Re: [Fedora-xen] Re: [Xen-devel] Re: Errors when build 2.6.31-rc8 / compiles and works OK

[Pasi Kärkkäinen]

On Mon, Sep 07, 2009 at 12:25:33AM -0700, Boris Derzhavets wrote:
> Pasi,
>
> I was trying to load the most recent 2.6.31-rc8 under Xen 3.4.1 ( via src.rpm) on F12
> rawhide and got stack trace. Jeremy is saying that rc8 works ok under Xen Unstable.
> But, Libvirt 0.7.0-6 would obviously have dependencies  on xen-3.4.1 packages.
> If i will port Xen 3.5 directly to F12 (F11) it might work with rc8, however Libvirt 0.7.0-6 will be most probably lost again. Libvirt 0.7.0-6 has been built for 3.4.1 Hypervisor ( in my understanding) . That's why i wrote if Xen 3.5 can load rc8, the easiest way to fix
> issue is to backport required Xen 3.5 CSs to xen-3.4.1-X(?).src.rpm  and get it resolved before F12 November's release.

I just compiled latest 2.6.31-rc8 pv_ops dom0 kernel (commit 7c62209cde5b13b81685e79b2f9e3757e293aef1) and it works for me.

I'm running with xen-3.4.1-3 on Fedora 11 (x86 32bit PAE).

.config for my working kernel: 
http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2.6.31-rc8-rebaster-ma...

-- Pasi
> Boris
>
> --- On Mon, 9/7/09, Pasi Kärkkäinen  wrote:
>
> From: Pasi Kärkkäinen 
> Subject: Re: [Fedora-xen] Re: [Xen-devel] Re: Errors when build 2.6.31-rc8
> To: "Boris Derzhavets" 
> Cc: "Xen-devel" , [e-mail]
> Date: Monday, September 7, 2009, 2:57 AM
>
> On Sun, Sep 06, 2009 at 09:49:41PM -0700, Boris Derzhavets wrote:
> > As far as Xen 3.5 tarball will be officially released  kernel supporting Dom0 should be
> > JF's pvops kernel. When  xen-3.5.0-X.src.rpm and updated libvirt ( next preview)
> > will become available via F13 rawhide , F12 & F13 rawhide would be ready to go
> > in text mode as 3.5 Xen Hosts with virt-install&virt-manager available via VNC
> > connections.  Why wait until Upstream merge ?
>
> Uhm.. sorry I'm a bit confused. If I understood correctly you have a
> call trace on your pv_ops dom0 kernel?
>
> Does that only happen with Xen 3.4.1 or what's the problem?
>
> -- Pasi
> > Boris
> >
> > --- On Sun, 9/6/09, Pasi Kärkkäinen  wrote:
> >
> > From: Pasi Kärkkäinen 
> > Subject: Re: [Fedora-xen] Re: [Xen-devel] Re: Errors when build 2.6.31-rc8
> > To: "Mr. Teo En Ming (Zhang Enming)" 
> > Cc: [e-mail], "Xen-devel" , "Jeremy Fitzhardinge" , [e-mail]
> > Date: Sunday, September 6, 2009, 2:37 PM
> >
> > On Mon, Sep 07, 2009 at 01:10:14AM +0800, Mr. Teo En Ming (Zhang Enming) wrote:
> > > On 09/07/2009 01:04 AM, Boris Derzhavets wrote:
> > > > I believe, that some set of CSs from Xen 3.5 has to be included as 
> > > > patches into
> > > > xen-3.4.1-3.src.rpm, in case if it causes by 3.4.1 Hypervisor.
> > > > Otherwise  , F12 release in November won't have suitable Dom0 kernel 
> > > > again.
> > > > I would guess 2.6.31-rc6 at best.
> > > >
> > > > Boris.
> > > >
> > > > --- On *Sun, 9/6/09, Boris Derzhavets //* wrote:
> > > >
> > > > From: Boris Derzhavets 
> > > >     Subject: [Fedora-xen] Re: [Xen-devel] Re: Errors when build 2.6.31-rc8
> > > >     To: "Jeremy Fitzhardinge" 
> > > >     Cc: "Xen-devel" , [e-mail]
> > > >     Date: Sunday, September 6, 2009, 12:56 PM
> > > >
> > > > Attempt to load 2.6-31-rc8 under Xen 3.4.1 , installed via
> > > >     xen-3.4.1-3.src.rpm along with
> > > >     libvirt(rawhide) , on top F12 rawhide. yum update gcc,glibc,kernel
> > > >     had been run.
> > > >
> > > > Call trace:
> > > >
> > > > usb_hc_died + .....
> > > >     usb_add_hcd +.....
> > > >     usb_hcd_pci_probe + ....
> > > >     do_work_for_cpu + .....
> > > >     local_pci_probe + ...
> > > >     do_work_for_cpu +.....
> > > >     kthread +.....
> > > >     child_rip+....
> > > >     restore_args + .....
> > > >     child_rip + .....
> > > >     Code : .   .   .   .
> > > >     .  .  .   .
> > > >
> > > > RIP [<ffff...c7>] usb_kick_khubd + 0x10/0x25
> > > >     RSP < ffff ... e0>
> > > >     CR2: 00000...098
> > > >
> > > > ---[ end trace 8219......]----
> > > >
> > > > uhci_hcd 0000:00:1a:0 host controller process error, something bad
> > > >     happened !
> > > >     uhci_hcd 0000:00:1a:0 host controller halted , very bad
> > > >     uhci_hcd 0000:00:1a:0  HC died, cleaning up
> > > >
> > > > 2.6.31-rc6 loads fine in same environment under Xen 3.4.1 on top
> > > >     of  F12 rawhide
> > > >
> > > > Boris,
> > >
> > > I thought Fedora will no longer have dom 0 kernel?
> >
> > http://fedoraproject.org/wiki/Features/XenPvopsDom0
> >
> > "Dom0 status: awaiting upstream kernel support"
> >
> > -- Pasi
> >
> > Xen-devel mailing list
> > [e-mail]
> > http://lists.xensource.com/xen-devel
>
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