On Thu, May 22, 2008 at 09:49:32PM +0200, vincent-perrier wrote:
> si_errno and si_code are both zeros, I am sad to say.

That doesn't necessarily mean there's no information.  zero might mean
the signal came from a process.

Can you strace it?

Also, send me the full siginfo?  There might be something in .si_pid
and .si_user.

As for your gdb problem:
> Locating the top of the address space ...
> Program received signal SIGSEGV, Segmentation fault.
> 0x0806a1cd in page_ok (page=0) at
> arch/um/os-Linux/sys-i386/task_size.c:31

UML is causing segfaults on purpose, which gdb doesn't really expect.

Do
        (gdb) handle SIGSEGV pass nostop noprint
to tell gdb to ignore them.

               Jeff

-- 
Work email - jdike at linux dot intel dot com

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