On 29.11.18 15:14, Eric Blake wrote: > 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?
The test does indeed break on 3.0.0 (and passes on 2.12.0). But mirror just not working from non-trivial qcow2 images? To me, that is a reason to delay the release, even though it is not a regression. Max
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