Bug#803036: qemu-system-x86: Qemu guest hangs 100% CPU on IO

2015-10-28 Thread Michael Tokarev
26.10.2015 11:54, Gavin Pidgley wrote: > Package: qemu-system-x86 > Version: 2.1+dfsg-12~bpo70+1 > Severity: important > > Dear Maintainer, > > We are seeing guests lockup/hang with qemu. The guests hang with 100% CPU > usage. The problem seems to be storage/IO related, but there is not >

Bug#803036: qemu-system-x86: Qemu guest hangs 100% CPU on IO

2015-10-28 Thread Gavin Pidgley
Is it possible that these changes can be backported? I can see 2.4 is available in "testing", but won't be released for the foreseeable future and I presume 2.4 itself it unlikely to get backported to Wheezy anyhow. It would be greatly appreciated if these specific fixes can be backported at

Bug#803036: qemu-system-x86: Qemu guest hangs 100% CPU on IO

2015-10-28 Thread Gavin Pidgley
> Not by me, and it is very unlikely the release team can be convinced the > result is safe. These patches applies on top of event loop refactoring > happened during 2.4 release cycle and requires relatively large number > of other changes all over. Okay, does that mean this is going to put

Bug#803036: qemu-system-x86: Qemu guest hangs 100% CPU on IO

2015-10-28 Thread Michael Tokarev
28.10.2015 17:41, Gavin Pidgley пишет: > Is it possible that these changes can be backported? Not by me, and it is very unlikely the release team can be convinced the result is safe. These patches applies on top of event loop refactoring happened during 2.4 release cycle and requires relatively

Bug#803036: qemu-system-x86: Qemu guest hangs 100% CPU on IO

2015-10-26 Thread Gavin Pidgley
Package: qemu-system-x86 Version: 2.1+dfsg-12~bpo70+1 Severity: important Dear Maintainer, We are seeing guests lockup/hang with qemu. The guests hang with 100% CPU usage. The problem seems to be storage/IO related, but there is not necessarily high IO happening on the host at the time the guest