* huangql [2014-12-24 17:46:19 +0800]:
> I failed to restart afs service after I changed OPTIONS value in
> /etc/sysconfig/afs file.
What was the old value, and what did you change it to?
> At this time, I need to reboot the machine to make the new configuration
> validate.
Are you saying that afsd crashes on service restart but not when it is started
for the first time after a reboot (with the same options)?
> Openafs version: 1.6.5
A bit old. You may want to check the change logs of later versions for
potentially relevant bug fixes.
> Os version: Scientific Linux release 6.5 (Carbon) 2.6.32-431.el6.x86_64
>
> I got the error message as following:
>
> [root@bws0609 ~]# /etc/init.d/afs restart
> Stopping AFS client.....
> Sending all processes using /afs the TERM signal ... [ OK ]
> Sending all processes using /afs the KILL signal ... [ OK ]
> Starting AFS client.....
> /etc/init.d/afs: line 230: 26271 Segmentation fault /usr/vice/etc/afsd
> ${AFSD_OPTIONS}
Has a core file been left behind? If so, could you extract a backtrace from it?
> Dec 24 17:30:29 bws0609 kernel: Starting AFS cache scan...
> Dec 24 17:30:29 bws0609 kernel: afsd[26271]: segfault at 18 ip
> 0000003736679753 sp 00007fff5f346fa0 error 4 in
> libc-2.12.so[3736600000+18a000]
To me this looks like an attempt to dereference a null pointer to a struct
(with the component of interest being at offset 0x18). A backtrace might
help one figure out where that unexpected null pointer came from.
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