From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1M6ogE-0003Tc-5S for qemu-devel@nongnu.org; Wed, 20 May 2009 12:30:10 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1M6ogC-0003T9-F2 for qemu-devel@nongnu.org; Wed, 20 May 2009 12:30:09 -0400 Received: from [199.232.76.173] (port=36817 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M6ogC-0003T6-7I for qemu-devel@nongnu.org; Wed, 20 May 2009 12:30:08 -0400 Received: from mx03.syneticon.net ([78.111.66.105]:47853) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1M6ogB-0003Xz-Lu for qemu-devel@nongnu.org; Wed, 20 May 2009 12:30:07 -0400 Received: from localhost (filter1.syneticon.net [192.168.113.83]) by mx03.syneticon.net (Postfix) with ESMTP id 30F31360DF for ; Wed, 20 May 2009 18:30:06 +0200 (CEST) Received: from mx03.syneticon.net ([192.168.113.84]) by localhost (mx03.syneticon.net [192.168.113.83]) (amavisd-new, port 10025) with ESMTP id Cg04Ebai8hCI for ; Wed, 20 May 2009 18:30:04 +0200 (CEST) Received: from [192.168.10.145] (koln-4db4e6cc.pool.einsundeins.de [77.180.230.204]) by mx03.syneticon.net (Postfix) with ESMTPSA for ; Wed, 20 May 2009 18:30:04 +0200 (CEST) Message-ID: <4A14300B.4000204@wpkg.org> Date: Wed, 20 May 2009 18:30:03 +0200 From: Tomasz Chmielewski MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [Fwd: Re: i8042 buffer size?] List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org As a follow up to "i8042.c: No controller found..." thread - below are the scancodes which Linux receives, and a comment from a former i8042 Linux maintainer (Vojtech Pavlik fro SuSE Labs): > May 20 12:25:09: 18 81 7f 18 81 7f 18 8e 53 28 00 ff 28 00 > May 20 13:45:43: 09 00 00 08 00 00 18 ff 00 18 ff 00 18 fe 01 08 > May 20 13:57:06: 08 7f 7b 08 7f 00 08 26 00 28 00 fc 38 fe fa 38 > May 20 14:01:55: 38 ea 97 28 00 ff 28 00 ff 28 00 ff 28 00 ff 28 00 ff 28 00 ff 38 ff ff 28 00 ff 28 00 ff 28 00 > May 20 14:14:35: 28 00 ff 28 00 fe 28 00 f9 38 ff f7 28 00 f8 38 fd f2 38 f7 cb 38 fe f5 38 fc e3 38 fe f2 38 fe f2 38 fe f1 38 fe f0 38 fe f1 38 fe f2 38 fe f5 38 fe f5 > May 20 14:15:01: 18 f9 01 18 ff 02 08 00 02 08 00 03 18 fe 06 18 fe 07 18 fc 09 18 fd 09 18 fb 09 18 fa 0a 18 fe 0b 18 fb 08 18 fe 07 18 ff 03 08 00 01 08 00 01 08 00 01 09 00 00 08 00 00 08 00 01 28 00 fe 38 ff ff 28 00 fe 18 ff 00 28 00 ff 18 ff 00 28 00 ff 18 ff 00 09 00 00 08 00 00 18 fb 00 18 f8 00 18 f9 00 18 fe 00 18 ff 01 18 fe 01 18 f9 02 18 fe 00 09 00 00 > May 20 14:20:54: 09 00 00 08 00 00 18 ff 00 18 fc 00 18 fa 00 18 f9 00 18 f9 00 18 fa 00 18 f8 00 18 f7 00 18 f8 00 18 fa 00 18 fa 00 18 fa 00 18 fa 00 18 fc 00 18 fc 00 18 fd 00 38 ff ff 18 ff 00 18 ff 00 18 ff 00 18 ff 00 18 ff 00 18 ff 00 18 fe 00 18 ff 00 18 ff 00 18 fe 00 18 ff 00 18 ff 00 18 ff 00 18 ff 00 18 ff 00 18 ff 00 08 00 01 18 ff 00 18 ff 00 18 ff 01 18 ff 00 08 00 01 18 ff 00 18 fe 02 18 ff 00 18 ff 00 18 ff 01 18 fd 00 18 fd 00 18 fa 00 18 f7 00 18 f7 00 18 f4 00 18 f3 00 18 ef 00 18 ee 01 18 ed 03 18 ec 04 18 e9 02 08 7f 08 08 7f 00 08 44 00 09 00 00 19 fc 01 08 00 00 38 81 ff 18 92 00 This looks seriously like uninitialized memory (12-bit FAT perhaps?) - and very much like a Qemu bug. It doesn't even make sense if interpreted as keyboard scancodes - 00 is reserved and ff is an error condition. -- Tomasz Chmielewski http://wpkg.org