This was NOT happening in precise, and WAS happening with early versions
of trusty. I had a test partition with trusty to check it, prior to
fresh install of trusty. It was clear that this was happening with
trusty from boot. I filed a bug report for trusty, along with upstream
kernels that were checked. The newest upstream kernels did not show
that errors from boot. When trusty was updated some time later, and
this error did not present from boot, I took the opportunity to fresh
install trusty, and use that full time. I reported that the error
seemed to be fixed, and you closed the report. (Bug 1318837 )
(my comment from bug 1318837 follows) :-
have tried many kernels from mainline kernels
kernels from current, up to and including 3.14.0-rc2 exhibit error as described
above.
kernels 3.14.0-rc3 and above DO NOT exhibit error as descibed above.
I have looked at changes log for for 3.14.0-rc3 for obvious changes that may be
implicated, and found following candidate (search on "phy") (this may or may
not be the solution)
Andrew Lunn (3):
drivers: phy: Make NULL a valid phy reference
drivers: phy: Add support for optional phys
ata: sata_mv: Fix probe failures with optional phys
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https://bugs.launchpad.net/bugs/1383555
Title:
1814:0201 ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 0
failed to flush
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Doesn't happen immediately after kernel reboot. Will eventually cause
wireless connection to fail, and cause computer to lock up. Need to
use <ALT-SYSREQ>REISUB to reboot, as all other method frozen. Fills
up logs with above messages many times per minute. Originally
happened with precise pangolin repeatedly from boot, but I did fresh
install of trusty, and now is happening after a while from reboot.
(this particular instance was 1 day or so after reboot)
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 x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: kit284 2730 F.... pulseaudio
/dev/snd/controlC2: kit284 2730 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Oct 21 14:35:46 2014
HibernationDevice: RESUME=UUID=8bc3362d-e136-453f-bb6c-284013a5dd11
InstallationDate: Installed on 2014-10-01 (20 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: CLEVO D900K
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic
root=UUID=7f8ca46f-0efa-4971-b7fc-9b787d5b660f ro quiet splash
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: No upgrade log present (probably fresh install)
dmi.bios.date: 12/06/2005
dmi.bios.vendor: Phoenix
dmi.bios.version: 4.06CJ15
dmi.board.name: D900K
dmi.board.vendor: CLEVO
dmi.board.version: VT8341B
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenix:bvr4.06CJ15:bd12/06/2005:svnCLEVO:pnD900K:pvrVT8341B:rvnCLEVO:rnD900K:rvrVT8341B:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: D900K
dmi.product.version: VT8341B
dmi.sys.vendor: CLEVO
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