Can't umount / at shutdown
I've added a probe in the umount rc script to see what's opened just
before trying to umount filesystems. I can see the following
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
init 1 root cwd DIR 3,6 4096 2 /
init 1 root rtd DIR 3,6 4096 2 /
init 1 root txt REG 3,6 31368 512223 /sbin/init
init 1 root mem REG 3,6 90152 416218 /lib/ld-2.3.2.so
init 1 root mem REG 3,6 1279044 320309 /lib/tls/libc-2.3.2.so
init 1 root 10u FIFO 3,6 176334 /dev/initctl
migration 2 root cwd DIR 3,6 4096 2 /
migration 2 root rtd DIR 3,6 4096 2 /
ksoftirqd 3 root cwd DIR 3,6 4096 2 /
ksoftirqd 3 root rtd DIR 3,6 4096 2 /
events/0 4 root cwd DIR 3,6 4096 2 /
events/0 4 root rtd DIR 3,6 4096 2 /
kblockd/0 5 root cwd DIR 3,6 4096 2 /
kblockd/0 5 root rtd DIR 3,6 4096 2 /
khubd 6 root cwd DIR 3,6 4096 2 /
khubd 6 root rtd DIR 3,6 4096 2 /
khelper 7 root cwd DIR 3,6 4096 2 /
khelper 7 root rtd DIR 3,6 4096 2 /
pdflush 8 root cwd DIR 3,6 4096 2 /
pdflush 8 root rtd DIR 3,6 4096 2 /
pdflush 9 root cwd DIR 3,6 4096 2 /
pdflush 9 root rtd DIR 3,6 4096 2 /
kswapd0 10 root cwd DIR 3,6 4096 2 /
kswapd0 10 root rtd DIR 3,6 4096 2 /
aio/0 11 root cwd DIR 3,6 4096 2 /
aio/0 11 root rtd DIR 3,6 4096 2 /
cifsoploc 17 root cwd DIR 3,6 4096 2 /
cifsoploc 17 root rtd DIR 3,6 4096 2 /
kseriod 138 root cwd DIR 3,6 4096 2 /
kseriod 138 root rtd DIR 3,6 4096 2 /
shpchpd_e 703 root cwd DIR 3,6 4096 2 /
shpchpd_e 703 root rtd DIR 3,6 4096 2 /
pciehpd_e 718 root cwd DIR 3,6 4096 2 /
pciehpd_e 718 root rtd DIR 3,6 4096 2 /
rc 2187 root cwd DIR 3,6 4096 2 /
rc 2187 root rtd DIR 3,6 4096 2 /
rc 2187 root txt REG 3,6 628684 32014 /bin/bash
rc 2187 root mem REG 3,6 90152 416218 /lib/ld-2.3.2.so
rc 2187 root mem REG 3,6 252592 416247 /lib/libncurses.so.5.4
rc 2187 root mem REG 3,6 9432 320311 /lib/tls/libdl-2.3.2.so
rc 2187 root mem REG 3,6 1279044 320309 /lib/tls/libc-2.3.2.so
rc 2187 root mem REG 3,6 30576 320315
/lib/tls/libnss_compat-2.3.2.so
rc 2187 root mem REG 3,6 74264 320314
/lib/tls/libnsl-2.3.2.so
rc 2187 root mem REG 3,6 34948 320319
/lib/tls/libnss_nis-2.3.2.so
rc 2187 root mem REG 3,6 35288 320317
/lib/tls/libnss_files-2.3.2.so
rc 2187 root 0u CHR 5,1 176041 /dev/console
rc 2187 root 1u CHR 5,1 176041 /dev/console
rc 2187 root 2u CHR 5,1 176041 /dev/console
rc 2187 root 255r REG 3,6 2717 544093 /etc/init.d/rc
S40umount 2395 root cwd DIR 3,6 4096 2 /
S40umount 2395 root rtd DIR 3,6 4096 2 /
S40umount 2395 root txt REG 3,6 628684 32014 /bin/bash
S40umount 2395 root mem REG 3,6 90152 416218 /lib/ld-2.3.2.so
S40umount 2395 root mem REG 3,6 252592 416247 /lib/libncurses.so.5.4
S40umount 2395 root mem REG 3,6 9432 320311 /lib/tls/libdl-2.3.2.so
S40umount 2395 root mem REG 3,6 1279044 320309 /lib/tls/libc-2.3.2.so
S40umount 2395 root mem REG 3,6 30576 320315
/lib/tls/libnss_compat-2.3.2.so
S40umount 2395 root mem REG 3,6 74264 320314
/lib/tls/libnsl-2.3.2.so
S40umount 2395 root mem REG 3,6 34948 320319
/lib/tls/libnss_nis-2.3.2.so
S40umount 2395 root mem REG 3,6 35288 320317
/lib/tls/libnss_files-2.3.2.so
S40umount 2395 root 0u CHR 5,1 176041 /dev/console
S40umount 2395 root 1u CHR 5,1 176041 /dev/console
S40umount 2395 root 2u CHR 5,1 176041 /dev/console
S40umount 2395 root 255r REG 3,6 583 544108 /etc/init.d/umountfs
lsof 2401 root cwd DIR 3,6 4096 2 /
lsof 2401 root rtd DIR 3,6 4096 2 /
lsof 2401 root txt REG 3,6 115192 544956 /usr/bin/lsof
lsof 2401 root mem REG 3,6 90152 416218 /lib/ld-2.3.2.so
lsof 2401 root mem REG 3,6 1279044 320309 /lib/tls/libc-2.3.2.so
lsof 2401 root 0u CHR 5,1 176041 /dev/console
lsof 2401 root 1w REG 3,6 33 130315 /var/log/reboot.log
lsof 2401 root 2u CHR 5,1 176041 /dev/console
lsof 2401 root 3r DIR 0,3 0 1 /proc
lsof 2401 root 4r DIR 0,3 0 157351945 /proc/2401/fd
lsof 2401 root 5w FIFO 0,7 8662 pipe
lsof 2401 root 6r FIFO 0,7 8663 pipe
lsof 2402 root cwd DIR 3,6 4096 2 /
lsof 2402 root rtd DIR 3,6 4096 2 /
lsof 2402 root txt REG 3,6 115192 544956 /usr/bin/lsof
lsof 2402 root mem REG 3,6 90152 416218 /lib/ld-2.3.2.so
lsof 2402 root mem REG 3,6 1279044 320309 /lib/tls/libc-2.3.2.so
lsof 2402 root 4r FIFO 0,7 8662 pipe
lsof 2402 root 7w FIFO 0,7 8663 pipe
What is preventing the umount?
Thanks
Pau Capdevila
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