System freezes with radeon DRM driver since kernel 3.6

[Alex Deucher]

On Thu, Dec 20, 2012 at 5:09 AM, Stephan Seitz
<stse+dri at fsing.rootsland.net> wrote:
> Hi!
>
> filename: /lib/modules/3.7.0-Dom0/kernel/drivers/gpu/drm/radeon/radeon.ko
>
> hardware:
> 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI
> RV730XT [Radeon HD 4670] (prog-if 00 [VGA controller])
>         Subsystem: Hightech Information System Ltd. Device 2003
>         Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR- FastB2B- DisINTx-
>         Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>         Latency: 0, Cache Line Size: 32 bytes
>         Interrupt: pin A routed to IRQ 11
>         Region 0: Memory at d0000000 (64-bit, prefetchable) [size=256M]
>         Region 2: Memory at e5000000 (64-bit, non-prefetchable) [size=64K]
>         Region 4: I/O ports at b000 [size=256]
>         [virtual] Expansion ROM at e4000000 [disabled] [size=128K]
>         Capabilities: <access denied>
>
> 01:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI RV710/730 HDMI
> Audio [Radeon HD 4000 series]
>         Subsystem: Hightech Information System Ltd. Device aa38
>         Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR- FastB2B- DisINTx+
>         Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>         Latency: 0, Cache Line Size: 32 bytes
>         Interrupt: pin B routed to IRQ 63
>         Region 0: Memory at e5010000 (64-bit, non-prefetchable) [size=16K]
>         Capabilities: <access denied>
>         Kernel driver in use: snd_hda_intel
>
> My system is debian testing with self-made kernels. The system is working as
> Dom0 under Xen 4.1.
>
> Since kernel 3.6 the drm radeon driver freezes the system after some time.
> This time can be 10 minutes or some hours. Since the system is completely
> frozen I don’t know if there are error messages displayed, but the log
> contains nothing. Simply pressing the reset switch won’t reset the graphic
> card (no output), I have to switch off the system to get the card working
> again.

Did you also change the userspace drivers (mesa, xf86-video-ati)?  If
you only changed the kernel version, can you bisect?  If you updated
multiple components, can you sort out which one caused the issue?

Alex