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SubjectRe: [2.5.54] Oops IDE-SCSI and failure AIC7xxx
I get the same 'failed memory mapped' error (and the inability to run 2.5
kernels) on my SIS K6 board which has been running without a problem with
2.2 and 2.4 kernels.
this is /proc/pci from 2.4.18

PCI devices found:
Bus 0, device 0, function 0:
Host bridge: Silicon Integrated Systems [SiS] 530 Host (rev 2).
Master Capable. Latency=32.
Non-prefetchable 32 bit memory at 0xe8000000 [0xebffffff].
Bus 0, device 0, function 1:
IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev 208).
Master Capable. Latency=128.
I/O at 0xffa0 [0xffaf].
Bus 0, device 1, function 0:
ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513 (rev 177).
Bus 0, device 1, function 1:
Class ff00: Silicon Integrated Systems [SiS] ACPI (rev 0).
Bus 0, device 2, function 0:
PCI bridge: Silicon Integrated Systems [SiS] 5591/5592 AGP (rev 0).
Master Capable. No bursts. Min Gnt=12.
Bus 0, device 10, function 0:
SCSI storage controller: Adaptec AHA-294x / AIC-7871 (rev 3).
IRQ 9.
Master Capable. Latency=32. Min Gnt=8.Max Lat=8.
I/O at 0xda00 [0xdaff].
Non-prefetchable 32 bit memory at 0xeffef000 [0xeffeffff].
Bus 0, device 11, function 0:
Ethernet controller: 3Com Corporation 3c595 100BaseTX [Vortex] (rev
0).
IRQ 11.
Master Capable. Latency=248. Min Gnt=3.Max Lat=8.
I/O at 0xdc00 [0xdc1f].
Bus 0, device 12, function 0:
Multimedia audio controller: C-Media Electronics Inc CM8338A (rev 16).
IRQ 10.
Master Capable. Latency=32. Min Gnt=2.Max Lat=24.
I/O at 0xde00 [0xdeff].
Bus 1, device 0, function 0:
VGA compatible controller: Silicon Integrated Systems [SiS] 6306
3D-AGP (rev 162).
Master Capable. Latency=32. Min Gnt=2.
Prefetchable 32 bit memory at 0xff000000 [0xff7fffff].
Non-prefetchable 32 bit memory at 0xe7ef0000 [0xe7efffff].
I/O at 0xcc00 [0xcc7f].

David Lang

On Sun, 5 Jan 2003, Justin T. Gibbs wrote:

> Date: Sun, 05 Jan 2003 08:50:06 -0700
> From: Justin T. Gibbs <gibbs@scsiguy.com>
> To: Paul Rolland <rol@witbe.net>, linux-kernel@vger.kernel.org
> Subject: Re: [2.5.54] Oops IDE-SCSI and failure AIC7xxx
>
> > Out of this, two problems :
> > - AIC7xxx fails to use DMA, with :
> > aic7xxx: PCI Device 0:8:0 failed memory mapped test. Using PIO.
> > scsi0: PCI error Interrupt at seqaddr = 0x3
> > scsi0: Signaled a Target Abort
>
> This is because your system is violating the PCI spec. There is
> now an explicit test for this during driver initialization so that
> the driver doesn't unexpectedly fail later. I can change the driver
> so that it doesn't print out the diagnostic if it would make you
> feel better. 8-)
>
> Just out of curiosity, what MB/Chipset are you using?
>
> --
> Justin
>
> -
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