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Date: Tue, 18 Jun 2002 08:31:08 +0200
From: Martin Dalecki <dalecki@evision-ventures.com>
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To: Arnd Bergmann <arnd@bergmann-dalldorf.de>
CC: linux-kernel@vger.kernel.org, Arnd Bergmann <arndb@de.ibm.com>
Subject: Re: 2.5.22 ide disk hang on boot
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U?ytkownik Arnd Bergmann napisa?:
> Hi,
> 
> In 2.5.22, I get during the partition detection (2.5.21 was ok):
> 
> ...
> /dev/ide/host0/bus0/target0/lun0: [PTBC] (6201/240/63) p1 p2 p3 <hda: status
> error: status = 0x58 [drive ready seek complete data request]
> hda: recalibrating
> 
> After that, I have to reboot. The machine is an IBM thinkpad A30p, the
> ide controller is an ICH3 ("Intel Corp. 82801CAM IDE U100 (rev 1)") and
> the drive says it is "IC25T048ATDA05-0".
> I tried reverting the last IDE patches but got too many rejects.
> 
> After replacing the ata_error that came last with BUG(), I got the
> backtrace below (assuming I copied every address correctly from the
> screen).
> 
> 	Arnd <><
> 
> Trace; c01f9242 <ata_status_poll+92/c8>
> Trace; c01fb2d1 <start_request+c5/17c>
> Trace; c01eb38a <__elv_next_request+a/10>

I assume that the system in question isn't:

1. Isn't setting up the drive in BIOS for DMA operation?

2. Isn't showring the hda: hda1.... partition layout?

As one can see from the above the problem is caused by PIO
read getting worser. I know the problem and am working on it.
As a band plase apply patch -p1 -R < ide-clean-92.diff.
I hope I can provide the proper solution soon.

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