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From: Wolly <wwolly@gmx.net>
To: Mark Hahn <hahn@physics.mcmaster.ca>
Subject: Re: IDE DMA hard lock at boot time (KT266A chpiset)
Date: Sun, 24 Feb 2002 03:06:01 +0100
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Hi Mark,

Thank you very much for your quick responses to my problem. 

Due to your help I was now able to solve both problems. 

Now everything works great (including UDMA and the ethernet NIC 
and ACPI)
[however, the rtl8139 still refuses to work, but I can use the eepro100]. 

The three core things were: 
- switch off apic stuff
- you may enable ACPI but you must _disable_ ide power down 
  in the BIOS (seems to be a bug somewhere)
- This message is normal and can be ignored: 
  PCI: No IRQ known for interrupt pin A of device 00:11.1. Please try using 
    pci=biosirq.

Regards,
Wolly

[Sorry; everyone who did not CC me did not reach me because I seem 
to be `mysteriously' unsubscribed from lkml since Feb 01 when my 
mail box ran out of space...]

> maybe I wasn't clear on this: your problem seems to be irq-routing
> or irq lossage.  others have reported the same thing, and have fixed
> it by turning off the (spurious UP apic usage), turning off apics
> in bios, etc.
-
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