For me, and a few of my friends, FC3 has two different kinds of
problems regarding CDs:
1/ it no longer burns CDs correctly. ie. they are un-usable.
2/ you can't use dd or md5sum to accurately read or check CDs.
I used the following commands to erase/record (as Xcdroast invoked them)...
cdrecord dev= /dev/cdrom gracetime=2 -v -eject speed=4 blank=fast
cdrecord dev= /dev/cdrom gracetime=2 fs=4096k driveropts=burnfree -v
-useinfo speed=4 -dao -eject -pad -data
/root/KNOPPIX_V3.7-2004-12-08-EN.iso
==================================================
Here is a summary of my investigations:
- I boot with the older kernel (2.6.9-1.677) and I can burn a CD
and read it with dd and I get the correct MD5
- Burning with the later kernel, and the CD's are bad.
- 2.6.8.-1.681_FC3 causes problems
read with (exact sector count)
2.6.9-1.677 2.6.8.-1.681_FC3
burned with =========== ================
===========
2.6.9-1.677 OK OK
2.6.8.-1.681_FC3 bad bad
using a 2.6.9-1.677 burn...
read with (no sector count)
2.6.9-1.677 2.6.8.-1.681_FC3
=========== ================
sectors read: 326441 326441
It should have read 326426 2Kbyte sectors)
==================================================
Does anyone care to comment?
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