linux-kernel - [REGRESSION] commit "ide: respect current DMA setting during resume" breaks resume on PowerBook G4

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Message-ID: <87wseb8mkm.fsf@burly.wgtn.ondioline.org>
Date:	Mon, 08 Dec 2008 14:47:37 +1300
From:	Paul Collins <paul@...ly.ondioline.org>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	rjw@...k.pl
Subject: [REGRESSION] commit "ide: respect current DMA setting during resume" breaks resume on PowerBook G4

Commit e9eb8388306364295308132265c00bea685f409f ("ide: respect current
DMA setting during resume") breaks resume on my PowerBook G4.

I get a stream of the following:

    hda: task_out_intr: status=0x51 { DriveReady SeekComplete Error }
    hda: task_out_intr: error=0x04 { DriveStatusError }
    ide: failed opcode was: unknown

and generally the machine hangs, although once it reported

    ide0: reset: success

and resumed successfully.

-- 
Paul Collins
Wellington, New Zealand

Dag vijandelijk luchtschip de huismeester is dood
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