Re: [Xen-users] might XenSpecificGlibc help me?

[Chris Fanning <christopher.fanning@xxxxxxxxx>]

> It would most likely be VERY apparent if that's the case... Either
> kernel oops or complete disaster in the user-mode file-system.
yes. but unfortunatley, my knowledge is limited turning this into a
trail-and-error adventure.

On the other hand, if I do get this working, it will all be changed
when the xen kernel moves up from 2.6.12 because fuse is now included.

Chris.

On 2/14/06, Petersson, Mats <Mats.Petersson@xxxxxxx> wrote:
> > -----Original Message-----
> > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> > [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> > Chris Fanning
> > Sent: 14 February 2006 15:33
> > To: Petersson, Mats
> > Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-users] might XenSpecificGlibc help me?
> >
> > ok. I edited /usr/local/incluse/fuse/fuse_common.h
> > and added
> > #define _FILE_OFFSET_BITS 64
> >
> > now it makes ok. no warnings.
> > I'll have a look about to see if this has any nasty secondary effects.
>
> It would most likely be VERY apparent if that's the case... Either
> kernel oops or complete disaster in the user-mode file-system.
>
> --
> Mats
> >
> > thanks all.
> > Chris.
> >
> > On 2/14/06, Petersson, Mats <Mats.Petersson@xxxxxxx> wrote:
> > >
> > >
> > > > -----Original Message-----
> > > > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> > > > [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Chris
> > > > Fanning
> > > > Sent: 14 February 2006 15:19
> > > > To: Anthony Liguori
> > > > Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> > > > Subject: Re: [Xen-users] might XenSpecificGlibc help me?
> > > >
> > > > > (have you installed the fuse development package?).
> > > > I installed it from source
> > > >
> > > > > > checking fuse.h usability... no
> > > > > > checking fuse.h presence... no
> > > > > > checking for fuse.h... no
> > > > > I think this is a pretty clear indication that fuse.h is not
> > > > > present
> > > >
> > > > It does seem that fuse.h and family are found.
> > > > compile.log says:
> > > > > > /usr/local/include/fuse/fuse_common.h:30:2: error: #error
> > > > Please add
> > > > > > -D_FILE_OFFSET_BITS=64 to your compile flags!
> > > >
> > > > and /usr/local/include/fuse/fue_common.h incluse this code.
> > > >
> > > > /* This interface uses 64 bit off_t */ #if
> > _FILE_OFFSET_BITS != 64
> > > > #error Please add -D_FILE_OFFSET_BITS=64 to your compile flags!
> > > > #endif
> > > >
> > > > what does that mean?
> > >
> > > It means just what it says: _FILE_OFFSET_BITS=64 should be
> > the value
> > > set in the build environment. For some reason, it appears that it's
> > > not [or the compiler is utterly broken - but that's
> > unlikely]. Adding
> > > it as you suggested originaly may well help - or it may
> > not. I don't
> > > know enough about the fuse project to say for sure - but
> > it's almost
> > > certainly not to do with which version of glibc that you're using.
> > >
> > > And I would examine why it says there's no fuse.h in the
> > configuration
> > > output - if you say that you've installed the fuse devel package,
> > > fuse.h should be found. Try something like "find / -name fuse.h
> > > -print" and see if it lists it - if not, you're missing something
> > > important, I would think.
> > >
> > > --
> > > Mats
> > > >
> > > > Chris.
> > > >
> > > >
> > > > On 2/14/06, Anthony Liguori <aliguori@xxxxxxxxxx> wrote:
> > > > > Chris Fanning wrote:
> > > > > > Hi,
> > > > > >
> > > > > > I'm trying to compile a fs -LTSPFS- that is based on the
> > > > FUSE project.
> > > > > >
> > > > > > I have compiled and installed FUSE on dom0.
> > > > > > the fuse/examples/hello test works.
> > > > > >
> > > > > > Now, when I attempt to compile LTSPFS ltspfs# ./configure
> > > > checking
> > > > > > fuse.h usability... no checking fuse.h presence... no
> > > > checking for
> > > > > > fuse.h... no
> > > > > >
> > > > > I think this is a pretty clear indication that fuse.h is
> > > > not present
> > > > > (have you installed the fuse development package?).
> > > > >
> > > > > Moreover, depending on which version of Xen you're using,
> > > > fuse is more
> > > > > than likely not present and not a compile option in the kernel.
> > > > > You'll need to compile fuse against Xen.
> > > > >
> > > > > FWIW, I've done this before it Ubuntu so you shouldn't have any
> > > > > problems with it in Debian.
> > > > >
> > > > > Regards,
> > > > >
> > > > > Anthony Liguori
> > > > > > and config.log says
> > > > > > configure:3827: checking fuse.h usability
> > > > > > configure:3839: gcc -c -g -O2  conftest.c >&5 In file
> > > > included from
> > > > > > /usr/local/include/fuse/fuse.h:23,
> > > > > >                 from /usr/local/include/fuse.h:9,
> > > > > >                 from conftest.c:65:
> > > > > > /usr/local/include/fuse/fuse_common.h:30:2: error: #error
> > > > Please add
> > > > > > -D_FILE_OFFSET_BITS=64 to your compile flags!
> > > > > >
> > > > > > so I thought
> > > > > > /configure CFLAGS=-D_FILE_OFFSET_BITS=64
> > > > > >
> > > > > > but the author of the ltspfs says that
> > -D_FILE_OFFSET_BITS=64 is
> > > > > > already done in the config script.
> > > > > >
> > > > > > I'm at a loss. :(
> > > > > >
> > > > > > Might XenSpecificGlibc help me here?
> > > > > >
> > > > > Nope.  The Xen glibc is only for performance with TLS emulation.
> > > > > > and if so,
> > > > > >
> > > > > > Any instructions to install it on a debain testing?
> > > > > >
> > > > > > Thanks in advance.
> > > > > > Chris.
> > > > > >
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