Public bug reported:
I was running ubuntu 12.10 successfully, but upgraded a couple of days ago to
13.04.
Immediately after upgrading, and on subsequent attempts to boot, the system
would hard freeze during boot-up.
Debugging led me to observe kernel segfaults occurring, caused by the
snd_hda_codec_hdmi kernel module.
I blacklisted this module in /etc/modprobe.d and then my system boots and works
fine.
This seems to be a regression from the old 3.5.0-27-generic kernel to
the current 3.8.0-19-generic kernel in 13.04, and is quite significant.
(People without decent skills would not have been able to get the system
to boot at all after an upgrade)
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-19-generic 3.8.0-19.30
ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: tobyc 2352 F.... pulseaudio
/dev/snd/controlC0: tobyc 2352 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not
found.
Date: Fri May 3 11:43:01 2013
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=67a5852e-05a1-4ac5-b4be-82071df376bf
InstallationDate: Installed on 2011-02-04 (818 days ago)
InstallationMedia: Ubuntu-Server 10.10 "Maverick Meerkat" - Release amd64
(20101007)
MachineType: Supermicro X8SAX
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_AU.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-19-generic
root=/dev/mapper/vg_raid-root ro
RelatedPackageVersions:
linux-restricted-modules-3.8.0-19-generic N/A
linux-backports-modules-3.8.0-19-generic N/A
linux-firmware 1.106
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to raring on 2013-04-30 (2 days ago)
dmi.bios.date: 09/08/10
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2.0
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: X8SAX
dmi.board.vendor: Supermicro
dmi.board.version: 1234567890
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 1234567890
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2.0:bd09/08/10:svnSupermicro:pnX8SAX:pvr1234567890:rvnSupermicro:rnX8SAX:rvr1234567890:cvnSupermicro:ct3:cvr1234567890:
dmi.product.name: X8SAX
dmi.product.version: 1234567890
dmi.sys.vendor: Supermicro
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug raring
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https://bugs.launchpad.net/bugs/1175850
Title:
After upgrade to 13.04, snd_hda_codec_hdmi module causes system crash
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