Il 22/01/2013 08:02, Dietmar Maurer ha scritto: >> aio_poll() must return true if any work is still pending, even if it didn't >> make >> > progress, so that qemu_aio_wait() doesn't return too early. >> > The possibility of returning early occasionally lead to a failed assertion >> > in >> > bdrv_drain_all(), when some in-flight request was missed and the function >> > didn't really drain all requests. > I still have problem with bdrv_drain_all() and my backup block job. > 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? Paolo > Any idea how to solve that problem? > > > > > >
