Comment 21 for bug 359447

With kvm 1:84+dfsg-0ubuntu12.1~ppa6 after 3 days:

ad0: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=20875903

Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address = 0xc90ecfad
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc07e1624
stack pointer = 0x28:0xe9e01c30
frame pointer = 0x28:0xe9e01c3c
code segment = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 21 (swi6: task queue)
trap number = 12
panic: page fault
cpuid = 2
Uptime: 3d17h7m41s
Cannot dump. No dump device defined.
Automatic reboot in 15 seconds - press a key on the console to abort
Rebooting...
cpu_reset: Stopping other CPUs