The following commit has landed in upstream v3.14-rc5:
commit a1227f3c1030e96ebc51d677d2f636268845c5fb
Author: Stanislaw Gruszka <sgrus...@redhat.com>
Date: Wed Feb 19 10:29:01 2014 +0100
usb: ehci: fix deadlock when threadirqs option is used
It has also been cc'd to stable, so it will make it's way into the stable
releases through the usual stable update process.
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https://bugs.launchpad.net/bugs/1279081
Title:
linux freezes with threadirqs parameter when rt73usb is loaded
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
While my usb wifi device is connected, the kernel will freeze while booting.
I can boot into recovery mode, but freeze happens as soon as I enable
networking. I can boot and login fine without the device attached. As soon as I
plug it in, the system freezes.
WORKAROUND: linux-lowlatency with boot parameter:
nothreadirqs
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-lowlatency 3.13.0.8.12
ProcVersionSignature: Ubuntu 3.13.0-8.27-generic 3.13.2
Uname: Linux 3.13.0-8-generic i686
ApportVersion: 2.13.2-0ubuntu2
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: zequence 2598 F.... pulseaudio
/dev/snd/controlC2: zequence 2598 F.... pulseaudio
/dev/snd/controlC0: zequence 2598 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory: 'iw'
CurrentDesktop: GNOME
Date: Tue Feb 11 22:02:39 2014
HibernationDevice: RESUME=UUID=ede81b37-17df-4f30-a234-1f1fb7f003ad
MachineType: Gigabyte Technology Co., Ltd. 965P-DS4
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-8-generic
root=UUID=7e51aea4-9325-401e-b318-bbf42e368c45 ro quiet splash
RelatedPackageVersions:
linux-restricted-modules-3.13.0-8-generic N/A
linux-backports-modules-3.13.0-8-generic N/A
linux-firmware 1.124
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2013-10-11 (123 days ago)
dmi.bios.date: 06/25/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F12
dmi.board.name: 965P-DS4
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF12:bd06/25/2009:svnGigabyteTechnologyCo.,Ltd.:pn965P-DS4:pvr:rvnGigabyteTechnologyCo.,Ltd.:rn965P-DS4:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: 965P-DS4
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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