I'm running a 64-bit Fedora 6 install as a guest on a host running
2.6.20-rc4 with the kvm-10 userspace release. The CPU is a Xeon 5160
and I have 6 GB of RAM. The guest is given 512 MB of memory. I left
the guest idle overnight, and the makewhatis cron job seems to have
triggered this:
Unable to handle kernel paging request at ffff81000ba04000 RIP:
[<ffffffff8025f402>] clear_page+0x16/0x44
PGD 8063 PUD 9063 PMD 800000000ba001e3 PTE aad8a7d881d984d9
I just let yum update the guest to the 2.6.18-1.2869.fc6 kernel, but
I'm more suspicious of the MMU changes to kvm...
I don't see anything come up in the host logs when this happens.
Let me know if there is other debugging info that would be helpful.