Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964872AbVIMQgH (ORCPT ); Tue, 13 Sep 2005 12:36:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964870AbVIMQgG (ORCPT ); Tue, 13 Sep 2005 12:36:06 -0400 Received: from stat9.steeleye.com ([209.192.50.41]:42707 "EHLO hancock.sc.steeleye.com") by vger.kernel.org with ESMTP id S964868AbVIMQgE (ORCPT ); Tue, 13 Sep 2005 12:36:04 -0400 Subject: Re: [2.6.14-rc1] sym scsi boot hang From: James Bottomley To: Anton Blanchard Cc: Dipankar Sarma , SCSI Mailing List , Linux Kernel In-Reply-To: <20050913142939.GE26162@krispykreme> References: <20050913124804.GA5008@in.ibm.com> <20050913131739.GD26162@krispykreme> <20050913142939.GE26162@krispykreme> Content-Type: text/plain Date: Tue, 13 Sep 2005 11:35:44 -0500 Message-Id: <1126629345.4809.36.camel@mulgrave> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 (2.0.4-6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 690 Lines: 19 On Wed, 2005-09-14 at 00:29 +1000, Anton Blanchard wrote: > I just noticed a similar hang on the ibmvscsi driver. The following > backout patch seems to fix it (part of the scsi merge yesterday), I'll > look closer after I get some sleep. If that's the cause, it's probably a double down of the host scan semaphore somewhere in the code. alt-sysrq-t should work in this case, can you get a stack trace of the blocked process? Thanks, James - 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/