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Re: bdrv_drained_begin deadlock with io-threads
From: |
Dietmar Maurer |
Subject: |
Re: bdrv_drained_begin deadlock with io-threads |
Date: |
Thu, 2 Apr 2020 17:44:37 +0200 (CEST) |
> It does looks more like your case because I now have bs.in_flight == 0
> and the BlockBackend of the scsi-hd device has in_flight == 8.
yes, this looks very familiar.
> Of course, this still doesn't answer why it happens, and I'm not sure if we
> can tell without adding some debug code.
>
> I'm testing on my current block branch with Stefan's fixes on top.
Note: I can trigger it with and without Stefans patches on top
- Re: bdrv_drained_begin deadlock with io-threads, (continued)
- Re: bdrv_drained_begin deadlock with io-threads, Kevin Wolf, 2020/04/02
- Re: bdrv_drained_begin deadlock with io-threads, Kevin Wolf, 2020/04/02
- Re: bdrv_drained_begin deadlock with io-threads, Dietmar Maurer, 2020/04/02
- Re: bdrv_drained_begin deadlock with io-threads, Kevin Wolf, 2020/04/02
- Re: bdrv_drained_begin deadlock with io-threads, Kevin Wolf, 2020/04/02
- Re: bdrv_drained_begin deadlock with io-threads, Thomas Lamprecht, 2020/04/03
- Re: bdrv_drained_begin deadlock with io-threads, Dietmar Maurer, 2020/04/03
- Re: bdrv_drained_begin deadlock with io-threads, Kevin Wolf, 2020/04/03
- Re: bdrv_drained_begin deadlock with io-threads, Dietmar Maurer, 2020/04/03
- Re: bdrv_drained_begin deadlock with io-threads, Kevin Wolf, 2020/04/06
- Re: bdrv_drained_begin deadlock with io-threads,
Dietmar Maurer <=
- Re: bdrv_drained_begin deadlock with io-threads, Kevin Wolf, 2020/04/01
- Re: bdrv_drained_begin deadlock with io-threads, Dietmar Maurer, 2020/04/02