From: Tejun Heo <htejun@gmail.com>
To: Robert Hancock <hancockr@shaw.ca>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
Alan <alan@lxorguk.ukuu.org.uk>,
ceztko@gmail.com
Subject: Re: Weird hard disk noise on shutdown (bug #7674)
Date: Thu, 22 Feb 2007 16:11:11 +0900 [thread overview]
Message-ID: <45DD420F.4000501@gmail.com> (raw)
In-Reply-To: <45DD37E9.7010303@shaw.ca>
Robert Hancock wrote:
> Robert Hancock wrote:
>> Alan wrote:
>>> Stick some printk calls in drivers/ata/libata-eh.c in ata_eh_suspend, or
>>> turn on all the ATA debug and shutdown, the code should issue a cache
>>> flush followed by a standbynow1 command for each disk.
>>>
>>> Alan
>>
>> I believe it runs on suspend, but we don't run that code on normal
>> shutdown, do we?
>>
>> Tejun Heo had a patch for sd that could (optionally) trigger a START
>> STOP UNIT command to spin the disk down after synchronizing the cache
>> before shutdown, but I haven't heard anything of it lately..
I just came back from LSF and lunar new year's holidays and need a bit
more time to get to it. I'll get to it in one or two weeks.
--
tejun
next prev parent reply other threads:[~2007-02-22 7:11 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.Fk9DulKIUBewV0V2B72MDzbelmU@ifi.uio.no>
[not found] ` <fa.RCbhxyLCSR5f65HWabMGmxZNYQ4@ifi.uio.no>
[not found] ` <fa.G4k+9fbJDE0N5pygu22mRYU6gfE@ifi.uio.no>
2007-02-22 6:27 ` Weird hard disk noise on shutdown (bug #7674) Robert Hancock
2007-02-22 7:11 ` Tejun Heo [this message]
2007-02-22 11:33 ` Francesco Pretto
[not found] <fa.3exEXR8lVInBQnVOUQZm+V7aqZE@ifi.uio.no>
[not found] ` <fa.SUiPva6BdeZMJsAbFE/HC5i0jfs@ifi.uio.no>
[not found] ` <fa.YdL5PeKPp7ARbGWGIgctXVh/iLQ@ifi.uio.no>
[not found] ` <fa.xsAgWkCiu+x5MGhvd/b5EHrU+ic@ifi.uio.no>
[not found] ` <fa.FUWb3SroQ9sotSIAakSnOjAJ6Ks@ifi.uio.no>
2007-02-22 14:34 ` Robert Hancock
[not found] <fa.Ia7dfo7Zd5kB6KhSYisfswa1aj4@ifi.uio.no>
[not found] ` <fa.YHt2nIlQmoW5r2enmTSzsaySwH4@ifi.uio.no>
2007-02-22 2:43 ` Robert Hancock
2007-02-23 20:35 ` Francesco Pretto
[not found] ` <e5ab0f710703020009u2b94fb72ja51e85b8b90eaba0@mail.gmail.com>
2007-03-02 23:43 ` Dan Gilliam
2007-05-04 19:12 ` Phillip Susi
2007-05-04 20:39 ` Tejun Heo
2007-05-06 18:19 ` Francesco Pretto
2007-05-06 18:24 ` Tejun Heo
2007-05-14 17:32 ` Tejun Heo
2007-05-14 20:46 ` Francesco Pretto
2007-05-15 6:59 ` Tejun Heo
2007-05-15 13:16 ` Henrique de Moraes Holschuh
2007-05-15 13:47 ` Tejun Heo
2007-05-15 21:08 ` Dave Jones
2007-05-16 5:29 ` Rob Landley
2007-05-16 9:15 ` Francesco Pretto
2007-05-16 11:38 ` Tejun Heo
2007-05-16 23:47 ` Rob Landley
2007-05-17 9:12 ` Tejun Heo
2007-05-16 11:41 ` Tejun Heo
2007-05-16 23:48 ` Rob Landley
2007-05-17 0:58 ` Henrique de Moraes Holschuh
2007-05-17 3:05 ` Rob Landley
2007-05-17 3:39 ` Henrique de Moraes Holschuh
2007-05-17 15:04 ` Lennart Sorensen
2007-05-18 7:16 ` Rob Landley
2007-05-18 12:35 ` Alan Cox
2007-05-18 18:27 ` Lennart Sorensen
2007-05-17 9:14 ` Tejun Heo
2007-05-16 12:47 ` Stephen Clark
2007-05-16 13:49 ` Francesco Pretto
2007-05-16 23:52 ` Rob Landley
2007-05-16 11:38 ` Tejun Heo
[not found] ` <fa.7/l6y5w9DWACpMl9PLWnCeZVtaY@ifi.uio.no>
[not found] ` <fa.jM0Jz2vqE6sFKJ24x7Krs9Md4+Y@ifi.uio.no>
[not found] ` <fa.htPXmkKzsdLgiNC0YHDJwdgDLHg@ifi.uio.no>
2007-02-23 0:25 ` Robert Hancock
2007-02-21 22:15 Francesco Pretto
2007-02-21 23:55 ` Alan
2007-02-22 1:01 ` Francesco Pretto
2007-02-22 13:53 ` Alan
2007-02-22 15:22 ` Rolf Offermanns
2007-02-22 22:47 ` Francesco Pretto
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