Re: [Qemu-devel] Help on possible hang in drive-mirror / query-block-jobs

2014-07-10 Thread Daniel P. Berrange
On Thu, Jul 10, 2014 at 05:21:36PM +0200, Paolo Bonzini wrote: > Il 10/07/2014 17:11, Daniel P. Berrange ha scritto: > >I've spent the last week debugging an issue that is hitting OpenStack > >with drive-mirror/block job usage. > > > >Specifically we are seeing that a monitor command for 'query-blo

[Qemu-devel] Help on possible hang in drive-mirror / query-block-jobs

2014-07-10 Thread Daniel P. Berrange
I've spent the last week debugging an issue that is hitting OpenStack with drive-mirror/block job usage. The OpenStack automated test system runs a massive integration test suite against every commit to any part of OpenStack. Amongst the many things tested is a live snapshot feature which relies o

Re: [Qemu-devel] Help on possible hang in drive-mirror / query-block-jobs

2014-07-10 Thread Paolo Bonzini
Il 10/07/2014 17:11, Daniel P. Berrange ha scritto: I've spent the last week debugging an issue that is hitting OpenStack with drive-mirror/block job usage. Specifically we are seeing that a monitor command for 'query-block-jobs' never replies to libvirt. After 3 minutes of waiting the test harn

Re: [Qemu-devel] Help on possible hang in drive-mirror / query-block-jobs

2014-07-10 Thread Paolo Bonzini
Il 10/07/2014 17:53, Daniel P. Berrange ha scritto: > Can you install a custom QEMU? How many megabytes of stdout can your test > rig tolerate? Any chance you can collect other files (traces)? I can possibly come up with some gross hack to wget a qemu binary from an external host at the start