Re: [Gluster-devel] epoll.c bug

[Anand Avati]

Thierry,
 what kernel version are you using? it seems like a misbehaving epoll(). can
you give a log of dmesg?

avati


>>   for (i=0; i < ret; i++) {
> >>    if ( ectx->evs[i].events )     /**** This test was missing ****/
> >>     epoll_notify (ectx->evs[i].events,
> >>                   ectx->evs[i].data.ptr);
> >>   }
>
> Without the test, 'epoll_notify' was called with a NULL
> value for 'ectx->evs[i].data.ptr'. So it made a 'segmentation fault'.
>
> It's very hard for me to give you more information because on
> this computer I can't make 'gdb' and 'ltrace' works.
> And the system doesn't make 'core dumps' even with 'ulimit -c'.
>
> Attaching 'gdb' on a running 'glusterfsd' process kill it.
>
> As I compiled 'gdb' and 'ltrace' myself, I am not sure about
> the source of the problem.
>
> And 'valgrind' doesn't work for ARM processor :-(
>
> So I put many 'printf' in the sources to search the problem.
>
> Sincerely yours.
> - --
> Thierry.EXCOFFIER@@liris.univ-lyon1.fr//   GO: Oriental Strategy Game
> LIRIS/UFR Informatique, bat710       //DYLAN: Programming Language
> Universite Claude Bernard LYON 1  __// UNIX: Standard Operating System
> 43 Bd du 11 novembre 1918       //
> 69622 VILLEURBANNE, FRANCE     //WWW: http://www710.univ-lyon1.fr/~exco
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.3 (GNU/Linux)
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
>
> iD8DBQFHKvldt3isrRKbS8oRAi3YAKCz8q5/zZAwzFOzudLql4d24e38lACg0E/S
> bG/YElknRf3aSTf/GdCHe0Y=
> =F1MB
> -----END PGP SIGNATURE-----
>
>
> _______________________________________________
> Gluster-devel mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/gluster-devel
>



-- 
It always takes longer than you expect, even when you take into account
Hofstadter's Law.

-- Hofstadter's Law