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segfault with windows XP guest

DISCUSSION Gene Horodecki 2 participants 3 messages Aug 8, 2009 – Aug 10, 2009 1 message not in the archive KVM

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Hi there, I currently have about five guests set up with KVM, one of them being windows XP. I am having trouble with the windows XP one. It will works for a bit and then the process dies with the following in the kern.log:

kvm[5593]: segfault at 29c ip 00000000004316d8 sp 00007fff0766bed0 error 4 in kvm[400000+1e0000]

Once the process dies once, then it keeps happening. The virtual machine will hardly boot now and it just crashes with this error.

No major load on the windows VM, acpi enabled, a single 20Gb raw disk.

Really hoping to get this working, thanks!

#1 lore raw
Quoted 10 lines · Gene Horodecki

Hi there, I currently have about five guests set up with KVM, one of them being windows XP. I am having trouble with the windows XP one. It will works for a bit and then the process dies with the following in the kern.log:

kvm[5593]: segfault at 29c ip 00000000004316d8 sp 00007fff0766bed0 error 4 in kvm[400000+1e0000]

Once the process dies once, then it keeps happening. The virtual machine will hardly boot now and it just crashes with this error.

No major load on the windows VM, acpi enabled, a single 20Gb raw disk.

Really hoping to get this working, thanks!

Please generate a core dump and a stack trace. You may need to ./configure --disable-strip so that debug symbols are retained.

Signature · 1 line
error compiling committee.c: too many arguments to function
#3 lore raw
In reply to a message not in the archive
Quoted 8 lines · Gene Horodecki
Quoted 7 lines · Avi Kivity
Quoted 6 lines · Gene Horodecki

Hi there, I currently have about five guests set up with KVM, one of them being windows XP. I am having trouble with the windows XP one. It will works for a bit and then the process dies with the following in the kern.log:

kvm[5593]: segfault at 29c ip 00000000004316d8 sp 00007fff0766bed0 error 4 in kvm[400000+1e0000]

Once the process dies once, then it keeps happening. The virtual machine will hardly boot now and it just crashes with this error.

Quoted 9 lines
Quoted 7 lines
Quoted 4 lines

No major load on the windows VM, acpi enabled, a single 20Gb raw disk.

Really hoping to get this working, thanks!

Please generate a core dump and a stack trace. You may need to ./configure --disable-strip so that debug symbols are retained.

Can someone please link me to instructions on how to do this? Thanks.

On the command line, do

  $ ulimit -c unlimited

then run your guest (from the command line). When it segfaults it will say "core dumped". Look for a file named core (or core.$PID), and run

  $ gdb /path/to/qemu-system-x86_64 /path/to/core/file
  (gdb) bt full

and post the results.

Signature · 1 line
error compiling committee.c: too many arguments to function