Last week my laptop decided to no longer go in suspend when the lid is closed. This used to work out of the box before.
When performing a software shutdown Mint closes as it should but reboots instead of completely halting. Curious fact is that suspend will actually turn off the screen but then turn it on again one second later so it is probably related.
I've been reading a bit on the forum and I might be guilty of updating using apt-get. It appears I am already running 17.2 though I have not done a distrib upgrade.
Here is my acpi setting:
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GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux acpi_backlight=vendor"
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[25009.673545] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[26083.790513] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[26850.437467] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[26861.978403] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[26865.818374] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[26869.504053] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[26873.705426] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[26883.382218] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[26900.779290] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[27638.216836] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[27639.598621] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[27639.599143] ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
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System: Host: censored-HP-ZBook-15 Kernel: 3.16.0-38-generic x86_64 (64 bit, gcc: 4.8.2)
Desktop: Cinnamon 2.6.13 Distro: Linux Mint 17.2 Rafaela
Machine: System: Hewlett-Packard product: HP ZBook 15 version: A3009CD10002
Mobo: Hewlett-Packard model: 1909 version: KBC Version 94.50
Bios: Hewlett-Packard version: L70 Ver. 01.07 date: 01/10/2014
CPU: Quad core Intel Core i7-4700MQ CPU (-HT-MCP-) cache: 6144 KB flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 19157
Clock Speeds: 1: 3199.968 MHz 2: 3199.968 MHz 3: 3370.031 MHz 4: 3318.562 MHz 5: 2434.218 MHz 6: 3200.062 MHz 7: 2763.843 MHz 8: 2681.625 MHz
Graphics: Card: NVIDIA GK107GLM [Quadro K1100M] bus-ID: 01:00.0 X.Org: 1.15.1 driver: nvidia Resolution: 1920x1080@60.0hz
GLX Renderer: Quadro K1100M/PCIe/SSE2 GLX Version: 4.5.0 NVIDIA 346.72 Direct Rendering: Yes
Audio: Card-1: Intel 8 Series/C220 Series High Definition Audio Controller driver: snd_hda_intel bus-ID: 00:1b.0
Card-2: NVIDIA GK107 HDMI Audio Controller driver: snd_hda_intel bus-ID: 01:00.1
Sound: Advanced Linux Sound Architecture ver: k3.16.0-38-generic
Network: Card-1: Intel Centrino Advanced-N 6235 driver: iwlwifi ver: in-tree: bus-ID: 5c:00.0
IF: wlan0 state: down mac: <filter>
Card-2: Intel Ethernet Connection I217-LM driver: e1000e ver: 2.3.2-k port: 6040 bus-ID: 00:19.0
IF: eth0 state: up speed: 100 Mbps duplex: full mac: <filter>
Drives: HDD Total Size: 782.2GB (27.7% used) 1: id: /dev/sda model: Hitachi_HTS72757 size: 750.2GB
2: id: /dev/sdb model: SAMSUNG_MZMPF032 size: 32.0GB
Partition: ID: / size: 677G used: 202G (32%) fs: ext4 ID: /boot size: 236M used: 49M (22%) fs: ext2
RAID: No RAID devices detected - /proc/mdstat and md_mod kernel raid module present
Sensors: System Temperatures: cpu: 52.0C mobo: 46.0C gpu: 0.0:48C
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 248 Uptime: 7:14 Memory: 2206.1/11790.0MB Runlevel: 2 Gcc sys: 4.8.4
Client: Shell (bash 4.3.11) inxi: 1.9.17
Best regards and thank you for those who can help me out here.