From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from adelie.ubuntu.com (adelie.ubuntu.com [82.211.81.139]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id B7DD567DB6 for ; Sat, 28 Oct 2006 02:22:42 +1000 (EST) Subject: Re: glibc-2.5 test suite hangs/crashes the machine From: Jeff Bailey To: Fabio Massimo Di Nitto In-Reply-To: <45419F79.2020300@ubuntu.com> References: <45419F79.2020300@ubuntu.com> Content-Type: text/plain; charset=utf-8 Date: Fri, 27 Oct 2006 12:22:33 -0400 Message-Id: <1161966154.18515.1.camel@localhost.localdomain> Mime-Version: 1.0 Cc: Ben Collins , Paul Mackerras , linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Le vendredi 27 octobre 2006 =C3=A0 07:56 +0200, Fabio Massimo Di Nitto a =C3=A9crit : > Hi everybody, >=20 > i am in the process of bootstrapping the new toolchain for ubuntu and I a= m > hitting a problem building glibc-2.5 on ppc. >=20 > This behaviour has been reproduced on 2.6.15/2.6.17 and 2.6.19-rc2 (where= the > machine crashes) and with ppc32 and ppc64 kernels. > A hard reboot of the machine is required to get rid of the Zl processes h= anging > around that keep spinning the CPU at 100%. >=20 > I did place sources here: http://people.ubuntu.com/~fabbione/benh/ >=20 > but i start to believe it is a kernel bug we are exploiting only now. >=20 > Any hint or help for what to look for would be extremely appreciated. Heya Fabio, just an update, it looks like the tests that are zombie'ing are the nptl tst-robust[1-8] tests. According to /proc/##/wchan, the tasks are cheerfully spinning in do_exit. If there's other info I can get you, lemme know. --=20 Jeff Bailey Manager, Technical Support Canonical Ltd. - Sales, Service, and Support. +1 514 940-8910 http://www.ubuntu.com/