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Old 05-19-2004, 05:47 AM   #1
Registered: May 2004
Distribution: MDK 9.2 - Kernel 2.4.22mdk
Posts: 108

Rep: Reputation: 15
MDK 9.2 and Kernel 2.6.6 incompatibility

Hi guys, I have just recompiled kernel 2.6.6 and I have found why sound did not work (I selected Virtual Midi driver also and that was the first device Alsa driver looked for, removing it and selecting only my audio chipset everything works fine).

But there's a major problem here.
This kernel does not recgnize supermount file system and does not mount my cdrom.
Here's my fstab:

/dev/hda1 / ext3 noatime 1 1
none /dev/pts devpts mode=0620 0 0
/dev/hda6 /home ext3 noatime 1 2
none /mnt/cdrom supermount dev=/dev/scd0,fs=udf:iso9660,ro,--,iocharset=iso8859-15 0 0
none /proc proc defaults 0 0
/dev/hda5 swap swap defaults 0 0

I have chosen scsi-emulation during configuration for I tought not selecting it could be cause of some problems....but it seems these problems still persist.
This kernel also insists in removing sdc0 and adding hdc....
How should I change fstab in order to properly see cd/cd-r/cd-rw/dvd/dvd-r/dvd-rw?

Thanks alot.

A minor problem is: I cannot scroll with the wheel of my USB mouse, tough the wheel can click. Suggestions?

Old 05-19-2004, 06:07 AM   #2
Senior Member
Registered: Aug 2003
Location: Barcelona, Catalunya
Distribution: Gentoo
Posts: 1,045

Rep: Reputation: 54
AFAIK, you don't need scsi emulation anymore with kernel 2.6 and regarding fstab, cdrom entry should look like:

device mount point file system options 0 0


/dev/scd0 /mnt/cdrom udf,iso9660 supermount,ro,--,iocharset8859-15 0 0

I don't know what the "none" thing mean at the beginning of the line, but does not look quite good to me

Hope this helps
Old 05-19-2004, 06:13 AM   #3
Registered: May 2004
Distribution: MDK 9.2 - Kernel 2.4.22mdk
Posts: 108

Original Poster
Rep: Reputation: 15
Yes, I know scsi emulation is no more needed in 2.6.x kernel tree but MDK looks strange and I have inserted it for compatibility.
Now I modify this fstab and look what happens:

[root@localhost giulio]# mount scd0
mount: impossibile trovare scd0 in /etc/fstab o /etc/mtab

it says it cannot find scd0 in etc/fstab or /etc/mtab

Help me!!! :-(
Old 05-19-2004, 09:38 AM   #4
Andrew Benton
Senior Member
Registered: Aug 2003
Location: Birkenhead/Britain
Distribution: Linux From Scratch
Posts: 2,073

Rep: Reputation: 64
It's not necessary to have an entry in fstab to mount a CD. If I become root I have no problem mounting CD's. As a normal user I can play CD's, watch DVD's, burn CD's, rip CD's, do anything I need with CD's. /etc/fstab has no mention of either CD drive. It's not needed.
If you're having problems with CD's your problems lie elsewhere, possibly in the config options you chose when you compiled the kernel, possibly you need to pass some special option to the kernel at boot time.
Old 05-19-2004, 12:43 PM   #5
Registered: May 2004
Distribution: MDK 9.2 - Kernel 2.4.22mdk
Posts: 108

Original Poster
Rep: Reputation: 15
Ok, well I'm gonna try two options:

1. unchecking Supermount with diskdrake and selecting no automount
2. deleting lines about cd/dvd drives in /etc/fstab

I'll let you know.



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