Current tinderbox regression (runtime, x11perf)

Chris Ball cjb at laptop.org
Tue May 18 15:58:28 PDT 2010


Hi,

   > The hang is 100% reproducible.  I haven't tried reverting to
   > check that the hang disappears (to rule out e.g. a new hardware
   > fault), but that's probably a good sanity-check for me to do
   > soon.

I got a serial port hooked up to the machine.  Here's the last thing
we see on the kernel console and in the Xorg log:

[drm:radeon_fence_wait] *ERROR* fence(df3689b0:0x0000A1A5) 552ms timeout
[drm:radeon_fence_wait] *ERROR* last signaled fence(0x0000A1A5)
[drm:radeon_fence_wait] *ERROR* fence(df368d70:0x0000A1AE) 505ms timeout going to reset GPU
[drm] RB2D reset succeed (RBBM_STATUS=0x8007C100)
[drm] CP reset succeed (RBBM_STATUS=0x8006C100)
[drm] radeon: cp idle (0x00008080)
[drm] radeon: ring at 0x00000000C0000000
[drm] ring test succeeded in 2 usecs
[drm] GPU reset succeed (RBBM_STATUS=0x00000140)
[drm:radeon_fence_wait] *ERROR* fence(df368d70:0x0000A1AE) 556ms timeout
[drm:radeon_fence_wait] *ERROR* last signaled fence(0x0000A1AE)
[drm:radeon_fence_wait] *ERROR* fence(df368730:0x0000BD1E) 516ms timeout
[drm:radeon_fence_wait] *ERROR* last signaled fence(0x0000BD1E)
[drm:radeon_fence_wait] *ERROR* fence(df3689b0:0x0000BD24) 506ms timeout going to reset GPU
[drm] RB2D reset succeed (RBBM_STATUS=0x8007C100)
[drm] CP reset succeed (RBBM_STATUS=0x8002C100)
[drm] radeon: cp idle (0x00008080)
radeon: wait for empty RBBM fifo failed ! Bad things might happen.
Failed to wait GUI idle while programming pipes. Bad things might happen.
[drm] radeon: ring at 0x00000000C0000000

<machine hung>

- Chris.
-- 
Chris Ball   <cjb at laptop.org>
One Laptop Per Child



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