Xen users - Jul 2010 - GPLPV causes "Iomem mapping not permitted ffffffffffffffff"

Hello,

for two weeks I try to track down a problem where a Xen host with Windows domUs
and GPLPV 0.11.0.213 suddenly hangs. During the two weeks I used a xenified
kernel (2.6.31-r14) and the hang seemed to originate from the system (dom0)
being unable to route interrupts anymore.

  Jul  6 18:27:57 virt kernel: aacraid: SCSI bus appears hung
  Jul  6 18:28:02 virt kernel: Calling adapter init
  Jul  6 18:28:41 virt kernel: IRQ 16/aacraid: IRQF_DISABLED is not guaranteed
on shared IRQs
  Jul  6 18:28:41 virt kernel: Acquiring adapter information
  Jul  6 18:28:41 virt kernel: update_interval=30:00 check_interval=86400s
  Jul  6 18:32:05 virt kernel: aacraid: aac_fib_send: first asynchronous command
timed out.
  Jul  6 18:32:05 virt kernel: Usually a result of a PCI interrupt routing
problem;
  Jul  6 18:32:05 virt kernel: update mother board BIOS or consider utilizing
one of
  Jul  6 18:32:05 virt kernel: the SAFE mode kernel options (acpi, apic etc)
  Jul  6 18:32:05 virt kernel: Determine the configuration status

Now I tried a pvops dom0 kernel and suddenly got "grant_table.c:350:d0
Iomem mapping not permitted ffffffffffffffff" log lines instead of crashes
of the whole machine.

Any ideas?

Andreas


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