Date: Mon, 10 Mar 2008 16:28:15 -0700 From: walt <w41ter@gmail.com> To: freebsd-stable@freebsd.org Subject: [7.0] /bin/sh segfaulting during boot Message-ID: <fr4g4d$5af$1@ger.gmane.org>
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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. The backtrace for sh.core isn't very helpful because there were no debugging symbols (but I'm recompiling now). I found an old statically-linked sh from 2001 still on the machine, so I substituted it for the current /bin/sh and everything works perfectly. Even the current sh which crashes during boot seems to work fine after I log in -- I can use it to run the rc.d scripts manually with no problems. Any ideas why /bin/sh would crash when being invoked by init, but works fine otherwise? This particular machine is old -- a Cyrix (i486) cpu and only 64MB of RAM -- but it's still stable as a rock. I've already rebuilt world and kernel twice with no problems at all (which took almost a week). Any diagnostic experiments I could try?
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