Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751222AbWEEXkS (ORCPT ); Fri, 5 May 2006 19:40:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751231AbWEEXkS (ORCPT ); Fri, 5 May 2006 19:40:18 -0400 Received: from mailhub.sw.ru ([195.214.233.200]:33194 "EHLO relay.sw.ru") by vger.kernel.org with ESMTP id S1751222AbWEEXkQ convert rfc822-to-8bit (ORCPT ); Fri, 5 May 2006 19:40:16 -0400 Message-ID: <445BE327.4030104@sw.ru> Date: Sat, 06 May 2006 03:43:35 +0400 From: Vasily Averin Organization: SW-soft User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.7.12) Gecko/20050921 X-Accept-Language: en-us, en, ru MIME-Version: 1.0 To: James Bottomley CC: linux-scsi@vger.kernel.org, Neela.Kolli@engenio.com, Atul Mukker , Seokmann.Ju@lsil.com, sreenib@lsil.com, devel@openvz.org, Linux Kernel Mailing List Subject: Re: megaraid_mbox: garbage in file References: <445A4C8F.5030204@sw.ru> <1146783568.22932.105.camel@mulgrave.il.steeleye.com> <445AE4A5.8070202@sw.ru> <1146844763.9848.17.camel@mulgrave.il.steeleye.com> <445B96B9.20100@sw.ru> <1146859509.9848.110.camel@mulgrave.il.steeleye.com> In-Reply-To: <1146859509.9848.110.camel@mulgrave.il.steeleye.com> X-Enigmail-Version: 0.90.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1494 Lines: 34 James Bottomley wrote: > On Fri, 2006-05-05 at 22:17 +0400, Vasily Averin wrote: >> megaraid mailbox: status:0x0 cmd:0xa7 id:0x25 sec:0x1a >> lba:0x33f624ac addr:0xffffffff ld:128 sg:4 >> scsi cmnd: 0x28 0x00 0x33 0xf6 0x24 0xac 0x00 0x00 0x1a 0x00 >> mbox request_buffer eafde340 use_sg 4 >> mbox sg0: page 077a0474 off 0 addr 1fd575000 len 4096 virt ff15a000 >> first 03020100 page->flags 40020101 >> mbox sg1: page 077b5738 off 0 addr 1fdede000 len 4096 virt ff141000 >> first 03020100 page->flags 40020101 >> mbox sg2: page 077ad500 off 0 addr 1fdb40000 len 4096 virt ff056000 >> first 03020100 page->flags 40020101 >> mbox sg3: page 030d46e8 off 1024 addr 5e6a400 len 1024 virt 07e6a400 >> first 03020100 page->flags 20001004 > > The odd thing about this is that the highmem addresses shouldn't have a > virtual mapping (since nothing should have called kmap on them). You are right, in the other my experiments highmem pages usually have virt=0 and I cannot find who is kmapped these pages. I'll investigate this issue later: first ?? all I'll try to reproduce this issue on 2.6.16 kernel. Thank you, Vasily Averin SWsoft Virtuozzo/OpenVZ Linux kernel team - 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/