Re: [PATCH] xen: add support for crash dump analysis with xen.efi

[Juergen Gross <jgross@xxxxxxxx>]

On 24.04.23 16:09, Jan Beulich wrote:
> On 24.04.2023 15:44, Juergen Gross wrote:
> > On 24.04.23 14:01, Jan Beulich wrote:
> > > Finally - do you really need to copy all the non-debug sections as well?
> > > Might --only-keep-debug be helpful here (provided it works for a PE/COFF
> > > -> ELF copy operation; it looks to do so in my simple experiments)?
> > No, doesn't work (objcopy does, but not crash with that file):
> >
> >     crash: xen.efi.elf: no text and data contents
> Oh, wow. What use do they have for the .text / .data contents? I very much
> hope they use the in-memory Xen image for analysis, not what they may read
> out of the image.
I think crash is fine in this regard. At least __start_xen() seems to be all
zeroes in my test dump, which is fine for an .init function after the system
is up and running. :-)

> In any event, please add half a sentence to the description to mention
> this aspect.
Okay.


Juergen

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