Date: Wed, 31 Oct 2007 09:34:30 -0700 From: Yuri <yuri@rawbw.com> To: freebsd-questions@freebsd.org Cc: yuri@tsoft.com Subject: Getting errors writing large iso image to DVD (bug in atapi driver?) Message-ID: <1193848470.4728ae96f115f@webmail.rawbw.com>
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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% :-[ WRITE@LBA=21df50h 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 yet. 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? Thanks, Yuri FreeBSD xxx.xxx.xxx 6.2-STABLE FreeBSD 6.2-STABLE #9: Tue Oct 2 01:27:22 PDT 2007 yuri@xxx.xxx.xxx:/usr/obj/usr/src/sys/GENERIC i386
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