Date: Mon, 13 Oct 2014 18:56:05 -0700 From: Joseph Olatt <joji@shellx.eskimo.com> To: freebsd-questions@freebsd.org Subject: panic: softdep_deallocate_dependencies: unrecovered I/O error Message-ID: <20141014015604.GA21563@shellx.eskimo.com>
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On an old Thinkpad T42 running the following: FreeBSD peanuts 10.0-RELEASE-p9 FreeBSD 10.0-RELEASE-p9 #0: Mon Sep 15 14:32:29 UTC 2014 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC i386 it kept crashing while trying to populate the ports tree (svnlite checkout https://svn0.../ports/head /usr/ports). The panic message was: panic: softdep_deallocate_dependencies: unrecovered I/O error The core.txt.* file is at: http://www.eskimo.com/~joji/core.txt.2 Searching the archives led me to bump the value of kern.bio_transient_maxcnt from 177 -> 1416 (a random value; 177 * 8). That stopped the crashes and I was able to run the entire ports tree population with a hitch. I'm wondering if there are other folks who have experienced the same problem and if the default value of kern.bio_transient_maxcnt in the 10.x release should be higher than the 177 I had.
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