Description of problem: Himem Kernel crashses Version-Release number of selected component (if applicable): 2.6.25.6-55.fc9.i686 How reproducible: Allow the machine to operate - after a period of time the kernel will crash out Steps to Reproduce: 1. power cycle machine 2. 3. Actual results: See attached Expected results: Stable operation Additional info:
Created attachment 310324 [details] text file from syslog
Created attachment 310325 [details] additional information about the system
Created attachment 310357 [details] another crash
Currently a very frequently reported oops at http://www.kerneloops.org/search.php?search=set_page_address No-one has a clue how this could happen unfortunately. Could you try adding 'Option "NoDri"' to the devices section of your /etc/X11/xorg.conf and going without 3d for a while. That would ack/nack one suspicion people seem to have that it may be related to the DRI changes.
It's not happening at all in the F8 kernel, which is missing those drm patches. Output of the command 'grep kmap *drm*patch' against the kernel source is interesting...
Also i915 is loaded in 142 of those reports...
I have added the following: Section "Device" Identifier "Videocard0" Driver "nv" Option "NoDri" EndSection -Chris
hmm. if you have an add-in card like your nvidia, the 915 drm shouldn't be getting used anyway. (It may still get loaded, but it should be completely unused). Strange.
I just experienced another crash post xorg.conf modifications. I will upload the file now. Let me know if there is any other debug that I should provide. -Chris
Created attachment 310685 [details] /var/log/messages output
hmm. just to completely rule it out, move /lib/modules/2.6.25.6-55.fc9.i686/kernel/drivers/char/drm/i915.ko to your homedir, and reboot. That should prevent it from ever getting loaded. Though it's looking unlikely that it's related, which would be disappointing.
Yup, it was being loaded. Here is the output from lsmod: [root@getman ~]# lsmod Module Size Used by ... i915 84484 0 ... I will move the file and reboot. I'll be sure to let you know what happens. -Chris
Created attachment 310757 [details] Another crash
The attached crash happened after the removal of the i915 module. I am up for any ideas that you might have. -Chris
really clutching at straws now.. boot with agp=off too ?
Before I did your recommendation, I upgraded to the 2.6.25.9-76.fc9.i686 kernel. I ended up with the same crashes. I then passed the agp=off, e.g. (grub.conf): title Fedora (2.6.25.9-76.fc9.i686) root (hd0,0) kernel /vmlinuz-2.6.25.9-76.fc9.i686 ro root=/dev/md1 rhgb quiet agp=off initrd /initrd-2.6.25.9-76.fc9.i686.img The system has remained nice and stable all weekend. I've been pounding on it for a while, and no crashes. Is there anything I can do to assist further? -Chris
ok, that's a very useful data point. I guess it's time to re-review the recent agp changes.
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