Description of problem: Upon booting the kernel complains (snipped from /var/log/messages) ...etc... Feb 16 07:29:33 wantowen kernel: [ 31.876876] [Firmware Bug]: ACPI(MXM3) defines _DOD but not _DOS Feb 16 07:29:33 wantowen kernel: [ 31.877135] [Firmware Bug]: ACPI: ACPI brightness control misses _BQC function Feb 16 07:29:33 wantowen kernel: [ 31.877154] [Firmware Bug]: ACPI: ACPI brightness control misses _BQC function Feb 16 07:29:33 wantowen kernel: [ 31.883717] acpi device:02: registered as cooling_device12 Feb 16 07:29:33 wantowen kernel: [ 31.884140] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/LNX VIDEO:00/input/input4 Feb 16 07:29:33 wantowen kernel: [ 31.884172] ACPI: Video Device [MXM3] (multi-head: yes rom: no post: no) Feb 16 07:29:33 wantowen kernel: [ 31.884189] [Firmware Bug]: ACPI(MXM3) defines _DOD but not _DOS Feb 16 07:29:33 wantowen kernel: [ 31.884191] ------------[ cut here ]------------ Feb 16 07:29:33 wantowen kernel: [ 31.884195] WARNING: at fs/proc/generic.c:583 proc_register+0x158/0x195() Feb 16 07:29:33 wantowen kernel: [ 31.884196] Hardware name: X7200 Feb 16 07:29:33 wantowen kernel: [ 31.884198] proc_dir_entry 'video/MXM3' already registered Feb 16 07:29:33 wantowen kernel: [ 31.884198] Modules linked in: crc_itu_t video(+) output Feb 16 07:29:33 wantowen kernel: [ 31.884202] Pid: 294, comm: modprobe Not tainted 2.6.35.14-95.fc14.x86_64 #1 Feb 16 07:29:33 wantowen kernel: [ 31.884203] Call Trace: Feb 16 07:29:33 wantowen kernel: [ 31.884207] [<ffffffff8104dd31>] warn_slowpath_common+0x85/0x9d Feb 16 07:29:33 wantowen kernel: [ 31.884209] [<ffffffff8104ddec>] warn_slowpath_fmt+0x46/0x48 Feb 16 07:29:33 wantowen kernel: [ 31.884211] [<ffffffff81165a4f>] proc_register+0x158/0x195 Feb 16 07:29:33 wantowen kernel: [ 31.884213] [<ffffffff8116611a>] proc_mkdir_mode+0x42/0x5a Feb 16 07:29:33 wantowen kernel: [ 31.884215] [<ffffffff81166148>] proc_mkdir+0x16/0x18 Feb 16 07:29:33 wantowen kernel: [ 31.884218] [<ffffffffa000d9ac>] acpi_video_bus_add+0x289/0x1029 [video] Feb 16 07:29:33 wantowen kernel: [ 31.884222] [<ffffffff8146a744>] ? mutex_unlock+0x1b/0x1d Feb 16 07:29:33 wantowen kernel: [ 31.884224] [<ffffffff8116f9b5>] ? sysfs_addrm_finish+0x2f/0xb9 Feb 16 07:29:33 wantowen kernel: [ 31.884226] [<ffffffff8116fca8>] ? sysfs_add_one+0x21/0xf8 Feb 16 07:29:33 wantowen kernel: [ 31.884227] [<ffffffff8146a886>] ? mutex_lock+0x29/0x50 Feb 16 07:29:33 wantowen kernel: [ 31.884230] [<ffffffff81170537>] ? sysfs_do_create_link+0x144/0x18c Feb 16 07:29:33 wantowen kernel: [ 31.884233] [<ffffffff8126972b>] acpi_device_probe+0x50/0x122 Feb 16 07:29:33 wantowen kernel: [ 31.884237] [<ffffffff812d8f2f>] driver_probe_device+0x14b/0x271 Feb 16 07:29:33 wantowen kernel: [ 31.884239] [<ffffffff812d90b2>] __driver_attach+0x5d/0x81 Feb 16 07:29:33 wantowen kernel: [ 31.884241] [<ffffffff812d9055>] ? __driver_attach+0x0/0x81 Feb 16 07:29:33 wantowen kernel: [ 31.884243] [<ffffffff812d7e33>] bus_for_each_dev+0x56/0x82 Feb 16 07:29:33 wantowen kernel: [ 31.884245] [<ffffffff812d8b00>] driver_attach+0x1e/0x20 Feb 16 07:29:33 wantowen kernel: [ 31.884246] [<ffffffff812d86da>] bus_add_driver+0xf1/0x25e Feb 16 07:29:33 wantowen kernel: [ 31.884249] [<ffffffff812d9316>] driver_register+0x9b/0x108 Feb 16 07:29:33 wantowen kernel: [ 31.884251] [<ffffffff81269d31>] acpi_bus_register_driver+0x43/0x45 Feb 16 07:29:33 wantowen kernel: [ 31.884254] [<ffffffffa000e7dc>] acpi_video_register+0x49/0x75 [video] Feb 16 07:29:33 wantowen kernel: [ 31.884256] [<ffffffffa0014085>] acpi_video_init+0x73/0x75 [video] Feb 16 07:29:33 wantowen kernel: [ 31.884260] [<ffffffff8106aeac>] ? __blocking_notifier_call_chain+0x56/0x60 Feb 16 07:29:33 wantowen kernel: [ 31.884263] [<ffffffffa0014012>] ? acpi_video_init+0x0/0x75 [video] Feb 16 07:29:33 wantowen kernel: [ 31.884266] [<ffffffff810021a1>] do_one_initcall+0x5e/0x155 Feb 16 07:29:33 wantowen kernel: [ 31.884269] [<ffffffff8107d1bd>] sys_init_module+0xa6/0x1e4 Feb 16 07:29:33 wantowen kernel: [ 31.884272] [<ffffffff81009cb2>] system_call_fastpath+0x16/0x1b Feb 16 07:29:33 wantowen kernel: [ 31.884273] ---[ end trace d989bc528ab81502 ]--- Feb 16 07:29:33 wantowen kernel: [ 31.888700] acpi device:08: registered as cooling_device13 Feb 16 07:29:33 wantowen kernel: [ 31.889141] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:07/LNX VIDEO:01/input/input5 Feb 16 07:29:33 wantowen kernel: [ 31.889181] ACPI: Video Device [MXM3] (multi-head: yes rom: no post: no) Feb 16 07:29:33 wantowen kernel: [ 31.891577] firewire_ohci 0000:08:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 Feb 16 07:29:33 wantowen kernel: [ 31.892626] sdhci: Secure Digital Host Controller Interface driver Feb 16 07:29:33 wantowen kernel: [ 31.892628] sdhci: Copyright(c) Pierre Ossman Feb 16 07:29:33 wantowen kernel: [ 31.893563] sdhci-pci 0000:0a:00.2: SDHCI controller found [197b:2391] (rev 90) Feb 16 07:29:33 wantowen kernel: [ 31.893600] sdhci-pci 0000:0a:00.2: PCI INT B -> GSI 16 (level, low) -> IRQ 16 Feb 16 07:29:33 wantowen kernel: [ 31.893735] mmc0: SDHCI controller on PCI [0000:0a:00.2] using DMA Feb 16 07:29:33 wantowen kernel: [ 31.946072] usb 4-2: New USB device found, idVendor=147e, idProduct=1001 Feb 16 07:29:33 wantowen kernel: [ 31.946076] usb 4-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Feb 16 07:29:33 wantowen kernel: [ 31.946080] usb 4-2: Product: Fingerprint Sensor Feb 16 07:29:33 wantowen kernel: [ 31.946082] usb 4-2: Manufacturer: TouchStrip ...etc... Version-Release number of selected component (if applicable): $ uname -a Linux wantowen 2.6.35.14-95.fc14.x86_64 #1 SMP Tue Aug 16 21:01:58 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux How reproducible: on every boot. Steps to Reproduce: 1. /sbin/reboot 2. see the /var/log/messages 3. Actual results: Expected results: Additional info: Otherwise the machine is operable and happy. I have dual-screen setup, it is working fine.
F14 is EOL. Please upgrade.