Date: Thu, 13 Mar 2008 20:56:06 +0100 (CET) From: Oliver Fromme <olli@lurza.secnetix.de> To: freebsd-stable@FreeBSD.ORG, w41ter@gmail.com Subject: Re: [7.0] /bin/sh segfaulting during boot Message-ID: <200803131956.m2DJu6Er023804@lurza.secnetix.de> In-Reply-To: <frbldu$uoi$1@ger.gmane.org>
next in thread | previous in thread | raw e-mail | index | archive | help
walt <w41ter@gmail.com> wrote: > Oliver Fromme wrote: > > walt<w41ter@gmail.com> wrote: > > > I'm now running RELENG_7 on three x86 machines, but (only) one of > > > them is behaving badly during bootup. > > > > > > Once the rc.d scripts start to run, I see /bin/sh crashing dozens of > > > times before I finally see the login prompt. A few of the normal > > > processes actually start okay, like ppp and named (this is my home > > > firewall), but many normal daemons like syslogd and sendmail are > > > not running. > > > > Last time I had symptoms like that, it turned out to > > be bad RAM. > > I suspected the same, so I ran memtest86 overnight with no errors. That's not a guarantee for no RAM problems (though it's a strong indication). > I compiled sh with debugging symbols -- and it won't crash so I > still can't get a backtrace. Very frustrating. But at least I > have a working sh :o) Maybe a bit toggled on your disk inside the sh binary, and the disk failed to detect and/or report the error. GELI and ZFS are supposed to detect such silent disk corruption, so maybe you might want to use one of them. Best regards Oliver -- Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung: secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün- chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd "Python is an experiment in how much freedom programmers need. Too much freedom and nobody can read another's code; too little and expressiveness is endangered." -- Guido van Rossum
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200803131956.m2DJu6Er023804>