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XCP host reboot (hangup)
Good day.

On some configuration XCP sometimes hangs during reboot at last moment
(when kernel shell sends reboot command).

This is well-known issue with linux and it solving by "reboot=force"
kernel command line. I think there is no harm to add this line to 'xe'
boot option by default, because if some host hangs during reboot it will
take a long time before this will known by administrator and cause
additional 'strange' behavior if hanged host was a pool master.

Proposal: add reboot=force to 'xe' boot option in /boot/extlinux.conf.



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RE: XCP host reboot (hangup) [ In reply to ]
Hi George,

Simon (cc:d) is the guy that looks after XCP install and boot code, including /boot/extlinux.conf.

Simon, what do you think about adding a "reboot=force" operation as George suggests below?

Thanks,
Dave

> -----Original Message-----
> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
> bounces@lists.xensource.com] On Behalf Of George Shuklin
> Sent: 31 July 2011 17:46
> To: xen-api@lists.xensource.com
> Subject: [Xen-API] XCP host reboot (hangup)
>
> Good day.
>
> On some configuration XCP sometimes hangs during reboot at last moment
> (when kernel shell sends reboot command).
>
> This is well-known issue with linux and it solving by "reboot=force"
> kernel command line. I think there is no harm to add this line to 'xe'
> boot option by default, because if some host hangs during reboot it
> will
> take a long time before this will known by administrator and cause
> additional 'strange' behavior if hanged host was a pool master.
>
> Proposal: add reboot=force to 'xe' boot option in /boot/extlinux.conf.
>
>
>
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