Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268214AbUI1TZW (ORCPT ); Tue, 28 Sep 2004 15:25:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268206AbUI1TZV (ORCPT ); Tue, 28 Sep 2004 15:25:21 -0400 Received: from jurassic.park.msu.ru ([195.208.223.243]:53633 "EHLO jurassic.park.msu.ru") by vger.kernel.org with ESMTP id S268138AbUI1TZC (ORCPT ); Tue, 28 Sep 2004 15:25:02 -0400 Date: Tue, 28 Sep 2004 23:24:34 +0400 From: Ivan Kokshaysky To: Ingvar Hagelund Cc: linux-kernel@vger.kernel.org Subject: Re: 2.4.27: md RAID1 oops on alpha revisited Message-ID: <20040928232434.A18395@jurassic.park.msu.ru> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from ingvar@linpro.no on Tue, Sep 28, 2004 at 01:44:24AM +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1253 Lines: 29 On Tue, Sep 28, 2004 at 01:44:24AM +0200, Ingvar Hagelund wrote: > We have a Compaq Alphaserver DS10 466 MHz running Debian Woody with a > self compiled 2.4.27 from kernel.org. We have not been able to make it > run stable on md RAID1. It always crashes in less than an hour > uptime, presumely while stressing the RAID code. Running on single > disks, it's rock stable. The problem seems to be in qlogic isp1020 driver, not in the RAID code. I've seen exactly the same oops report, but that had happened while writing to SCSI tape. > Code; fffffc000050da00 > 14: 49 00 40 d3 bsr ra,13c <_PC+0x13c> fffffc000050db28 > Code; fffffc000050da04 <===== > 18: 40 02 09 b0 stl v0,576(s0) <===== It's the line 1052 in drivers/scsi/qlogicisp.c: if (sts->hdr.entry_type == ENTRY_STATUS) Cmnd->result = isp1020_return_status(sts); The "Cmnd" pointer happened to be a NULL somehow... Ivan. - 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/