Re: [Xen-devel] fsimage - no such file

[Mohammad Hedayati <hedayati.mo@xxxxxxxxx>]

On Tue, Jun 19, 2012 at 2:27 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Tue, 2012-06-19 at 09:35 +0100, Thanos Makatos wrote:
>> I have the same problem on xen-unstable 54c8c9eaee92+. I think
>> libfsimage comes with xen (in my repo it's under ./tools/libfsimage).
>> I've investigated a bit and found that in my occasion libfsimage tries
>> to access directory /usr/lib64/fs which doesn't exist,
>> whereas /usr/lib/fs does. I linked /usr/lib64/fs to /usr/lib/fs but
>> then I got other problems, don't remember what. I don't know if this
>> has to do with the fact that my dom0 is 64bit (Debian unstable), or
>> that the domU is 64bit (Debian unstable again), or both.
>
> Aha I'd been puzzling over why people had been seeing this but I'm not!
>
> This very likely is to do with Debian and Ubuntu's transition to
> "multiarch" which has necessitated removing the old compatibility
> symlink /usr/lib64 -> /usr/lib.

Linking /usr/lib64/fs to /usr/lib/fs solved the problem for me. I have
patched StdGNU.mk so couldn't think of this to be the cause.

> lib64 is a RPMism which doesn't really apply to Debian and derivatives
> and therefore you need to tweak your Xen config before building. I use
> the following local configuration patch (I should probably do the
> equivalent in .config):
>
> # HG changeset patch
> # User Ian Campbell <ian.campbell@xxxxxxxxxx>
> # Date 1339576073 -3600
> # Node ID 6eabee6807b48c72bcc35a28170f0729500def85
> # Parent Â80c0677f0f8370a4542aab81ab93380b0dab25db
> imported patch debian-lib-dir.patch
>
> diff -r 80c0677f0f83 -r 6eabee6807b4 config/StdGNU.mk
> --- a/config/StdGNU.mk ÂWed Jun 13 09:27:53 2012 +0100
> +++ b/config/StdGNU.mk ÂWed Jun 13 09:27:53 2012 +0100
> @@ -34,7 +34,7 @@ BINDIR = $(PREFIX)/bin
> ÂINCLUDEDIR = $(PREFIX)/include
> ÂLIBLEAFDIR = lib
> ÂLIBLEAFDIR_x86_32 = lib
> -LIBLEAFDIR_x86_64 ?= lib64
> +LIBLEAFDIR_x86_64 ?= lib
> ÂLIBDIR = $(PREFIX)/$(LIBLEAFDIR)
> ÂLIBDIR_x86_32 = $(PREFIX)/$(LIBLEAFDIR_x86_32)
> ÂLIBDIR_x86_64 = $(PREFIX)/$(LIBLEAFDIR_x86_64)
>
> Can you try a fresh build with this applied and see if that helps.
I have applied this patch. I think libfsimage is somehow not being
affected with this. Yet, linking /usr/lib64/fs -> /usr/lib/fs solves
the problem.
>
> If it does then I shall update
> http://wiki.xen.org/wiki/Compiling_Xen_From_Source with this
> information!
>
> Roger -- is there any way we could automate this via autoconf for 4.2?
>
> Ian.
>

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