John Reiser wrote:
Should I be able to burn CDs?
Burning works properly [in general.]
I'm trying to burn the FC5t2 ISOs and I've tried with GNOME and cdrecord
but they're failing the sha1sum test.
The burning probably worked. Almost certainly, the failure is in
the verifying.
Advice and assistance gratefully received,
Find the Linux kernel IDE maintainer, and shoot him. Literally.
Then perhaps someone else will fix the kernel bug [on the READ side]
that causes this misery. It's been there for over TWO YEARS.
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=131858
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=106685
ide-scsi work[ed], but the maintainer of the ide driver
just cannot bear the thought of fixing this bug.
Yes, the specification of CD-ROM {media + hardware} allows too
much room to create the problem (end-of-recorded-data cannot
be detected reliably to a precision of one 2KB sector),
but ide-scsi dealt with it, and the current ide driver does not.
Instead of using sha1sum to verify, use
dd if=/dev/cdrom bs=2k | cmp - FC5-test1-i386-discN.iso
and check the return code from cmp only, ignoring any complaints
from dd.
Use isosize to determine the number of bytes to read and only cmp with those... also make sure you burned the
CD with -dao ...
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