Date: Tue, 16 May 2017 09:12:29 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r318342 - user/pho/stress2/misc Message-ID: <201705160912.v4G9CTRl026479@repo.freebsd.org>
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Author: pho Date: Tue May 16 09:12:29 2017 New Revision: 318342 URL: https://svnweb.freebsd.org/changeset/base/318342 Log: Add the bug report number which inspired this scenario and tune the disk size. Sponsored by: Dell EMC Isilon Modified: user/pho/stress2/misc/gjournal3.sh Modified: user/pho/stress2/misc/gjournal3.sh ============================================================================== --- user/pho/stress2/misc/gjournal3.sh Tue May 16 09:08:23 2017 (r318341) +++ user/pho/stress2/misc/gjournal3.sh Tue May 16 09:12:29 2017 (r318342) @@ -31,6 +31,9 @@ # Deadlock seen: http://people.freebsd.org/~pho/stress/log/gjournal3.txt # Fixed in r244925 +# panic: Bio not on queue +# https://people.freebsd.org/~pho/stress/log/gjournal3-2.txt + # kib@ wrote: # gjournal is good for exposing the suspension problems. The frequency # of the suspensions called from the gjournal is not achievable by other @@ -38,17 +41,26 @@ # only establishes the suspension, without snapshotting, which also # makes it easier to see the issues. +# gjournal / ffs snapshot suspension deadlock: +# https://people.freebsd.org/~pho/stress/log/gjournal3-4.txt +# Originally reported as kern/164252. + [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 . ../default.cfg -size="2g" +[ `swapinfo | wc -l` -eq 1 ] && exit 0 +size="6g" +jsize="4g" +[ $((`sysctl -n hw.usermem` / 1024 / 1024 / 1024)) -le ${size%g} ] && exit 0 +[ `swapinfo -k | tail -1 | awk '{print int($4/1024/1024)}'` -lt \ + ${size%g} ] && exit 0 mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint -mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart +[ -c /dev/mdmd$mdstart ] && mdconfig -d -u $mdstart mdconfig -a -t swap -s $size -u $mdstart || exit 1 gjournal load -gjournal label md$mdstart +gjournal label -s $jsize md$mdstart sleep .5 newfs -J /dev/md$mdstart.journal > /dev/null mount -o async /dev/md$mdstart.journal $mntpoint
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