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From: Eric Blake <eblake@redhat.com>
To: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
	qemu-devel@nongnu.org, qemu-block@nongnu.org
Cc: kwolf@redhat.com, mreitz@redhat.com, jsnow@redhat.com
Subject: Re: [Qemu-devel] [PATCH v2 for 2.10] iotests: fix 185
Date: Wed, 9 Aug 2017 11:04:13 -0500	[thread overview]
Message-ID: <6ecba212-dbd0-e81c-c7ad-50d09d1626e6@redhat.com> (raw)
In-Reply-To: <bbc4083d-7a4c-2d93-d630-831fc0693161@virtuozzo.com>

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On 08/09/2017 10:57 AM, Vladimir Sementsov-Ogievskiy wrote:

>>>> This is because quite happens before first mirror request is done
>>> s/quite/quit/
>>>
>>>> (and, in specified case, even before block-job len field is set).
>>>> To prevent it let's just add a sleep for 0.3 seconds before quite.
>> Here, as well.
>>
>> Maybe:
>>
>> 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 0.3 seconds before quitting.
>>
>>
>>>>        "return"
>>>>    +# If we don't sleep here 'quit' command may be handled before
>>>> +# the first mirror iteration is done
>>>> +sleep 0.5
>> The commit message disagrees with the code (.3 vs. .5) - which one is
>> correct?
>>
> Let it be .5, as I've tested it.

With a correct commit message (maintainer can touch it up),
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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  reply	other threads:[~2017-08-09 16:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-09 15:17 [Qemu-devel] [PATCH v2 for 2.10] iotests: fix 185 Vladimir Sementsov-Ogievskiy
2017-08-09 15:19 ` Vladimir Sementsov-Ogievskiy
2017-08-09 15:41   ` Eric Blake
2017-08-09 15:57     ` Vladimir Sementsov-Ogievskiy
2017-08-09 16:04       ` Eric Blake [this message]
2017-08-11 12:48 ` Kevin Wolf

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