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SubjectRe: dvd mounting troubles
On Mon, Oct 09, 2000 at 11:22:44PM +0200, Jens Axboe wrote:
> On Mon, Oct 09 2000, Rick Haines wrote:
> > I'm having real trouble mounting a dvd (udf filesystem) in my Pioneer
> > 104S drive. It usually failes with:
> > mount: wrong fs type, bad option, bad superblock on /dev/dvd,
> > or too many mounted file systems
> > but it succeeds sometimes. For a while I've been inserting the dvd,
>
> This sounds suspiciously like a hardware issue, to be honest. Does ide-cd
> print anything interesting to the logs when this happens? I've had nothing
> but pleasant experiences with Pioneer drives, they are definitely some
> of the better drives out there.

It works fine in Win2k. After reading Andre's comment I think it could
be a udf problem as well because iso9660 cd's work fine. In fact, after
mounting an iso9660 cdr I can now mount dvd's every try.

Here's an unsuccessful mount (followed by a successful):

Oct 9 14:09:38 sasami kernel: VFS: Disk change detected on device ide0(3,64)
Oct 9 14:09:38 sasami kernel: UDF-fs DEBUG (lowlevel.c, 65):
udf_get_last_session: CDROMMULTISESSION not supported: rc=-5
Oct 9 14:09:38 sasami kernel: UDF-fs DEBUG (super.c, 1316):
udf_read_super: Multi-session=0
Oct 9 14:09:38 sasami kernel: UDF-fs DEBUG (misc.c, 302):
udf_read_tagged: block=256, location=256: read failed
Oct 9 14:09:38 sasami kernel: UDF-fs DEBUG (super.c, 1325):
udf_read_super: Lastblock=0
Oct 9 14:09:38 sasami kernel: UDF-fs DEBUG (super.c, 389): udf_vrs:
Starting at sector 16 (2048 byte sectors)
Oct 9 14:09:38 sasami kernel: UDF-fs DEBUG (super.c, 1080):
udf_check_valid: Failed to read byte 32768. Assuming open disc. Skipping validity check
Oct 9 14:09:38 sasami kernel: UDF-fs DEBUG (super.c, 1132):
udf_load_partition: No Anchor block found
Oct 9 14:09:38 sasami kernel: UDF-fs: No partition found (1)
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (lowlevel.c, 65):
udf_get_last_session: CDROMMULTISESSION not supported: rc=-5
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (super.c, 1316):
udf_read_super: Multi-session=0
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (misc.c, 302):
udf_read_tagged: block=256, location=256: read failed
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (super.c, 1325):
udf_read_super: Lastblock=0
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (super.c, 389): udf_vrs:
Starting at sector 16 (2048 byte sectors)
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (super.c, 1080):
udf_check_valid: Failed to read byte 32768. Assuming open disc. Skipping validity check
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (super.c, 1132):
udf_load_partition: No Anchor block found
Oct 9 14:09:40 sasami kernel: UDF-fs: No partition found (1)
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (lowlevel.c, 65):
udf_get_last_session: CDROMMULTISESSION not supported: rc=-5
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (super.c, 1316):
udf_read_super: Multi-session=0
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (misc.c, 302):
udf_read_tagged: block=256, location=256: read failed
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (super.c, 1325):
udf_read_super: Lastblock=0
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (super.c, 389): udf_vrs:
Starting at sector 16 (2048 byte sectors)
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (super.c, 1080):
udf_check_valid: Failed to read byte 32768. Assuming open disc. Skipping validity check
Oct 9 14:09:40 sasami kernel: UDF-fs DEBUG (super.c, 1132):
udf_load_partition: No Anchor block found
Oct 9 14:09:40 sasami kernel: UDF-fs: No partition found (1)


Here's the successful one (same DVD, this is after mounting an iso9660
disc):


Oct 9 21:07:52 sasami kernel: VFS: Disk change detected on device ide0(3,64)
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (lowlevel.c, 65):
udf_get_last_session: CDROMMULTISESSION not supported: rc=-5
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 1316):
udf_read_super: Multi-session=0
Oct 9 21:07:52 sasami kernel: attempt to access beyond end of device
Oct 9 21:07:52 sasami kernel: 03:40: rw=0, want=2147483138, limit=638822
Oct 9 21:07:52 sasami kernel: attempt to access beyond end of device
Oct 9 21:07:52 sasami kernel: 03:40: rw=0, want=2147483026, limit=638822
Oct 9 21:07:52 sasami kernel: attempt to access beyond end of device
Oct 9 21:07:52 sasami kernel: 03:40: rw=0, want=2147483646, limit=638822

[...]

Oct 9 21:07:52 sasami kernel: attempt to access beyond end of device
Oct 9 21:07:52 sasami kernel: 03:40: rw=0, want=2147482834, limit=638822
Oct 9 21:07:52 sasami kernel: attempt to access beyond end of device
Oct 9 21:07:52 sasami kernel: 03:40: rw=0, want=2147482722, limit=638822
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 1325):
udf_read_super: Lastblock=0
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 389): udf_vrs:
Starting at sector 16 (2048 byte sectors)
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 416): udf_vrs:
ISO9660 Primary Volume Descriptor found
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 425): udf_vrs:
ISO9660 Volume Descriptor Set Terminator found
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 739):
udf_load_pvoldesc: recording time 966331442/0, 2000/08/15 18:24 (121c)
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 749):
udf_load_pvoldesc: volIdent[] = 'KSXA23991'
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 756):
udf_load_pvoldesc: volSetIdent[] = '290f4301'
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 856):
udf_load_logicalvol: Partition (0) type 1
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 912):
udf_load_logicalvol: FileSet found in LogicalVolDesc at block=0, partition=0
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 786):
udf_load_partdesc: Searching map: (0 == 0)
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 835):
udf_load_partdesc: Partition (0:0 type 1511) starts at physical 262, block length 2035249
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 1136):
udf_load_partition: Using anchor in block 256
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 711):
udf_find_fileset: Fileset at block=0, partition=0
Oct 9 21:07:52 sasami kernel: UDF-fs DEBUG (super.c, 772):
udf_load_fileset: Rootdir at block=2, partition=0
Oct 9 21:07:52 sasami kernel: UDF-fs INFO UDF 0.9.1 (2000/02/29)
Mounting volume 'KSXA23991', timestamp 2000/08/15 05:24 (1f10)

--
Rick (rick@kuroyi.net)
http://www.kuroyi.net

I think the slogan of the fansubbers puts
it best: "Cheaper than crack, and lots more fun."
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