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Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll()
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll() |
Date: |
Tue, 22 Jan 2013 03:38:27 -0500 (EST) |
> > > If I reset/suspend/resume/ the VM during a backup job run I get:
> > >
> > > block.c:1221: bdrv_drain_all: Assertion
> > > `((&bs->tracked_requests)->lh_first
> > == ((void *)0))' failed.
> > > Aborted
> > >
> > > I am not 100% sure, but I think a simple qemu_aio_wait() is not
> > > enough
> > > to ensure that a copy-on-write action has finished.
> >
> > Are you using timers in any way?
>
> Yes, I call co_sleep_ns(rt_clock, delay) to limit rate to output
> stream.
Use block_job_sleep_ns instead, and only call it when no I/O
is pending.
Paolo
- [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Kevin Wolf, 2013/01/16
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Paolo Bonzini, 2013/01/16
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Dietmar Maurer, 2013/01/22
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Paolo Bonzini, 2013/01/22
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Dietmar Maurer, 2013/01/22
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(),
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Dietmar Maurer, 2013/01/22
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Dietmar Maurer, 2013/01/23
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Paolo Bonzini, 2013/01/23
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Dietmar Maurer, 2013/01/23
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Paolo Bonzini, 2013/01/23
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Dietmar Maurer, 2013/01/23
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Dietmar Maurer, 2013/01/24
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Paolo Bonzini, 2013/01/24
- Re: [Qemu-devel] [PATCH] aio-posix: Fix return value of aio_poll(), Dietmar Maurer, 2013/01/24