From mboxrd@z Thu Jan 1 00:00:00 1970 From: emisca Subject: Re: Loud "pop" coming from hard drive on reboot Date: Sun, 15 Apr 2007 18:07:04 +0200 Message-ID: <414cba4e0704150907r215bf196n637070dd40bccc3b@mail.gmail.com> References: <461D4E2C.6000704@redhat.com> <461D54AF.3060706@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from ik-out-1112.google.com ([66.249.90.182]:29023 "EHLO ik-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753025AbXDOQHG (ORCPT ); Sun, 15 Apr 2007 12:07:06 -0400 Received: by ik-out-1112.google.com with SMTP id c21so1316216ika for ; Sun, 15 Apr 2007 09:07:05 -0700 (PDT) In-Reply-To: <461D54AF.3060706@redhat.com> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Chuck Ebbert Cc: Jan Engelhardt , Bartlomiej Zolnierkiewicz , linux-kernel , linux-ide@vger.kernel.org I can confirm this, I have a Seagate Momentus 5400.3 sata disk, and it spins off, respin up and again off when I halt my notebook. I had before this disk an IBM/Hitachi one, and it doesn't have this behaviour. Take a look at this bug report: https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.17/+bug/67810 There are some references and some patches against 2.6.20 kernel. This bug is confirmed there. Bye 2007/4/11, Chuck Ebbert : > Jan Engelhardt wrote: > > On Apr 11 2007 17:07, Chuck Ebbert wrote: > >> When I reboot my notebook, it powers off and powers back on. > >> On poweroff a loud snapping noise seems to be coming from the > >> hard drive. Today I noticed there is no "shutdown: hda" on > >> the console when I reboot. Whne I do a normal poweroff the > >> message is displayed and there is no noise. Should the IDE > >> code be changed so it always shuts down the drive? > > > > What sort of notebook? What sort of harddisk? > > Compaq Presario V2000 series, with a new Seagate ST9120821A > 120GB 5400RPM drive. > > > Is it as loud as `hdparm -y /dev/hdX"? > > That makes no noise at all except normal drive seek noises. > > > Try `smartctl -d ata -a /dev/hdX | grep -i unload` too. > > Hmm. > > Power_Cycle_Count ... 108 > Power-Off_Retract_Count ... 90 > > I did a normal poweroff and the retract count went to 91. > There is an almost-unnoticeable click when I do it that way. > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >