Re, I make the same test with no boot option (without "acpi=off") and the result is very different (we can find touchpad, MSI buttons,...).
I have a loop trace in my syslog : Jun 6 16:21:22 MSI-I7 kernel: [ 720.502545] NMI watchdog: BUG: soft lockup - CPU#6 stuck for 23s! [systemd-logind:759] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503044] Modules linked in: rfcomm pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) rtsx_usb_ms memstick bnep binfmt_misc intel_rapl arc4 x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_hdmi coretemp snd_hda_codec_realtek snd_hda_codec_generic kvm_intel kvm snd_hda_intel snd_hda_codec iwlmvm snd_hda_core snd_hwdep mac80211 msi_wmi snd_pcm irqbypass crct10dif_pclmul sparse_keymap snd_seq_midi crc32_pclmul snd_seq_midi_event ghash_clmulni_intel snd_rawmidi btusb aesni_intel snd_seq btrtl snd_seq_device iwlwifi aes_x86_64 snd_timer lrw gf128mul glue_helper snd ablk_helper cryptd joydev input_leds soundcore serio_raw cfg80211 mei_me mei hci_uart btbcm btqca btintel shpchp bluetooth acpi_als intel_lpss_acpi kfifo_buf intel_lpss acpi_pad industrialio mac_hid parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq hid_generic rtsx_usb_sdmmc usbhid rtsx_usb nouveau i915 mxm_wmi ttm i2c_algo_bit drm_kms_helper psmouse syscopyarea sysfillre ct sysimgblt fb_sys_fops alx ahci drm mdio libahci wmi video pinctrl_sunrisepoint i2c_hid pinctrl_intel hid fjes Jun 6 16:21:22 MSI-I7 kernel: [ 720.503074] CPU: 6 PID: 759 Comm: systemd-logind Tainted: G OEL 4.6.0-040600-generic #201605151930 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503075] Hardware name: Micro-Star International Co., Ltd. GP72 6QE/MS-1795, BIOS E1795IMS.10C 12/10/2015 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503076] task: ffff880278f7af00 ti: ffff880277e7c000 task.ti: ffff880277e7c000 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503077] RIP: 0010:[<ffffffff8140bbe0>] [<ffffffff8140bbe0>] ioread32+0x30/0x40 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503079] RSP: 0018:ffff880277e7fb50 EFLAGS: 00000296 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503080] RAX: 00000000ffffffff RBX: ffff8802739b2c00 RCX: 0000000000000018 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503081] RDX: 001f4ab7ed8cf070 RSI: ffffc9000410a014 RDI: ffffc9000410a04c Jun 6 16:21:22 MSI-I7 kernel: [ 720.503081] RBP: ffff880277e7fb80 R08: 00000000750c0701 R09: 0000000180400038 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503082] R10: ffff880277e7faf0 R11: 0000000000000000 R12: 0000000000000000 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503083] R13: ffff880273504c08 R14: ffff880279f9bd00 R15: ffffffffffffffff Jun 6 16:21:22 MSI-I7 kernel: [ 720.503083] FS: 00007f4f0c3128c0(0000) GS:ffff880283d80000(0000) knlGS:0000000000000000 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503085] CR2: 00007fc87404b008 CR3: 000000027802c000 CR4: 00000000003406e0 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503086] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503087] Stack: Jun 6 16:21:22 MSI-I7 kernel: [ 720.503087] ffffffffc0367d65 ffff880273504c08 ffff8802739b2c00 000000631f5fe80d Jun 6 16:21:22 MSI-I7 kernel: [ 720.503089] 0000000000000010 ffff880074ea90d8 ffff880277e7fba8 ffffffffc0322b11 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503090] 0000000000000000 ffff8802739b2c00 000000631d60e6f4 ffff880277e7fbe0 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503091] Call Trace: Jun 6 16:21:22 MSI-I7 kernel: [ 720.503110] [<ffffffffc0367d65>] ? nvkm_pmu_init+0x75/0x450 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503120] [<ffffffffc0322b11>] nvkm_subdev_init+0x91/0x200 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503135] [<ffffffffc0373406>] nvkm_device_init+0x146/0x280 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503151] [<ffffffffc0376e08>] nvkm_udevice_init+0x48/0x60 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503159] [<ffffffffc0321410>] nvkm_object_init+0x40/0x190 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503167] [<ffffffffc0321484>] nvkm_object_init+0xb4/0x190 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503175] [<ffffffffc031e55e>] nvkm_client_init+0xe/0x10 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503191] [<ffffffffc03baf4e>] nvkm_client_resume+0xe/0x10 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503199] [<ffffffffc031d7c7>] nvif_client_resume+0x17/0x20 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503215] [<ffffffffc03b860b>] nouveau_do_resume+0x4b/0x120 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503231] [<ffffffffc03b8a09>] nouveau_pmops_runtime_resume+0x79/0x120 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503233] [<ffffffff814449db>] pci_pm_runtime_resume+0x7b/0xa0 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503235] [<ffffffff81565573>] __rpm_callback+0x33/0x70 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503236] [<ffffffff81444960>] ? pci_restore_standard_config+0x40/0x40 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503238] [<ffffffff815655d4>] rpm_callback+0x24/0x80 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503239] [<ffffffff81444960>] ? pci_restore_standard_config+0x40/0x40 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503241] [<ffffffff81565d81>] rpm_resume+0x491/0x690 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503242] [<ffffffff8156680e>] __pm_runtime_resume+0x4e/0x70 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503258] [<ffffffffc03b87a8>] nouveau_drm_ioctl+0x38/0xc0 [nouveau] Jun 6 16:21:22 MSI-I7 kernel: [ 720.503259] [<ffffffff812372c1>] do_vfs_ioctl+0xa1/0x5b0 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503261] [<ffffffff817183d4>] ? __sys_sendmsg+0x54/0x90 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503263] [<ffffffff817183d4>] ? __sys_sendmsg+0x54/0x90 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503264] [<ffffffff81237849>] SyS_ioctl+0x79/0x90 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503265] [<ffffffff818421b6>] entry_SYSCALL_64_fastpath+0x1e/0xa8 Jun 6 16:21:22 MSI-I7 kernel: [ 720.503266] Code: 03 00 77 25 48 81 ff 00 00 01 00 76 05 0f b7 d7 ed c3 55 48 c7 c6 75 c1 cb 81 48 89 e5 e8 19 ff ff ff b8 ff ff ff ff 5d c3 8b 07 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 81 fe ff ff Thanks ** Attachment added: "devices.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1584479/+attachment/4678217/+files/devices.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1584479 Title: [MSI GP72 6QE Leopard Pro] Touchpad not detected on 16.04 Status in linux package in Ubuntu: Confirmed Bug description: Hi, I just install Ubuntu 16.04 on my new MSI laptop G72 6QE. My touchpad doesn't work and recognize at all. I try : - Fn+F3 to activate my touchpad - xinput list and is not listed - xev and nothing append (no signal) - cat /proc/bus/input/devices ddoesn't display touchpad (only HDMI, mic, headphone, external mouse and keyboard) - I don't know if there is a link, but some buttons of my keyboard don't work (like Fn+arrows to manage sound and luminosity) : I: Bus=0011 Vendor=0001 Product=0001 Version=ab41 N: Name="AT Translated Set 2 keyboard" P: Phys=isa0060/serio0/input0 S: Sysfs=/devices/platform/i8042/serio0/input/input0 U: Uniq= H: Handlers=sysrq kbd event0 leds B: PROP=0 B: EV=120013 B: KEY=600702900000 8380207af040d001 feffffdfffefffff fffffffffffffffe B: MSC=10 B: LED=7 Thanks --- ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: gdm 1305 F.... pulseaudio moi 1668 F.... pulseaudio DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=9649bbed-2d32-42cd-a446-43abaa9ab1f3 InstallationDate: Installed on 2016-05-20 (2 days ago) InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64 (20160421) MachineType: Micro-Star International Co., Ltd. GP72 6QE Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.4.0-22-generic root=UUID=80432220-0bdf-49f0-a145-0c015ad36c2a ro rootflags=subvol=@ acpi=off acpi_osi=! acpi_backlight=native i8042.nopnp quiet splash ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.4.0-22-generic N/A linux-backports-modules-4.4.0-22-generic N/A linux-firmware 1.157 Tags: xenial Uname: Linux 4.4.0-22-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 12/10/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: E1795IMS.10C dmi.board.asset.tag: Default string dmi.board.name: MS-1795 dmi.board.vendor: Micro-Star International Co., Ltd. dmi.board.version: REV:0.A dmi.chassis.asset.tag: Default string dmi.chassis.type: 10 dmi.chassis.vendor: Micro-Star International Co., Ltd. dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrE1795IMS.10C:bd12/10/2015:svnMicro-StarInternationalCo.,Ltd.:pnGP726QE:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-1795:rvrREV0.A:cvnMicro-StarInternationalCo.,Ltd.:ct10:cvrDefaultstring: dmi.product.name: GP72 6QE dmi.product.version: REV:1.0 dmi.sys.vendor: Micro-Star International Co., Ltd. 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