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[Xen-bugs] [Bug 1261] New: Debian Etch xen domU soft lockups.

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Subject: [Xen-bugs] [Bug 1261] New: Debian Etch xen domU soft lockups.
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Date: Fri, 23 May 2008 08:51:05 -0700
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           Summary: Debian Etch xen domU soft lockups.
           Product: Xen
           Version: unspecified
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: daniel@xxxxxxxxxxxxxxxxx
                CC: daniel@xxxxxxxxxxxxxxxxx


I was wondering if anyone here has come across and found a solution for this
problem/bug im having with Debian etch DomU's running under a Debian etch dom0.

Every so often these softlockup message pasted bellow show up in dmesg,
particularly when high load or IO activity is going on, the kernel doesn't
crash or anything tho and seems to carry on fine.

I have seen heaps of forum and buglist posts about this and similar errors but
no fixes or anything like that.


Error message and other relevant info:

BUG: soft lockup detected on CPU#2!

Call Trace:
<IRQ> [<ffffffff8029faf2>] softlockup_tick+0xdb/0xed
[<ffffffff80267d88>] timer_interrupt+0x38d/0x3db
[<ffffffff80211154>] handle_IRQ_event+0x2d/0x60
[<ffffffff8029fe31>] __do_IRQ+0xa4/0x105
[<ffffffff8028361c>] _local_bh_enable+0x59/0xb3
[<ffffffff80266576>] do_IRQ+0x65/0x73
[<ffffffff8036102b>] evtchn_do_upcall+0x86/0xe0
[<ffffffff8025c5c6>] do_hypervisor_callback+0x1e/0x2c
<EOI> [<ffffffff802063aa>] hypercall_page+0x3aa/0x1000
[<ffffffff802063aa>] hypercall_page+0x3aa/0x1000
[<ffffffff80267304>] raw_safe_halt+0x84/0xa8
[<ffffffff80264579>] xen_idle+0x38/0x4a
[<ffffffff802487eb>] cpu_idle+0x97/0xba

Xen version:
Xen 3.2.1

Linux big 2.6.18-6-xen-amd64 #1 SMP Sun Feb 10 18:02:52 UTC 2008 x86_64

vendor_id    : GenuineIntel
cpu family    : 6
model        : 15
model name    : Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz
stepping    : 11
cpu MHz        : 2404.164

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