Re: [Qemu-devel] [PATCH for-2.10] iotests: fix 185

[Eric Blake <eblake@redhat.com>]

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On 08/07/2017 09:16 AM, Vladimir Sementsov-Ogievskiy wrote:
> 185 iotest is broken.
> 
> How to test:
>> i=0; while ./check -qcow2 -nocache 185; do ((i+=1)); echo N = $i; \
>   done; echo N = $i
> 
> finished for me 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"}}

This diff says both 'len' and 'offset' differ...

> 
>  === Start backup job and exit qemu ===
> 
> Failures: 185
> Failed 1 of 1 tests
> N = 8
> 
> It doesn't seems logical to expect the constant offset on cancel,
> so let filter it out.

s/let/let's/

> 
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> ---
>  tests/qemu-iotests/185     | 2 +-
>  tests/qemu-iotests/185.out | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)

> -{"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": 4194304, "offset": OFFSET, "speed": 65536, "type": "mirror"}}

...while this diff only touched 'offset'.  Did you copy-and-paste
incorrectly in the commit message?  If so, then with the commit message
fixed, I'm okay with:
Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org


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