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Re: [Qemu-stable] [Qemu-devel] [PATCH v2] block/vdi: Add locking for par


From: Stefan Weil
Subject: Re: [Qemu-stable] [Qemu-devel] [PATCH v2] block/vdi: Add locking for parallel requests
Date: Fri, 27 Feb 2015 21:37:27 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.4.0

Am 27.02.2015 um 21:23 schrieb Max Reitz:
On 2015-02-27 at 15:21, Stefan Weil wrote:
Am 27.02.2015 um 19:55 schrieb Max Reitz:
On 2015-02-27 at 13:15, Max Reitz wrote:
On 2015-02-27 at 13:12, Stefan Weil wrote:
Am 27.02.2015 um 19:09 schrieb Max Reitz:
It always fails for me. Do you have an SSD?
On the real machine: yes. On the virtual machine: maybe.

I don't, so maybe that's the issue. But running it in tmpfs doesn't change anything for me, still fails (every time).

And now it doesn't fail any more on my HDD (but still in tmpfs). Great.

How about this test case (which is in line with what Paolo identified is the potential problem)? :-)

Max


No failure with the new one, too.

Hm, have you tried it multiple times?

Max

I tried it only a few times. While running it in a loop I now get failures.

Stefan




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