Re: [Qemu-devel] [Qemu-stable] Patch Round-up for stable 2.1.1, freeze on 2014-09-03

[Michael Roth]

Quoting Andrey Korolyov (2014-09-02 16:29:29)
> On Wed, Sep 3, 2014 at 1:03 AM, Michael S. Tsirkin <address@hidden> wrote:
> >> bad one is the
> >>
> >> Author: Jason Wang <address@hidden>
> >> Date:   Tue Sep 2 18:07:46 2014 +0300
> >>
> >>     vhost_net: start/stop guest notifiers properly
> >
> >
> >
> > upstream has this (pull request sent today):
> > vhost_net: cleanup start/stop condition
> >
> > Could you apply it and see if it helps please?
> >
> > Michael, if it helps it should be before start/stop guest notifiers
> > ideally to avoid bisect problems.
> 
> It is already applied as shown from the list in the previous message
> (there are some aio fixes too on top of 2.1 I picked before but they
> should not impact vhost-net interaction in any mean). The symptoms are

I also had it applied. Not sure what the main difference is with our
setups, but can't seem to reproduce it on my end. Also tried FC18 64-bit.

I have only 2.1.1 + the 4 commits mentioned in my previous email however,
so it may be worth retrying your test with only those applied as a sanity
check, or even just testing Michael's tree directly to confirm that the
right commit.

> a bit interesting - VM crashes only at PCI device initalization (e.g.
> grub stage after reset and initrd unpacking are passing well, but then
> things getting ugly). I am running 3.14 guest i686-pae kernel from
> debian backports in guest, so it may be version-specific after all. If
> it`ll be hard to reproduce, I can try 64bit, expecting same behavior.
> Please find args in attached file.