2.4.1 DAC960 driver bug or what's going on?

From: Silviu Marin-Caea (silviu@delrom.ro)
Date: Thu Feb 01 2001 - 10:19:28 EST


Hardware:
A plain and honest Intel BX mainboard (AOpen AX6BC with latest BIOS
update), Pentium II/333, 64MB RAM, dumb PCI 1MB video card, Mylex
AcceleRAID 170 PCI controller, Quantum Atlas IV hard-disks.

Kernel 2.4.1

I want to install the system on the RAID volume, and for this purpose I
compiled the DAC960/DAC1100 driver into the kernel.

Made a boot floppy from RedHat distribution images and copied my kernel
with Mylex support on it.

Here are the relevant messages

[...]
PCI: Probing PCI hardware
Unknown bridge resource 1: assuming transparent
Unknown bridge resource 2: assuming transparent
Unknown bridge resource 1: assuming transparent
Unknown bridge resource 2: assuming transparent
PCI: Using IRQ router PIIX [8086/7110] at 00:07.0
PCI: Found IRQ 11 for device 00:07.2
PCI: The same IRQ used for device 00:0d.1
Limiting direct PCI/PCI transfers
[...]
PCI: Found IRQ 11 for device 00:0d.1
PCI: The same IRQ used for device 00:07.2
DAC960: ***** DAC960 RAID Driver version 2.4.9 of 7 September 2000 *****
DAC960: Copyright 1998-2000 by Leonard N. Zubkoff <lnz@dandelion.com>
Kernel panic: DAC960: Logical Drive Block Size 0 not supported

I really don't know what the other device on IRQ 11 would be, since
there are no other add-in cards than video and RAID controller.

Same thing happened on an EPoX mainboard, before I tried the controller
with this hardware. No matter what IRQ Mylex gets, linux says there's
another device using it. What would be that device? PS/2 mouse
controller, perhaps? Why does it stick to Mylex?

Thank you for your help.

-- 
Systems and Network Administrator - Delta Romania
Phone +4093-267961
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