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Re: crash tool - problem with new Xen linear virtual mapped sparse p2m list

From "Jan Beulich" <JBeulich@suse.com>
Newsgroups linux.kernel
Subject Re: crash tool - problem with new Xen linear virtual mapped sparse p2m list
Date 2015-11-24 10:00 +0100
Message-ID <qyhCa-5Ot-9@gated-at.bofh.it> (permalink)
References <qy5KG-6GT-27@gated-at.bofh.it> <qyfK1-4Cb-3@gated-at.bofh.it>
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>>> On 24.11.15 at 07:55, <JGross@suse.com> wrote:
> What about:
> 
> 4) Instead of relying on the kernel maintained p2m list for m2p
>    conversion use the hypervisor maintained m2p list which should be
>    available in the dump as well. This is the way the alive kernel is
>    working, so mimic it during crash dump analysis.

I fully agree; I have to admit that looking at the p2m when doing page
table walks for a PV Dom0 (having all machine addresses in page table
entries) seems kind of backwards. (But I say this knowing nothing
about the tool.)

Jan

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Thread

crash tool - problem with new Xen linear virtual mapped sparse p2m  list Daniel Kiper <daniel.kiper@oracle.com> - 2015-11-23 21:20 +0100
  Re: crash tool - problem with new Xen linear virtual mapped sparse  p2m list Juergen Gross <jgross@suse.com> - 2015-11-24 08:00 +0100
    Re: crash tool - problem with new Xen linear virtual mapped  sparse p2m list "Jan Beulich" <JBeulich@suse.com> - 2015-11-24 10:00 +0100
      Re: [Xen-devel] crash tool - problem with new Xen linear virtual  mapped sparse p2m list Malcolm Crossley <malcolm.crossley@citrix.com> - 2015-11-24 11:00 +0100
        Re: [Xen-devel] crash tool - problem with new Xen linear virtual  mapped sparse p2m list David Vrabel <david.vrabel@citrix.com> - 2015-11-24 11:10 +0100
          Re: [Xen-devel] crash tool - problem with new Xen linear virtual  mapped sparse p2m list Petr Tesarik <ptesarik@suse.cz> - 2015-11-24 11:20 +0100
            Re: [Xen-devel] crash tool - problem with new Xen linear virtual  mapped sparse p2m list Andrew Cooper <andrew.cooper3@citrix.com> - 2015-11-24 11:40 +0100
              Re: [Xen-devel] crash tool - problem with new Xen linear virtual  mapped sparse p2m list Petr Tesarik <ptesarik@suse.cz> - 2015-11-24 14:00 +0100
                Re: [Xen-devel] crash tool - problem with new Xen linear  virtual mapped sparse p2m list "Jan Beulich" <JBeulich@suse.com> - 2015-11-24 14:40 +0100
                Re: [Xen-devel] crash tool - problem with new Xen linear virtual  mapped sparse p2m list Andrew Cooper <andrew.cooper3@citrix.com> - 2015-11-24 14:50 +0100
                Re: [Xen-devel] crash tool - problem with new Xen linear virtual  mapped sparse p2m list Andrew Cooper <andrew.cooper3@citrix.com> - 2015-11-24 14:50 +0100
              Re: [Xen-devel] crash tool - problem with new Xen linear virtual  mapped sparse p2m list Ian Campbell <ian.campbell@citrix.com> - 2015-11-24 14:50 +0100
                Re: [Xen-devel] crash tool - problem with new Xen linear  virtual mapped sparse p2m list "Jan Beulich" <JBeulich@suse.com> - 2015-11-24 15:00 +0100

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