virtio-scsi and another complex AioContext issue

2020-06-11 Thread Sergio Lopez
Hi, While debugging BZ#1844343, I managed to reproduce the issue which leads to crash with a backtrace like this one: < snip > Thread 2 (Thread 0x7fe208463f00 (LWP 1659571)): #0 0x7fe2033b78ed in __lll_lock_wait () at /lib64/libpthread.so.0 #1 0x7fe2033b0bd4 in pthread_mutex_loc

Re: virtio-scsi and another complex AioContext issue

2020-06-19 Thread Stefan Hajnoczi
On Thu, Jun 11, 2020 at 10:36:22AM +0200, Sergio Lopez wrote: > Hi, > > While debugging BZ#1844343, I managed to reproduce the issue which > leads to crash with a backtrace like this one: > > < snip > > Thread 2 (Thread 0x7fe208463f00 (LWP 1659571)): > #0 0x7fe2033b78ed in __lll_lock

Re: virtio-scsi and another complex AioContext issue

2020-06-22 Thread Sergio Lopez
On Fri, Jun 19, 2020 at 02:04:06PM +0100, Stefan Hajnoczi wrote: > On Thu, Jun 11, 2020 at 10:36:22AM +0200, Sergio Lopez wrote: > > Hi, > > > > While debugging BZ#1844343, I managed to reproduce the issue which > > leads to crash with a backtrace like this one: > > > > < snip > > > Thread

Re: virtio-scsi and another complex AioContext issue

2020-06-23 Thread Stefan Hajnoczi
On Mon, Jun 22, 2020 at 04:16:04PM +0200, Sergio Lopez wrote: > On Fri, Jun 19, 2020 at 02:04:06PM +0100, Stefan Hajnoczi wrote: > > On Thu, Jun 11, 2020 at 10:36:22AM +0200, Sergio Lopez wrote: > > > Hi, > > > > > > While debugging BZ#1844343, I managed to reproduce the issue which > > > leads to

Re: virtio-scsi and another complex AioContext issue

2020-06-24 Thread Sergio Lopez
On Tue, Jun 23, 2020 at 03:24:54PM +0100, Stefan Hajnoczi wrote: > On Mon, Jun 22, 2020 at 04:16:04PM +0200, Sergio Lopez wrote: > > On Fri, Jun 19, 2020 at 02:04:06PM +0100, Stefan Hajnoczi wrote: > > > On Thu, Jun 11, 2020 at 10:36:22AM +0200, Sergio Lopez wrote: > > > > Hi, > > > > > > > > While

Re: virtio-scsi and another complex AioContext issue

2020-06-29 Thread Stefan Hajnoczi
On Wed, Jun 24, 2020 at 06:16:05PM +0200, Sergio Lopez wrote: > On Tue, Jun 23, 2020 at 03:24:54PM +0100, Stefan Hajnoczi wrote: > > On Mon, Jun 22, 2020 at 04:16:04PM +0200, Sergio Lopez wrote: > > > On Fri, Jun 19, 2020 at 02:04:06PM +0100, Stefan Hajnoczi wrote: > > > > On Thu, Jun 11, 2020 at 1