On Tuesday 26 May 2009 18:27:44 roucaries bastien wrote:
> proc file are not seekable. Try to open it with mcedit and it will
> hang. Could you after the hang ls some other file on the sshfs system
> or the whole mount point is hang ?
>
> If you could it is a feature, if you could not it is a bug.

Ah!!! They all went into 'D' State:

 4928 pts/1    S<     0:00 cat
 4931 ?        S<s    0:00 sshd: r...@pts/2
 4934 pts/2    S<s    0:00 -bash
 4938 pts/2    D<+    0:00 ls /var/tmp/foo/tmp
 4940 ?        S<s    0:00 sshd: r...@pts/3
 4942 pts/3    S<s    0:00 -bash
 4946 pts/3    D<+    0:00 ls /var/tmp/foo/
 4948 ?        S<s    0:00 sshd: r...@pts/4


Point to note here is that it happened after firing the 'cat' command, which is 
in 'S' state as shown above.

Before executing the cat command (cat </var/tmp/foo/proc/kmsg), ls was 
working. Even an echo to /var/tmp/foo/proc/sysrq-trigger was working.

But why is that?
/proc/kmsg is listed as a regular (0 byte) file.

-r-------- 1 root root 0 2009-05-26 06:25 /proc/kmsg


Ritesh
-- 
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."

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