Am 14.03.2014 16:31, schrieb James Greig: > Just happened again so I've killed pop3d and started with gdb
oh no - the stop makes the problem go away try the script below and replace "imapd" with "pop3d" the idea behind is find the *thread* which hangs and backtrace that one that was used to find "Fixed critical spinlock when appending empty string" http://git.dbmail.eu/paul/dbmail/commit/?h=dbmail_3_1&id=b93924f9238506ea69dc23c66898ddaa9380e36d _______________________________________________________ #!/bin/bash MAXCPU=20 IMAPPID=`pidof dbmail-imapd` # find busy threads BUSY=`top -H -b -n1 -p $IMAPPID|grep 'pool'|awk '{if ($9 > $MAXCPU) print $1}'|head -1` if [ -n "$BUSY" ]; then # generate a gdb commandfile tmpfile=`mktemp` echo 'bt' > $tmpfile # get a backtrace gdb --batch -x $tmpfile -p $BUSY > dbmail-debug-backtrace.$BUSY.txt rm -f $tmpfile fi
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