Ubuntu
linux package

  1. Bug #1058303
  2. Comment #35

Comment 35 for bug 1058303

Revision history for this message
Simon Déziel (sdeziel) wrote : Re: [Bug 1058303] Re: linux-image-3.2.0-31-generic-pae radeon regression

On 12-10-15 03:40 AM, Cosimo wrote:
> @Simon, i'm usibng a Acer Apire One 722 (about video card, lspci says:
> "00:01.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI
> Wrestler [Radeon HD 6290]").
>
> syslog says:
> Oct 14 21:19:16 pangoo kernel: [ 37.914704] [drm:r600_ring_test] *ERROR* radeon: ring test failed (scratch(0x8504)=0xCAFEDEAD)
> Oct 14 21:19:16 pangoo kernel: [ 37.914715] [drm:evergreen_resume] *ERROR* evergreen startup failed on resume
>
> I'm not sure if it replies to ping or ssh, but after the blank screen I
> can hear the login screen sound, so I guess the PC is still working. I
> can experience the blank screen more or less once every two reboot. It
> started after kernel upgrade to 3.2.0-31.
>
> Yesterday I upgraded to -32 but it didn't solve. Now I've setup the
> 3.2.0-30 as default kernel on grub.

That looks like the same bug indeed. You can give a try to the kernel
built by Luis:

http://people.canonical.com/~henrix/lp1058303/v6/

It should fix your problem until an official Ubuntu kernel integrates
the patches.