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Message #15777
[Bug 1226728] Status changed to Confirmed
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1226728
Title:
Wifi Driver crashes very ofter on kernel version 3.8.0-x, Dell XPS
Laptop
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
After upgrade to Ubuntu 13.04, I have observed random Wifi Driver
Crashes. The frequency I have observed is about once or twice a day
(10 hrs or usage per day). No particular steps to reprroduce, but the
just random crashes. The issue is seen in both patch 30 and 31 of the
kernel version 3.8.0. Full dmesg logs are attached with the bug.
The below is the stack trace from dmesg
[ 972.637382] [<ffffffff810589bf>] warn_slowpath_common+0x7f/0xc0
[ 972.637389] [<ffffffff81058abc>] warn_slowpath_fmt+0x4c/0x50
[ 972.637408] [<ffffffffa01ea361>] ? iwl_grab_nic_access_silent+0xe1/0x120 [iwlwifi]
[ 972.637424] [<ffffffffa01ea41e>] iwl_grab_nic_access+0x7e/0x90 [iwlwifi]
[ 972.637439] [<ffffffffa01ea8d6>] iwl_write_prph+0x46/0xc0 [iwlwifi]
[ 972.637458] [<ffffffffa01f300a>] iwl_pcie_tx_stop+0x4a/0x140 [iwlwifi]
[ 972.637476] [<ffffffffa01f63cf>] iwl_trans_pcie_stop_device+0xcf/0x460 [iwlwifi]
[ 972.637492] [<ffffffffa039f34d>] iwl_down+0x21d/0x320 [iwldvm]
[ 972.637508] [<ffffffffa03a4775>] iwlagn_mac_stop+0x65/0xd0 [iwldvm]
[ 972.637546] [<ffffffffa02ef561>] ieee80211_stop_device+0x51/0xf0 [mac80211]
[ 972.637575] [<ffffffffa02d9db1>] ieee80211_do_stop+0x2a1/0x650 [mac80211]
[ 972.637585] [<ffffffff815e9391>] ? dev_deactivate_many+0x201/0x250
[ 972.637611] [<ffffffffa02da17a>] ieee80211_stop+0x1a/0x20 [mac80211]
[ 972.637619] [<ffffffff815c63cd>] __dev_close_many+0x7d/0xc0
[ 972.637626] [<ffffffff815c643d>] __dev_close+0x2d/0x40
[ 972.637634] [<ffffffff815cc871>] __dev_change_flags+0xa1/0x180
[ 972.637642] [<ffffffff815cca08>] dev_change_flags+0x28/0x70
[ 972.637650] [<ffffffff815d9320>] do_setlink+0x3a0/0xa40
--- CUT ---
The last kernel version with the issue was not reproduced was 3.5.40.
ProblemType: Bug
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
ApportVersion: 2.9.2-0ubuntu8.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: sharath 2433 F.... pulseaudio
Date: Tue Sep 17 13:09:22 2013
HibernationDevice: RESUME=UUID=a65c7147-fc92-4b66-856c-4cd6489c8e02
InstallationDate: Installed on 2013-01-21 (238 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: Dell Inc. XPS L421X
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-31-generic root=UUID=ccb29335-a20e-4b37-80e4-a4dcd91dec31 ro
RelatedPackageVersions:
linux-restricted-modules-3.8.0-31-generic N/A
linux-backports-modules-3.8.0-31-generic N/A
linux-firmware 1.106
SourcePackage: linux
UpgradeStatus: Upgraded to raring on 2013-08-27 (20 days ago)
dmi.bios.date: 08/27/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A09
dmi.board.name: 09JP1V
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A09
dmi.modalias: dmi:bvnDellInc.:bvrA09:bd08/27/2012:svnDellInc.:pnXPSL421X:pvrA09:rvnDellInc.:rn09JP1V:rvrA00:cvnDellInc.:ct8:cvrA09:
dmi.product.name: XPS L421X
dmi.product.version: A09
dmi.sys.vendor: Dell Inc.
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