aic79xx not working 2.4.23, resolved

[Jens Laas]

(03.12.05 kl.10:21) Jens Laas skrev följande till Justin T. Gibbs:

> (03.12.04 kl.09:45) Justin T. Gibbs skrev följande till Jens Laas and...:
>
> > > aic79xx does not work when compiled into the kernel (not as module).
> > > It does not detect anything or say anything at all.
> > > This is also true for 2.4.22
> >
> > Are you saying it works as a module?  Do you have HostRAID enabled
> > in the controller BIOS?  HostRAID is not supported by the aic79xx
> > driver.
>
> I was wrong about it working as a module.
> Driver does not work either way since 2.4.21. (2.6 have same problem).
>
> HostRAID is not enabled as far as I know. No such config in scsi-bios.
> The controller does not even say it supports raid (docs etc).
> (SCSI controller is Adaptec AIC-7902 U320 (rev 03) according to lspci).
> The motherboard has zero-channel raid controller (2010s). This is not
> enabled/compiled in kernel. (No i2o).
>
> When using modprobe is says: No devices found.
>
> I do not use RAID in anyway on system.
>
> The motherboard has chipset: ServerWorks Grand Champion LE.
>

I now know whats behind the trouble: ACPI.

Removing ACPI support from kernel makes driver work.
Unfortunately this makes trouble with detecting all CPUs..

So probably this had nothing to do with the aic79xx driver at all..

Hopefully som other lost soul may be helped by this.

Thanks!

Jens Låås

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    Jens Låås                              Email: jens.laas at data.slu.se
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