Re: [Xen-devel] r: (1, 'Internal error', 'panic: xc_dom_core.c:273: xc_dom_do_gunzip: inflate failed (rc=-3)').. only on Intel hardware and only under 32-bit dom0

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2012-02-20 at 18:32 +0000, Konrad Rzeszutek Wilk wrote:
[...]
> sh-4.1# xm create /mnt/lab/latest/test.xm 
> Using config file "/mnt/lab/latest/test.xm".
> Error: (1, 'Internal error', 'panic: xc_dom_core.c:273:
> xc_dom_do_gunzip: inflate failed (rc=-3)')

-3 == ESRCH? Seems unlikely...

Aha, in this context it is the return value of inflate() and therefore
it is Z_DATA_ERROR.

> And only on Intel.. and only if it is a 32-bit dom0. If I do the same
> test with a 64-bit dom0 I do not see this problem.

Different decompression libraries in your root filesystems perhaps? Can
you decompress the bzImage by hand? (perhaps using the attached bzeplode
to extract the compressed data payload)

Does it work with xl?

> Any thoughts of what it might be or what I should try out? My thought
> was to swap out the hypervisor (use a Xen 4.0) or unstable and see if
> I get the same result.

It is unlikely to be the hypervisor, more likely to be one of the
userspace components of the toolstack.

> But maybe there is something obvious out there?
>

Attachment: bzexplode.c
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