[uml-devel] Re: Bug#224502: FATAL: cannot determine library version

[uml-devel] Re: Bug#224502: FATAL: cannot determine library version

[Matt Zimmerman]

On Fri, Dec 19, 2003 at 03:36:55PM +0100, Bill Allombert wrote:

> I have upgraded from 2.4.22-5um-1 to 2.4.22-7um-1 and now 
> user-mode-linux fail to start with 
> 
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> VFS: Mounted root (ext2 filesystem) readonly.
> FATAL: cannot determine library version

Strange.  I think this error message comes from ld.so.

> Kernel panic: Attempted to kill init!
> 
> The host kernel is 2.4.22+Debian patch+SKAS Debian patch
> The machine is a bi-processor athlon.
> The command line is
> linux ubd0=uml root=/dev/ubd0
> 
> 2.4.22-5um-1 work fine.
> 
> On another host without the skas patch, rootstrap lead to
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> VFS: Mounted root (hostfs filesystem) readonly.
> Mounted devfs on /dev
> 
> and then it hang.

2.4.22-7um-1 works fine for me in skas mode.  There is a problem in tt mode
which has already been reported (#224431).

-- 
 - mdz


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[uml-devel] Re: Bug#224502: FATAL: cannot determine library version

[Bill Allombert]

On Fri, Dec 19, 2003 at 08:11:44AM -0800, Matt Zimmerman wrote:
> On Fri, Dec 19, 2003 at 03:36:55PM +0100, Bill Allombert wrote:
> 
> > I have upgraded from 2.4.22-5um-1 to 2.4.22-7um-1 and now 
> > user-mode-linux fail to start with 
> > 
> > NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> > VFS: Mounted root (ext2 filesystem) readonly.
> > FATAL: cannot determine library version
> 
> Strange.  I think this error message comes from ld.so.

You are right.  From the source , this message com from
 sysdeps/unix/sysv/linux/dl-osinfo.h in the following macro:

#define DL_SYSDEP_OSCHECK(FATAL) \
  do {                                                                        \
    /* Test whether the kernel is new enough.  This test is only              \
       performed if the library is not compiled to run on all                 \
       kernels.  */                                                           \

The UML filesystem is woody.

I tried to build a new filesystem with rootstrap+slirp but the new uml
package fail:
I: Retrieving diff
I: Validating diff
/tmp/target/var/lib/apt/lists/debootstrap.invalid_dists_woody_main_binary-i386_Packages: Function not implemented
Traceback (most recent call last):
  File "/usr/lib/rootstrap/builder", line 66, in ?
    dispatch(module, modulevars)
  File "/usr/lib/rootstrap/builder", line 44, in dispatch
    raise "rootstrap: Module '%s' failed, status: %d" % (module,status)
rootstrap: Module 'debian' failed, status: 1
Kernel panic: Attempted to kill init!

While the old one perform normally.

Cheers,
-- 
Bill. <ballombe@debian.org>

Imagine a large red swirl here. 


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Re: [uml-devel] Re: Bug#224502: FATAL: cannot determine library version

[Matt Zimmerman]

On Sun, Dec 21, 2003 at 01:40:03AM +0100, Bill Allombert wrote:

> On Fri, Dec 19, 2003 at 08:11:44AM -0800, Matt Zimmerman wrote:
> > On Fri, Dec 19, 2003 at 03:36:55PM +0100, Bill Allombert wrote:
> > 
> > > I have upgraded from 2.4.22-5um-1 to 2.4.22-7um-1 and now 
> > > user-mode-linux fail to start with 
> > > 
> > > NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> > > VFS: Mounted root (ext2 filesystem) readonly.
> > > FATAL: cannot determine library version
> > 
> > Strange.  I think this error message comes from ld.so.
> 
> You are right.  From the source , this message com from
>  sysdeps/unix/sysv/linux/dl-osinfo.h in the following macro:
> 
> #define DL_SYSDEP_OSCHECK(FATAL) \
>   do {                                                                        \
>     /* Test whether the kernel is new enough.  This test is only              \
>        performed if the library is not compiled to run on all                 \
>        kernels.  */                                                           \
> 
> The UML filesystem is woody.

This is probably another symptom of the same bug; something is returning
-ENOSYS _sometimes_.

-- 
 - mdz


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