cd writing is broken since upgrading to 2.6 kernel
I recently installed the 188.8.131.52 kernel. I did this so I could use a driver for my wireless lan stick, but that's another story...
Since doing this I noticed in my startup messages: ide-scsi is deprecated use ide-cd instead
(or something like that).
After a short google I found that the 2.6 kernel provides ATAPI access directly to cd burners without scsi emulation. Great I thought.. and tried the new setting.
The problem is that although cdrecord and cdrdao are perfectly happy and seem to work, the disks made are bad.
I burnt an audio CD and the sound was popping and buzzing - it certainly wasn't correct. This isn't a one off because I've tried a few times and tried upgrading cdrecord to the newest version etc.
Turning back on ide-scsi emulation solves the problem but I just wondered if anyone else has experienced problems like this.
Maybe it's my aged CD burner - a TEAC CD-W54E. ??
Any comments appreciated.
Go to www.k3b.org and read under News section.
K3B won't work with kernel 2.6.8.
Apparently kernel 2.6.8 also has a memory leak that causes audio CD-s to be baddly burnt.
You have to edit the kernel source to get the cd burner to work in 184.108.40.206
in you linux source source directory edit the file
and comment out lines 196 and 197 as such
/* if (verify_command(file, cmd))
then recompile (delete scsi_ioctl.o or make clean so that this is recompiled) and then it works fine...
This edit remooves a new security feature introduced in 220.127.116.11 and make it opperate like previous kernels - which is better than running k3b as root...
The issue for me was never running as root. Actually I only ever use cdrecord and cdrdao from the command line (as root) anyway. The new 18.104.22.168 setuid security feature doesn't affect me - I don't use a gui like k3b.
From what I've seen the problem I'm having doesn't seem to be affecting anyone else. I can burn a CD with no errors or memory issues but the CD turns out to be a coaster!
I wonder whether I've screwed up the kernel config - it's not a totally straightforward transition from 2.4 to 2.6 series kernels.
I would suggest going to kernel 2.6.7 to try and minimize the possible problems and figure if it's your cd burner or the kernel... 2.6.7 doesn't have the features which confuse the issue.
It doesn't matter if you don't use K3b (it's just frontend for cdrecord, cdrdao etc.).
Problem you have is kernel bug (in 2.6.8 and 22.214.171.124).
Try instaling 2.6.9rc or 2.6.7.
Just to let you guys know that I've gone back to 2.6.7 kernel.
Everything works fine without having to use ide-scsi.
Thanks for your help. Hopefully this issue is fixed in future kernel releases.
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