Other Trouble mounting DVD-R

Y

YuryG

I've got data DVD disc,
Code: 
# dvd+rw-mediainfo /dev/cd0
INQUIRY:                [Optiarc ][DVD RW AD-7200S ][1.0A]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         11h, DVD-R Sequential
 Media ID:              CMC MAG. AM3
 Current Write Speed:   16.0x1385=22160KB/s
 Write Speed #0:        16.0x1385=22160KB/s
 Write Speed #1:        12.0x1385=16620KB/s
 Write Speed #2:        8.0x1385=11080KB/s
 Write Speed #3:        6.0x1385=8310KB/s
 Write Speed #4:        4.0x1385=5540KB/s
GET [CURRENT] PERFORMANCE:
 Write Performance:     6.6x1385=9141KB/s@0 -> 16.0x1385=22160KB/s@2297888
 Speed Descriptor#0:    03/2297888 R@16.0x1385=22160KB/s W@16.0x1385=22160KB/s
 Speed Descriptor#1:    03/2297888 R@12.0x1385=16620KB/s W@12.0x1385=16620KB/s
 Speed Descriptor#2:    00/2297888 R@8.0x1385=11080KB/s W@8.0x1385=11080KB/s
 Speed Descriptor#3:    00/2297888 R@8.0x1385=11080KB/s W@6.0x1385=8310KB/s
 Speed Descriptor#4:    00/2297888 R@5.0x1385=6925KB/s W@4.0x1385=5540KB/s
READ DVD STRUCTURE[#10h]:
 Media Book Type:       00h, DVD-ROM book [revision 0]
 Legacy lead-out at:    2298496*2KB=4707319808
READ DVD STRUCTURE[#0h]:
 Media Book Type:       25h, DVD-R book [revision 5]
 Last border-out at:    2045*2KB=4188160
READ DISC INFORMATION:
 Disc status:           appendable
 Number of Sessions:    2
 State of Last Session: empty
 "Next" Track:          2
 Number of Tracks:      2
READ TRACK INFORMATION[#1]:
 Track State:           complete incremental
 Track Start Address:   0*2KB
 Free Blocks:           0*2KB
 Track Size:            266448*2KB
 Last Recorded Address: 266447*2KB
READ TRACK INFORMATION[#2]:
 Track State:           invisible incremental
 Track Start Address:   295136*2KB
 Next Writable Address: 295136*2KB
 Free Blocks:           2002752*2KB
 Track Size:            2002752*2KB
FABRICATED TOC:
 Track#1  :             14@0
 Track#AA :             14@266448
 Multi-session Info:    #1@0
READ CAPACITY:          266448*2048=545685504
But when I try to mount it as UDF, I get an error.
Code: 
# mount -t udf /dev/cd0 /mnt/yury
mount_udf: /dev/cd0: Invalid argument
# dmesg | tail
Unsupported partition map: *UDF Virtual Partition
What can it be? And how to mitigate the problem?
 
Alexander88207 said:
Hello,

i do use mount_cd9660 for mounting my CD's maybe its that for what are you looking for?
Click to expand...
Yes, somehow DVD+R with a FreeBSD distribution also mounts for me with cd9660 command version. And it occurred that after a couple of years of unusing, DVD-reader needed some cleaning, it had troubles even with audio CDs. Although neither mount_cd9660 nor mount_udf from base could not read (at least mount) my disc.
I've found a solution to use sysutls/udfclient from ports. (But without cleaning the drive it also had been able to only read the file listing, but not the files themselves. More than that camcontrol stopped working, hanning on commands like eject or reset.)
 
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