I've been finding problems with supermount'ed CDROMs where it seems to
forget media is inserted - or at least cannot find *some* of the files
on it. This usually manifests itself by XMMS skipping a load of tracks
that are there. An ls of the directory will list the files but with a
"not found!" error message at the end.

A dump of dmesg gives:

UDF-fs DEBUG lowlevel.c:57:udf_get_last_session: XA disk: no,
vol_desc_start=0
UDF-fs DEBUG super.c:1426:udf_read_super: Multi-session=0
UDF-fs DEBUG super.c:415:udf_vrs: Starting at sector 16 (2048 byte
sectors)
UDF-fs DEBUG super.c:442:udf_vrs: ISO9660 Primary Volume Descriptor
found
UDF-fs DEBUG super.c:445:udf_vrs: ISO9660 Supplementary Volume
Descriptor found
UDF-fs DEBUG super.c:451:udf_vrs: ISO9660 Volume Descriptor Set
Terminator found
UDF-fs: No VRS found
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
end_request: I/O error, dev 02:00 (floppy), sector 0
sr0: CDROM not ready.  Make sure there is a disc in the drive.
cdrom: open failed.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
cdrom: open failed.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
cdrom: open failed.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
cdrom: open failed.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
cdrom: open failed.
end_request: I/O error, dev 02:00 (floppy), sector 0
sr0: CDROM not ready.  Make sure there is a disc in the drive.
cdrom: open failed.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
cdrom: open failed.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
cdrom: open failed.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
cdrom: open failed.
sr0: CDROM not ready.  Make sure there is a disc in the drive.
cdrom: open failed.
UDF-fs DEBUG lowlevel.c:57:udf_get_last_session: XA disk: no,
vol_desc_start=0
UDF-fs DEBUG super.c:1426:udf_read_super: Multi-session=0
UDF-fs DEBUG super.c:415:udf_vrs: Starting at sector 16 (2048 byte
sectors)
UDF-fs DEBUG super.c:442:udf_vrs: ISO9660 Primary Volume Descriptor
found
UDF-fs DEBUG super.c:445:udf_vrs: ISO9660 Supplementary Volume
Descriptor found
UDF-fs DEBUG super.c:451:udf_vrs: ISO9660 Volume Descriptor Set
Terminator found
UDF-fs: No VRS found
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root

Which doesn't tell me much. Any ideas? Where does the the sr0 come from,
my CD-Burner is a different drive?

-- 
Alex Bennee
Senior Hacker, Braddahead Ltd
The above is my personal opinion and probably not the opinion or policy
of my employer


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