hi,
I have 2 problems related to reading IRIX EFS cd's.
-------problem 1:
mounting an EFS cd from my Yamaha CDR-4416S SCSI CDRW consistently
causes a lockup when i try to read directory/file data from the CD. I
observed this initially with EFS CDR's, and assumed something had
gone wrong when burning that CD. But the exact same thing happens
with original SGI IRIX media. I have no problems with any of my EFS
CDs when accesed from an ATAPI CDROM.
i havn't been able to capture an oops, but the following made it to
the remote syslog host:
Oct 30 18:48:29 fogarty kernel: EFS: 1.0a -
http://aeschi.ch.eu.org/efs/
Oct 30 18:48:44 fogarty kernel: scsi0 channel 0 : resetting for
second half of retries.
Oct 30 18:48:44 fogarty kernel: SCSI bus is being reset for host 0
channel 0.
Oct 30 18:48:44 fogarty kernel: scsi0: Sending Bus Device Reset CCB
#10912 to Target 4
Oct 30 18:48:44 fogarty kernel: scsi0: Bus Device Reset CCB #10912 to
Target 4 Completed
Oct 30 18:48:44 fogarty kernel: Device 0b:00 not ready.
Oct 30 18:48:44 fogarty kernel: I/O error: dev 0b:00, sector 1233661
Oct 30 18:48:44 fogarty kernel: EFS: readdir(): failed to read dir
block 0
Oct 30 18:48:44 fogarty kernel: Device 0b:00 not ready.
Oct 30 18:48:44 fogarty kernel: I/O error: dev 0b:00, sector 1215956
Oct 30 18:48:44 fogarty kernel: EFS: readdir(): failed to read dir
block 0
Oct 30 18:48:44 fogarty kernel: Device 0b:00 not ready.
Oct 30 18:48:44 fogarty kernel: I/O error: dev 0b:00, sector 1236972
Oct 30 18:48:44 fogarty kernel: EFS: readdir(): failed to read dir
block 0
Oct 30 18:48:44 fogarty kernel: Device 0b:00 not ready.
Oct 30 18:48:44 fogarty kernel: I/O error: dev 0b:00, sector 1243717
Oct 30 18:48:44 fogarty kernel: EFS: readdir(): failed to read dir
block 0
Oct 30 18:48:44 fogarty kernel: Device 0b:00 not ready.
Oct 30 18:48:44 fogarty kernel: I/O error: dev 0b:00, sector 48130
Oct 30 18:48:44 fogarty kernel: EFS: readdir(): failed to read dir
block 0
<box is locked>
------problem 2:
My IDE CDROM under ide-scsi emulation does not like trying to mount
EFS CDs, here are the logs of multiple mount attempts:
Oct 31 00:06:50 fogarty kernel: EFS: 1.0a -
http://aeschi.ch.eu.org/efs/
Oct 31 00:06:50 fogarty kernel: sr.c:Bad 2K block number requested (0
1) I/O error: dev 0b:01, sector 0
Oct 31 00:06:50 fogarty kernel: EFS: cannot read volume header
Oct 31 00:06:53 fogarty kernel: Device not ready. Make sure there is
a disc in the drive.
Oct 31 00:06:56 fogarty kernel: Device not ready. Make sure there is
a disc in the drive.
Oct 31 00:06:59 fogarty kernel: Device not ready. Make sure there is
a disc in the drive.
Oct 31 00:07:20 fogarty kernel: sr.c:Bad 2K block number requested (0
1) I/O error: dev 0b:01, sector 0
Oct 31 00:07:20 fogarty kernel: EFS: cannot read volume header
Oct 31 00:07:32 fogarty kernel: ide-scsi: hdd: unsupported command in
request queue (0)
Oct 31 00:07:32 fogarty kernel: end_request: I/O error, dev 16:40
(hdd), sector 0
Oct 31 00:07:32 fogarty kernel: EFS: cannot read volume header
Oct 31 00:07:49 fogarty kernel: sr.c:Bad 2K block number requested (0
1) I/O error: dev 0b:01, sector 0
Oct 31 00:07:49 fogarty kernel: EFS: cannot read volume header
Oct 31 00:07:56 fogarty kernel: sr.c:Bad 2K block number requested (0
1) I/O error: dev 0b:01, sector 0
Oct 31 00:07:56 fogarty kernel: EFS: cannot read volume header
after this the CDROM behaves strange (gtoaster can't read data track,
which it could before), until i put another disk (eg audio) into it
first.
-----------------------
result:
to mount an EFS cd i have to use my IDE CDROM in ATAPI mode, as the
SCSI CDRW locks the machine.
then to burn an EFS cd i have to reboot and set my ATAPI CDROM to use
ide-scsi emulation - if i want to mount the CD for any reason i have
to reboot again to get the IDE CDROM back to pure ATAPI mode, then
reboot again for ide-scsi to burn a cd... slightly frustrating. :)
the devices are:
[root@fogarty xinetd.d]# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 04 Lun: 00
Vendor: YAMAHA Model: CRW4416S Rev: 1.0g
Type: CD-ROM ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: CREATIVE Model: CD2422E MC102 Rev: 1.02
Type: CD-ROM ANSI SCSI revision: 02
please contact me if you need further debugging info.
regards,
-- Paul Jakma paul@clubi.ie PGP5 key: http://www.clubi.ie/jakma/publickey.txt ------------------------------------------- Fortune: %DCL-MEM-BAD, bad memory VMS-F-PDGERS, pudding between the ears- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Oct 31 2000 - 21:00:30 EST