I am trying to write iso image to blank DVD-R.
Every time I try (with a new blank disk of course) I get this error:

 4534108160/4691437568 (96.6%) @15.8x, remaining 0:10 RBU 100.0% UBU  53.1%
 :-[ [EMAIL PROTECTED] failed with SK=3h/ASC=0Ch/ACQ=00h]: Input/output error
 :-( write failed: Input/output error
 /dev/pass0: flushing cache
 /dev/pass0: updating RMA
 /dev/pass0: closing disc

And dmesg says:
g_vfs_done():acd0[READ(offset=4290936832, length=65536)]error = 5
acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x11 ascq=0x05
g_vfs_done():acd0[READ(offset=4290936832, length=4096)]error = 5
acd0: FAILURE - READ_BIG MEDIUM ERROR asc=0x11 ascq=0x05
g_vfs_done():acd0[READ(offset=4290940928, length=65536)]error = 5

ISO file is very large, almost at the limit: 4691437568 bytes. (limit is
4700000000+tiny bit).
I use command 'growisofs -dvd-compat -speed=16 -Z /dev/cd0=my.iso' to write.
And my burner is brand new PIONEER DVD-RW DVR-112D 1.21. Burned only 5-6 DVDs 

Why would is such error be reproducible?
I vaguely remember that my old writer (Sony) had similar problem and particular
large iso images were reproducibly failing with the similar message.

Does this suggest that ATAPI driver has some bug?


FreeBSD xxx.xxx.xxx 6.2-STABLE FreeBSD 6.2-STABLE #9: Tue Oct  2 01:27:22 PDT
2007     [EMAIL PROTECTED]:/usr/obj/usr/src/sys/GENERIC  i386
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