The problem I have is with a zip drive and the sd_mod.o module.
I have the following setup
zip drive automounting on /.automount/zip (autofs v3)
symlink from /.automount/zip to /mnt/zip
this means I can list the /mnt directory and it mounts all available
drives.
However If the zip drive is turned off (parallel ppa.o drive)
the following is the output of /sbin/lsmod:
Module Size Used by
sd_mod 10204 0 (autoclean) (unused)
parport_pc 11792 0 (autoclean)
parport 14752 0 (autoclean) [parport_pc]
scsi_mod 62396 1 (autoclean) [sd_mod]
serial 41220 2 (autoclean)
nfs 82328 2 (autoclean)
lockd 53276 1 (autoclean) [nfs]
sunrpc 61028 1 (autoclean) [nfs lockd]
autofs 12244 1 (autoclean)
via-rhine 10044 1 (autoclean)
as expected, sd_mod and the parallel modules are loaded, however if I run
the command
/sbin/rmmod sd_mod
as root, there is a complete lockup of the computer (no opps)
X completely locks up.
If it was executed in a standard virtual terminal I can switch to another
terminal, but after entering my user name, i never get the password
prompt.
If however a zip disk can be mounted (disk inserted, drive on) then the
modules act fine and they can be removed properly.
This has happened for quite a few kernels recently, certainly all 2.3.99
kernels.
The machine is a pretty standard Redhat 6.2, with 2.3.99-pre7-pre6
I will of course supply any other information needed.
Please CC me to cehf2@cam.ac.uk as I am not on the mailing list.
Thanks
Crispin
*Windows leads to anger, Anger leads to hate, Hate leads to Linux*
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