On Tuesday, September 26, 1995 at 12:00:00 AM UTC-7, Morgan Fletcher wrote:
> I know this has been kicked around here, but not through the goalpost of
> resolution.
> I've got an HP Vectra VL-3 with a Soundblaster 16 running an IDE 4X
> CD-ROM drive. Linux cannot see the CD-ROM drive.
> Here are the particulars of the system:
> P75
> PCI, apparently with the buggy cmd chip
> Two hard drives on the on-board IDE controller
> SoundBlaster 16 w/IDE connector
> Creative Labs FX400 IDE CD-ROM
> An on-board IDE-CDROM connector (colored red)
> The problem is that Linux won't see the CD-ROM. I cant say I understand
> the problem in it's entirety, but I've tried several things.
> 1) Tried booting from a slackware 2.3 bootdisk, and adding hdc=cdrom and
> also hdd=cdrom as boot options. CD-ROM wasn't found
> 2) Tried the 1.3.29 kernel, with IDE CD-ROM support. CD-ROM wasn't found.
> 3) Tried the 1.3.29 kernel, with the CD-ROM connected to the motherboard
> IDE CD-ROM connector (colored red) and the SoundBlaster IDE DIS jumper
> closed (IDE disabled). This was a little closer, but it still failed.
> Here's the the significant-looking output of dmesg:
> >>>
> Sep 25 16:50:00 darla kernel: Warning : Unknown PCI device (ea:0). Please read include/linux/pci.h
> (repeated)
> Sep 25 16:50:00 darla kernel: ide: buggy CMD640 interface: init_cmd640: huh? 0x5b read back wrong
> Sep 25 16:50:00 darla kernel: serialized, disabled read-ahead
> Sep 25 16:50:00 darla kernel: hda: WDC AC1425F, 407MB w/64KB Cache, LBA, CHS=827/16/63
> Sep 25 16:50:00 darla kernel: hdb: QUANTUM ELS170A, 162MB w/32KB Cache, CHS=1011/15/22
> Sep 25 16:50:00 darla kernel: hdd: IRQ probe failed (0)
> Sep 25 16:50:00 darla kernel: hdd: IRQ probe failed (0)
> Sep 25 16:50:00 darla kernel: hdd: ^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^
> ?X^?X^?X^?X^?X^?XX^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X
> ^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X
> ^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X
> ^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X
> ^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X
> ^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X
> ^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X
> ^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X^?X
> ^?X^?X^?X^?X^?X^?X^?, ATAPI, UNKNOWN device
> Sep 25 16:50:00 darla kernel: hdd: IRQ probe failed (0)
> Sep 25 16:50:00 darla kernel: ide1 at 0x170-0x177,0x376 on irq 15
> Sep 25 16:50:00 darla kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 (serialized with ide1)
> <<<
> 4) 1.3.29 kernel, changed the IDE port from third (1E8H to 1EFH, default)
> to second (170H - 177H, 376H - 377H) and the IDE interrupt to 15, from
> 11. This didn't seem like the right thing to do, as it appears that my
> second hard drive is already the second device, at IRQ 15. Anyways,
> here's the output of dmesg, abridged:
> >>>
> Warning : Unknown PCI device (fe:0). Please read include/linux/pci.h
> (repeated)
> ide: buggy CMD640 interface: init_cmd640: huh? 0x5b read back wrong
> serialized, disabled read-ahead
> hda: WDC AC1425F, 407MB w/64KB Cache, LBA, CHS=827/16/63
> hdb: QUANTUM ELS170A, 162MB w/32KB Cache, CHS=1011/15/22
> hdd: FX4°0_0² , ATAPI, CDROM drive
> hdd: IRQ probe failed (0)
> ide1 at 0x170-0x177,0x376 on irq 15
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 (serialized with ide1)
> <<<
> The drive can be read fine from DOS.
> I'd very much like to get this drive working. I'll provide any more
> information that's needed about the machine. I'm only using the 1.3.29
> kernel in the hopes that it fixes something broken in 1.2.13. My hope is
> to get the CD-ROM working with 1.2.13 somehow.
> I'll gladly RTFM if you tell me what M to R.
> morgan
> mor...@slip.net (<- please use this address for e-mail)
> --
> A child of five could understand this! Fetch me a child of five.
f