Date: Sun, 15 Jun 1997 14:46:11 +0200 From: j@uriah.heep.sax.de (J Wunsch) To: hackers@FreeBSD.ORG Cc: julian@whistle.com (Julian Elischer) Subject: Re: BSD2.2 (a while ago) and ppwait state Message-ID: <19970615144611.AD50958@uriah.heep.sax.de> In-Reply-To: <339E0785.2781E494@whistle.com>; from Julian Elischer on Jun 10, 1997 19:03:49 -0700 References: <339E0785.2781E494@whistle.com>
next in thread | previous in thread | raw e-mail | index | archive | help
As Julian Elischer wrote: > Does anyone know why we are seeing this on a machine > with kernels several months old? > I don't remember discussion of this.. > > basically, processes start freezing (after 6 hours) > in 'ppwait' state, which appears to be related to vfork. John's vfork optimization caused a hang in libc's (buggy) popen(3) implementation. Look into the CVS history of src/lib/libc/gen/popen.c, or bring your sys/kern/kern_fork.c to rev. 1.38 (supposedly). -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19970615144611.AD50958>