Re: 64-bit kernel broken.

On Tue, 2007-02-06 at 17:20 -0500, Carlos O'Donell wrote:
> Run this test:
> http://www.parisc-linux.org/~carlos/tst-sigqueue.c
> 
> On a 32-bit userspace, with a 64-bit 2.6.18 kernel and the test exits with 0.
> 
> carlos@firin:~$ ./tst-sigqueue
> in f
> pid = 1429
> new thread: 1429
> carlos@firin:~$ echo $?
> 0
> 
> Run it with a 64-bit 2.6.20 kernel and you get an error.
> 
> carlos@firin:~$ ./tst-sigqueue
> in f
> pid = 31148
> new thread: 31148
> expected PID 31148, got si_pid 1000
> carlos@firin:~$ echo $?
> 1
> 
> Signal structure compat with a 64-bit kernel has been broken.

That may be a potential explanation for our boot hang with SMP
kernels ... I suspected it might be a signalling issue in the shell
script.

James