Hi,
I am having some real problems trying to burn CD's. I bought a CD burner
last summer and to date, have burnt one (1) good CD. All other times,
I've been confronted with a myriad of problems, so much so that I gave up
for awhile. Part of my problem was improper termination but I think I
have that worked out and so I tried last night and locked my machine
twice.
Here is my setup and as much relevant information as I can muster:
CPU: AMD K6-2 300
Motherboard: FIC 503+
Memory: 128Mb PC100 SDRAM
SCSI card: Mylex BT-958
Kernel: 2.2.1
Distribution: Redhat 5.2
SCSI devices: IBM 34560 4.5Gb UW drive, Seagate 8.7Gb drive, Ricoh 6201S
CD-RW
The IBM drive is 68 pin, the others are 50 pine.
Here is my setup graphically:
--------- ------------- ----------- ---------
| IBM |--------| SCSI card |-----------| Seagate |------| Ricoh |
--------- ------------- ----------- ---------
The IBM drive is obviously connected to the 68 pin connector and the
Seagate and Ricoh devices are on the 50 pin connector. The IBM drive is
terminated with a jumper and the Ricoh drive is terminated with resistor
packs. The SCSI card is set to low byte off and hi byte on.
The card erroneously detected the Ricoh burner as operating at 10Mb/s
synchronous. I wasn't sure if it was supposed to be 5Mb synchronous or
asynchronous so I went with the latter because diagnostics said it wasn't
a synchronous device.
Anyway, I created an image with mkisofs and attempted to use BurnIT first
but it had a bug so I went to the command line and used cdrecord. I
believe I have v1.8a18. I blanked my CD-RW disk ok (I think) and then
tried to burn a CD. The first thing I noticed was tons of messages in
dmesg to the effect of:
sr0: CDROM (ioctl) reports ILLEGAL REQUEST
At this point, it was 10:30pm and I was at work way too long so I went
home and let it burn over night. When I came in this morning, there was
an error message in the tty I had been running cdrecord on:
./cdrecord Input/output error. close track/session: scsi sendcm:
retryable error
CDB: 5B 00 02 00 00 00 00 00 00 00
Status: 0x2 (check condition)
Sense bytes: 70 00 02 00 00 00 00 0A 00 00 00 00 04 01 00 00
Sense key: 0x2 not ready segment 0
Sense code: 0x4 Qual 0x01 (logical unit is in process of becoming ready)
Fru 0x0
Sense flags: Blk 0 (not valid)
Cmd finished after 62.524s timeout 480s
Now, at this point, I am uncertain where the problem lies. It could be a
kernel bug, a software bug, a hardware malfunction, a hardware
misconfiguration, or a SCSI BIOS misconfiguration or any combination of
them. I had problems before with an Adaptec 2940UW card - I was using
Xcdroast then and everytime I burnt a CD (except that one time), and would
compare the CD contents with the images, they always differed at some
block.
If anyone can offer assistance or point me in the right direction, I'd
appreciate it. I've been trying to burn CD's for my friends ever since I
got this burner and I'm sure they've given up by now.
Thanks,
Kevin
--
~ Kevin M. Myer
. . Technical Services Specialist
/V\ ELANCO School District
// \
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^`~'^
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