Messages in this thread | | | Subject | Re: Adaptec 2010S i2o + x86_64 doesn't work | From | Alan Cox <> | Date | Fri, 15 Apr 2005 18:48:09 +0100 |
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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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