Ben Greear wrote:
I have a small VIA based system with a 512MB CF disk for
the 'hard drive'. It seems to work OK, but I am getting some
DMA timeouts and errors upon boot.
kernel is 2.6.11. I saw the same problem with FC2's 2.6.5 default kernel.
From dmesg:
hda: max request size: 128KiB
hda: 1000944 sectors (512 MB) w/1KiB Cache, CHS=993/16/63, DMA
hda: cache flushes not supported
hda:<4>hda: dma_timer_expiry: dma status == 0x21
hda: DMA timeout error
hda: dma timeout error: status=0x58 { DriveReady SeekComplete DataRequest }
What kind of CF-IDE adapter are you using? This looks like a CF card
which supports DMA in an adapter which doesn't hook up the DMA lines
properly, therefore the DMA times out when the kernel tries to use it.
You can use a "nodma" option on the kernel command line to disable DMA,
I think..
I've seen some newer adapters that have jumper settings for "DMA" or
"non-DMA" on them..
--
Robert Hancock Saskatoon, SK, Canada
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Home Page: http://www.roberthancock.com/
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