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From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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Date: Tue, 22 Mar 2016 21:00:27 +0300
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Subject: [Qemu-devel] iotest 026 -nocache is broken
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To: qemu-devel <qemu-devel@nongnu.org>
Cc: Kevin Wolf <kwolf@redhat.com>, Max Reitz <mreitz@redhat.com>

Hi all!

Just a notice

for commit (near to master branch top)
commit 3666a97f78704b941c360dc917acb14c8774eca7
Author: Eric Blake <eblake@redhat.com>
Date:   Thu Mar 17 16:48:40 2016 -0600

     qapi: Use anonymous bases in QMP flat unions

./configure --target-list=x86_64-softmmu

...

./check -T -nocache -qcow2 026

gives a lot of
+Failed to flush the L2 table cache: No space left on device
+Failed to flush the refcount block cache: No space left on device

and some other differences.

this affects ./tests/check-block.sh

I've failed to find commit, for which this test was working..

it fails even for the first commit, where 026.out.nocache was introduced:

commit 8f94b077877151de93a63c73f796897309568ddb
Author: Kevin Wolf <kwolf@redhat.com>
Date:   Wed Sep 4 13:16:05 2013 +0200

     qemu-iotests: Fixed test case 026


May be I'm doing something wrong, but I can't imagine what..

-- 
Best regards,
Vladimir