On Sat, Jun 19, 2010 at 06:32:21AM -0700, Boris Derzhavets wrote:
> > Looks like it's this one in xen-4.0.1-rc2-pre:
> [1]> http://xenbits.xen.org/xen-4.0-testing.hg?rev/0e1521f654f2
>
> I believe you are right.
>
> > What was the corresponding changeset/patch in xen/stable-2.6.32.x that
> breaks things > with Xen 4.0.0 ?
>
> If you mean PV network issue after merge netback-tasklets .
>
No, I don't mean that.
I mean older xen/stable-2.6.32.x kernels DO work with xen-4.0.0,
but the latest xen/stable-2.6.32.x does NOT work with xen-4.0.0.
So there is some change/patch in the dom0 kernel that breaks things with xen
4.0.0.
> I don't remember commit
> to revert. I guess in meantime patches from Ian Campbell and Dongxiao Xu
> have been
> applied . Tip 01d9fbca207ec232c758d991d66466fc6e38349e works for me.
>
The latest xen/stable-2.6.32.x should have the netback/tasklet stuff working
again, afaik.
No need for patches or reverts.
-- Pasi
> Boris.
> --- On Sat, 6/19/10, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
>
> From: Pasi Kärkkäinen <pasik@xxxxxx>
> Subject: Re: [Xen-devel] Latest pvops dom0 kernel and missing
> /dev/xen/evtchn, xenstored and xend not starting
> To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
> Cc: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>,
> xen-devel@xxxxxxxxxxxxxxxxxxx
> Date: Saturday, June 19, 2010, 9:18 AM
>
> On Sat, Jun 19, 2010 at 05:44:03AM -0700, Boris Derzhavets wrote:
> > > Is the correct fix to upgrade Xen to 4.0.1-rcX ?
> >
> > Via my experience rc2 should be good.
> > Similar question was asked by myself some time ago.
> > It's on the list.
> >
> > Boris.
> > P.S. Some CS from xen-unstable ( libxc related) was back ported to
> > xen-4-testing.hg.
> > There was also Keir's feed regarding this issue.
> >
>
> Looks like it's this one in xen-4.0.1-rc2-pre:
> [2]http://xenbits.xen.org/xen-4.0-testing.hg?rev/0e1521f654f2
>
> What was the corresponding changeset/patch in xen/stable-2.6.32.x that
> breaks things with Xen 4.0.0 ?
>
> -- Pasi
>
> > --- On Sat, 6/19/10, Pasi Kärkkäinen <[3]pasik@xxxxxx> wrote:
> >
> > From: Pasi Kärkkäinen <[4]pasik@xxxxxx>
> > Subject: [Xen-devel] Latest pvops dom0 kernel and missing
> > /dev/xen/evtchn, xenstored and xend not starting
> > To: [5]xen-devel@xxxxxxxxxxxxxxxxxxx
> > Cc: "Jeremy Fitzhardinge" <[6]jeremy@xxxxxxxx>
> > Date: Saturday, June 19, 2010, 8:32 AM
> >
> > Hello,
> >
> > I know there has been some discussion about this already,
> > but I just noticed it myself when I upgraded my testbox.
> >
> > So, I have Xen 4.0.0, and the latest xen/stable-2.6.32.x dom0
> kernel,
> > ie. 2.6.32.15.
> >
> > On system startup I notice xenstored and xend fail to start.
> > I look around and notice /dev/xen/ is empty.
> >
> > I do "rmmod xen-evtchn" and "modprobe xen-evtchn" and then I
> have:
> >
> > # ls -la /dev/xen
> > total 0
> > drwxr-xr-x 2 root root 60 Jun 19 15:22 .
> > drwxr-xr-x 20 root root 4580 Jun 19 15:20 ..
> > crw-rw---- 1 root root 10, 58 Jun 19 15:22 evtchn
> >
> > Based on some earlier emails it has wrong major/minor?
> >
> > Also "modprobe xen-gntdev" gives this:
> >
> > # ls -la /dev/xen
> > total 0
> > 0 crw-rw---- 1 root root 10, 58 Jun 19 15:22 evtchn
> > 0 crw-rw---- 1 root root 10, 57 Jun 19 15:25 gntdev
> >
> > So what's the actual problem here? I guess something got changed
> in the
> > kernel,
> > and now xen tools/scripts should create the devnodes with a
> different
> > major/minor?
> >
> > Is the correct fix to upgrade Xen to 4.0.1-rcX ?
> >
> > I just want to get this correct so I can update the wiki pages..
> > it seems many people hit this problem.
> >
> > Thanks!
> >
> > -- Pasi
> >
> > _______________________________________________
> > Xen-devel mailing list
> > [1][7]Xen-devel@xxxxxxxxxxxxxxxxxxx
> > [2][8]http://lists.xensource.com/xen-devel
> >
> > References
> >
> > Visible links
> > 1. file:///mc/compose?to=[9]Xen-devel@xxxxxxxxxxxxxxxxxxx
> > 2. [10]http://lists.xensource.com/xen-devel
>
> _______________________________________________
> Xen-devel mailing list
> [11]Xen-devel@xxxxxxxxxxxxxxxxxxx
> [12]http://lists.xensource.com/xen-devel
>
> References
>
> Visible links
> 1. http://xenbits.xen.org/xen-4.0-testing.hg?rev/0e1521f654f2
> 2. http://xenbits.xen.org/xen-4.0-testing.hg?rev/0e1521f654f2
> 3. file:///mc/compose?to=pasik@xxxxxx
> 4. file:///mc/compose?to=pasik@xxxxxx
> 5. file:///mc/compose?to=xen-devel@xxxxxxxxxxxxxxxxxxx
> 6. file:///mc/compose?to=jeremy@xxxxxxxx
> 7. file:///mc/compose?to=Xen-devel@xxxxxxxxxxxxxxxxxxx
> 8. http://lists.xensource.com/xen-devel
> 9. file:///mc/compose?to=Xen-devel@xxxxxxxxxxxxxxxxxxx
> 10. http://lists.xensource.com/xen-devel
> 11. file:///mc/compose?to=Xen-devel@xxxxxxxxxxxxxxxxxxx
> 12. http://lists.xensource.com/xen-devel
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