From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756097Ab2CBAVY (ORCPT ); Thu, 1 Mar 2012 19:21:24 -0500 Received: from ironport2-out.teksavvy.com ([206.248.154.183]:7106 "EHLO ironport2-out.teksavvy.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755111Ab2CBAVX (ORCPT ); Thu, 1 Mar 2012 19:21:23 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArwBAKU/KE8Y9geI/2dsb2JhbAAMgVOCPbt0hkyBK4NngQcEhlCYVA X-IronPort-AV: E=Sophos;i="4.73,1,1325480400"; d="scan'208";a="165463031" Message-ID: <4F501282.8050408@teksavvy.com> Date: Thu, 01 Mar 2012 19:21:22 -0500 From: Mark Lord User-Agent: Mozilla/5.0 (X11; Linux i686; rv:9.0) Gecko/20111222 Thunderbird/9.0.1 MIME-Version: 1.0 To: Linus Torvalds CC: Linux Kernel Mailing List Subject: Re: Linux 3.3-rc5 References: <4F4B9FFE.5050709@teksavvy.com> <4F4F8BEE.3040806@teksavvy.com> <4F5011AC.2020909@teksavvy.com> In-Reply-To: <4F5011AC.2020909@teksavvy.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12-03-01 07:17 PM, Mark Lord wrote: .. > Here's a go, 64-bit kernel (3.2.8), 32-bit userspace: > > Dell laptop SMM driver v1.14 21/02/2005 Massimo Dal Zotto (dz@debian.org) > ioctl32(i8kctl:1474): Unknown cmd fd(3) cmd(80046980){t:'i';sz:4} arg(ff8b1fd8) > on /proc/i8k > ioctl32(i8kctl:1475): Unknown cmd fd(3) cmd(c0046986){t:'i';sz:4} arg(ff90ed5c) > on /proc/i8k > ioctl32(i8kctl:1475): Unknown cmd fd(3) cmd(c0046986){t:'i';sz:4} arg(ff90ed5c) > on /proc/i8k > > I'll reboot/redo that again with strace shortly. It all seems to work in 32-bit/32-bit mode, by the way. Here's the promised strace from 64/32 mode: $ strace -e raw=ioctl i8kctl fan execve("/usr/bin/i8kctl", ["i8kctl", "fan"], [/* 21 vars */]) = 0 brk(0) = 0x8e6a000 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf77c9000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=123776, ...}) = 0 mmap2(NULL, 123776, PROT_READ, MAP_PRIVATE, 3, 0) = 0xf77aa000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/tls/i686/cmov/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0000m\1\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=1405508, ...}) = 0 mmap2(NULL, 1415592, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf7650000 mprotect(0xf77a3000, 4096, PROT_NONE) = 0 mmap2(0xf77a4000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x153) = 0xf77a4000 mmap2(0xf77a7000, 10664, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xf77a7000 close(3) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf764f000 set_thread_area({entry_number:-1 -> 12, base_addr:0xf764f8d0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 mprotect(0xf77a4000, 8192, PROT_READ) = 0 mprotect(0x804a000, 4096, PROT_READ) = 0 mprotect(0xf77e7000, 4096, PROT_READ) = 0 munmap(0xf77aa000, 123776) = 0 open("/proc/i8k", O_RDONLY) = 3 ioctl(0x3, 0xc0046986, 0xffc06dcc) = -1 (errno 22) ioctl(0x3, 0xc0046986, 0xffc06dcc) = -1 (errno 22) fstat64(1, {st_mode=S_IFREG|0644, st_size=1848, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf77c8000 write(1, "-1 -1\n", 6-1 -1 ) = 6 exit_group(0) = ? and from dmesg: ioctl32(i8kctl:1434): Unknown cmd fd(3) cmd(c0046986){t:'i';sz:4} arg(ffc06dcc) on /proc/i8k ioctl32(i8kctl:1434): Unknown cmd fd(3) cmd(c0046986){t:'i';sz:4} arg(ffc06dcc) on /proc/i8k