[2299] in linux-scsi channel archive
Re: Hint needed
daemon@ATHENA.MIT.EDU (Gerard Roudier)
Sun Aug 17 11:49:41 1997
Date: Sun, 17 Aug 1997 17:43:39 +0200 (MET DST)
From: Gerard Roudier <groudier@club-internet.fr>
To: "roose j." <roose@nlr.nl>
cc: linux-scsi@vger.rutgers.edu, ncr53c810@cs.colorado.edu
In-Reply-To: <199708150723.JAA03807@bluesun.nlr.nl>
The driver performs a BUS RESET. This can have some bad effect if the
scsi ids are assigned using the SCAM protocol.
Which version of the SDMS BIOS is installed in your set-up?
If it is possible to assign a fixed SCSI ID different from zero to
one device, that could work. Unfortunately I donnot have any docs
about the devices you are using.
Could you check if your devices are configured for the SCAM protocol,
and if it is possible to disable this non-feature.
Gerard.
PS: the SCAM protocol
On Fri, 15 Aug 1997, roose j. wrote:
> Hi there,
>
> I bought a computer with a SCSI Thosiba CD-ROM 570167, Yamaha CD-Recorder
> CDR200t and a Symbios Logic NCR53c810 controller.
> Already burned some CD's under windows95 and under DOS 2 CD-ROM drives are
> detected.
>
> Now I installed Linuz Redhat 4.2, but Linux does not detect the Yamaha !
> When booting the SDMS bios detects the yamaha (ID 0) and the Thosiba (ID 6)
> the controller (ID 7).
> When Linux is booting I get the following message :
>
> scsi : 0 hosts.
> scsi : detected total.
> Partition check:
> hda: hda1 hda2 hda3 < hda5 > hda4
> RAMDISK: Compressed image found at block 0
> VFS: Mounted root (ext2 filesystem).
> ncr53c8xx : at PCI bus 0, device 10, function 0
> ncr_attach: unit=0 chip=810 base=e6800000, io_port=d400, irq=10
> ncr53c810-0: using memory mapped IO at virtual address 0x280f000
> ncr53c810-0: initial value of SCNTL3 = 33, final = 13
> ncr53c810-0: requesting shared irq 10 (dev_id=0x1e34068)
> ncr53c810-0: restart (scsi reset).
> scsi0 : ncr53c8xx (rel 1.12d)
> scsi : 1 host.
> Vendor: TOSHIBA Model: CD-ROM XM-5701TA Rev: 0167
> Type: CD-ROM ANSI SCSI revision: 02
> Detected scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
>
> Note the detected ID is 0 while the bios detects the thosiba on ID 6 !
>
> Does anybody know whats going wrong ?
> P}lease help me out !
>
> Thanks,
>
> Jeroen <roose@nlr.nl>
