linux-kernel - Re: mvsas regression since 3.5

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Date:	Sun, 23 Dec 2012 02:17:06 -0500
From:	Xi Wang <xi.wang@...il.com>
To:	Drunkard Zhang <gongfan193@...il.com>
CC:	"James E.J. Bottomley" <JBottomley@...allels.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Jack Wang <jack_wang@...sh.com>,
	Xiangliang Yu <yuxiangl@...vell.com>,
	linux-scsi@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: mvsas regression since 3.5

On 12/22/12 10:33 AM, Drunkard Zhang wrote:
> I'm using Asus PIKE 6480 SAS card, whose chipset is "RAID bus
> controller: Marvell Technology Group Ltd. MV64460/64461/64462 System
> Controller, Revision B", with latest stable branch 3.7.1 only 1 of 8
> ports works, to get others works I got to pull & plug back. While with
> 3.5.7 it's all good, so it must be a regression.

Can you try to revert commit beecadea1b8d67f591b13f7099559f32f3fd601d?

Particularly, can you first change

  #define bit(n) ((u64)1 << n)

in drivers/scsi/mvsas/mv_sas.h back to

  #define bit(n) ((u32)1 << n)

and see if it works for you?  Thanks.

- xi
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