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From: Tejun Heo <htejun@gmail.com>
To: gsh@usno.navy.mil
Cc: linux-ide@vger.kernel.org
Subject: Re: only one drive in a port multiplier system is being recognized
Date: Mon, 12 Nov 2007 11:58:54 +0900	[thread overview]
Message-ID: <4737C16E.3070607@gmail.com> (raw)
In-Reply-To: <4730E312.3090900@navy.mil>

Greg Hennessy wrote:
> I have a LYCeSATA-4x pci card that is port multiplier compatible (it
> works fine
> under win xp) that is only showing one of 5 attached drives when
> attached to
> a Redhat 5 computer, with both  2.6.18-8.1.15.el5 and 2.6.23.1.
> The SATA link shows as up for the one recognized drive, the other four
> drives show the link down.
> Any sugguestions as to what may be the problem?

Stock 2.6.23.1 doesn't have PMP support.  2.6.24 will.  You need patches
from the following page.

http://home-tj.org/wiki/index.php/Libata-tj-stable

-- 
tejun

  reply	other threads:[~2007-11-12  2:59 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-06 21:56 only one drive in a port multiplier system is being recognized Greg Hennessy
2007-11-12  2:58 ` Tejun Heo [this message]
     [not found]   ` <4738827D.9060405@pobox.com>
2007-11-13  1:09     ` What's needed for PMP support? Tejun Heo
2008-02-20 19:03       ` Mark Lord
2008-02-21  3:39         ` Tejun Heo
2008-02-21 15:07           ` Mark Lord
2008-02-21 20:52             ` [PATCH] libata-pmp: clear hob for pmp register accesses Mark Lord
2008-02-21 21:51               ` saeed bishara
2008-02-22  1:40               ` Tejun Heo
2008-02-24  5:29               ` Jeff Garzik
2008-02-22  0:31         ` What's needed for PMP support? Mark Lord
2008-02-22  0:32           ` Mark Lord
2008-02-22  1:57             ` Tejun Heo
2008-02-22  2:04               ` Mark Lord
2008-02-22  2:12                 ` Tejun Heo
2008-02-22  2:25                   ` Mark Lord
2008-02-22  2:27                     ` Mark Lord
2008-02-22  3:52                       ` Mark Lord
2008-02-22  4:22                         ` new ata_port_operations for .pmp_{read,write} ? Mark Lord
2008-02-22 14:23                           ` Mark Lord
2008-02-22 14:28                             ` Mark Lord
2008-02-23  0:38                               ` Mark Lord
2008-02-23  2:49                                 ` Tejun Heo
2008-02-23  2:43                             ` Tejun Heo
2008-02-23  2:59                               ` Jeff Garzik
2008-02-23  5:15                             ` Mark Lord
2008-02-24  7:03                               ` Tejun Heo
2008-02-24  7:14                                 ` Jeff Garzik
2008-02-25  4:34                                   ` Mark Lord
2008-02-25  4:46                                     ` Jeff Garzik
2008-02-25  4:31                                 ` Mark Lord
2008-02-25  4:49                                 ` Mark Lord
2008-02-25  4:56                                   ` Jeff Garzik
2008-02-25  5:20                                   ` Tejun Heo
2008-02-25 16:55                                     ` Mark Lord
2008-02-25 23:44                                       ` Tejun Heo
2008-02-26  0:12                                         ` Mark Lord
2008-02-26  2:01                                           ` Tejun Heo
2008-02-22  9:57             ` What's needed for PMP support? Alan Cox

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