Anshul Ranjan, could you please test the latest upstream kernel available from
the very top line at the top of the page (not the daily folder) following
https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional
upstream developers to examine the issue. Once you've tested the upstream
kernel, please comment on which kernel version specifically you tested. If this
bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER
where VERSION-NUMBER is the version number of the kernel you tested exactly
shown as:
kernel-fixed-upstream-3.17
This can be done by clicking on the yellow circle with a black pencil
icon next to the word Tags located at the bottom of the bug description.
If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER
Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.
** Tags removed: bios-outdated-1.34
** Tags added: latest-bios-1.34
** Changed in: linux (Ubuntu)
Importance: Low => High
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Tags added: regression-update
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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/1380276
Title:
WiFi disconnects and unable to discover network until reboot after
upgrading to linux 3.13.0.37
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Yesterday (11 Oct, 2014 9:36 AM IST) my kubuntu was upgraded using muon
package manager with following list of packages
Start-Date: 2014-10-11 09:36:29
Install: linux-image-extra-3.13.0-37-generic:i386 (3.13.0-37.64, automatic),
linux-headers-3.13.0-37:i386 (3.13.0-37.64, automatic),
linux-headers-3.13.0-37-generic:i386 (3.13.0-37.64, automatic),
linux-image-3.13.0-37-generic:i386 (3.13.0-37.64, automatic)
Upgrade: apt:i386 (1.0.1ubuntu2.4.1, 1.0.1ubuntu2.5),
linux-headers-generic-pae:i386 (3.13.0.36.43, 3.13.0.37.44), rsyslog:i386
(7.4.4-1ubuntu2.1, 7.4.4-1ubuntu2.3), libapt-pkg4.12:i386 (1.0.1ubuntu2.4.1,
1.0.1ubuntu2.5), bash:i386 (4.3-7ubuntu1.4, 4.3-7ubuntu1.5),
linux-generic-pae:i386 (3.13.0.36.43, 3.13.0.37.44), linux-generic:i386
(3.13.0.36.43, 3.13.0.37.44), apt-utils:i386 (1.0.1ubuntu2.4.1,
1.0.1ubuntu2.5), libapt-inst1.5:i386 (1.0.1ubuntu2.4.1, 1.0.1ubuntu2.5),
linux-libc-dev:i386 (3.13.0-36.63, 3.13.0-37.64), linux-image-generic:i386
(3.13.0.36.43, 3.13.0.37.44), linux-headers-generic:i386 (3.13.0.36.43,
3.13.0.37.44), google-chrome-stable:i386 (37.0.2062.120-1, 38.0.2125.101-1),
apt-transport-https:i386 (1.0.1ubuntu2.4.1, 1.0.1ubuntu2.5)
End-Date: 2014-10-11 09:41:14
After that on reboot, my WiFi starts - works for 10-15 minutes and then the
computer hangs for a few sec and then WiFi module stops blinking and cannot
detect my network at all. Restarting Wifi hardware switch doesn't help either.
I have to reboot the system and the problem repeats.
My system has been working smoothly for many months so far.
I looked at syslog and found following
Oct 12 16:29:34 milkyWay kernel: [ 579.964628] wlan0: HW problem - can not
stop rx aggregation for 08:86:3b:b5:8a:a8 tid 0
Oct 12 16:29:34 milkyWay kernel: [ 579.964659] iwlwifi 0000:03:00.0: Command
REPLY_ADD_STA failed: FW Error
Oct 12 16:29:34 milkyWay kernel: [ 579.964664] wlan0: HW problem - can not
stop rx aggregation for 08:86:3b:b5:8a:a8 tid 2
Oct 12 16:29:34 milkyWay kernel: [ 579.964670] iwlwifi 0000:03:00.0: Command
REPLY_ADD_STA failed: FW Error
Oct 12 16:29:34 milkyWay kernel: [ 579.964674] wlan0: HW problem - can not
stop rx aggregation for 08:86:3b:b5:8a:a8 tid 6
Oct 12 16:29:41 milkyWay kernel: [ 579.972024] iwlwifi 0000:03:00.0: Failing
on timeout while stopping DMA channel 0 [0x5a5a5a5a]
Oct 12 16:29:41 milkyWay kernel: [ 579.972024] iwlwifi 0000:03:00.0: Failing
on timeout while stopping DMA channel 2 [0x5a5a5a5a]
Oct 12 16:29:41 milkyWay kernel: [ 579.972024] iwlwifi 0000:03:00.0: Failing
on timeout while stopping DMA channel 5 [0x5a5a5a5a]
Oct 12 16:29:41 milkyWay kernel: [ 579.972024] iwlwifi 0000:03:00.0: Failing
on timeout while stopping DMA channel 7 [0x5a5a5a5a]
Oct 12 16:29:41 milkyWay kernel: [ 587.149295] psmouse serio2: GlidePoint at
isa0060/serio2/input0 lost synchronization, throwing 2 bytes away.
Oct 12 16:29:42 milkyWay kernel: [ 588.020526] psmouse serio2: resync
failed, issuing reconnect request
Oct 12 16:29:43 milkyWay wpa_supplicant[1627]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=08:86:3b:b5:8a:a8 reason=4 locally_generated=1
Oct 12 16:29:43 milkyWay kernel: [ 588.901774] ieee80211 phy0: Hardware
restart was requested
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-37-generic 3.13.0-37.64
ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
Uname: Linux 3.13.0-37-generic i686
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: anshul 2076 F.... pulseaudio
anshul 2292 F.... pulseaudio
/dev/snd/pcmC0D0p: anshul 2076 F...m pulseaudio
CurrentDesktop: KDE
Date: Sun Oct 12 17:01:32 2014
HibernationDevice: RESUME=UUID=47f52567-52eb-457c-9601-84416c96c874
InstallationDate: Installed on 2014-02-07 (247 days ago)
InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release i386
(20131016.1)
MachineType: Acer Aspire 5738
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic
root=UUID=ada07864-0e5b-41b3-aa5c-53ee70e42347 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-37-generic N/A
linux-backports-modules-3.13.0-37-generic N/A
linux-firmware 1.127.7
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-04-19 (176 days ago)
dmi.bios.date: 10/23/2009
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.21
dmi.board.name: JV50
dmi.board.vendor: Acer
dmi.board.version: Rev
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenixTechnologiesLTD:bvrV1.21:bd10/23/2009:svnAcer:pnAspire5738:pvr0100:rvnAcer:rnJV50:rvrRev:cvnAcer:ct10:cvrN/A:
dmi.product.name: Aspire 5738
dmi.product.version: 0100
dmi.sys.vendor: Acer
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