RE: [Xen-devel] lzma and 4.0 and "Internal errror', 'xc_dom_do_gunzip: inflate failed (rc=-5)"

[Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>]

Thanks for the quick replies...

> Hmm.. you could use ldd to check if libxenguest.so is linked against
> libxz?

Assuming you meant "linked against" liblzma, yes it is.

> Also there might be some debug messages in /var/log/xen/*

No, nothing unusual.  The inflate just seems to fail with -5
(which I think means Z_BUF_ERROR).

> Did xc_dom_bzimageloader.o really get built with -DHAVE_LZMA in CFLAGS?

Yep, checked with "strings".

> so then LZMA support should be built in and it should be possible to
> inflate
> the initrd. You'll have to add extra tracing in that case to find out
> where
> the error is coming from.

Looks like debugging time... will followup if/when I find anything out.

> -----Original Message-----
> From: Keir Fraser [mailto:keir.fraser@xxxxxxxxxxxxx]
> Sent: Monday, May 10, 2010 12:38 PM
> To: Dan Magenheimer; Pasi Kärkkäinen; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] lzma and 4.0 and "Internal errror',
> 'xc_dom_do_gunzip: inflate failed (rc=-5)"
> 
> On 10/05/2010 19:15, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx>
> wrote:
> 
> > I'm trying to load a PV domain with a kernel for which
> > the initramfs (but not the kernel) is compressed with
> > lzma, running a recent xen-4.0-testing and got:
> >
> > "'Internal error', 'xc_dom_do_gunzip: inflate failed (rc=-5)'"
> >
> > I discovered that, although the 4.0 wiki says that xz-devel
> > is required to be installed, the dependency checking tools
> > don't enforce it and the build silently ignores it if it
> > is missing.  So I installed the xz rpm's, did a make clean
> > in tools, then make and make install.  Still same problem.
> 
> Did xc_dom_bzimageloader.o really get built with -DHAVE_LZMA in CFLAGS?
> If
> so then LZMA support should be built in and it should be possible to
> inflate
> the initrd. You'll have to add extra tracing in that case to find out
> where
> the error is coming from.
> 
>  -- Keir
> 
> 

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