cannot find scsi cdrom

Cedrik · 08-11-2004, 04:57 AM

One good practice when configuring kernel is to disable the CONFIG_MODVERSIONS feature.

Whan you say The config file points to config-ide-2.4.26, which config do you talk ? The one in /boot? If yes, it does not matter.

I would re-configure kernel without mod version, re-compile, re-install it and see if it works.

mm3000 · 08-11-2004, 05:03 AM

Cedrik, it is the one in the /boot.
How do I dis-able CONFIG_MODVERSIONS feature. Does this happen before I re-configure the kernel.

Cedrik · 08-11-2004, 05:08 AM

No, it is at the configure step, with make menuconfig or make xconfig, up to you...

go to Loadable module support ---> and make sure that :

Enable loadable module support is set
Module unloading is set
Forced module unloading is set (or is not set, that does not matter, for me it is not set)
Module versioning support is not set
Automatic kernel module loading is set

mm3000 · 08-11-2004, 05:15 AM

Ok Cedrik I will give that a go. Will that update the /boot/config file?
Cheers

Cedrik · 08-11-2004, 05:19 AM

Well try to follow kernel compile guide as you ask some basic question (and it is normal when beginning to learn it).

The /boot/config link is created by hand, for my part I don't use the kernel Makefile to install kernel with make install. So after a kernel compile, I used to copy the .config file to /boot and rename it accordingly to the kernel version, then I delete and remake the /boot/config link so it points to the new config file.

mm3000 · 08-18-2004, 07:52 AM

Ok finally recomplied the kernel to 2.6.8.1. Now when I dmesg | grep SCSI I get

Code:

SCSI subsystem initialized

Now how do I get slack to see my scsi cdrom, is the a ./configure or make that I have not found yet. Scanbus still gives me

Code:

root@linux:/# cdrecord -scanbus
Cdrecord-Clone 2.01a34 (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg Schilling
cdrecord: No such file or directory. Cannot open '/dev/pg*'. Cannot open SCSI driver.
cdrecord: For possible targets try 'cdrecord -scanbus'.
cdrecord: For possible transport specifiers try 'cdrecord dev=help'.

Any ideas??

samwwwblack · 08-18-2004, 09:41 AM

Is there a /dev/sr0 or /dev/cdrom? If there is just

su
ln -s /dev/cdrom /dev/pg0

where /dev/cdrom is you're cdrom drive (it could be /dev/hdc /dev/sr0 etc), and then retry cdrecord -scanbus as root

If it picks it up, then as root

mcedit /etc/udev/rules.d/udev.rules and change it to the following:

# permissions for IDE CD devices
#BUS="ide", KERNEL="*[!0-9]", PROGRAM="/bin/cat /proc/ide/%k/media", RESULT="cdrom*", NAME="%k", GROUP="cdrom", MODE="0777" SYMLINK="pg0 dvd"

# permissions for SCSI cd/sg/tape devices
BUS="scsi", KERNEL="s[grt][0-9]*", SYSFS_type="5", NAME="%k", GROUP="cdrom", MODE="0777", SYMLINK="cdrom dvd pg%n"

Hopefully this'll work for you (and it appears right with people more worthy than myself

),
Cheers, Sam

mm3000 · 08-19-2004, 04:54 AM

still no luck,but thanks samwwwblack. Now I think it has to do with the advansys drivers, not starting at boot, which stops the cdrom from being found. Will try recomple again with new drivers. and see how it goes.
cheers

mm3000 · 08-19-2004, 07:37 AM

Thanks everybody for all your help, I have finally fixed it. I recomplyed 2.6.7 with advansys drivers and now it works.
Again thanks to everybody who took the time to help me.
Cheers