Mount Rainier CD-RW problems.

Mount Rainier CD-RW problems.

[Doug Holland]

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I'm running kernel 2.6.4, from the Debian source packages, and also with Con 
Kolivas' desktop performance patchset.

I'm trying to get Mount Rainier CD-RW writing working.  The drive is a 
generically rebranded LITE-ON COMBO LTC-48161H combo DVD/CD-RW drive, which 
is supposed to have Mt. Rainier support.  The drive works fine for reading 
CD-ROMs, writing non Mt. Rainier CD-Rs, audio CDs, DVDs, etc.

I formatted a CD-RW using cdmrw, then tried mounting it and copying files to 
it.  It pretends to work, but when I do an ls to see the files I supposedly 
wrote, I get a lot of permission denied errors.  If I umount the disk then 
remount it, the files are missing.

I checked /var/log/syslog and got a lot of this:

Mar 17 13:41:37 localhost vmunix: hdc: tray open
Mar 17 13:41:37 localhost vmunix: end_request: I/O error, dev hdc, sector 
12032
Mar 17 13:41:37 localhost vmunix: UDF-fs DEBUG 
fs/udf/inode.c:1317:udf_update_inode: bread failure
Mar 17 13:42:03 localhost kernel: hdc: tray open
Mar 17 13:42:03 localhost kernel: end_request: I/O error, dev hdc, sector 6016
Mar 17 13:42:03 localhost kernel: UDF-fs DEBUG 
fs/udf/inode.c:1317:udf_update_inode: bread failure

as well as 

ar 17 13:45:48 localhost vmunix: VFS: busy inodes on changed media.
Mar 17 13:46:03 localhost vmunix: UDF-fs DEBUG 
fs/udf/misc.c:286:udf_read_tagged: location mismatch block 1505, tag 
2863311530 != 97
Mar 17 13:46:03 localhost vmunix: udf: udf_read_inode(ino 1505) failed !bh
Mar 17 13:46:03 localhost vmunix: UDF-fs DEBUG 
fs/udf/misc.c:286:udf_read_tagged: location mismatch block 1572, tag 
4294967295 != 164
Mar 17 13:46:03 localhost vmunix: udf: udf_read_inode(ino 1572) failed !bh
Mar 17 13:46:03 localhost vmunix: UDF-fs DEBUG 
fs/udf/misc.c:286:udf_read_tagged: location mismatch block 1635, tag 
2863311530 != 227
Mar 17 13:46:03 localhost vmunix: udf: udf_read_inode(ino 1635) failed !bh
Mar 17 13:46:03 localhost vmunix: UDF-fs DEBUG 
fs/udf/misc.c:286:udf_read_tagged: location mismatch block 1940, tag 
2863311530 != 532

Any idea what's going on?

Doug

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