[ kvm-Bugs-2638990 ] Segfault 284

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Bugs item #2638990, was opened at 2009-02-25 17:35
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https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2638990&group_id=180599

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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: David Rasche (drasche2)
Assigned to: Nobody/Anonymous (nobody)
Summary: Segfault 284

Initial Comment:
Host
(2) Intel Xeon (E5430) Quad Core Processors (2.66GHz)
16G mem
Host OS: Ubuntu 8.10 (64bit)
kvm-72
libvirt 0.4.4

Guest OS Win2k3 Server (32 bit)

After running for 8 to 48 hours, Win2k3 guest system crashes with no warning. Syslog shows the following segmentation fault:

Feb 25 16:12:02 host-b kernel: [448190.415857] kvm[25511]: segfault at 284 ip 000000000043
386f sp 00007fff97fa3a70 error 4 in kvm[400000+19e000]

this error has been confirmed on 2 different machines with exactly the same setup.

We are running KVM through libvirt with the following xml setup.

<domain type='kvm'>
  <name>exchange</name>
  <uuid>e8d93082-c1db-426c-9ad3-ae651095ceb5</uuid>
  <memory>4096000</memory>
  <currentMemory>4096000</currentMemory>
  <vcpu>3</vcpu>
  <os>
    <type>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
  </features>
  <clock offset='localtime'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/bin/kvm</emulator>
    <disk type='file' device='disk'>
      <source file='/mnt/vg0/lvol3/exchange.qcow2'/>
      <target dev='hda' bus='ide'/>
    </disk>
    <disk type='block' device='disk'>
      <source dev='/dev/vg1/lv_exchdb'/>
      <target dev='hdb' bus='ide'/>
    </disk>
    <disk type='file' device='cdrom'>
      <target dev='hdc' bus='ide'/>
      <readonly/>
    </disk>
    <disk type='block' device='disk'>
      <source dev='/dev/vg2/lv_exchlog'/>
      <target dev='hdd' bus='ide'/>
    </disk>
    <interface type='bridge'>
      <mac address='00:0c:29:cf:71:e4'/>
      <source bridge='br0'/>
    </interface>
    <input type='tablet' bus='usb'/>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='5900' listen='127.0.0.1'/>
  </devices>
</domain>



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