Re: [uml-devel] Re: uml-patch-2.6.0

[M A Young <m.a.young@durham.ac.uk>]

On Fri, 16 Jan 2004, Jeff Dike wrote:

> m.a.young@durham.ac.uk said:
> > Actually, I am no longer convinced the lack of these syscalls cause
> > the problem directly; I think there is something else in recent glibcs
> > that cause the kernel to hang, at least in tt mode, though it is
> > probably related.
>
> Maybe, but it's a definite problem.  However, the segfaults people were seeing
> with 2.6.1 may be gone since that was a separate problem which is fixed in
> the 2.6.1 patch.

I have been trying to debug the problem with tt mode and very recent
glibcs, and what seems to be happening is that early on in the glibc start
up code for /sbin/init (after 3 syscalls), there is a segv signal;
handle_page_fault returns -14, probably becuase the fault address
(beffe018) is bogus, but the segfault seems to repeat endlessly. I am not
sure if this is a glibc or a uml issue, or something else.

	Michael Young


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