Subject: Re: "parked" processes hell: debug available..
To: None <firstname.lastname@example.org>
From: Steven M. Bellovin <email@example.com>
Date: 09/18/2007 11:01:02
On Tue, 18 Sep 2007 16:06:09 +0200
Markus W Kilbinger <firstname.lastname@example.org> wrote:
> >>>>> "Nick" == Nick Hudson <email@example.com> writes:
> >> http://mail-index.netbsd.org/current-users/2007/09/10/0018.html
> >> > > I've been speaking with Nick and the problem is understood,
> >> > > basically gcc is generating assembly which breaks the
> >> > > restartable sequences in libpthread. Stay tuned.
> >> >
> >> > Ah, that does sound like it could be the problem. I "fixed"
> >> > this problem on my server by compiling libpthread with
> >> > COPTS="-O0" for the time being.
> >> Many thanks! this worked for me too (thus far).
> >> I hacked my libpthread/Makefile to add -O0 for now.
> Nick> Most arches are fixed with pthread_lock.c:1.28. I'm working
> Nick> on making this more robust.
> With this recent change my cobalt qube2 seems to run fine again (esp.
> pthread related).
Unless I made a mistake in testing this morning, it was *awful* for
me. I had to copy over a libpthread from an Aug 22 build, because my
mailer was 100% unusable. (I'm certain about a build from yesterday; I
tried a partial rebuild this morning and may have made some mistake
--Steve Bellovin, http://www.cs.columbia.edu/~smb