qemu-kvm-1.1.0 crashing with kernel 3.5.0-rc6

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Hi,

When I run WinXP SP3 through qemu-kvm-1.1.0 on linux kernel 3.5.0-rc6, I get a segmentation fault within 3 or 4 minutes maximum. In dmesg I see:

qemu-kvm: sending ioctl 5326 to a partition!
qemu-kvm: sending ioctl 801c0204 to a partition!
qemu-kvm: sending ioctl 5326 to a partition!
qemu-kvm: sending ioctl 801c0204 to a partition!
qemu-kvm: sending ioctl 5326 to a partition!
qemu-kvm: sending ioctl 801c0204 to a partition!
qemu-kvm: sending ioctl 5326 to a partition!
qemu-kvm: sending ioctl 801c0204 to a partition!
qemu-kvm[860] general protection ip:b6abad77 sp:b52ff09c error:0 in libc-2.16.so[b697d000+1b4000]

The crash does not occur with qemu-kvm-1.0.1 on rc6. Nor does it occur qemu-kvm-1.0.1 or qemu-kvm-1.1.0 on kernel 3.4.4. All three combinations survive for 15 minutes or more

When I try to get a backtrace with gdb, the screen on which konsole and qemu are running locks up until I kill qemu in another console. Consequently I can't get a full BT, but, although probably not very helpful, what I did get is:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb6946b40 (LWP 506)]
0xb7705d77 in __strcmp_sse4_2 () from /lib/libc.so.6
(gdb) bt
#0  0xb7705d77 in __strcmp_sse4_2 () from /lib/libc.so.6
#1  0xb7e8d6e3 in g_str_equal () from /usr/lib/libglib-2.0.so.0
#2  0xb7e8c94c in g_hash_table_lookup () from /usr/lib/libglib-2.0.so.0
Cannot access memory at address 0xb694610c
(gdb)

Note that the gdb and dmesg outputs above are not from the same crash instance.

I'm not subscribed,so please cc me on any reply.

Happy to provide any additional diagnostics (but may need help on how to get them) or test patches, etc

Thanks

Chris Clayton
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