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Re[2]: CD-RW problem



On Tue, 8 Feb 2000 01:01:46 +0200 (IST), matan@svgalib.org wrote:

>The  problem sounds as though it may be wrong  device settings. Is UDMA
>enabled (in BIOS) for any of the cdroms?
from the BIOS settings at boot, I can see the following
Primary Master     LBA UDMA 33   (that's my Maxtor 13 Giga drive)
Primary Slave      ZIP
Secondary Master   CDROM mode 3  (that's the CD-RW)
Secondary Slave    CDROM UDMA 33 (that's a 48x CD)

All this is auto detected. Should I manually change anything here ??

>Mandrake tries to automatically set drive parameters for ide drives. Make
>sure it does not set anything for the cdroms. (grep for hdparm under
>/etc/rc.d )
I'm not sure I understand what you're telling me to look for here

BTW - I noticed something that may be relevant at boot time. Here's
part of the output of DMESG. Notice the lines I've marked with ====>>
Is any of this related to my problem ??


////////////////////

Linux version 2.2.14-15mdk (root@kenobi.mandrakesoft.com) (gcc
version 2.95.2 19991024 

{snip}

ide_setup: hdc=ide-scsi

{snip}

PIIX4: not 100% native mode: will probe irqs later
   ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:pio
   ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA
hda: Maxtor 91361U3, ATA DISK drive
hdb: IOMEGA ZIP 100 ATAPI, ATAPI FLOPPY drive
hdc: SAF CD-RW2224, ATAPI CDROM drive
====>> hdc: IRQ probe failed (0)
hdd: ATAPI 48X CDROM, ATAPI CDROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: Maxtor 91361U3, 12982MB w/512kB Cache, CHS=1655/255/63
hdd: ATAPI 48X CD-ROM drive, 128kB Cache
Uniform CDROM driver Revision: 2.56
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077

{snip}

scsi : 0 hosts.
scsi : detected total.
md.c: sizeof(mdp_super_t) = 4096
Partition check:
 hda: hda1 hda2 hda3 hda4 < hda5 hda6 hda7 hda8 hda9 hda10 hda11
hda12 hda13 >

{snip}

scsi0 : SCSI host adapter emulation for IDE ATAPI devices
scsi : 1 host.
  Vendor: IOMEGA    Model: ZIP 100           Rev: 14.A
  Type:   Direct-Access                      ANSI SCSI revision: 00
Detected scsi removable disk sda at scsi0, channel 0, id 0, lun 0
  Vendor: SAF       Model: CD-RW2224         Rev: 2.06
  Type:   CD-ROM                             ANSI SCSI revision: 02
Detected scsi CD-ROM sr0 at scsi0, channel 0, id 1, lun 0
sr0: scsi3-mmc drive: 24x/24x writer cd/rw xa/form2 cdda tray
===>> sda : READ CAPACITY failed.
sda : status = 0, message = 00, host = 0, driver = 28 
sda : extended sense code = 2 
sda : block size assumed to be 512 bytes, disk size 1GB.  
===>> sda:scsidisk I/O error: dev 08:00, sector 0
===>> unable to read partition table


TIA

//------------------------
Shlomo Solomon
solomon@shani.net
http://come.to/shlomo.solomon
//------------------------


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