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Re: [Qemu-block] [PATCH v4] iotests: Tweak 030 in order to trigger a rac

From: Max Reitz
Subject: Re: [Qemu-block] [PATCH v4] iotests: Tweak 030 in order to trigger a race condition with parallel jobs
Date: Fri, 9 Mar 2018 13:54:31 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 2018-03-08 08:44, Alberto Garcia wrote:
> On Wed 07 Mar 2018 06:54:51 PM CET, Max Reitz wrote:
>>> v4: Mention that commit 1a63a907507fbbcfaee3f622907ec24 also
>>>     contributes to solve the original bug (both commits need to
>>>     reverted in order to reproduce this bug reliably).
>>>     Rewrite the loop that writes data into the images to make it more
>>>     readable.
>> Thanks!  Applied to my block tree:
>> https://github.com/XanClic/qemu/commits/block
>> (Still took me a couple of attempts to get it to fail both commits
>> reverted, though...)
> Odd, I can reproduce it 100% of the cases. Were you maybe running the
> tests on tmpfs ?

...yes? O:-)


> Anyway, thanks!

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