Processes Hanging

[William L Stube II]

Had to wait about a month for the machine to start going nuts again, but 
the WCHAN column says inode.

Any ideas?

Thanks,
Bill

USER       PID %CPU %MEM   VSZ  RSS  TT  STAT STARTED      TIME COMMAND 
            UID   PID  PPID CPU PRI NI   VSZ  RSS WCHAN  STAT  TT 
TIME COMMAND
www      73970  0.0  0.7  4108 2872  ??  D     8:00AM   0:00.03 
/usr/local/sbin/    80 73970     1   0 -14  0  4108 2872 inode  D     ?? 
    0:00.03 /usr/local/sbin/httpd
www      73972  0.0  0.7  4124 2880  ??  D     8:02AM   0:00.05 
/usr/local/sbin/    80 73972     1   0 -14  0  4124 2880 inode  D     ?? 
    0:00.05 /usr/local/sbin/httpd
www      74002  0.0  0.7  3920 2516  ??  D     8:09AM   0:00.01 
/usr/local/sbin/    80 74002     1   0 -14  0  3920 2516 inode  D     ?? 
    0:00.01 /usr/local/sbin/httpd
www      74003  0.0  0.7  4108 2900  ??  D     8:09AM   0:00.03 
/usr/local/sbin/    80 74003     1   0 -14  0  4108 2900 inode  D     ?? 
    0:00.03 /usr/local/sbin/httpd

Marc G. Fournier wrote:
> What does ps axul show, specifically for the WCHAN column on those
> processes?
> 
> 
> On Fri, 12 Sep 2003, William L Stube II wrote:
> 
> 
>>I am having a problem with processes hanging up after some amount of
>>time.  The machine starts up, runs fine for some length of time, then
>>httpd processes start hanging around.  All of which appear to be waiting
>>for disk.
>>
>>www      12484  0.0  0.7  3948 2620  ??  D     3:43AM   0:00.02
>>/usr/local/sbin/httpd
>>www      12574  0.0  0.7  3936 2552  ??  D     4:17AM   0:00.01
>>/usr/local/sbin/httpd
>>www      12576  0.0  0.7  3936 2552  ??  D     4:18AM   0:00.01
>>/usr/local/sbin/httpd
>>www      12577  0.0  0.7  3936 2552  ??  D     4:18AM   0:00.01
>>/usr/local/sbin/httpd
>>www      12578  0.0  0.8  4108 2960  ??  D     4:18AM   0:00.03
>>/usr/local/sbin/httpd
>>
>>This time, the processes hung after about 3 days since my last hard
>>reset.  The time before that it was about 18 days.  When I attempt to
>>reboot the machine just sits there.  I have to power the machine off for
>>  it to actually restart.
>>
>>Any suggestions?
>>
>>Thanks,
>>
>>Bill
>>
>>FreeBSD foo.org 4.8-STABLE FreeBSD 4.8-STABLE #0: Thu Aug  7 09:21:32
>>CDT 2003     root at foo.org:/usr/obj/usr/src/sys/molpe48s  i386
>>
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