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| From: | Eric Blake |
| Subject: | Re: [Qemu-stable] [Qemu-devel for-3.1?] [PATCH v2 0/2] mirror dead-lock |
| Date: | Thu, 29 Nov 2018 08:14:11 -0600 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 |
On 11/29/18 4:17 AM, Vladimir Sementsov-Ogievskiy wrote:
Hi all! v2: add fix:) We've faced the following mirror bug: Just run mirror on qcow2 image more than 1G, and qemu is in dead lock.
How long has the bug been present? Based on patch 1 mentioning commit 2e1990b26e5 (in 3.0), I'm guessing that this bug is not a regression specific to 3.1? If so, then maybe we're better off deferring this to 4.0 just relying on qemu-stable (already cc'd); on the other hand, if it is an easy-to-trigger deadlock on something the user is likely to do, can we justify it being severe enough to warrant -rc4?
-- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
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