[Xen-devel] [PATCH 2/2] Allow kdump with crash_kexec_post_notifiers

Jan Beulich JBeulich at suse.com
Mon Aug 1 04:55:01 PDT 2016


>>> On 13.07.16 at 14:53, <david.vrabel at citrix.com> wrote:
> On 13/07/16 13:20, Petr Tesarik wrote:
>> If a crash kernel is loaded, do not crash the running domain. This is
>> needed if the kernel is loaded with crash_kexec_post_notifiers, because
>> panic notifiers are run before __crash_kexec() in that case, and this
>> Xen hook prevents its being called later.
> 
> Prioritising the in-kernel kexec image over the hypervisor one seems
> sensible behaviour to me.

For HVM guests certainly; does loading of an in-kernel crash kernel
properly fail for PV guests (and namely PV Dom0), or does such a
setup work nowadays?

Jan




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