Fedora 7 freezes two or three times per day

[kwhiskerz]

On June 18, 2007 12:58:33 Jeffrey Ross wrote:
> > My Fedora 7 system is running well, except for the nasty habit of
> > freezing two or three times per day when I am working.  First: all
> > windows stop responding to the mouse and key board, then soon after, the
> > mouse freezes as well.
> >
> > The only option available then is to press the reset button to reboot
> > the system.
> >
> > There doesn't appear to be any specific application that causes the
> > freeze.  It typically happens when I have a largish number of
> > applications open at once (say: Firefox, Eclipse, Thunderbird, Pidgin,
> > Terminal, Putty), but I could be working in any one of the applications.
> >
> > This problem has been happening since I installed F7 soon after the
> > official release.  So I have seen this behavior with at least three
> > kernels (including the last release a few days ago).
> >
> > My system spec:
> >
> > - CPU: Intel Core 2 Duo e6600
> > - Motherboard: Gigabyte GA-965P-DQ6
> > - Video card: Asus EN7900GS
> > - kernel.x86_64 2.6.21-1.3228
> >
> > All currently available F7 updates installed.
> >
> > Are there any known issues that may be causing this?  If not, should I
> > be reporting it as a bug?
> >
> > Regards,
> > Langdon
>
> Langdon,
>
> I have the same problem, also with F7 on an x86_64 system.  I've tried all
> the development kernels for F7, I also tried the i386 version of F7, and I
> even tried going back to the current FC6 kernel and no luck, the system
> still crashes.  Nothing comes out on the console (using a serial console)
> occasionally I'll get an entry in /var/log/mcelog but they did not
> coincide with the system crash.
>
> This system ran stable as a rock on FC6 and as of last night I went back
> to FC6.  When reinstalling the system I reformatted all the partitions
> except for /home.
>
> The system is an Intel DG965RY motherboard and a Pentium D processor.
>
> Just to make sure something didn't happen to the system between the
> upgrades I ran for 9+ hrs memtest86 v3.3, it found no errors.
>
> Jeff

I have this problem, too. I had assumed it had something to do with either:

-using the experimental 'intel' display driver in xorg.conf;
-using the experimental accel method 'EXA' in xorg.conf; or
-setting the use of transparency and shadows in KDE Control Centre.

Apparently, the problem is another...?