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[Xen-bugs] [Bug 250] New: domU oops


           Summary: domU oops
           Product: Xen
           Version: unstable
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: tedkaz@xxxxxxxxxxxxx

xen_changeset: Wed Sep 21 18:41:34 2005 +0100 a32ee93b3b33

This is happening consistently, had 7 domU running for an extended period,
roughly 8 hours, issued an xm shutdown to bring the domU down, lowered the
memory on it from 512 to 191, got the same oops three consecutive times. Tried
changing vcpus from 2 to 1, no change, for kicks 
changed cpu = -1 to cpu = 1, stills oops.
*   Bringing up eth0
Oops: 0000 [#1]
Modules linked in:
CPU:    0
EIP:    0061:[<c01064aa>]    Not tainted VLI
EFLAGS: 00010246   (2.6.12-xenU)
EIP is at gnttab_query_foreign_access+0xa/0x20
eax: fbc58000   ebx: 00000000   ecx: 00000000   edx: 0000ffff
esi: 00000002   edi: cbe9d240   ebp: 00000000   esp: c0394f68
ds: 007b   es: 007b   ss: 0069
Process ifconfig (pid: 2351, threadinfo=c0394000 task=cbdbc020)
Stack: c022c5c3 0000ffff c0332fa0 c0394000 cbe9d000 00000000 00000001 00183454
       00000000 cbe9d2bc cbe9d240 cbe9d000 c022cea4 cbe9d000 c048aac0 00000000
       00000000 cb8d5dd4 c01463dd 00000107 cbe9d000 cb8d5dd4 00000107 c0329000
Call Trace:
 [<c022c5c3>] network_tx_buf_gc+0x93/0x2a0
 [<c022cea4>] netif_int+0x34/0x150
 [<c01463dd>] handle_IRQ_event+0x3d/0xb0
 [<c014652c>] __do_IRQ+0xdc/0x150
 [<c010de07>] do_IRQ+0x47/0x70
 [<c0104981>] evtchn_do_upcall+0x91/0xd0
 [<c0109640>] hypervisor_callback+0x2c/0x34
 [<c022ccd2>] network_start_xmit+0x1e2/0x380
 [<c0257b90>] qdisc_restart+0x100/0x2f0
 [<c024895f>] dev_queue_xmit+0x14f/0x390
 [<c022dd4b>] inetdev_notify+0x2b/0x30
 [<c012e63d>] notifier_call_chain+0x2d/0x50
 [<c028f788>] inet_insert_ifa+0xe8/0x180
 [<c02901f9>] devinet_ioctl+0x4a9/0x6a0

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