2.2.11: unkillable, perpetually-sleeping rpciod

Camm Maguire (camm@enhanced.com)
07 Sep 1999 13:46:34 -0400

Greetings! The kernel has all of the patches listed on Alan Cox's
errata page for 2.2.11. When running autofs, and having an NFS mount
expire, the autofs daemon is unable to umount the corresponding
directory because of this stuck rpciod process. Here's what I have:

=============================================================================
intech4:~# uname -a
uname -a
Linux intech4 2.2.11 #2 Tue Aug 24 10:37:49 EDT 1999 i486 unknown
intech4:/proc/284# lsof |grep mnt/i5
lsof |grep mnt/i5
rpciod 284 root cwd DIR 0,5 0 1 /mnt/i5
intech4:~# ps ax |grep rpciod
ps ax |grep rpciod
284 ? SW 9:30 (rpciod)
8284 p2 S 0:00 grep rpciod
intech4:~# kill -9 284
kill -9 284
intech4:~# ps ax |grep rpciod
ps ax |grep rpciod
284 ? SW 9:30 (rpciod)
8286 p2 S 0:00 grep rpciod
intech4:~# cd /proc/284
cd /proc/284
intech4:/proc/284# ls -l
ls -l
ls: exe: No such file or directory
total 0
-r--r--r-- 1 root root 0 Sep 7 13:10 cmdline
lrwx------ 1 root root 0 Sep 7 13:10 cwd -> /mnt/i5
-r-------- 1 root root 0 Sep 7 13:10 environ
lrwx------ 1 root root 0 Sep 7 13:10 exe
dr-x------ 2 root root 0 Sep 7 13:10 fd
pr--r--r-- 1 root root 0 Sep 7 13:10 maps
-rw------- 1 root root 0 Sep 7 13:10 mem
lrwx------ 1 root root 0 Sep 7 13:10 root -> /
-r--r--r-- 1 root root 0 Sep 7 13:10 stat
-r--r--r-- 1 root root 0 Sep 7 13:10 statm
-r--r--r-- 1 root root 0 Sep 7 13:10 status
intech4:/proc/284# cat status
cat status
Name: rpciod
State: S (sleeping)
Pid: 284
PPid: 8113
Uid: 0 0 0 0
Gid: 0 0 0 0
Groups:
SigPnd: 0000000000000000
SigBlk: fffffffffffffeff
SigIgn: 0000000000000000
SigCgt: 0000000000000000
CapInh: 00000000fffffeff
CapPrm: 00000000fffffeff
CapEff: 00000000fffffeff
intech4:/proc/284# cat stat
cat stat
284 (rpciod) S 8113 1 1 0 -1 80 24 295 129 1090 0 57068 0 0 0 0 0 0 6468 0 0 2147483647 3221225472 3222972224 0 0 0 0 2147483391 0 0 3246707197 0 0 17 0
intech4:/proc/284# cat statm
cat statm
0 0 0 0 0 0 0
intech4:/proc/284# cat mem
cat mem
cat: mem: No such process
intech4:/proc/284# ls fd
ls fd
intech4:/proc/284# cat maps
cat maps
intech4:/proc/284# cat cmdline
cat cmdline
intech4:/proc/284# cat environ
cat environ
intech4:/proc/284# cat exe
cat exe
cat: exe: No such file or directory
intech4:/proc/284#
=============================================================================

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