Red Hat Bugzilla – Bug 86418
Random oops "Unable to handle kernel paging request"
Last modified: 2007-04-18 12:52:16 EDT
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Description of problem:
I've been getting kernel oops with the message "Unable to handle kernel paging
request at virtual address <address>". This is associated with crashes in X and
gconfd. I'm attaching output from ksymoops. I have run all of Dell's hardware
diagnostic tests (including memory tests) and have found no hardware errors.
Nothing appears in the BIOS "event log" (such as overheating). I've run
memtest86 overnight on this machine and it did not find anything.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Created attachment 90687 [details]
Output of "ksymoops < /var/log/messages" immediately after reboot
Last several oops in output resulted in X crashing, no keyboard input possible
I had an unexplained oops today on a single processor Athlon Thunderbird system
running 2.4.18-27.8.0. I suspect this is related. Before upgrading to
2.4.18-27.8.0 the machine had been running fine for over a month worth of uptime.
Created attachment 90715 [details]
More output from ksymoops
This happened more or less simultaneously with my keyboard freezing. Not sure
if they are related.
Created attachment 90815 [details]
The saga continues...
Definitely happens under load
Dell hardware diagnostic tests aren't very good, try memtest86
http://www.memtest86.com and cpuburn http://users.ev1.net/~redelm/
Been there, done that. I've run memtest86 overnight and cpuburn. Neither turned
up any hardware errors. They might be there. I just couldn't find them. I'm
going to do a fresh install of RH 9 and see if the problem persists.