[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Bug#575965: xserver-xorg-video-intel: Random complete freezes of whole system



On Tue, Feb 22, 2011 at 21:23:17 +0000, Juha Jäykkä wrote:

> > Sound like different issues then.  If I understand correctly, the
> > "freezes" that still happen resolve themselves after some time?
> 
> Yes. Usually just shy of a minute, sometimes over five. Load has shot up to 
> >>50 during that time, so there is certainly some io wait involved.
> 
> > X is involved in the vt switch (when you press C-A-F1, X gets SIGUSR1,
> 
> This was new to me. Perhaps I should try chvt, then?
> 
Same process there, afaik.

> > Do you get anything in the X or kernel log when these freezes happen?
> 
> Nothing out of the ordinary, that's why it is so hard to figure out what 
> happens.
> 
> > What if you set /sys/module/drm/parameters/debug to 6?  If the machine
> 
> Done. What am I expecting? I guess these are benign:
> 
> [9402544.148312] [drm:intel_crtc_cursor_set], 
> [9402544.148316] [drm:intel_crtc_cursor_set], cursor off
> [9402550.044010] [drm:intel_gpu_idle_timer], idle timer fired, downclocking
> 
Yeah probably, mainly I'm wondering if there's some clue when the freeze
does happen.

> > is reachable over the network, can you connect over ssh and attach gdb
> > to the X process to get a stack trace?
> 
> I will try to. If it is a longer one, it will be no problem, but on a shorter 
> one I will have to be quick.
> 
Thanks.

Cheers,
Julien



Reply to: