Re: [PATCH v4 4/6] iotests: 194: test also migration of dirty bitmap

[Vladimir Sementsov-Ogievskiy]

03.06.2020 10:52, Thomas Huth wrote:
> On 22/05/2020 00.06, Vladimir Sementsov-Ogievskiy wrote:
> > Test that dirty bitmap migration works when we deal with mirror.
> >
> > Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> > Reviewed-by: Eric Blake <eblake@redhat.com>
> > ---
> >   tests/qemu-iotests/194     | 14 ++++++++++----
> >   tests/qemu-iotests/194.out |  6 ++++++
> >   2 files changed, 16 insertions(+), 4 deletions(-)
>
>   Hi!
>
> This test broke the iotest in the gitlab CI:
>
>   https://gitlab.com/huth/qemu/-/jobs/578520599#L3780
>
> it works again when I revert this commit.
>
> Could the test be reworked so that it works in CI pipelines, too?
> Otherwise, I think it's best if we disable it in the .gitlab-ci.yml file...
>
>   Thomas

Hi!

from the link you provided:

...

../configure --cc=clang --enable-werror --disable-tcg --audio-drv-list=""

...


194      fail       [06:31:15] [06:31:16]                    output mismatch 
(see 194.out.bad)
--- /builds/huth/qemu/tests/qemu-iotests/194.out        2020-06-03 
06:18:10.000000000 +0000
+++ /builds/huth/qemu/build/tests/qemu-iotests/194.out.bad      2020-06-03 
06:31:16.000000000 +0000
@@ -22,3 +22,4 @@
 Stopping the NBD server on destination...
 {"return": {}}
 [{"busy": false, "count": 0, "granularity": 65536, "name": "bitmap0", "persistent": false, 
"recording": true, "status": "active"}]
+WARNING:qemu.machine:qemu received signal 6: 
/builds/huth/qemu/build/tests/qemu-iotests/../../x86_64-softmmu/qemu-system-x86_64
 -display none -vga none -chardev 
socket,id=mon,path=/tmp/tmp.e9BvOjVl1W/qemudest-15756-monitor.sock -mon 
chardev=mon,mode=control -qtest 
unix:path=/tmp/tmp.e9BvOjVl1W/qemudest-15756-qtest.sock -accel qtest 
-nodefaults -display none -accel qtest -drive 
if=virtio,id=drive0,file=/builds/huth/qemu/build/tests/qemu-iotests/scratch/15756-dest.img,format=raw,cache=writeback,aio=threads
 -incoming unix:/tmp/tmp.e9BvOjVl1W/15756-migration.sock



- Qemu aborted. Not good. Definitely is better to fix it than just exclude the 
test.. I can't reproduce. Could you provide backtrace from coredump?


--
Best regards,
Vladimir