EQ overflowing. The server is probably stuck in an infinite loop.

[Andriy Gapon]

on 27/03/2009 19:36 Robert Noland said the following:
> On Fri, 2009-03-27 at 10:31 +0200, Andriy Gapon wrote:
>> Rather infrequently but still regularly I get a strange problem with X
>> server. It doesn't redraw screen, it doesn't take keyboard input, I can
>> only very slowly move (hw) mouse pointer on the screen, but the clicks
>> do not go through. I can't switch to console VT, but I can shutdown the
>> system using power button. During shutdown the system reports a stuck
>> (unkillable) process.
>>
>> This is what I found in Xorg.0.log.old after reboot after all the
>> "normal" messages.
>>
>> Changing OV0_BASE_ADDR from 0xd8000000 to 0xdd400000
> 
> So, this is an offset into the framebuffer for overlay video.  I'm not
> sure if it is related or not.  Is video a trigger for the issue?

No, I was just browsing when this happened.

>> [mi] EQ overflowing. The server is probably stuck in an infinite loop.
>> [mi] mieqEnequeue: out-of-order valuator event; dropping.
>> [mi] EQ overflowing. The server is probably stuck in an infinite loop.
>> [mi] mieqEnequeue: out-of-order valuator event; dropping.
>> [... ad infinitum...]
> 
> This generally means that we have crashed the GPU and it is no longer
> processing the command stream.  You might want to update the ati driver
> to 6.12.1 and see if that helps.  It should be safe to update only that
> driver if you like.

OK, I have now updated the driver.


>> Because there are no timestamps I am not sure when "Changing
>> OV0_BASE_ADDR" message happened relative to the "[mi]" messages.
>>
>> Environment:
>> stable/7 i386 r189898
>> xorg-server-1.5.3_5,1
>> xf86-video-ati-6.11.0
>> RADEON(0): Chipset: "ATI Radeon 9250 5960 (AGP)" (ChipID = 0x5960)
>>
>> I can provide full xorg.conf, Xorg.0.log and any other info that might
>> be relevant.
>>


-- 
Andriy Gapon