linux-kernel - Re: pata_cmd64x broken in 2.6.33-rc1 on sparc64

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Message-ID: <20091220004115.0529a438@lxorguk.ukuu.org.uk>
Date:	Sun, 20 Dec 2009 00:41:15 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Meelis Roos <mroos@...ux.ee>
Cc:	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: pata_cmd64x broken in 2.6.33-rc1 on sparc64

>  [000000000064987c] cmd64x_bmdma_stop+0x3c/0x60

The sanity check that fails here is bus master DMA stop called but either
no DMA is running or the DMA is down as a different device.

> ata2.00: ATAPI: CRD-8322B, 1.06, max MWDMA2
> pata_cmd64x: active 3 recovery 1 setup 1.
> pata_cmd64x: active 3 recovery 1 setup 1.
>  sda:
> 
> 
> and hangs here.

First real DMA command - probably waiting for a DMA to complete that
doesn't exist from the above error.


Jeff - just drop the cmd64x diff for now
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