From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Maciej Rutecki" Subject: Re: Disk spin down issue on shut down/suspend to disk Date: Tue, 7 Aug 2007 22:09:10 +0200 Message-ID: <8db1092f0708071309h5cf6f68bo80b44d9a2fbeabeb@mail.gmail.com> References: <46B7AF53.1040307@shaw.ca> <46B8140E.3000509@gmail.com> <1186497925.8780.78.camel@queen.suse.de> <1186514618.5622.9.camel@nx6310> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1186514618.5622.9.camel@nx6310> Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org To: Michael Sedkowski Cc: trenn@suse.de, Tejun Heo , Robert Hancock , "Rafael J. Wysocki" , Henrique de Moraes Holschuh , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-acpi@vger.kernel.org List-Id: linux-ide@vger.kernel.org 2007/8/7, Michael Sedkowski : > I did some additional checking today... > On kernels prior to 2.6.22 line, the bug exists and manifests itself > exactly the same way. However, when I removed the "-h" flag > from /etc/init.d/halt, the drive spins down only once on "Power down" > message and there is no sign of the bug and the emergency unload count > remains constant. I've verified this on kernels 2.6.21.6; 2.6.20.4; > 2.6.18-4-686-Etch. > The obvious conclusion is that something must have changed it the 2.6.22 > kernels, so that removing the "-h" has no effect. > I dunno if my observations are of any value, but I thought You should > know... I confirm this. First 2.6.21-rcx works OK (if I remember). In 2.6.22(.1) remove -h option doesn't help - only warning message dissapear, and double spin down also exists in suspend to disk. The same laptop, bios, Debian etc. -- Maciej Rutecki http://www.maciek.unixy.pl