Re: [Qemu-devel] dataplane degradation in 2.1

2014-07-10 Thread Andrey Korolyov
Cool, thanks Stefan. Nearly missed this set in patchwork because it came a bit earlier than the latest fix addressed to the segfault I mentioned. By the way, do you plan to add I/O throttlers to the iothread model in next release cycles? On Thu, Jul 10, 2014 at 6:39 PM, Stefan Hajnoczi wrote: > O

Re: [Qemu-devel] dataplane degradation in 2.1

2014-07-10 Thread Paolo Bonzini
Il 10/07/2014 17:10, Andrey Korolyov ha scritto: Cool, thanks Stefan. Nearly missed this set in patchwork because it came a bit earlier than the latest fix addressed to the segfault I mentioned. By the way, do you plan to add I/O throttlers to the iothread model in next release cycles? Throttli

Re: [Qemu-devel] dataplane degradation in 2.1

2014-07-10 Thread Stefan Hajnoczi
On Wed, Jul 09, 2014 at 08:50:43PM +0400, Andrey Korolyov wrote: > I`ve observed an immediate crash running tagged -rc1 with > virtio-blk(675879f6f3c9463e103735a4e41e9deb0bee9b39). Please take a > look on attached backtrace, hope that the fix still can made its way > to 2.1. 1.6 works well with sam

Re: [Qemu-devel] dataplane degradation in 2.1

2014-07-10 Thread Fam Zheng
On Wed, 07/09 20:50, Andrey Korolyov wrote: > Hello, > > I`ve observed an immediate crash running tagged -rc1 with > virtio-blk(675879f6f3c9463e103735a4e41e9deb0bee9b39). Please take a > look on attached backtrace, hope that the fix still can made its way > to 2.1. 1.6 works well with same config,

[Qemu-devel] dataplane degradation in 2.1

2014-07-09 Thread Andrey Korolyov
Hello, I`ve observed an immediate crash running tagged -rc1 with virtio-blk(675879f6f3c9463e103735a4e41e9deb0bee9b39). Please take a look on attached backtrace, hope that the fix still can made its way to 2.1. 1.6 works well with same config, so it`s clearly a regression. /usr/bin/qemu-system-x86_