Re: [Xen-users] problem on loading VM

["Todd Deshane" <deshantm@xxxxxxxxx>]

On Sun, Dec 21, 2008 at 9:57 AM, janskey <janskey_boy@xxxxxxxxx> wrote:
> Hi All,
>
> Has anyone encounter this problem:
>
> Issue1: VM1 can't boot automatically in /etc/xen/auto
> -------------------------------------------------------
> [root@vm1]# tail -f /var/log/xen/xend
> [2008-12-19 17:20:50 xend 3358] INFO (XendCheckpoint:351) ERROR Internal
> error: Error when reading page (type was 0)
> [2008-12-19 17:20:53 xend 3358] INFO (XendCheckpoint:351) Restore exit with
> rc=1
> [2008-12-19 17:20:53 xend.XendDomainInfo 3358] DEBUG (XendDomainInfo:1560)
> XendDomainInfo.destroy: domid=2
> [2008-12-19 17:20:53 xend.XendDomainInfo 3358] DEBUG (XendDomainInfo:1568)
> XendDomainInfo.destroyDomain(2)
> [2008-12-19 17:20:53 xend.XendDomainInfo 3358] ERROR (XendDomainInfo:1575)
> XendDomainInfo.destroy: xc.domain_destroy failed.
> Traceback (most recent call last):
>   File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
> 1573, in destroyDomain
>     xc.domain_destroy(self.domid)
> Error: (3, 'No such process')
> [2008-12-19 17:20:53 xend 3358] ERROR (XendDomain:278) Restore failed
> Traceback (most recent call last):
>   File "/usr/lib/python2.4/site-packages/xen/xend/XendDomain.py", line 273,
> in domain_restore_fd
>     return XendCheckpoint.restore(self, fd)
>   File "/usr/lib/python2.4/site-packages/xen/xend/XendCheckpoint.py", line
> 219, in restore
>     forkHelper(cmd, fd, handler.handler, True)
>   File "/usr/lib/python2.4/site-packages/xen/xend/XendCheckpoint.py", line
> 339, in forkHelper
>     raise XendError("%s failed" % string.join(cmd))
> XendError: /usr/lib/xen/bin/xc_restore 21 2 1 2 0 0 0 failed
>
> Here are the details:
>
> Issue1: I add my Guest OS (vm1) to /etc/xen/auto so that it will run
> automatically when the Host is restarted. But VM1 can't boot because of the
> error above. If I start manually using "xm create vm1", it can run normally.
> The only problem is it can't run automatically. What does the error means?
>
>
> Issue2: VM2 can't load second interface if run manually using "xm create"
> but putting it on /etc/xen/auto 2nd interface is ok
> ---------------------------------------------------------------------------------------------------------------------------
> SenarioA:
> If put VM2 in /etc/xen/auto, it runs normally and has no problem but I found
> something when I get in to the VM using console:
>
> [root@vm2]# xm console 1
> BUG: soft lockup detected on CPU#1!
>  [<c043ea67>] softlockup_tick+0x98/0xa6
>  [<c0408b7d>] timer_interrupt+0x504/0x557
>  [<c043ec9b>] handle_IRQ_event+0x27/0x51
>  [<c043ed58>] __do_IRQ+0x93/0xe8
>  [<c040672b>] do_IRQ+0x93/0xae
>  [<c053a045>] evtchn_do_upcall+0x64/0x9b
>  [<c0404ec5>] hypervisor_callback+0x3d/0x48
>  [<c0407fd1>] raw_safe_halt+0x8c/0xaf
>  [<c0402bca>] xen_idle+0x22/0x2e
>  [<c0402ce9>] cpu_idle+0x91/0xab
>  =======================
>
> Red Hat Enterprise Linux Server release 5 (Tikanga)
> Kernel 2.6.18-8.el5xen on an i686
>
> vm2 login:
>
> A) Is this a bug?
> B) what is the output means?
>
> SenarioB:
> If I remove vm2 on /etc/xen/auto, reboot the Hosts and then run the vm2
> manually using "xm create vm2", my 2nd interface can't be loaded. Only 1st
> interface. Any idea?
>

Read through the /etc/init.d/xendomains script. Maybe it is forcing
some libvirt thing. When using xm create you may be specifying
a different config file then the xendomains script calls by default.

Hope that sheds some light.

Cheers,
Todd

-- 
Todd Deshane
http://todddeshane.net
http://runningxen.com

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users