Commit 8565c3ab authored by Vladimir Sementsov-Ogievskiy's avatar Vladimir Sementsov-Ogievskiy Committed by Kevin Wolf
Browse files

qemu-iotests: fix 185



185 can sometimes produce wrong output like this:

    185 2s ... - output mismatch (see 185.out.bad)
    --- /work/src/qemu/master/tests/qemu-iotests/185.out    2017-07-14 \
        15:14:29.520343805 +0300
    +++ 185.out.bad 2017-08-07 16:51:02.231922900 +0300
    @@ -37,7 +37,7 @@
     {"return": {}}
     {"return": {}}
     {"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, \
         "event": "SHUTDOWN", "data": {"guest": false}}
    -{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, \
        "event": "BLOCK_JOB_CANCELLED", "data": {"device": "disk", \
            "len": 4194304, "offset": 4194304, "speed": 65536, "type": \
                "mirror"}}
    +{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, \
        "event": "BLOCK_JOB_CANCELLED", "data": {"device": "disk", \
            "len": 0, "offset": 0, "speed": 65536, "type": "mirror"}}

     === Start backup job and exit qemu ===

    Failures: 185
    Failed 1 of 1 tests

This is because, under heavy load, the quit can happen before the first
iteration of the mirror request has occurred.  To make sure we've had
time to iterate, let's just add a sleep for 0.5 seconds before quitting.

Signed-off-by: default avatarVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: default avatarEric Blake <eblake@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent 2b218f5d
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+4 −0
Original line number Diff line number Diff line
@@ -156,6 +156,10 @@ _send_qemu_cmd $h \
                      'speed': 65536 } }" \
    "return"

# If we don't sleep here 'quit' command may be handled before
# the first mirror iteration is done
sleep 0.5

_send_qemu_cmd $h "{ 'execute': 'quit' }" "return"
wait=1 _cleanup_qemu