Messages in this thread | | | Date | Fri, 15 Apr 2005 20:34:48 +0200 | From | Markus Lidel <> | Subject | Re: Adaptec 2010S i2o + x86_64 doesn't work |
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Hello,
Arjan van de Ven wrote: > On Fri, 2005-04-15 at 20:10 +0200, Markus Lidel wrote: >>Alan Cox wrote: >>>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. >>Hmmm, i only set DMA_32BIT_MASK and don't do anything special on 64-bit >>systems... Is there anything else to do for correct DMA mapping? > are you sure the HW isn't 31 bit by accident ?
I don't know :-( But if the controller could only handle 31-bit DMA, wouldn't the 32-bit kernel with 4 GB also have the same problems?
Best regards,
Markus Lidel ------------------------------------------ Markus Lidel (Senior IT Consultant)
Shadow Connect GmbH Carl-Reisch-Weg 12 D-86381 Krumbach Germany
Phone: +49 82 82/99 51-0 Fax: +49 82 82/99 51-11
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