* [Qemu-devel] segfault with qemu master and dataplane
@ 2014-07-01 13:41 Christian Borntraeger
2014-07-01 13:42 ` Christian Borntraeger
0 siblings, 1 reply; 2+ messages in thread
From: Christian Borntraeger @ 2014-07-01 13:41 UTC (permalink / raw)
To: Stefan Hajnoczi; +Cc: qemu-devel@nongnu.org
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 (ctx=ctx@entry=0x809a9c10) at /home/cborntra/REPOS/qemu/async.c:81
#3 0x00000000801a835e in aio_poll (ctx=0x809a9c10, blocking=blocking@entry=true) 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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Qemu-devel] segfault with qemu master and dataplane
2014-07-01 13:41 [Qemu-devel] segfault with qemu master and dataplane Christian Borntraeger
@ 2014-07-01 13:42 ` Christian Borntraeger
0 siblings, 0 replies; 2+ messages in thread
From: Christian Borntraeger @ 2014-07-01 13:42 UTC (permalink / raw)
To: Stefan Hajnoczi; +Cc: qemu-devel@nongnu.org
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 (ctx=ctx@entry=0x809a9c10) at /home/cborntra/REPOS/qemu/async.c:81
> #3 0x00000000801a835e in aio_poll (ctx=0x809a9c10, blocking=blocking@entry=true) 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...
^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-07-01 13:41 [Qemu-devel] segfault with qemu master and dataplane Christian Borntraeger
2014-07-01 13:42 ` Christian Borntraeger
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