From: Tejun Heo <htejun@gmail.com>
To: Ryan Burchfield <rxb023100@utdallas.edu>
Cc: linux-ide@vger.kernel.org
Subject: Re: Drives not detected: sil3124 PMP to sil4726 5 drive enclosure
Date: Thu, 22 May 2008 11:25:52 +0900 [thread overview]
Message-ID: <4834D9B0.8030902@gmail.com> (raw)
In-Reply-To: <48344E5D.1040301@utdallas.edu>
Ryan Burchfield wrote:
> Hi all,
> I have done a bit of digging in the archives and find lots of related
> issues but no working solutions. I don't know if this should be
> considered a bug or not so help is appreciated.
> I have a sil3124 chipset PCI card flashed with base(non-RAID) BIOS.
> Connected to this card I have a sil4726 chipset 5 drive enclosure with
> up to date firmware. The enclosure has been configured using a Windows
> machine with 2 750GB drives in RAID 1. So a host PC should see 1 logical
> 750GB drive + configuration drive if my understanding is correct. I have
> tried many of the latest kernels but the drives are not detected correctly.
>
> At the moment I have just tried the latest fixes at upstream-fixes @
> git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev.git
>
> Attached below is a dmesg log with the above specified kernel for the
> following action.
> 1) Boot computer
> 2) Begin recording dmesg log
> 3) Turn on sil4726 based drive enclosure
> 4) Wait for dmesg activity to settle
> 5) Stop logging
>
> At the end of the process I have no additional disks in /dev/sd*.
>
> Does anyone have any suggestions or any troubleshooting steps that I
> should try? What can I do to provide more useful information?
Ah... please don't use hardware RAID mode w/ 4726. Just use it as plain
Port Multiplier. Its ATA device emulation is really bad and just can't
work with a generic driver. We had to disable even the Config Disk
recently to work around some detection issues.
Thanks.
--
tejun
prev parent reply other threads:[~2008-05-22 2:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-21 16:31 Drives not detected: sil3124 PMP to sil4726 5 drive enclosure Ryan Burchfield
2008-05-22 2:25 ` Tejun Heo [this message]
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