Alle 22:16, mercoledì, 5. luglio 2006, hai scritto:
> On Wed, Jul 05, 2006 at 08:24:42PM +0200, Josef Spillner wrote:
> > Hello,
> >
> > after finding a combination of kernel and root fs which don't throw
> > NPTL-related errors on me (like the ones linked on the "new" webpages
> > do), working inside UML is all fine but I cannot get the eth0 interface
> > up. This is on a standard Debian/sarge host system (kernel 2.4.27 without
> > any patches like SKAS)
> >
> > No matter which kernel I use, including various flavours of 2.4.27,
> > 2.6.14 and 2.6.16, whenever "ifconfig eth0 up" is executed, the kernel
> > will hang. Even
>
> probably UML doesn't find the uml_net executable which is installed in a
> location where UML doesn't expect it (/usr/lib/uml instead of
> /usr/bin). Also watch out for the group/owner of that file, the user
> running UML must belong to the uml-net group.

The uml_net helper tool was indeed in /usr/lib/uml, and moving it fixed the 
hang. Isn't there a better error indiciation than just hanging in the case of 
the utility not being present?

> Moreover you'd probably benefit from trying the 2.6.17 uml kernel as it
> both searches uml_net in /usr/lib/uml and supports TLS.

Apparently it's not that easy:
# ./2.6.17-linode21 ubda=FedoraCore5-x86-root_fs
...
cannot set up thread-local storage: set_thread_area failed when setting up 
thread-local storage

Happens with the precompiled kernel from nagafix.co.uk also. So I guess it's a 
misconfiguration, but I couldn't find any TLS-related config option in the 
provided file.

Josef

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