bug in pipes for linux emul 2.6.16 ?

[Chagin Dmitry]

On Tue, Jan 20, 2009 at 03:26:13PM +0100, Arno J. Klaassen wrote:
> 
> Hello,
> 
> I still have this problem when bootstrapping gentoo; I upgraded
> to recent -current, applied futex patch
> ( http://people.freebsd.org/~timur/dchagin/mega-head.linux.patch ),
> but still same behaviour; e.g. for building libIDL :
> 
>   bison -y -d -v 2>/dev/null ./parser.y
> 
> hangs, a ps axlww in another (native) terminal showing :
> 
>     0  4171  1726   0  76  0  2576  1736 ppwait D+     0    0:00.02
>       make (gmake)
>     0  4172  4171   0  76  0  3316  2548 wait   I+     0    0:00.01
>       /bin/sh -c bison -y -d -v 2>/dev/null ./parser.y (bash)
>     0  4173  4172   0  76  0  3044  1988 ppwait D+     0    0:00.02
>       bison -y -d -v ./parser.y
>     0  4174  4173   0  76  0  2432  1556 piperd I+     0    0:00.01
>       /usr/bin/m4 /usr/share/bison/m4sugar/m4sugar.m4 -
>       /usr/share/bison/yacc.c
> 
> 
> Should I file a PR for this? Does someone have a suggestion of
> some kern.ipc or other sysctl to play with (for memory :
> "i486-linux-gcc -pipe " shows the same behaviour on some files
> whilst working correctly on the majority ...
> 
> Thank you in advance, Arno
> 

Please tell how I can repeat this problem for myself? that you do?

-- 
Have fun!
chd