On Wed, 03/09 10:10, Paolo Bonzini wrote:
>
>
> On 09/03/2016 09:30, Fam Zheng wrote:
> > > -aio_poll(bdrv_get_aio_context(bs), true);
> > > +if (aio_context_in_iothread(ctx)) {
> > > +/* This case should not occur at all, except for the
> > > + * main
On 09/03/2016 09:30, Fam Zheng wrote:
> > -aio_poll(bdrv_get_aio_context(bs), true);
> > +if (aio_context_in_iothread(ctx)) {
> > +/* This case should not occur at all, except for the
> > + * main thread.
> > + */
>
> Maybe assert ctx ==
On Tue, 02/16 18:56, Paolo Bonzini wrote:
> aio_poll is not thread safe; for example bdrv_drain can hang if
> the last in-flight I/O operation is completed in the I/O thread after
> the main thread has checked bs->in_flight.
>
> The bug remains latent as long as all of it is called within
>
