Re: [Qemu-block] [Qemu-devel] Intermittent hang of iotest 194 (bdrv_drain_all after non-shared storage migration)

2017-11-10 Thread Max Reitz
On 2017-11-10 03:36, Fam Zheng wrote: > On Thu, 11/09 20:31, Max Reitz wrote: >> On 2017-11-09 16:30, Fam Zheng wrote: >>> On Thu, 11/09 16:14, Max Reitz wrote: [...] *sigh* OK, I'll look into it... >>> >>> OK, I'll let you.. Just one more thing: could it relate to the >>>

Re: [Qemu-block] [Qemu-devel] Intermittent hang of iotest 194 (bdrv_drain_all after non-shared storage migration)

2017-11-09 Thread Fam Zheng
On Thu, 11/09 20:31, Max Reitz wrote: > On 2017-11-09 16:30, Fam Zheng wrote: > > On Thu, 11/09 16:14, Max Reitz wrote: > >> On 2017-11-09 05:21, Fam Zheng wrote: > >>> On Thu, 11/09 01:48, Max Reitz wrote: > Hi, > > More exciting news from the bdrv_drain() front! > > I've

Re: [Qemu-block] [Qemu-devel] Intermittent hang of iotest 194 (bdrv_drain_all after non-shared storage migration)

2017-11-09 Thread Max Reitz
On 2017-11-09 16:30, Fam Zheng wrote: > On Thu, 11/09 16:14, Max Reitz wrote: >> On 2017-11-09 05:21, Fam Zheng wrote: >>> On Thu, 11/09 01:48, Max Reitz wrote: Hi, More exciting news from the bdrv_drain() front! I've noticed in the past that iotest 194 sometimes hangs. I

Re: [Qemu-block] [Qemu-devel] Intermittent hang of iotest 194 (bdrv_drain_all after non-shared storage migration)

2017-11-09 Thread Fam Zheng
On Thu, 11/09 16:14, Max Reitz wrote: > On 2017-11-09 05:21, Fam Zheng wrote: > > On Thu, 11/09 01:48, Max Reitz wrote: > >> Hi, > >> > >> More exciting news from the bdrv_drain() front! > >> > >> I've noticed in the past that iotest 194 sometimes hangs. I usually run > >> the tests on tmpfs, but

Re: [Qemu-block] [Qemu-devel] Intermittent hang of iotest 194 (bdrv_drain_all after non-shared storage migration)

2017-11-09 Thread Max Reitz
On 2017-11-09 05:21, Fam Zheng wrote: > On Thu, 11/09 01:48, Max Reitz wrote: >> Hi, >> >> More exciting news from the bdrv_drain() front! >> >> I've noticed in the past that iotest 194 sometimes hangs. I usually run >> the tests on tmpfs, but I've just now verified that it happens on my SSD >>

Re: [Qemu-block] [Qemu-devel] Intermittent hang of iotest 194 (bdrv_drain_all after non-shared storage migration)

2017-11-08 Thread Fam Zheng
On Thu, 11/09 01:48, Max Reitz wrote: > Hi, > > More exciting news from the bdrv_drain() front! > > I've noticed in the past that iotest 194 sometimes hangs. I usually run > the tests on tmpfs, but I've just now verified that it happens on my SSD > just as well. > > So the reproducer is a