Running -STABLE from May 15th, if I do an 'ls /usr', it works ... if I do
an 'ls /vm', it hangs .. the machine doesn't hang, as far as I can tell,
all the web sites are accessible, and there are no errors in
/var/log/messages .. I have soft-updates disabled on that file system, and
iostat is showing the drive array to be quite idle:
tty da0 pass0 pass1 cpu
tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni sy in id
0 35 0.00 0 0.00 0.00 0 0.00 0.00 0 0.00 13 0 14 1 73
0 8 9.62 30 0.28 0.00 0 0.00 0.00 0 0.00 4 0 3 0 93
0 8 15.00 2 0.03 0.00 0 0.00 0.00 0 0.00 7 0 1 0 92
0 8 15.00 4 0.06 0.00 0 0.00 0.00 0 0.00 3 0 1 0 96
0 8 15.77 30 0.46 0.00 0 0.00 0.00 0 0.00 0 0 2 0 97
I can run 'df', but I can't run 'df -t ufs', as that too just hangs ...
According to ps axl, I have the following in WCHAN states:
neptune# ps axl | awk '{print $9}' | sort | uniq -c
6 -
1 WCHAN
207 accept
103 inode
2 kqread
412 lockf
68 nanslp
8 pause
1 piperd
13 poll
3 psleep
58 sbwait
1 sched
626 select
1 syncer
3 ttyin
1 vlruwt
8 wait
Thoughts? Does anything above look like its 'hanging' or 'locking' the file
system? A few minutes later, there are a few variations:
neptune# ps axl | awk '{print $9}' | sort | uniq -c
6 -
1 WCHAN
207 accept
129 inode
426 lockf
67 nanslp
8 pause
1 piperd
13 poll
3 psleep
61 sbwait
1 sched
622 select
1 syncer
3 ttyin
1 vlruwt
9 wait
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