From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: sata_sil24 stability and performance Date: Mon, 14 Apr 2008 11:49:17 +0900 Message-ID: <4802C62D.1060606@gmail.com> References: <20080306065513.GE7150@denix.org> <47CF9880.4080900@gmail.com> <20080315214347.GA1511@denix.org> <47DDE0ED.6040304@rtr.ca> <20080318001513.GA2389@denix.org> <47DF4070.3040507@gmail.com> <20080318045316.GA3959@denix.org> <47DF63C1.5090205@gmail.com> <20080320223736.GA19940@denix.org> <47E2FECB.3080602@gmail.com> <20080414011913.GA19751@denix.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.182]:2621 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752875AbYDNCtl (ORCPT ); Sun, 13 Apr 2008 22:49:41 -0400 Received: by wa-out-1112.google.com with SMTP id m16so2061155waf.23 for ; Sun, 13 Apr 2008 19:49:40 -0700 (PDT) In-Reply-To: <20080414011913.GA19751@denix.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Denys Dmytriyenko Cc: Mark Lord , Gabor FUNK , linux-ide@vger.kernel.org, Jim Paris , Bruce Allen Denys Dmytriyenko wrote: > Tejun et al, > > I wanted to thank you all for the support you provided. I ended up replacing > MoBo+CPU to Intel based ones (and previously mentioned single-rail PSU) and > now everything works rock solid for over a week now! Thanks again. > >>> BTW, issuing "smartctl -a" on a drive in standby, throws this exception: >>> >>> Mar 20 18:16:53 [kernel] ata10.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen >>> Mar 20 18:16:53 [kernel] ata10.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 0 >>> Mar 20 18:16:53 [kernel] res 40/00:01:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) >>> Mar 20 18:16:53 [kernel] ata10: soft resetting port >>> Mar 20 18:16:54 [kernel] ata10: SATA link up 3.0 Gbps (SStatus 123 SControl 300) >>> Mar 20 18:16:54 [kernel] ata10.00: configured for UDMA/100 >>> Mar 20 18:16:54 [kernel] ata10: EH complete >>> Mar 20 18:16:54 [kernel] sd 9:0:0:0: [sdj] 976773168 512-byte hardware sectors (500108 MB) >>> Mar 20 18:16:54 [kernel] sd 9:0:0:0: [sdj] Write Protect is off >>> Mar 20 18:16:54 [kernel] sd 9:0:0:0: [sdj] Mode Sense: 00 3a 00 00 >>> Mar 20 18:16:54 [kernel] sd 9:0:0:0: [sdj] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA >> Which kernel version and how did you put the drive into sleep? > > This timeout exception is still there - 2.6.24.4, drive goes to sleep on > timeout of 30 minutes (hdpram -S 241) Yeah, this is still under discussion. It seems smartd will need to issue CHECK POWER before issuing other commands. -- tejun