Re: AHA-2940

["Justin T. Gibbs" <gibbs@xxxxxxxxxxxxxxxxxxxxxxxx>]

>Hi:
>
>I'm having trouble booting FreeBSD 2.0.0-SNAP950322, which hangs when it
>attempts some tests on my AHA-2940 SCSI card (id 7), BIOS v1.11.  I have an
>AMD 486-80, a Seagate SCSI drive (id 0), a SCSI Toshiba CD-ROM reader (id 5),
>Asus PCI motherboard PVI-486SP3 PCB Rev. 1.2 (or higher), Award Modular BIOS
>v4.50G.
>
>I've booted from the floppies on the FreeBSD 2.0 release CD, but since there
>isn't a driver for the 2940 in that kernel, the card isn't recognized and
>there are no disks to partition with fdisk.  However, I have read the
>troubleshooting document available there, and turned off extended BIOS
>translation for >1GB disks, as well as trying to boot with /kernel -c.
>However, the config commands seem to apply only to devices on the ISA bus.
>
>On probing for devices on the PCI bus, these are the messages generated:
>
>Probing for devices on the pci0 bus:
>        configuration mode 1 allows 32 devices.
>pci0:5: vendor=0x1039, device=0x496, class=bridge [not supported]
>vga0 <VGA-compatible display device> rev 0 on pci0:10
>ahc0 <Adaptec 294x SCSI host adapter> rev 0 int a irq 11 on pci0:12
>ahc0: reading board settings
>ahc0: 294x Single Channel, SCSI Id=7, aic7870, 16 SCBs
>ahc0: Downloading Sequencer Program...Done
>ahc0: Probing channel A
>ahc0 waiting for scsi devices to settle
>ahc0: no active SCB for reconnecting target 15, channel B - issuing ABORT
>SAVED_TCL == 0x0
>ahc0: ahcintr - referenced scb not valid during seqint 0x71 scb(15)
>ahc0: WARNING no command for scb 15 (cmdcmplt)
>QOUTCNT == 0
>
>The boot hangs here.  The messages prompt a question:  why is target 15
>being tested?  2940 cards support 8 SCSI IDs, 0 to 7.

This problem was fixed three days after the last snapshot.  Since current
kernels require Slice support in sysinstall, you'll have to wait for
the next snapshot to get a new kernal and do a full install.

>
>Any help would be much appreciated.
>
>thanks,
>graham
>
>
>Wed Apr  5 15:08:17 EDT 1995
>=====
>Graham Gill                    Internet: graham@xxxxxxxxxx
>Programmer                     Tel.: +1-416-441-{4001,2992} x320
>Editorial Technology Dept.     Fax:  +1-416-44{1-3544,4-9011}
>CCH Canadian Ltd., 6 Garamond Ct., Don Mills ON, M3C 1Z5, Canada
>CCH Lotus Notes: Gill, Graham           CCH DECnet: canada::kern
>
>
>Ambidextrous, adj.:
>	Able to pick with equal skill a right-hand pocket or a left.
>		-- Ambrose Bierce, "The Devil's Dictionary"

--
Justin T. Gibbs
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TCS Instructional Group - Programmer/Analyst 1
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