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SubjectRe: aic7xxx and 2.4.3 failures

Looks like an IRQ problem to me.
I mean the kernel wants to change IRQ routing and just do the wrong job.

Ingo reported me a similar problem a couple of week ago that made failed
the sym53c8xx driver. Looks very similar to this one with the kernel PCI
code wanting to assign IRQ 11 to almost everything.

Btw, I donnot know the cause of the problem since I am still expecting
some reply following some suggestions from me. :-)

Gerard.

On Mon, 9 Apr 2001, Jim Studt wrote:

> > > A typical startup with 6.1.9 proceeds like this... (6.1.10 hangs silently
> > > after emitting the scsi0 and scsi1 adapter summaries, maybe it is
> > > going through the same gyrations silently.)
> > >
> >
>
> Alan Cox directs...
> > Try saying N to the AIC7xxx driver and Y to AIC7XXX_OLD and see if that works.
> > This is important both because it might solve your problem for now but also
> > because if the old driver works we can be fairly sure the bug is in the
> > new adaptec driver and not elsewhere and triggered on it
>
> Using AIC7XXX_OLD does not work either. Different output....
>
> SCSI subsystem driver Revision: 1.00
> PCI: Assigned IRQ 11 for device 00:0c.0
> PCI: The same IRQ used for device 00:0c.1
> PCI: Found IRQ 11 for device 00:0c.1
> PCI: The same IRQ used for device 00:0c.0
> (scsi0) <Adaptec AIC-7896/7 Ultra2 SCSI host adapter> found at PCI 0/12/0
> (scsi0) Wide Channel A, SCSI ID=7, 32/255 SCBs
> (scsi0) Downloading sequencer code... 392 instructions downloaded
> (scsi1) <Adaptec AIC-7896/7 Ultra2 SCSI host adapter> found at PCI 0/12/1
> (scsi1) Wide Channel B, SCSI ID=7, 32/255 SCBs
> (scsi1) Downloading sequencer code... 392 instructions downloaded
> scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.1/5.2.0
> <Adaptec AIC-7896/7 Ultra2 SCSI host adapter>
> scsi1 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.1/5.2.0
> <Adaptec AIC-7896/7 Ultra2 SCSI host adapter>
> scsi : aborting command due to timeout : pid 0, scsi0, channel 0, id 0, lun 0 Inquiry 00 00 00 ff 00
> SCSI host 0 abort (pid 0) timed out - resetting
> SCSI bus is being reset for host 0 channel 0.
> SCSI host 0 channel 0 reset (pid 0) timed out - trying harder
> SCSI bus is being reset for host 0 channel 0.
> SCSI host 0 abort (pid 0) timed out - resetting
> SCSI bus is being reset for host 0 channel 0.
> SCSI host 0 channel 0 reset (pid 0) timed out - trying harder
> SCSI bus is being reset for host 0 channel 0.
> SCSI host 0 abort (pid 0) timed out - resetting
> SCSI bus is being reset for host 0 channel 0.
> ..
>
>
> Since we are looking elsewhere now... I have tried PCI access mode
> BIOS and Direct with no improvement.
>
> There is an unrecognized PCI bridge resource in the boot messages...
>
> CPU: L1 I cache: 16K, L1 D cache: 16K
> CPU: L2 cache: 256K
> Intel machine check architecture supported.
> Intel machine check reporting enabled on CPU#0.
> CPU serial number disabled.
> CPU: Intel Pentium III (Coppermine) stepping 06
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Checking 'hlt' instruction... OK.
> POSIX conformance testing by UNIFIX
> mtrr: v1.37 (20001109) Richard Gooch (rgooch@atnf.csiro.au)
> mtrr: detected mtrr type: Intel
> PCI: Using configuration type 1
> PCI: Probing PCI hardware
> Unknown bridge resource 0: assuming transparent
> Unknown bridge resource 1: assuming transparent
> Unknown bridge resource 2: assuming transparent
> Unknown bridge resource 0: assuming transparent
> Unknown bridge resource 1: assuming transparent
> Unknown bridge resource 2: assuming transparent
> PCI: Discovered primary peer bus ff [IRQ]
> PCI: Using IRQ router PIIX [8086/7110] at 00:12.0
>
> # lspci
> 00:00.0 Host bridge: Intel Corporation 440GX - 82443GX Host bridge
> 00:01.0 PCI bridge: Intel Corporation 440GX - 82443GX AGP bridge
> 00:0c.0 SCSI storage controller: Adaptec 7896
> 00:0c.1 SCSI storage controller: Adaptec 7896
> 00:0e.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev 08)
> 00:12.0 ISA bridge: Intel Corporation 82371AB PIIX4 ISA (rev 02)
> 00:12.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01)
> 00:12.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01)
> 00:12.3 Bridge: Intel Corporation 82371AB PIIX4 ACPI (rev 02)
> 00:14.0 VGA compatible controller: Cirrus Logic GD 5480 (rev 23)
> 01:0f.0 PCI bridge: Digital Equipment Corporation DECchip 21150 (rev 06)
>
> I will go back and try 2.4.0 and 2.4.3-ac3 and see where that gets me.
>
> --
> Jim Studt, President
> The Federated Software Group, Inc.
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