Re: [Qemu-devel] segfault with qemu master and dataplane

[Christian Borntraeger]

On 01/07/14 15:41, Christian Borntraeger wrote:
> Stefan,
> with current qemu master (without your latest patch request, but it does not 
> make a difference) I get:
> ...
> Program terminated with signal 11, Segmentation fault.
> #0  0x000000008006b01e in virtio_blk_rw_complete (opaque=0x80a68980, 
> ret=<optimized out>) at /home/cborntra/REPOS/qemu/hw/block/virtio-blk.c:99
> 99        bdrv_acct_done(req->dev->bs, &req->acct);
> (gdb) bt -a
> #0  0x000000008006b01e in virtio_blk_rw_complete (opaque=0x80a68980, 
> ret=<optimized out>) at /home/cborntra/REPOS/qemu/hw/block/virtio-blk.c:99
> #1  0x000000008019e614 in bdrv_co_em_bh (opaque=0x80a692c0) at 
> /home/cborntra/REPOS/qemu/block.c:4675
> #2  0x0000000080195e50 in aio_bh_poll (address@hidden) at 
> /home/cborntra/REPOS/qemu/async.c:81
> #3  0x00000000801a835e in aio_poll (ctx=0x809a9c10, address@hidden) at 
> /home/cborntra/REPOS/qemu/aio-posix.c:188
> #4  0x00000000800b6e20 in iothread_run (opaque=0x809a9ab8) at 
> /home/cborntra/REPOS/qemu/iothread.c:41
> #5  0x000003fffd35a412 in start_thread () from /lib64/libpthread.so.0
> #6  0x000003fffbfe00ae in thread_start () from /lib64/libc.so.6
> (gdb) print req->dev 
> $1 = (VirtIOBlock *) 0x0
> 
> any idea?
> 
> Christian
> 

Ok. Just saw the other mail...