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From: Mikael Pettersson <mikpe@it.uu.se>
To: Tejun Heo <htejun@gmail.com>
Cc: Mikael Pettersson <mikpe@it.uu.se>,
	Christian Mueller <Christian.Mueller@wdc.com>,
	Bruce Allen <ballen@gravity.phys.uwm.edu>,
	Smartmontools Mailing List 
	<smartmontools-support@lists.sourceforge.net>,
	LKML <linux-kernel@vger.kernel.org>,
	IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: [smartmontools-support] inactive SATA drives won't stay in standby or sleep, PATA models did. (fwd)
Date: Mon, 13 Oct 2008 09:03:54 +0200	[thread overview]
Message-ID: <18674.62170.845285.407281@harpo.it.uu.se> (raw)
In-Reply-To: <48F2D9A8.1030502@gmail.com>

Tejun Heo writes:
 > Mikael Pettersson wrote:
 > > - smartctl -n standby waking Linda's disks from standby is probably
 > >   a disk firmware issue or a smartctl issue. I see no evidence that
 > >   sata_promise is to blame for that.
 > 
 > /me agrees.  I think it's most likely a problem in the firmware.
 > 
 > > - hardreset in sata_promise seems broken. I'll take a closer look
 > >   at that in about a week's time (I'll be busy with other work the
 > >   next couple of days).
 > 
 > This looks like a rather serious problem, so please take a look at
 > this.  Also, after the drive went down, does unplugging and replugging
 > the signal cable fix the problem, if not does doing the same thing
 > with the power cable make any difference?

I couldn't bring the port back up with any combination of signal/power
cable hotplugging. Even rmmod sata_promise; modprobe sata_promise failed
to bring the port back up. Hence my suspicion that hardreset is borked
or doesn't kick in.

  reply	other threads:[~2008-10-13  7:04 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <48EBFB63.20506@gmail.com>
2008-10-08  0:20 ` Christian Mueller
2008-10-08  0:28   ` Tejun Heo
2008-10-12 14:55     ` Mikael Pettersson
2008-10-13  5:16       ` Tejun Heo
2008-10-13  7:03         ` Mikael Pettersson [this message]
2008-10-13  7:08           ` Tejun Heo
2008-10-19 23:40         ` Mikael Pettersson
2008-10-21  4:18           ` Tejun Heo
2008-10-21  7:56             ` Mikael Pettersson
2008-10-21  9:02               ` Tejun Heo
2008-10-21  9:30                 ` Mikael Pettersson
2008-10-21  7:59           ` Mikael Pettersson
2008-10-21  8:55             ` Tejun Heo
     [not found] <Pine.LNX.4.64.0809142159550.18213@gc.phys.uwm.edu>
     [not found] ` <48E1B8F8.3090205@gmail.com>
     [not found]   ` <48E26BDA.8080804@tlinx.org>
     [not found]     ` <48E26E61.2010705@gmail.com>
     [not found]       ` <48E34BC8.3050009@tlinx.org>
     [not found]         ` <48E6DE07.70706@gmail.com>
2008-10-07  0:37           ` Linda Walsh
2008-10-07  1:08             ` Tejun Heo
2008-10-07  1:36               ` Linda Walsh
2008-10-07  1:42                 ` Tejun Heo
2008-10-07 10:13                   ` Linda Walsh
2008-10-07 22:27                   ` Linda Walsh
2008-10-07 23:59                     ` Tejun Heo

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