From: Tejun Heo <htejun@gmail.com>
To: "Rus V. Brushkoff" <rus@SoyuzKT.Od.UA>
Cc: Jeff Garzik <jeff@garzik.org>,
linux-ide@vger.kernel.org, Mark Lord <liml@rtr.ca>
Subject: Re: SATA HDD password problem
Date: Sun, 09 Mar 2008 14:13:49 +0900 [thread overview]
Message-ID: <47D3720D.7040004@gmail.com> (raw)
In-Reply-To: <47D371F5.1020804@gmail.com>
Tejun Heo wrote:
> Unless I'm mistaken, this means that the BIOS is disabling SSP during
> POST, which it really shouldn't. There's no guarantee that a hardreset
> won't occur even if the OS doesn't do it explicitly and when that
> happens the drive will get locked and OS can't unlock it without asking
> the user for password. Eeeeek, ugly.
>
> specified, The attached patch implements ahci.skip_host_reset module
> parameter. If specified, host reset is skipped during controller
> initialization. Does this work around the problem?
Oh, and if it does, please post the result of "hdparm -I" after booting.
--
tejun
next prev parent reply other threads:[~2008-03-09 5:13 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-05 9:50 SATA HDD password problem Rus V. Brushkoff
2008-03-05 12:30 ` Jeff Garzik
2008-03-05 12:49 ` Rus V. Brushkoff
2008-03-06 9:47 ` Tejun Heo
2008-03-06 12:31 ` Rus V. Brushkoff
2008-03-07 3:54 ` Tejun Heo
2008-03-07 9:17 ` Rus V. Brushkoff
2008-03-08 1:17 ` Tejun Heo
2008-03-08 16:12 ` Rus V. Brushkoff
2008-03-09 5:13 ` Tejun Heo
2008-03-09 5:13 ` Tejun Heo [this message]
2008-03-09 17:42 ` Rus V. Brushkoff
2008-03-10 0:37 ` Tejun Heo
2008-03-10 1:25 ` [PATCH #upstream-fixes] ahci: implement skip_host_reset parameter Tejun Heo
2008-03-17 12:27 ` Jeff Garzik
2008-03-07 14:45 ` SATA HDD password problem Mark Lord
2008-03-08 0:51 ` Tejun Heo
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