RE: Serverworks dma_intr: error=0x40 { UncorrectableError }

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue Nov 19 2002 - 19:42:39 EST


On Wed, 2002-11-20 at 00:04, Manish Lachwani wrote:
> Yes, CSB5/CSB6 does not have this problem. I have been using this with the
> GC-LE chipset.
>
> However, there was something that I noticed when I was experimenting with
> the FreeBSD kernel for producing these corruptions. I could not reproduce
> these corruptions with FreeBSD 4.6 and at UDMA 2. I also noticed that the
> PCI config space settings for the IDE controller were different in FreeBSD
> and Linux 2.4.17.

It might be interesting to know what the differences are. Certainly the
bug is a very strange one.

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This archive was generated by hypermail 2b29 : Sat Nov 23 2002 - 22:00:30 EST