Ubuntu shows grains like screen after the splash from kernel (3.8.0-5)

[Vishnu V]

Before two days ,I updated to kernel 3.8.0-5-generic and restarted my computer, got a tv grains like screen instead of login screen.
Splash is displaying correctly. Yesterday i updated to 3.8.0-6-generic still the same problem, and now kernel is 3.8.0-7-generic. I am reporting this bug using ssh from my friends computer.

I booted into recovery mode without any problem. but when startx is executed, got a blank screen no display

Problem occurred in dell studio 1555.
ubuntu 13.04
No extra drivers are installed

xsession-errors file: http://ubuntuone.com/2TqFEkhZSQUuc2xrQtb5ZJ
boot.log: http://ubuntuone.com/2Wx1Q6qWggpyHSgSwe1UAM
No x org.conf
lshw -c video: http://ubuntuone.com/1qI7IsNRJZ1jHDfRPK1LHz

Photo of my screen http://ubuntuone.com/7EPE7K1gHGvG4Rybhniueq

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-headers-3.8.0-7-generic 3.8.0-7.15
ProcVersionSignature: Ubuntu 3.8.0-7.15-generic 3.8.0
Uname: Linux 3.8.0-7-generic x86_64
ApportVersion: 2.8-0ubuntu4
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D3p', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CRDA:
 country GB:
  (2402 - 2482 @ 40), (N/A, 20)
  (5170 - 5250 @ 40), (N/A, 20)
  (5250 - 5330 @ 40), (N/A, 20), DFS
  (5490 - 5710 @ 40), (N/A, 27), DFS
Date: Tue Feb 26 07:31:02 2013
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=7f3ebf0c-683c-4998-bbbb-95ae31008068
InstallationDate: Installed on 2013-01-19 (37 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130118)
MachineType: Dell Inc. Studio 1555
MarkForUpload: True
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-7-generic root=UUID=4d20bcec-1e72-49ad-8320-0a717c47671b ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-3.8.0-7-generic N/A
 linux-backports-modules-3.8.0-7-generic N/A
 linux-firmware 1.103
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/03/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: 0C234M
dmi.board.vendor: Dell Inc.
dmi.board.version: A07
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A07
dmi.modalias: dmi:bvnDellInc.:bvrA07:bd07/03/2009:svnDellInc.:pnStudio1555:pvrA07:rvnDellInc.:rn0C234M:rvrA07:cvnDellInc.:ct8:cvrA07:
dmi.product.name: Studio 1555
dmi.product.version: A07
dmi.sys.vendor: Dell Inc.

[Brad Figg (brad-figg)]

This change was made by a bot.

[Joseph Salisbury (jsalisbury)]

Was there a Raring kernel prior to 3.8.0-5-generic that did not exhibit this bug?

[Vishnu V (vvishnu-e)]

Ya, kernerl prior to 3.8.0-5-generic does not exhibit this bug.
I used all these kernels 3.8.0-4-generic, 3.8.0-1--generic,3.8.0-0-generic, without any problem

[Joseph Salisbury (jsalisbury)]

It looks like v3.8-rc7 may have introduced this bug. Can you test the following two kernels:

v3.8-rc6: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.8-rc6-raring/
v3.8-rc7: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.8-rc7-raring/

If rc6 is good and rc7 is bad, I can perform a bisect to identify the commit that introduced this regression. One thing to note, you will need to install both the linux-image and linux-image-extras packages.

[Vishnu V (vvishnu-e)]

Both kernels works fine...

[Joseph Salisbury (jsalisbury)]

Can you test the v3.8 final kernel? If it doesn't have the bug, then an Ubuntu SAUCE patch may have introduced the regression:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.8-raring/

If it does have the bug, I can bisect between v3.8-rc7 and v3.8 final.

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]

[Ted (tedks)]

I'm currently testing 3.8 final mainline, but this comment indicates that it works:

https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1173400/comments/7

I can test any bisects as well.

[Ted (tedks)]

I can confirm 3.8.0-030800-generic does not exhibit this bug.

[Joseph Salisbury (jsalisbury)]

Thanks for the update, Ted. Can you confirm the bug still exists in the latest Raring kernel, which is version: 3.8.0-25-generic ? If it does still exists, we can review what commit introduced this regression.

[Ted (tedks)]

This bug doesn't exist in the latest kernel. I hit the bug on upgrade to Raring due to an out-of-date mirror. Marking this as fix released.

[Joseph Salisbury (jsalisbury)]

HI Ted,

Per IRC, I re-opened this bug. Can you test the latest Raring kernel, just to confirm the bug still exists? The kernel can be downloaded from:

https://launchpad.net/~canonical-kernel-team/+archive/ppa/+build/5067397

[Ted (tedks)]

I can successfully boot with this kernel version:

Linux version 3.8.0-32-generic (buildd@lamiak) (gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-1ubuntu1) ) #47-Ubuntu SMP Tue Oct 1 22:35:23 UTC 2013

Is that the right version?

[Joseph Salisbury (jsalisbury)]

Yes, that is the correct version. That is good news, that indicates the latest kernel in -proposed fixes this bug.

If possible, can you enable the -proposed repository on your system and see if this resolves the bug? See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed.

Thank you in advance!

[Ted (tedks)]

With this version, I can seemingly only boot successfully if I force the GRUB menu to appear by failing a boot once, then entering GRUB's 'edit' screen, and pressing F10 from there to boot.

I'm not sure why this could happen, but it seems to be somewhat consistent. Since installing the version from -proposed, I haven't had a successful one-off boot. I admittedly didn't test the version I downloaded directly from launchpad as many times.

My /proc/version and apt policy for linux-image follow:

tedks@anglachel:~$ cat /proc/version
Linux version 3.8.0-32-generic (buildd@lamiak) (gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-1ubuntu1) ) #47-Ubuntu SMP Tue Oct 1 22:35:23 UTC 2013
tedks@anglachel:~$ apt-cache policy linux-image
linux-image:
  Installed: 3.8.0.32.50
  Candidate: 3.8.0.32.50
  Version table:
 *** 3.8.0.32.50 0
        400 http://us.archive.ubuntu.com/ubuntu/ raring-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     3.8.0.31.49 0
        500 http://us.archive.ubuntu.com/ubuntu/ raring-updates/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu/ raring-security/main amd64 Packages
     3.8.0.19.35 0
        500 http://us.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages

[Vishnu V (vvishnu-e)]

The bug is fixed in Ubuntu 13.10 (Linux 3.11.0-12-generic)