Removing vif from profile fixes the problem Boris
--- On Mon, 3/16/09, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: Fw: Re: [Xen-devel] tip.git regression from "vsprintf: unify the format decoding layer for its 3 users"
To: bderzhavets@xxxxxxxxx
Cc: "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Monday, March 16, 2009, 2:51 PM
Boris Derzhavets wrote:
> >>Boris Derzhavets wrote:
> > >Performed:-
> > >
> > >root@ServerIntrepid:/usr/src/linux-2.6-xen# git reset --hard
remotes/origin/xen/dom0/hackery
> > HEAD is now at a38db50 Merge commit 'tip/core/printk'
into
xen/dom0/hackery
> > >make clean
> > >make
> >> make modules_install install
> > >mkinitramfs -o /boot/initrd-2.6.29-rc7-tip.img 2.6.29-rc7-tip
> > >
> > >Booted with new kernel under Xen (19355) and get same bug in
place.
> >> Cannot shutdown any PV DomU . Xen Host dies.
> >
> >OK, so we're talking about a new bug now, right?
>
> >When you say "Xen Host dies", do you mean that Xen itself
crashes? Or that >the dom0 kernel crashes? Hangs? Non-responsive?
> *******************************************
> It stops responding at all as 3 days ago.
> Just the same picture :-
>
> PV DomU CentOS 5.2 has been tested with new kernel
> During shutdown mentioned DomU usual sequence of daemon's messages
drops into stack trace with following messages at the end:-
>
>
xenbus_dev_shutdown: device/vif/0 timeout closing device
> xenbus_dev_shutdown: device/vbd/51712 timeout closing device
> System halted.
>
OK, so this appears on the domU console? And at the same time, the host
becomes non-responsive? Are there any other symptoms?
>
> Bellow follows my message to you sent on 3/14/09
> The bug is old.
> I do have null modem cable ( 2 m.) . Setting up serial is quite possible,
> but not right now. Boxes are located in different places.
>
If the host just stops responding, then getting the Xen serial console may be
the best way to diagnose it.
Does it also happen if you remove the vifs from the domU config?
**********************************************
Removing vif from profile fixes the problem
**********************************************
Does reverting changes
8c7e11b6b89b3054623bc26bf6bbbda3ffa0ee18,
8b0ddbff9bf6cd8acb881a6296ca5069723f61b1 and
043854ee604d2b49d4def5ac215925296b64b391 help?
J
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