[Bugme-new] [Bug 8942] New: dac960 driver stopped working with 2.6.22 kernel series

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Sun Aug 26 08:34:51 PDT 2007


http://bugzilla.kernel.org/show_bug.cgi?id=8942

           Summary: dac960 driver stopped working with 2.6.22 kernel series
           Product: Drivers
           Version: 2.5
     KernelVersion: 2.6.22 [..] 2.6.22.5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
        AssignedTo: drivers_other at kernel-bugs.osdl.org
        ReportedBy: polynomial-c at gmx.de


Most recent kernel where this bug did not occur: 2.6.21.7 (vanilla)
Distribution: Gentoo
Hardware Environment: x86
Software Environment: Gentoo ~x86 installation
Problem Description:

Since kernel-2.6.22 my machine doesn't boot anymore from my Mylex AcceleRAID
170 (DAC960) controller. 
Booting with kernel-2.6.22{,.X} I can see the following message when the kernel
tries to initialize my dac960 device:

DAC960: ***** DAC960 RAID Driver Version 2.5.48 of 14 May 2006 *****
DAC960: Copyright 1998-2001 by Leonard N. Zubkoff (lnz at dandelion.com)
DAC960#0: While configuring DAC960 PCI RAID Controller at
DAC960#0: PCI bus 0 Device 11 Function 0 I/O Address N/A PCI Address 0xD8000000
DAC960#0: DMA Mask out of range FAILED - DETACHING
DAC960#0: Unable to Enable Memory Mailbox Interface for Controller at
DAC960#0: PCI bus 0 Device 11 Function 0 I/O Address N/A PCI Address 0xD8000000

And none of the RAID-devices are found by the kernel. This is quite fatal for
me, as the root-partition of this machine is on one of the controller's
RAID-Volumes and the kernel later panics when trying to mount root-fs from a
non existant device...

I will attach lspci -v output and kernelconfig...


Steps to reproduce: 

try to boot from a Mylex AcceleRAID 170 card with kernel-2.6.22 through
2.6.22.5


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