Subject: Re: aic7xxx panics (long)

From: Ethan Weinstein <[email-masked]>
Date: Mon, 21 Jul 2003 21:11:30 -0400

Benjamin Herrenschmidt wrote:

> That's weird, things appear to be mapped the same way. The only
> difference I see that could be significant (though it should not)
> is that 2.4.21 actually doesn't enable the IO access (the driver
> is supposed to do only MMIO here). Can you try this patch ? If
> it works, then we might be facing a HW bug...
>
> In drivers/scsi/aix7xxx/aix7xxx_osm_pci.c, line 313, replace:
>
> 	command &= ~(PCIM_CMD_PORTEN|PCIM_CMD_MEMEN);
>
> with
> 	command |= PCIM_CMD_PORTEN|PCIM_CMD_MEMEN;
>
> And tell me if that makes any difference,
>
> Ben.

Ben,

_Exact_ same crash with that patch applied.  I suppose that's good as
it's probably not a HW bug?  What next?

-Ethan

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