On Wed, Jul 11, 2012 at 08:09:42AM +0100, Chris Clayton wrote: > Ping. > > Have I committed a bug-reporting sin in the mail below or is > everyone simply too busy to look at this kvm-related crash? > Since you have good and bad points can you bisect the problem? > On 07/09/12 11:57, Chris Clayton wrote: > >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 > > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
