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Re: X: display refreshing just stops



Ron Johnson <ron.l.johnson@cox.net> writes:

> On 2010-03-30 00:21, Perttu Muurimäki wrote:
>> Ron Johnson <ron.l.johnson@cox.net> writes:
>>
>>> On 2010-03-27 12:57, Perttu Muurimäki wrote:
>>>> Hi again,
>>>>
>>>> Problem: Screen freezes until I touch any key or move the mouse.
>>> When does the freeze *start*?
>>
>> Sometimes when I'm not typing or moving the mouse. Once per 5 minutes
>> perhaps. Usually when something else is going on - for example typing
>> url and waiting for the browser to render the page just to realize that
>> it has done so several seconds ago but display doesn't show
>> it. Sometimes in the middle of window managers menu creation. I can see
>> the whole menu area but it contains only half of the entries.
>>
>>>>                                                                  For
>>>> minutes I can just stare at Gkrellm and see the clock (and everything
>>>> else) not doing anything. Everything on screen has stopped at whatever
>>>> they were doing at the moment it freezed. However, in the background
>>>> everything works (so the machine itself is alright) since the second I
>>>> touch 'shift' -key the display comes back alive and I see things - that
>>>> were running when display freezed - finished. This happens every few
>>>> minutes. I am developing a shift -hitting habit :|
>>>>
>>>> I'm not sure whether kernel or X is the culprit. Graphics chip is intel
>>>> 845g and the X-driver is xserver-xorg-video-intel. Kernel is
>>>> linux-image-2.6-amd64 2.6.32 and I've tried with kernel mode setting and
>>>> without.
>
> My first guess is xserver-xorg-video-intel, but I've been wrong before.
>

This time You were right :) I found an oldish nvidia card in our "stuff
room" and with that (and xserver-xorg-video-nv) everything seems to work
flawlessly. Now that the culprit is known I can file a decent bug report
against it. Thank You.

>>>> Any ideas would be greatly appreciated.
>>>>
>>> Can you ssh in from a different machine while it's frozen?
>>
>> YES! In fact I've tested this by going two floors down to server room,
>> login there, ssh from there to my workstation, find that everything works and
>> then come back. Nothing on the screen has changed!
>
> When that happens again, I'd run back down to the server room, ssh in
> and tail /var/log/Xorg.0.log and ~/.xsession-errors.
>
> -- 
> "History does not long entrust the care of freedom to the weak
> or the timid."  Dwight Eisenhower

-- 

-- 

Perttu Muurimäki
perttu.muurimaki@iki.fi


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