Can't mount particular CD on last FC3 kernel versions

Andre Brouty Andre.Brouty at enst-bretagne.fr
Mon Mar 14 16:54:43 UTC 2005


Hello,

I have a strange problem mounting particular CD on last
FC3 kernel versions.

I have a CD made in a photo shop. I suspect it's a Kodak Photo CD mode 2 format.

I Can mount and read it perfectly on RedHat 9, FC1 and FC3 old kernel
versions. On last FC3 kernel versions like 2.6.10-1.760_FC3 or
2.6.10-1.770_FC3, I can't mount such CD mode 2 format.

Below a short session to illustrate and show error messages. Is it a bug
added in 2.6.10-1.7xx_FC3 versions ?

Thanks a lot for your help.

------------- begin session ------------
[root at pc-disi-ab2]# cat /etc/redhat-release
Fedora Core release 3 (Heidelberg)
[root at pc-disi-ab2]# uname -sr
Linux 2.6.9-1.681_FC3
[root at pc-disi-ab2]# mount -o ro /dev/cdrom /media/cdrom
[root at pc-disi-ab2]# df  /media/cdrom
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/hdc                102490    102490         0 100% /media/cdrom
[root at pc-disi-ab2]# ls /media/cdrom
appl  autorun.inf  dcim  image.inf
[root at pc-disi-ab2]# umount /media/cdrom
[root at pc-disi-ab2]# reboot

.......

[root at pc-disi-ab2]# cat /etc/redhat-release
Fedora Core release 3 (Heidelberg)
[root at pc-disi-ab2]# uname -sr
Linux 2.6.10-1.770_FC3
[root at pc-disi-ab2]# mount -o ro /dev/cdrom /media/cdrom
/dev/cdrom: Input/output error
mount: /dev/cdrom: can't read superblock
[root at pc-disi-ab2]# dmesg | tail -20
hdc: media error (bad sector): error=0x30
ide: failed opcode was 100
ATAPI device hdc:
   Error: Medium error -- (Sense key=0x03)
   Unrecovered read error -- (asc=0x11, ascq=0x00)
   The failed "Read 10" packet command was:
   "28 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 "
end_request: I/O error, dev hdc, sector 0
Buffer I/O error on device hdc, logical block 0
Buffer I/O error on device hdc, logical block 1
hdc: media error (bad sector): status=0x51 { DriveReady SeekComplete Error }
hdc: media error (bad sector): error=0x30
ide: failed opcode was 100
ATAPI device hdc:
   Error: Medium error -- (Sense key=0x03)
   Unrecovered read error -- (asc=0x11, ascq=0x00)
   The failed "Read 10" packet command was:
   "28 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 "
end_request: I/O error, dev hdc, sector 0
FAT: unable to read boot sector
[root at pc-disi-ab2]#
------------ end session ----------

André





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