Xorg.0.log - Intel Device 1926 - Intel Wireless 8260 - Intel Core i7-6560U
X.Org X Server 1.17.1
Release Date: 2015-02-10
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.2.0-77-generic x86_64 Ubuntu
Current Operating System: Linux XPS-13-9350 3.19.0-33-generic #38~14.04.1-Ubuntu SMP Fri Nov 6 18:17:28 UTC 2015 x86_64
Build Date: 13 May 2015 04:35:05AM
xorg-server 2:1.17.1-0ubuntu3~trusty1 (For technical support please see )
Current version of pixman: 0.30.2
Before reporting problems, check
to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Mon Oct 3 16:15:13 2016
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(==) No Layout section. Using the first Screen section.
(==) No screen section available. Using defaults.
(**) |-->Screen "Default Screen Section" (0)
(**) | |-->Monitor ""
(==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
(==) Automatically adding devices
(==) Automatically enabling devices
(==) Automatically adding GPU devices
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
Entry deleted from font path.
(==) FontPath set to:
/usr/share/fonts/X11/misc,
/usr/share/fonts/X11/Type1,
built-ins
(==) ModulePath set to "/usr/lib/x86_64-linux-gnu/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
(II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
(II) Loader magic: 0x7ff7e47f6c60
(II) Module ABI versions:
X.Org ANSI C Emulation: 0.4
X.Org Video Driver: 19.0
X.Org XInput driver : 21.0
X.Org Server Extension : 9.0
(II) xfree86: Adding drm device (/dev/dri/card0)
(--) PCI:*(0:0:2:0) 8086:1926:1028:0704 rev 10, Mem @ 0xdb000000/16777216, 0x90000000/268435456, I/O @ 0x0000f000/64
(II) LoadModule: "glx"
(II) Loading /usr/lib/xorg/modules/extensions/libglx.so
(II) Module glx: vendor="X.Org Foundation"
compiled for 1.17.1, module version = 1.0.0
ABI class: X.Org Server Extension, version 9.0
(==) AIGLX enabled
(==) Matched intel as autoconfigured driver 0
(==) Matched intel as autoconfigured driver 1
(==) Matched modesetting as autoconfigured driver 2
(==) Matched fbdev as autoconfigured driver 3
(==) Matched vesa as autoconfigured driver 4
(==) Assigned the driver to the xf86ConfigLayout
(II) LoadModule: "intel"
(II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
(II) Module intel: vendor="X.Org Foundation"
compiled for 1.17.1, module version = 2.99.917
Module class: X.Org Video Driver
ABI class: X.Org Video Driver, version 19.0
(II) LoadModule: "modesetting"
(II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
(II) Module modesetting: vendor="X.Org Foundation"
compiled for 1.17.1, module version = 1.17.1
Module class: X.Org Video Driver
ABI class: X.Org Video Driver, version 19.0
(II) LoadModule: "fbdev"
(II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
(II) Module fbdev: vendor="X.Org Foundation"
compiled for 1.17.1, module version = 0.4.4
Module class: X.Org Video Driver
ABI class: X.Org Video Driver, version 19.0
(II) LoadModule: "vesa"
(II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
(II) Module vesa: vendor="X.Org Foundation"
compiled for 1.17.1, module version = 2.3.3
Module class: X.Org Video Driver
ABI class: X.Org Video Driver, version 19.0
(II) intel: Driver for Intel(R) Integrated Graphics Chipsets:
i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G,
915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM,
Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
GM45, 4 Series, G45/G43, Q45/Q43, G41, B43
(II) intel: Driver for Intel(R) HD Graphics: 2000-6000
(II) intel: Driver for Intel(R) Iris(TM) Graphics: 5100, 6100
(II) intel: Driver for Intel(R) Iris(TM) Pro Graphics: 5200, 6200, P6300
(II) modesetting: Driver for Modesetting Kernel Drivers: kms
(II) FBDEV: driver for framebuffer: fbdev
(II) VESA: driver for VESA chipsets: vesa
(++) using VT number 7
(II) intel(0): Using Kernel Mode Setting driver: i915_bpo, version 1.6.0 20150522
(II) intel(0): SNA compiled: xserver-xorg-video-intel-lts-vivid 2:2.99.917-1~exp1ubuntu2.2~trusty1 (Timo Aaltonen )
(II) intel(0): SNA compiled for use with valgrind
(WW) Falling back to old probe method for modesetting
(WW) Falling back to old probe method for fbdev
(II) Loading sub module "fbdevhw"
(II) LoadModule: "fbdevhw"
(II) Loading /usr/lib/xorg/modules/libfbdevhw.so
(II) Module fbdevhw: vendor="X.Org Foundation"
compiled for 1.17.1, module version = 0.0.2
ABI class: X.Org Video Driver, version 19.0
(WW) Falling back to old probe method for vesa
(--) intel(0): gen9 engineering sample
(--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2, avx, avx2
(II) intel(0): Creating default Display subsection in Screen section
"Default Screen Section" for depth/fbbpp 24/32
(==) intel(0): Depth 24, (--) framebuffer bpp 32
(==) intel(0): RGB weight 888
(==) intel(0): Default visual is TrueColor
(II) intel(0): Output eDP1 has no monitor section
(--) intel(0): Found backlight control interface intel_backlight (type 'raw') for output eDP1
(II) intel(0): Enabled output eDP1
(II) intel(0): Output DP1 has no monitor section
(II) intel(0): Enabled output DP1
(II) intel(0): Output HDMI1 has no monitor section
(II) intel(0): Enabled output HDMI1
(II) intel(0): Output DP2 has no monitor section
(II) intel(0): Enabled output DP2
(II) intel(0): Output HDMI2 has no monitor section
(II) intel(0): Enabled output HDMI2
(--) intel(0): Using a maximum size of 256x256 for hardware cursors
(II) intel(0): Output VIRTUAL1 has no monitor section
(II) intel(0): Enabled output VIRTUAL1
(--) intel(0): Output eDP1 using initial mode 3200x1800 on pipe 0
(==) intel(0): TearFree disabled
(==) intel(0): DPI set to (96, 96)
(II) Loading sub module "dri2"
(II) LoadModule: "dri2"
(II) Module "dri2" already built-in
(II) Loading sub module "present"
(II) LoadModule: "present"
(II) Module "present" already built-in
(II) UnloadModule: "modesetting"
(II) Unloading modesetting
(II) UnloadModule: "fbdev"
(II) Unloading fbdev
(II) UnloadSubModule: "fbdevhw"
(II) Unloading fbdevhw
(II) UnloadModule: "vesa"
(II) Unloading vesa
(==) Depth 24 pixmap format is 32 bpp
(II) intel(0): SNA initialized with generic backend
(==) intel(0): Backing store enabled
(==) intel(0): Silken mouse enabled
(II) intel(0): HW Cursor enabled
(II) intel(0): RandR 1.2 enabled, ignore the following RandR disabled message.
(==) intel(0): DPMS enabled
(==) intel(0): display hotplug detection enabled
(II) intel(0): Textured video not supported on this hardware
(II) intel(0): [DRI2] Setup complete
(II) intel(0): [DRI2] DRI driver: i965
(II) intel(0): [DRI2] VDPAU driver: i965
(II) intel(0): direct rendering: DRI2 enabled
(II) intel(0): hardware support for Present enabled
(--) RandR disabled
(II) AIGLX: enabled GLX_MESA_copy_sub_buffer
(II) AIGLX: enabled GLX_ARB_create_context
(II) AIGLX: enabled GLX_ARB_create_context_profile
(II) AIGLX: enabled GLX_EXT_create_context_es2_profile
(II) AIGLX: enabled GLX_INTEL_swap_event
(II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
(II) AIGLX: enabled GLX_EXT_framebuffer_sRGB
(II) AIGLX: enabled GLX_ARB_fbconfig_float
(II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
(II) AIGLX: enabled GLX_ARB_create_context_robustness
(II) AIGLX: Loaded and initialized i965
(II) GLX: Initialized DRI2 GL provider for screen 0
(II) intel(0): switch to mode 3200x1800@60.0 on eDP1 using pipe 0, position (0, 0), rotation normal, reflection none
(II) intel(0): Setting screen physical size to 846 x 476
(II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) config/udev: Adding input device Power Button (/dev/input/event3)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(II) LoadModule: "evdev"
(II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
(II) Module evdev: vendor="X.Org Foundation"
compiled for 1.17.1, module version = 2.9.0
Module class: X.Org XInput Driver
ABI class: X.Org XInput driver, version 21.0
(II) Using input driver 'evdev' for 'Power Button'
(**) Power Button: always reports core events
(**) evdev: Power Button: Device: "/dev/input/event3"
(--) evdev: Power Button: Vendor 0 Product 0x1
(--) evdev: Power Button: Found keys
(II) evdev: Power Button: Configuring as keyboard
(**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input3/event3"
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) config/udev: Adding input device Video Bus (/dev/input/event9)
(**) Video Bus: Applying InputClass "evdev keyboard catchall"
(II) Using input driver 'evdev' for 'Video Bus'
(**) Video Bus: always reports core events
(**) evdev: Video Bus: Device: "/dev/input/event9"
(--) evdev: Video Bus: Vendor 0 Product 0x6
(--) evdev: Video Bus: Found keys
(II) evdev: Video Bus: Configuring as keyboard
(**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input11/event9"
(II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 7)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) config/udev: Adding input device Power Button (/dev/input/event1)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(II) Using input driver 'evdev' for 'Power Button'
(**) Power Button: always reports core events
(**) evdev: Power Button: Device: "/dev/input/event1"
(--) evdev: Power Button: Vendor 0 Product 0x1
(--) evdev: Power Button: Found keys
(II) evdev: Power Button: Configuring as keyboard
(**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1/event1"
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 8)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) config/udev: Adding input device Lid Switch (/dev/input/event0)
(II) No input driver specified, ignoring this device.
(II) This device may have been added with another device file.
(II) config/udev: Adding input device Sleep Button (/dev/input/event2)
(**) Sleep Button: Applying InputClass "evdev keyboard catchall"
(II) Using input driver 'evdev' for 'Sleep Button'
(**) Sleep Button: always reports core events
(**) evdev: Sleep Button: Device: "/dev/input/event2"
(--) evdev: Sleep Button: Vendor 0 Product 0x3
(--) evdev: Sleep Button: Found keys
(II) evdev: Sleep Button: Configuring as keyboard
(**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2/event2"
(II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD, id 9)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) config/udev: Adding input device ELAN Touchscreen (/dev/input/event8)
(**) ELAN Touchscreen: Applying InputClass "evdev touchscreen catchall"
(II) Using input driver 'evdev' for 'ELAN Touchscreen'
(**) ELAN Touchscreen: always reports core events
(**) evdev: ELAN Touchscreen: Device: "/dev/input/event8"
(--) evdev: ELAN Touchscreen: Vendor 0x4f3 Product 0x20d0
(--) evdev: ELAN Touchscreen: Found absolute axes
(--) evdev: ELAN Touchscreen: Found absolute multitouch axes
(II) evdev: ELAN Touchscreen: No buttons found, faking one.
(--) evdev: ELAN Touchscreen: Found x and y absolute axes
(--) evdev: ELAN Touchscreen: Found absolute touchscreen
(II) evdev: ELAN Touchscreen: Configuring as touchscreen
(**) evdev: ELAN Touchscreen: YAxisMapping: buttons 4 and 5
(**) evdev: ELAN Touchscreen: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:04F3:20D0.0001/input/input9/event8"
(II) XINPUT: Adding extended input device "ELAN Touchscreen" (type: TOUCHSCREEN, id 10)
(II) evdev: ELAN Touchscreen: initialized for absolute axes.
(**) ELAN Touchscreen: (accel) keeping acceleration scheme 1
(**) ELAN Touchscreen: (accel) acceleration profile 0
(**) ELAN Touchscreen: (accel) acceleration factor: 2.000
(**) ELAN Touchscreen: (accel) acceleration threshold: 4
(II) config/udev: Adding input device ELAN Touchscreen (/dev/input/mouse1)
(II) No input driver specified, ignoring this device.
(II) This device may have been added with another device file.
(II) config/udev: Adding input device Integrated_Webcam_HD (/dev/input/event7)
(**) Integrated_Webcam_HD: Applying InputClass "evdev keyboard catchall"
(II) Using input driver 'evdev' for 'Integrated_Webcam_HD'
(**) Integrated_Webcam_HD: always reports core events
(**) evdev: Integrated_Webcam_HD: Device: "/dev/input/event7"
(--) evdev: Integrated_Webcam_HD: Vendor 0xbda Product 0x5682
(--) evdev: Integrated_Webcam_HD: Found keys
(II) evdev: Integrated_Webcam_HD: Configuring as keyboard
(**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.0/input/input8/event7"
(II) XINPUT: Adding extended input device "Integrated_Webcam_HD" (type: KEYBOARD, id 11)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) config/udev: Adding input device HDA Intel PCH Headphone Mic (/dev/input/event10)
(II) No input driver specified, ignoring this device.
(II) This device may have been added with another device file.
(II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=3 (/dev/input/event11)
(II) No input driver specified, ignoring this device.
(II) This device may have been added with another device file.
(II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=7 (/dev/input/event12)
(II) No input driver specified, ignoring this device.
(II) This device may have been added with another device file.
(II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=8 (/dev/input/event13)
(II) No input driver specified, ignoring this device.
(II) This device may have been added with another device file.
(II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event4)
(**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"
(II) Using input driver 'evdev' for 'AT Translated Set 2 keyboard'
(**) AT Translated Set 2 keyboard: always reports core events
(**) evdev: AT Translated Set 2 keyboard: Device: "/dev/input/event4"
(--) evdev: AT Translated Set 2 keyboard: Vendor 0x1 Product 0x1
(--) evdev: AT Translated Set 2 keyboard: Found keys
(II) evdev: AT Translated Set 2 keyboard: Configuring as keyboard
(**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input4/event4"
(II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 12)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/event5)
(**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchpad catchall"
(**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
(**) SynPS/2 Synaptics TouchPad: Applying InputClass "Default clickpad buttons"
(II) LoadModule: "synaptics"
(II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so
(II) Module synaptics: vendor="X.Org Foundation"
compiled for 1.17.1, module version = 1.8.99
Module class: X.Org XInput Driver
ABI class: X.Org XInput driver, version 21.0
(II) Using input driver 'synaptics' for 'SynPS/2 Synaptics TouchPad'
(**) SynPS/2 Synaptics TouchPad: always reports core events
(**) Option "Device" "/dev/input/event5"
(II) synaptics: SynPS/2 Synaptics TouchPad: found clickpad property
(--) synaptics: SynPS/2 Synaptics TouchPad: x-axis range 1276 - 5666 (res 0)
(--) synaptics: SynPS/2 Synaptics TouchPad: y-axis range 1118 - 4734 (res 0)
(--) synaptics: SynPS/2 Synaptics TouchPad: pressure range 0 - 255
(--) synaptics: SynPS/2 Synaptics TouchPad: finger width range 0 - 15
(--) synaptics: SynPS/2 Synaptics TouchPad: buttons: left double triple
(--) synaptics: SynPS/2 Synaptics TouchPad: Vendor 0x2 Product 0x7
(**) Option "SoftButtonAreas" "50% 0 82% 0 0 0 0 0"
(--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
(**) SynPS/2 Synaptics TouchPad: always reports core events
(**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input6/event5"
(II) XINPUT: Adding extended input device "SynPS/2 Synaptics TouchPad" (type: TOUCHPAD, id 13)
(**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MinSpeed is now constant deceleration 2.5
(**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MaxSpeed is now 1.75
(**) synaptics: SynPS/2 Synaptics TouchPad: (accel) AccelFactor is now 0.035
(**) SynPS/2 Synaptics TouchPad: (accel) keeping acceleration scheme 1
(**) SynPS/2 Synaptics TouchPad: (accel) acceleration profile 1
(**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor: 2.000
(**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4
(--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
(II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse0)
(**) SynPS/2 Synaptics TouchPad: Ignoring device from InputClass "touchpad ignore duplicates"
(II) config/udev: Adding input device Intel HID event filter (/dev/input/event6)
(**) Intel HID event filter: Applying InputClass "evdev keyboard catchall"
(II) Using input driver 'evdev' for 'Intel HID event filter'
(**) Intel HID event filter: always reports core events
(**) evdev: Intel HID event filter: Device: "/dev/input/event6"
(--) evdev: Intel HID event filter: Vendor 0 Product 0
(--) evdev: Intel HID event filter: Found keys
(II) evdev: Intel HID event filter: Configuring as keyboard
(**) Option "config_info" "udev:/sys/devices/virtual/input/input7/event6"
(II) XINPUT: Adding extended input device "Intel HID event filter" (type: KEYBOARD, id 14)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) intel(0): EDID vendor "SHP", prod id 5153
(II) intel(0): Printing DDC gathered Modelines:
(II) intel(0): Modeline "3200x1800"x0.0 373.25 3200 3248 3280 3360 1800 1803 1808 1852 -hsync -vsync (111.1 kHz eP)
(II) config/udev: Adding input device Dell WMI hotkeys (/dev/input/event14)
(**) Dell WMI hotkeys: Applying InputClass "evdev keyboard catchall"
(II) Using input driver 'evdev' for 'Dell WMI hotkeys'
(**) Dell WMI hotkeys: always reports core events
(**) evdev: Dell WMI hotkeys: Device: "/dev/input/event14"
(--) evdev: Dell WMI hotkeys: Vendor 0 Product 0
(--) evdev: Dell WMI hotkeys: Found keys
(II) evdev: Dell WMI hotkeys: Configuring as keyboard
(**) Option "config_info" "udev:/sys/devices/virtual/input/input16/event14"
(II) XINPUT: Adding extended input device "Dell WMI hotkeys" (type: KEYBOARD, id 15)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) XKB: reuse xkmfile /var/lib/xkb/server-34CEB476A3CB596DA76FD7010A029F76732EF824.xkm