[OpenAFS] Killing defunct afs processes [was: 1.3.80 won't make on Gentoo Linux i386 2.6.11-r3]

Horst Birthelmer horst@riback.net
Thu, 24 Mar 2005 15:41:44 +0100


On Mar 24, 2005, at 3:34 PM, Kevin wrote:

> On Wed, 2005-03-23 at 20:52 -0500, Derrick J Brashear wrote:
>
>> Change inode to ip on that line and the next line.
>
> Thanks, Derrick.  That fixed it.
>
> While I'm here, can someone offer me any pointers on killing defunct
> (and related) afs processes?  I'm still having problems with running
> 1.3.80 as a server and I frequently end up with defunct afs processes
> that won't die after being sent a signal 9 with kill -9 or killall -9.
> The only way I know to do it now is rebooting and that's getting old
> fast.
>

The processes you were trying to kill are from a crashed _client_ and 
there is no known way of getting rid of them than rebooting.
(At least no way known to me ;-) )

The Server doesn't use any kernel stuff on linux so any process will 
terminate on a signal 9.

> Eg.
>
> root     27834  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_rxlistener]
> root     27836  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_callback]
> root     27845  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     27847  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     27849  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     27851  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     27853  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     27855  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_cachetrim]
> root     27936  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     27938  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     27940  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     27942  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     27944  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     27946  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_cachetrim]
> root     28017  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     28019  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     28021  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     28024  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     28026  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_cachetrim]
> root     28031  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     28098  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     28100  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     28102  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     28105  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     28107  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_cachetrim]
> root     28112  0.0  0.0      0     0 ?        S    07:09   0:00
> [afs_background]
> root     28232  0.0  0.0      0     0 ?        S    07:11   0:00
> [afs_background]
> root     28234  0.0  0.0      0     0 ?        S    07:11   0:00
> [afs_background]
> root     28236  0.0  0.0      0     0 ?        S    07:11   0:00
> [afs_background]
> root     28238  0.0  0.0      0     0 ?        S    07:11   0:00
> [afs_background]
> root     28240  0.0  0.0      0     0 ?        S    07:11   0:00
> [afs_background]
> root     28242  0.0  0.0      0     0 ?        S    07:11   0:00
> [afs_cachetrim]
> root     29336  0.0  0.0   1904   768 pts/6    S    07:45
> 0:00 /usr/sbin/afsd -fakestat -stat 2800 -dcache 2400 -daemons 5
> -volumes 128 -nosettime
> root     29337  0.0  0.0      0     0 pts/6    Z<   07:45   0:00 [afsd]
> <defunct>
> root     29338  0.0  0.0      0     0 pts/6    Z    07:45   0:00 [afsd]
> <defunct>
> root     29339  0.0  0.0      0     0 ?        S    07:45   0:00
> [afs_cbstart]
> root     29340  0.0  0.0      0     0 pts/6    Z<   07:45   0:00 [afsd]
> <defunct>
> root     29341  0.0  0.0      0     0 ?        S    07:45   0:00
> [afs_evtstart]
>
> These have all been sent signal 9 multiple times with kill -9 PID or
> killall -9 process_name.
>
> TIA for any suggestions
>
> -- 
> -Kevin
> http://www.gnosys.us
>
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