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Date: Wed, 14 Oct 2009 12:53:44 +0100 From: Alan Cox <alan@...rguk.ukuu.org.uk> To: Mikael Pettersson <mikpe@...uu.se> Cc: Krzysztof Halasa <khc@...waw.pl>, Mikael Pettersson <mikpe@...uu.se>, <linux-ide@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Robert Hancock <hancockrwd@...il.com> Subject: Re: sata_via: SError: { UnrecovData Proto TrStaTrns } > 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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