Re: [Qemu-devel] [Qemu-stable] Patch Round-up for stable 1.4.1, freeze next Tuesday

2013-04-04 Thread Tiziano Müller
Hi Hans Definitely. This was a huge problem for us with the 1.4 series so far. Thanks a lot for fixing it! Am Mittwoch, den 03.04.2013, 14:13 +0200 schrieb Hans de Goede: > Hi, > > Sorry for jumping in in the middle of this thread, but I just wrote > a patch yesterday, and Gerd included it in h

Re: [Qemu-devel] Live migration using qcow2

2013-02-20 Thread Tiziano Müller
Am Mittwoch, den 20.02.2013, 15:16 +0100 schrieb Paolo Bonzini: > Il 20/02/2013 14:46, Kevin Wolf ha scritto: > >> > Thanks for the fast reply. Can you please elaborate on that (or post a > >> > link to an explanation): What exactly does the backend have to provide > >> > that for example cache=wri

Re: [Qemu-devel] Live migration using qcow2

2013-02-20 Thread Tiziano Müller
Am Mittwoch, den 20.02.2013, 12:20 +0100 schrieb Kevin Wolf: > On Wed, Feb 20, 2013 at 11:47:56AM +0100, Tiziano Müller wrote: > > Hi everyone > > > > According to http://wiki.qemu.org/Migration/Storage section "Image > > Formats" qemu can't do live mi

Re: [Qemu-devel] qemu 1.4 : ubuntu 12.10 : ehci + companion + usb-tablet -> vmmouse not loaded + usb-tablet not working

2013-02-20 Thread Tiziano Müller
Hi Alexandre No solution yet, but I can reproduce bug 2) with Fedora 18 64bit as guest. Regards, Tiziano Am Mittwoch, den 20.02.2013, 13:56 +0100 schrieb Alexandre DERUMIER: > Hi List, > > I'm testing qemu 1.4, without ubuntu desktop 12.10 with graphical installer > > I found 2 bugs: > > 1) v

[Qemu-devel] Live migration using qcow2

2013-02-20 Thread Tiziano Müller
Hi everyone According to http://wiki.qemu.org/Migration/Storage section "Image Formats" qemu can't do live migration without data corruption when using qcow2 or qed due to the metadata caches. Wasn't that fixed by commit 06d9260 ? Also, "Clustered File Systems" does not seem to be up-to-date sinc

Re: [Qemu-devel] Silent filesystem/qcow2 corruptions with qemu-kvm-1.0 and 1.1.1

2012-10-15 Thread Tiziano Müller
Am Montag, den 15.10.2012, 13:11 +0200 schrieb Kevin Wolf: > Am 12.10.2012 10:53, schrieb Tiziano Müller: > > Am Freitag, den 12.10.2012, 10:33 +0200 schrieb Stefan Hajnoczi: > >> On Thu, Oct 11, 2012 at 03:33:23PM +0200, Tiziano Müller wrote: > >>> Checking the ima

Re: [Qemu-devel] Silent filesystem/qcow2 corruptions with qemu-kvm-1.0 and 1.1.1

2012-10-15 Thread Tiziano Müller
Am Montag, den 15.10.2012, 09:48 +0200 schrieb Stefan Hajnoczi: > Okay, that's consistent with the other symptoms you've reported. > > It's not clear whether the corruption arises inside qcow2 or if > something else is causing corruption and qcow2/xfs get upset. That is > the next step to debuggi

Re: [Qemu-devel] Silent filesystem/qcow2 corruptions with qemu-kvm-1.0 and 1.1.1

2012-10-12 Thread Tiziano Müller
Am Freitag, den 12.10.2012, 10:28 +0200 schrieb Stefan Hajnoczi: > On Thu, Oct 11, 2012 at 03:33:23PM +0200, Tiziano Müller wrote: > > One test case was: > > * xfs_repair /dev/vda2 -> corruptions found and fixed > > * xfs_repair /dev/vda2 -> no corruptions found >

Re: [Qemu-devel] Silent filesystem/qcow2 corruptions with qemu-kvm-1.0 and 1.1.1

2012-10-12 Thread Tiziano Müller
Am Freitag, den 12.10.2012, 10:33 +0200 schrieb Stefan Hajnoczi: > On Thu, Oct 11, 2012 at 03:33:23PM +0200, Tiziano Müller wrote: > > Checking the image using `qemu-img check` then gives something like > > this: > > > > ERROR OFLAG_COPIED: offset=3bc3 refcoun

[Qemu-devel] Silent filesystem/qcow2 corruptions with qemu-kvm-1.0 and 1.1.1

2012-10-11 Thread Tiziano Müller
Hi everyone We have a couple of VMs, each with QCow2-files as disk images and we are seeing random filesystem/qcow2 corruptions of the VM filesystems. We have two types of corruptions: * if the guest OS uses XFS, we get corruption errors originating most of the time in xfs_da_do_buf inside the VM

[Qemu-devel] Memory ballooning: wrong size?

2012-09-29 Thread Tiziano Müller
Hi everyone A look through recent changes didn't reveal anything (or I missed it), so please excuse me if this is already fixed, but with qemu-1.1.1 and guest linux kernels 3.3.x and 3.5.0 the size of the memory qemu sets via memory ballooning and what the guest sees do not match: hmp: `balloon 1

Re: [Qemu-devel] [RFC PATCH 0/4] Live block commit

2012-08-14 Thread Tiziano Müller
Hi Jeff This is an awesome feature and absolutely necessary to get a working live-snapshot/backup solution. What is the status on this? Will it make it into 1.2.0? Thanks in advance, best regards, Tiziano Am Dienstag, den 31.07.2012, 01:16 -0400 schrieb Jeff Cody: > These are proposed changes,

[Qemu-devel] Re: [Spice-devel] spicevmv chardev, guest agents and paravirtual mouse

2011-01-13 Thread Tiziano Müller
Am Mittwoch, den 12.01.2011, 17:12 +0100 schrieb Gerd Hoffmann: > Hi folks, > > Looks like the spicevmc patch kicked the guest qagent discussion, so > lets start with this, although it isn't related much to the agent issue > itself ... > > > The spicevmc chardev just pipes data from a chardev u