=1.46 ms
64 bytes from 192.168.2.1: icmp_req=15 ttl=64 time=1.41 ms
64 bytes from 192.168.2.1: icmp_req=16 ttl=64 time=1.28 ms
64 bytes from 192.168.2.1: icmp_req=17 ttl=64 time=1.40 ms
64 bytes from 192.168.2.1: icmp_req=18 ttl=64 time=0.946 ms
64 bytes from 192.168.2.1: icmp_req=19 ttl=64 time=1.32 ms
64 bytes from 192.168.2.1: icmp_req=20 ttl=64 time=1.32 ms
--- 192.168.2.1 ping statistics ---
20 packets transmitted, 20 received, 0% packet loss, time 19026ms
rtt min/avg/max/mdev = 0.650/1.453/2.291/0.356 ms
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-9-generic 3.0.0-9.14
ProcVersionSignature: Ubuntu 3.0.0-9.14-generic 3.0.3
Uname: Linux 3.0.0-9-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: hloeung 2208 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xc0700000 irq 48'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0269,144dc098,00100100
HDA:80862805,80860101,00100000'
Controls : 18
Simple ctrls : 10
Date: Tue Aug 30 09:21:33 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 90X3A
ProcEnviron:
LANGUAGE=en_AU:en_GB:en
PATH=(custom, no user)
LANG=en_AU.UTF-8
LC_MESSAGES=en_AU.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-9-generic
root=UUID=b4df4065-2b5c-4a10-9c50-4d01d05d09c3 ro elevator=deadline apparmor=0
quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.0.0-9-generic N/A
linux-backports-modules-3.0.0-9-generic N/A
linux-firmware 1.60
RfKill:
7: phy7: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: Upgraded to oneiric on 2011-08-08 (21 days ago)
dmi.bios.date: 03/08/2011
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 04HL
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 90X3A
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: FAB1
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvr04HL:bd03/08/2011:svnSAMSUNGELECTRONICSCO.,LTD.:pn90X3A:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn90X3A:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
dmi.product.name: 90X3A
dmi.product.version: 0.1
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
---
ApportVersion: 2.12.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: hloeung 1724 F.... pulseaudio
DistroRelease: Ubuntu 13.10
Lsusb:
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: SAMSUNG ELECTRONICS CO., LTD. 90X3A
MarkForUpload: True
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-7-generic
root=UUID=b4df4065-2b5c-4a10-9c50-4d01d05d09c3 ro quiet splash elevator=noop
apparmor=0 pcie_aspm=force i915.i915_enable_rc6=7 i915.i915_enable_fbc=1
i915.lvds_downclock=1 drm.vblankoffdelay=1 intel_pstate=enable zswap.enabled=1
vt.handoff=7
ProcVersionSignature: Ubuntu 3.11.0-7.13-generic 3.11.0
RelatedPackageVersions:
linux-restricted-modules-3.11.0-7-generic N/A
linux-backports-modules-3.11.0-7-generic N/A
linux-firmware 1.113
StagingDrivers: zram
Tags: saucy staging
Uname: Linux 3.11.0-7-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin audio cdrom dialout libvirtd lpadmin netdev plugdev
sambashare users video
dmi.bios.date: 03/08/2011
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 04HL
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 90X3A
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: FAB1
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvr04HL:bd03/08/2011:svnSAMSUNGELECTRONICSCO.,LTD.:pn90X3A:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn90X3A:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
dmi.product.name: 90X3A
dmi.product.version: 0.1
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
---
ApportVersion: 2.12.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: hloeung 1724 F.... pulseaudio
DistroRelease: Ubuntu 13.10
Lsusb:
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: SAMSUNG ELECTRONICS CO., LTD. 90X3A
MarkForUpload: True
Package: linux
PackageArchitecture: amd64
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-7-generic
root=UUID=b4df4065-2b5c-4a10-9c50-4d01d05d09c3 ro quiet splash elevator=noop
apparmor=0 pcie_aspm=force i915.i915_enable_rc6=7 i915.i915_enable_fbc=1
i915.lvds_downclock=1 drm.vblankoffdelay=1 intel_pstate=enable zswap.enabled=1
vt.handoff=7
ProcVersionSignature: Ubuntu 3.11.0-7.13-generic 3.11.0
RelatedPackageVersions:
linux-restricted-modules-3.11.0-7-generic N/A
linux-backports-modules-3.11.0-7-generic N/A
linux-firmware 1.113
StagingDrivers: zram
Tags: saucy staging
Uname: Linux 3.11.0-7-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin audio cdrom dialout libvirtd lpadmin netdev plugdev
sambashare users video
dmi.bios.date: 03/08/2011
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 04HL
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 90X3A
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: FAB1
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvr04HL:bd03/08/2011:svnSAMSUNGELECTRONICSCO.,LTD.:pn90X3A:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn90X3A:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
dmi.product.name: 90X3A
dmi.product.version: 0.1
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
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