Running linux ldconfig on tmpfs results in unkillable process
Beat Gätzi
beat at chruetertee.ch
Tue Jan 18 14:16:29 UTC 2011
Hi,
I've a tinderbox which uses tmpfs to build ports. Every time I build a
port which executes linux ldconfig it results in an unkillable process
which uses 100% CPU. The problem is reproduceable without tinderbox:
# uname -a
FreeBSD daedalus.network.local 9.0-CURRENT FreeBSD 9.0-CURRENT #3
r216761: Tue Dec 28 15:32:26 CET 2010
root at daedalus.network.local:/usr/obj/usr/src/sys/GENERIC i386
# mkdir /compat/test
# mount -t tmpfs tmpfs /compat/test
# cp -Rp /compat/linux/* /compat/test/
# mount -t linprocfs linprocfs /compat/test/proc
# /compat/linux/sbin/ldconfig -r /compat/test/
# pgrep ldconfig
3449
# procstat -i 3449 | grep KILL
3449 ldconfig KILL ---
# kill -9 3449
# procstat -i 3449 | grep KILL
3449 ldconfig KILL P--
>From top(1):
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
3449 root 1 44 0 992K 712K CPU1 1 10:06 100.00% ldconfig
When I reboot the machine it hangs after "All buffers synced.".
I've uploaded some additional output of procstat and ktrace here:
http://people.freebsd.org/~beat/logs/linux-ldconfig-tmpfs.txt
Anyone knows how to fix this?
Thanks,
Beat
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