gs-esp dies when it is called by cups

For now I'm not able to print anything using a (very old) DeskJet720C with
pnm2ppa driver.
It does work with Hoary which is installed in a different partition.
I tried to print out of Acroread and Firefox with the same result, so it
should'nt be anything application related.

ioerror and "illegal seek" sounds to me a bit like a harddisk error, but I
did'nt have any other trouble with it yet, so it's hard to believe in that but I
will check it as soon as I can, too.
BTW I got the same results using gs-gpl which is a different binary, so the
harddisk error is even harder to believe...

My cups errorlog says the following in debug-mode. (I'm trying to print over
network, to other cups-server):
------------------------------------------------------------------------------------------------------------
D [05/Oct/2005:21:22:07 +0200] [Job 2] Starting renderer
D [05/Oct/2005:21:22:07 +0200] [Job 2] JCL: <job data>
D [05/Oct/2005:21:22:07 +0200] [Job 2]
D [05/Oct/2005:21:22:07 +0200] [Job 2] renderer PID kid4=17248
D [05/Oct/2005:21:22:07 +0200] [Job 2] renderer command: gs -q -dNOPAUSE
-dPARANOIDSAFER -dBATCH -r600 -sDEVICE=ppmraw -sOutputFile=- - | pnm2ppa -v 720
 -B 2 -t 10 -b 150 -l 10 -r 10 -x 160 -y 50 -i - -o -
D [05/Oct/2005:21:22:07 +0200] [Job 2] perl: warning: Setting locale failed.
D [05/Oct/2005:21:22:07 +0200] [Job 2] perl: warning: Please check that your
locale settings:
D [05/Oct/2005:21:22:07 +0200] [Job 2] LANGUAGE = (unset),
D [05/Oct/2005:21:22:07 +0200] [Job 2] LC_ALL = (unset),
D [05/Oct/2005:21:22:07 +0200] [Job 2] LANG = "de"
D [05/Oct/2005:21:22:07 +0200] [Job 2] are supported and installed on your system.
D [05/Oct/2005:21:22:07 +0200] [Job 2] perl: warning: Falling back to the
standard locale ("C").
D [05/Oct/2005:21:22:07 +0200] [Job 2] foomatic-gswrapper: gs '-dNOPAUSE'
'-dPARANOIDSAFER' '-dBATCH' '-r600' '-sDEVICE=ppmraw' '-sOutputFile=/dev/fd/3'
'/dev/fd/0' 3>&1 1>&2
D [05/Oct/2005:21:22:07 +0200] [Job 2] ESP Ghostscript 7.07 (2003-07-12)
D [05/Oct/2005:21:22:07 +0200] [Job 2] Copyright 2003 artofcode LLC and Easy
Software Products, all rights reserved.
D [05/Oct/2005:21:22:07 +0200] [Job 2] This software comes with NO WARRANTY: see
the file PUBLIC for details.
D [05/Oct/2005:21:22:07 +0200] [Job 2]
D [05/Oct/2005:21:22:07 +0200] [Job 2] Closing renderer
D [05/Oct/2005:21:22:09 +0200] [Job 2] Error: /ioerror in --.outputpage--
D [05/Oct/2005:21:22:09 +0200] [Job 2] Operand stack:
D [05/Oct/2005:21:22:09 +0200] [Job 2] 1 true
D [05/Oct/2005:21:22:09 +0200] [Job 2] Execution stack:
D [05/Oct/2005:21:22:09 +0200] [Job 2] %interp_exit .runexec2
--nostringval-- --nostringval-- --nostringval-- 2 %stopped_push
--nostringval-- --nostringval-- --nostringval-- false 1 %stopped_push
  1 3 %oparray_pop 1 3 %oparray_pop 1 3 %oparray_pop .runexec2
  --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push
--nostringval-- 0 6 %oparray_pop --nostringval-- --nostringval--
--nostringval-- --nostringval--
D [05/Oct/2005:21:22:09 +0200] [Job 2] Dictionary stack:
D [05/Oct/2005:21:22:09 +0200] [Job 2] --dict:1056/1417(ro)(G)--
--dict:0/20(G)-- --dict:78/200(L)-- --dict:35/89(L)--
--dict:87/162(ro)(L)-- --dict:64/78(ro)(L)--
D [05/Oct/2005:21:22:09 +0200] [Job 2] Current allocation mode is local
D [05/Oct/2005:21:22:09 +0200] [Job 2] Last OS error: 32
D [05/Oct/2005:21:22:09 +0200] [Job 2] ESP Ghostscript 7.07.1: Unrecoverable
error, exit code 1
D [05/Oct/2005:21:22:09 +0200] [Job 2] renderer return value: 1
D [05/Oct/2005:21:22:09 +0200] [Job 2] renderer received signal: 1
D [05/Oct/2005:21:22:09 +0200] [Job 2] Process dying with "Possible error on
renderer command line or PostScript error. Check options.", exit stat: 3
D [05/Oct/2005:21:22:09 +0200] [Job 2] error: Illegal seek (29)
D [05/Oct/2005:21:22:09 +0200] [Job 2] Possible error on renderer command line
or PostScript error. Check options.
D [05/Oct/2005:21:22:09 +0200] [Job 2] tail process done writing data to STDOUT
D [05/Oct/2005:21:22:09 +0200] [Job 2] KID4 finished
D [05/Oct/2005:21:22:09 +0200] [Job 2] KID3 exited with status 3
D [05/Oct/2005:21:22:09 +0200] [Job 2] Renderer exit stat: 3
D [05/Oct/2005:21:22:09 +0200] [Job 2] Renderer process finished
D [05/Oct/2005:21:22:09 +0200] [Job 2] Killing process 17247 (KID3)
D [05/Oct/2005:21:22:09 +0200] [Job 2] Process dying with "Error closing
renderer", exit stat: 3
D [05/Oct/2005:21:22:09 +0200] [Job 2] error: Illegal seek (29)
D [05/Oct/2005:21:22:09 +0200] [Job 2] Error closing renderer
E [05/Oct/2005:21:22:09 +0200] PID 17240 stopped with status 3!
...