Re: Update on Promise 100TX2 + Serverworks IDE issues -- 2.2.20

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 3 Apr 2002 03:58:41 +0100 (BST)


> devices are the problem maker on OSB4. Unless DMA is disabled, the system
> will lock up when accessing the drive.
>
> If you have UDMA33 ATAPI devices, they work great in OSB4.

Except when they don't. There are definite problems with some specific
combinations and ones I know are not one offs because we've seen them over
an entire render farm for example.

The current driver panics and asks people to email me if it spots the UDMA
disk corruption about to occur pattern. I get little mail but some
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