Attempting to track down radeon driver issue(s)?

Lowell Alleman lowell at
Tue May 5 11:51:46 PDT 2009

On Tue, May 5, 2009 at 12:38 PM, Alex Deucher <alexdeucher at> wrote:
> On Tue, May 5, 2009 at 12:28 PM, Lowell Alleman
> <lowell at> wrote:
>> Hello all,
>> I've got my X server stuck in some kind of loop that is using up nearly %100
>> of the CPU.  I have a remote ssh connection and I'm running gdb against it.
>> I've very unfamiar with debugging at this level, but I really want to
>> anything I can to help track down some X issues I'm been hitting.
>> I turned on drm kernel debugging for awhile, and I see this group of errors
>> repeated over and over again:
>> [ 9812.879383] [drm:drm_ioctl] pid=3917, cmd=0x6444, nr=0x44, dev 0xe200,
>> auth=1
>> [ 9812.879388] [drm:radeon_cp_idle]
>> [ 9812.879390] [drm:radeon_do_cp_idle]
>> [ 9813.035795] [drm:radeon_do_wait_for_idle] wait idle failed status :
>> 0x80010140 0x00000000
>> [ 9813.035798] [drm:drm_ioctl] ret = fffffff0
> Your GPU has locked up.  The trick is finding what combination of
> commands and state caused the lockup.
> Alex

So I take it there is no way to get to this information from my
running X server?  (using gdb, or strace, or something like that)?

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