Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964913AbVIMRSK (ORCPT ); Tue, 13 Sep 2005 13:18:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964906AbVIMRSK (ORCPT ); Tue, 13 Sep 2005 13:18:10 -0400 Received: from ozlabs.org ([203.10.76.45]:33700 "EHLO ozlabs.org") by vger.kernel.org with ESMTP id S964902AbVIMRSI (ORCPT ); Tue, 13 Sep 2005 13:18:08 -0400 Date: Wed, 14 Sep 2005 02:47:27 +1000 From: Anton Blanchard To: James Bottomley Cc: Dipankar Sarma , SCSI Mailing List , Linux Kernel Subject: Re: [2.6.14-rc1] sym scsi boot hang Message-ID: <20050913164727.GA26353@krispykreme> References: <20050913124804.GA5008@in.ibm.com> <20050913131739.GD26162@krispykreme> <20050913142939.GE26162@krispykreme> <1126629345.4809.36.camel@mulgrave> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1126629345.4809.36.camel@mulgrave> User-Agent: Mutt/1.5.10i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1395 Lines: 35 Hi, > 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? Good idea, I wonder why the IO isnt completing. Anton [c0000000004945fc] schedule+0x63c/0xf70 [c0000000004954c8] wait_for_completion+0xb8/0x140 [c0000000002a3800] blk_execute_rq+0xb0/0x120 [c000000000338a98] scsi_execute+0xf8/0x150 [c000000000338bc0] scsi_execute_req+0xd0/0x140 [c00000000033bce4] scsi_probe_and_add_lun+0x204/0x9f0 [c00000000033cfc4] __scsi_scan_target+0x164/0x4f0 [c00000000033d430] scsi_scan_channel+0xe0/0x120 [c00000000033d598] scsi_scan_host_selected+0x128/0x1d0 [c000000000361c20] ibmvscsi_probe+0x270/0x400 [c0000000000367fc] vio_bus_probe+0x7c/0x90 [c000000000299a78] driver_probe_device+0x98/0x160 [c000000000299ce8] __driver_attach+0xa8/0xd0 [c000000000298938] bus_for_each_dev+0x88/0xe0 [c000000000299738] driver_attach+0x28/0x40 [c000000000299074] bus_add_driver+0xc4/0x200 [c00000000029a1cc] driver_register+0x5c/0x80 [c0000000000365b0] vio_register_driver+0x50/0x70 [c000000000565bac] ibmvscsi_module_init+0x1c/0x40 - 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/