Messages in this thread |  | | | Date | Wed, 14 Oct 2009 12:53:44 +0100 | | From | Alan Cox <> | | Subject | Re: sata_via: SError: { UnrecovData Proto TrStaTrns } |
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> I guess you didn't see Alan Cox' recent comment about the vt6421: > <http://marc.info/?l=linux-ide&m=125526699500519&w=2>. > > You should probably look for a mini-PCI card with a different chipset.
Docs have appeared - whether they will help tie it down completely I don't know.
> > -RAID bus controller: VT6421 IDE RAID Controller (rev 50) > > +IDE interface: VT6421 IDE RAID Controller (rev 50) (prog-if 8f [Master > > SecP SecO PriP PriO])
That shouldn't matter of itself - its basically header differences > > > > - Control: Mem- FastB2B+ ... > > + Control: Mem+ FastB2B- ... > > > > Mem - I guess x86-64 enables it for BIOS access. This is the only PCI > > device in machine A (ARM). > > > > - Latency: 32 > > + Latency: 64
These two may be worth playing with, especially latency. Forcing the latency on the problem board would be interesting given that it is a DMA transfer that is failing.
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