Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752114AbbFXXzz (ORCPT ); Wed, 24 Jun 2015 19:55:55 -0400 Received: from mail-la0-f46.google.com ([209.85.215.46]:33534 "EHLO mail-la0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751014AbbFXXzq (ORCPT ); Wed, 24 Jun 2015 19:55:46 -0400 MIME-Version: 1.0 In-Reply-To: <20150624162852.GA29182@kroah.com> References: <20150623182612.GA27461@rhlx01.hs-esslingen.de> <3819569.ix7n6b03GW@merkaba> <20150624162852.GA29182@kroah.com> Date: Thu, 25 Jun 2015 07:55:45 +0800 Message-ID: Subject: Re: Stop SSD from waiting for "Spinning up disk..." From: Jeff Chua To: Greg Kroah-Hartman Cc: Martin Steigerwald , Andreas Mohr , lkml , Christoph Hellwig Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 937 Lines: 22 On Thu, Jun 25, 2015 at 12:28 AM, Greg Kroah-Hartman wrote: > On Thu, Jun 25, 2015 at 12:22:47AM +0800, Jeff Chua wrote: >> Both sda and sdb have the same SSD model. > > That's a bug in your USB bridge chip, odds are it is not reporting the > value properly. There's nothing the scsi core or USB stack can do about > this, sorry. Please complain to the hardware manufacturer. There are workaround boot cmdline parameters for other things ... any chance to consider one to fix broken rotational option? I'm not sure how many out there are broken, but I really would like a faster way to access my USB SSD without waiting for the "disk spinup". Thanks, Jeff. -- 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/