Re: [Xen-devel] [PATCH] kexec/noreboot: Don't kexec_crash() if noreboot has been requested.

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 07/09/12 14:16, Jan Beulich wrote:
>>>> On 07.09.12 at 15:05, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
>> This issue came up when debugging pcpu linked list corruption (patches
>> for that issue to follow).
> Hmm, that's a matter of taste of course. Nor is running kdump
> really a (direct) reboot action. Both ways have their reasoning
> imo, so I'm not sure whether keeping things as is or applying the
> patch is the better thing.
>
> Jan

Hmm yes - I guess its not as clean cut as I thought, but I would still
argue that this patch is the lest surprising alternative.

One tweak I am thinking of working on soon is a "pause-on-reboot"
feature which is a bit like noreboot, but will accept a passphrase and
continue with the reboot, so you can 'pause', see the dying panic then
reboot without needing to invoke the server power management.

(This may have been as a result of being given details for the wrong
server power management interface IP address when debugging a server in
a data center 7 time zones away, and getting rather confused when it
didn't make any attempt to reboot.  I imagine someone else might get
equally irate if their server was rebooting without warning.)

~Andrew

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-- 
Andrew Cooper - Dom0 Kernel Engineer, Citrix XenServer
T: +44 (0)1223 225 900, http://www.citrix.com


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