2.4.23-pac1 (and others) issue with PDC20265

[tabris]

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I have an ASUS A7V266-E motherboard, AMD AthlonXP 1800+ CPU.
several hard drives of various makes.

I've tested a couple different kernels... all (afaik) with preempt.
I've tried 2.4.22-10mdk, plus 2.4.23-pac1+preempt+lowlatency, and also a 
2.4.22-ac4+preempt

What I'm getting are deadlocks on what I think are dma issues when copying 
btwn hdf and hdg.
according to /proc/ide/*/model
hda is a WDC AC28400R
hdb is a Maxtor 93652U8
hde is a WDC WD200BB-32BSA0
hdf is a Maxtor 4D060H3
hdg is a Maxtor 4D060H3 (just installed today, likely used)

i've only gotten ONE error message 
Dec  3 12:51:12 tabriel kernel: hdf: dma_timer_expiry: dma status == 0x61

and that was with 2.4.22-10mdk

the rest all deadlock without ANY error messages.

Help?

- --
tabris
currently copying from hdf -> hdg with DMA turned off on hdf. going at 
about 1MB/minute, with some spikes.
- -
"Life would be much simpler and things would get done much faster if it
weren't for other people"
		-- Blore
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