[OpenAFS] Openafs 1.2.5/Linux 2.4.18 problem (dd bs>1500kb)

[Valentin v. Seggern]

Hi,
 
I believe there is a strange bug in Openafs 1.2.5.
 
I do "dd if=/dev/zero  of=/afs/rz/somewhere bs=1500k count=10" it
works well.
 
Everything below that works fine, too. I can increase count as well
but as soon as I raise bs to bs=2048k dd will not work anymore
(starting with count=3). I can not kill the process nor can I stop
afs (dd is still using /afs). The only solution is rebooting.
 
I experience this on Linux 2.4.18 and Openafs 1.2.5.
 
I start afsd with -memcache -daemons 2 -volumes 50 -stat 300
-logfile /var/log/afs. 

dd runs directly on the afs server. /var/log/afs is emtpy and afs is 
not reporting errors in any of the logfiles.
 
On another unrelated computer (Linux 2.2.19, Openafs 1.2.1, -stat
300 -dcache 100 -daemons 2 -volumes 50 w/o diskcache) this works quite
well.
 
So is this a diskcache/openafs or linux kernel problem?
 
Thanks,
Valentin

-- 
Until the color of a man's skin is of no more significance 
than the color of his eyes - everywhere is war.

http://www.germanistik.fu-berlin.de/~luisxiv/