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SubjectRe: 2.4.10ac10, cdrecord 1.9-6, Mitsumi CR-4804TE: lock up burning too large image
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> Ok. I updated to 1.10 from redhat rawhide, but as said it didn't work at all
> with 2.2 ("failed to mmap /dev/null" or something) so I went back to 1.9. I
> could retry now that I've updated the machine in question to 2.4. (I can
> also see if the 2.2 /dev/null error reproduces if you are interested.) I'll
> retry too large image with 1.10 and report back to you, but I fear it is a
> kernel bug.

I believe I ran into this same cdrecord "fail to mmap /dev/null" issue
before. The fix (aside from upgrading your kernel to 2.4.x) is to pass
"fs=0" to cdrecord. According to the docs, this disables the in-memory FIFO.

Cheers,
Paul Kreiner
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