linux-kernel - Re: 2.6.21-rc5 from fc7-rc2 problems

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Date:	Wed, 18 Apr 2007 21:50:39 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Len Brown <lenb@...nel.org>, Stephen.Clark@...lark.us,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...sta.de>,
	Francois Romieu <romieu@...zoreil.com>,
	Tejun Heo <htejun@...il.com>
Subject: Re: 2.6.21-rc5 from fc7-rc2 problems

> >> scsi0 : pata_ali
> >> PM: Adding info for No Bus:host0
> >> ata1.00: ATA-5: HITACHI_DK23CA-20, 00H1A0A3, max UDMA/100   <========
> >> drive can do 100
> >> ata1.00: 39070080 sectors, multi 16: LBA
> >> ata1.00: configured for UDMA/33    <=============== configured as 33

How is this system actually set up - what cable is used on that drive ?

> >> ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> >> ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data 36 in
> >>          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
> >> ata2: soft resetting port
> 
> It looks like interrupts are not being delivered?

We still have a problem with pata_ali and ATAPI. I'm still trying to work
out wtf is going on there as I can't find any meaningful difference and
even some paranoid 'assume the worst of the comments in the databook'
additional code isn't helping.
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