[Xen-users] xen-unstable amd64 troubles

[Thomas Schneider <etomsch@xxxxxxxxxx>]

Hi,

I'm using xen-unstable with all the latest changesets and some domains on 
it on a amd64 machine.
Today my domains crashed with the following output:

Unable to handle kernel paging request at ffff88000e928700 RIP:
<ffffffff803988ca>{netif_poll+1354}
PGD 788067 PUD 789067 PMD 7fe067 PTE 0
Oops: 0002 [1]
CPU 0
Pid: 0, comm: swapper Not tainted 2.6.12.6-xenU-br14
RIP: e030:[<ffffffff803988ca>] <ffffffff803988ca>{netif_poll+1354}
RSP: e02b:ffffffff806d3d98  EFLAGS: 00010212
RAX: ffff88000e928700 RBX: ffff88000e909940 RCX: ffff88000e928058
RDX: ffff88000e928700 RSI: ffff88000e9091c0 RDI: ffff88000e909940
RBP: ffff88000e909940 R08: 0000000000feffff R09: 0000000000000017
R10: ffff88000f312250 R11: 0000000000000001 R12: ffff8800016d4360
R13: ffff88000167c550 R14: 00000000000000c0 R15: 0000000000000000
FS:  0000000000505ae0(0000) GS:ffffffff806c0080(0000) knlGS:ffffffff80600400
CS:  e033 DS: 0000 ES: 0000
Process swapper (pid: 0, threadinfo ffffffff806d2000, task ffffffff8057d500)
Stack: 0000000180117076 0000000200000040 0000000000000002 001e7cab001e7cab
      ffffffff806d3e2c ffff8800016d4000 ffffffff806d3dc8 ffffffff806d3dc8
      ffff880000000000 ffff8800016d4000
Call Trace:<ffffffff803ea348>{net_rx_action+152} 
<ffffffff801325ab>{__do_softirq+107}
      <ffffffff8013264d>{do_softirq+61} <ffffffff80114ea9>{do_IRQ+57}
      <ffffffff8010d948>{evtchn_do_upcall+136} 
<ffffffff80112029>{do_hypervisor_callback+17}
      <ffffffff8010fa53>{xen_idle+83} <ffffffff8010fa53>{xen_idle+83}
      <ffffffff8010fa8f>{cpu_idle+31} <ffffffff806d46ea>{start_kernel+490}
      <ffffffff806d4169>{_sinittext+361}

Code: c7 00 01 00 00 00 48 8b 83 10 01 00 00 c7 40 04 00 00 00 00
RIP <ffffffff803988ca>{netif_poll+1354} RSP <ffffffff806d3d98>
CR2: ffff88000e928700
<0>Kernel panic - not syncing: Aiee, killing interrupt handler!

xm dmesg tells me:

(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input 
to Xen).
(XEN) gnttab_transfer: invalid pfn for mfn=4f27e001
(XEN) gnttab_transfer: invalid pfn for mfn=3f7df001
(XEN) gnttab_transfer: invalid pfn for mfn=3f03b001
(XEN) gnttab_transfer: invalid pfn for mfn=516ca001
(XEN) gnttab_transfer: invalid pfn for mfn=4f306001
(XEN) gnttab_transfer: invalid pfn for mfn=50cf0001
(XEN) gnttab_transfer: invalid pfn for mfn=52305001
(XEN) gnttab_transfer: invalid pfn for mfn=510ce001
(XEN) gnttab_transfer: invalid pfn for mfn=3efc1001
(XEN) gnttab_transfer: invalid pfn for mfn=3efc2001
(XEN) gnttab_transfer: invalid pfn for mfn=3efc3001
(XEN) gnttab_transfer: invalid pfn for mfn=4e74c001
(XEN) gnttab_transfer: invalid pfn for mfn=4e74d001
(XEN) gnttab_transfer: invalid pfn for mfn=4e74e001

except from that there's nothing unusual in any logs/debug-outputs.

Could anyone please explain to me, what could be done here?

Thanks in advance,

Thomas


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