Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754041Ab1CANsc (ORCPT ); Tue, 1 Mar 2011 08:48:32 -0500 Received: from ironport2-out.teksavvy.com ([206.248.154.181]:52039 "EHLO ironport2-out.pppoe.ca" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753781Ab1CANsb (ORCPT ); Tue, 1 Mar 2011 08:48:31 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApIBAGaHbE1Ld/sX/2dsb2JhbAAMhBzNJ5ElgSeDRHYEhRI X-IronPort-AV: E=Sophos;i="4.62,246,1297054800"; d="scan'208";a="93923058" Message-ID: <4D6CF92A.4020105@teksavvy.com> Date: Tue, 01 Mar 2011 08:48:26 -0500 From: Mark Lord User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: Tejun Heo CC: Krzysztof Halasa , linux-ide@vger.kernel.org, lkml , linux-scsi@vger.kernel.org Subject: Re: NEC ND-4550A problems reading DVD-R References: <20110301080153.GA26074@htj.dyndns.org> In-Reply-To: <20110301080153.GA26074@htj.dyndns.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 719 Lines: 18 On 11-03-01 03:01 AM, Tejun Heo wrote: .. > I think that's determined by drivers/scsi/sr.h::SR_TIMEOUT which is > hardcoded to be 30 seconds. Maybe it's better to move it to use the > block parameter. Anyways, the drive actually takes longer than 30secs > to recognize the media? That slow behaviour is not uncommon, especially as drives struggle to recognize various forms of copy-protected media (DVD-Video). A longer default, or tuneable timeout, would help. Cheers -- 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/