On Gwe, 2005-04-15 at 17:15, Miquel van Smoorenburg wrote:
> However, I removed 2 GB from the box as Alan sugggested and now the box
> comes up just fine with a 64-bit 2.6.11.6 kernel! I've put the 4GB back,
> and booted with the kernel "mem=2048" command line option - that also
> works, the i2o_block driver sees the adaptec controller just fine.
>
> And I just booted it with "mem=3840M" and that works too.
>
> So the problem appears to be 4 GB memory in 64 bit mode, on this box.
Or the driver is incorrectly handling 64/32bit DMA limit masks which
would be my first guess here, and would explain why it works on AMD
Athlon64 boxes.
Alan
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