I recently upgraded to Linux Mint 19, on a first gen Lenovo Carbon X1. When I connect an external monitor to the mini display port, the system becomes unresponsive and I see a couple of errors in the logs. Firstly, here are some outputs:
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timmy@Carbon ~ $ xrandr -q
Screen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
LVDS-1 connected primary 1600x900+0+0 (normal left inverted right x axis y axis) 309mm x 174mm
1600x900 59.97*+ 59.94 59.95 59.82
1440x900 59.89
1400x900 59.96 59.88
1440x810 60.00 59.97
1368x768 59.88 59.85
1360x768 59.80 59.96
1280x800 59.99 59.97 59.81 59.91
1152x864 60.00
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
800x512 60.17
700x525 59.98
800x450 59.95 59.82
640x512 60.02
720x450 59.89
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
680x384 59.80 59.96
640x400 59.88 59.98
576x432 60.06
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
VGA-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
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timmy@Carbon ~ $ inxi -Fxz
System: Host: Carbon Kernel: 4.15.0-24-generic x86_64 bits: 64 gcc: 7.3.0
Desktop: Cinnamon 3.8.7 (Gtk 3.22.30-1ubuntu1) Distro: Linux Mint 19 Tara
Machine: Device: laptop System: LENOVO product: 34487PU v: ThinkPad X1 Carbon serial: N/A
Mobo: LENOVO model: 34487PU v: 0B98401 Pro serial: N/A
UEFI [Legacy]: LENOVO v: G6ET96WW (2.56 ) date: 04/29/2013
Battery BAT0: charge: 36.5 Wh 100.1% condition: 36.5/46.0 Wh (79%) model: SMP 45N1071 status: Full
CPU: Dual core Intel Core i5-3427U (-MT-MCP-) arch: Ivy Bridge rev.9 cache: 3072 KB
flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 9178
clock speeds: max: 2800 MHz 1: 2556 MHz 2: 2591 MHz 3: 2596 MHz 4: 2578 MHz
Graphics: Card: Intel 3rd Gen Core processor Graphics Controller bus-ID: 00:02.0
Display Server: x11 (X.Org 1.19.6 ) drivers: modesetting (unloaded: fbdev,vesa)
Resolution: 1600x900@59.97hz
OpenGL: renderer: Mesa DRI Intel Ivybridge Mobile version: 4.2 Mesa 18.0.5 Direct Render: Yes
Audio: Card Intel 7 Series/C216 Family High Definition Audio Controller
driver: snd_hda_intel bus-ID: 00:1b.0
Sound: Advanced Linux Sound Architecture v: k4.15.0-24-generic
Network: Card: Intel Centrino Advanced-N 6205 [Taylor Peak] driver: iwlwifi bus-ID: 03:00.0
IF: wlan0 state: up mac: <filter>
Drives: HDD Total Size: 240.1GB (56.9% used)
ID-1: /dev/sda model: INTEL_SSDSCMMW24 size: 240.1GB
Partition: ID-1: / size: 217G used: 124G (61%) fs: ext4 dev: /dev/sda1
ID-2: swap-1 size: 3.96GB used: 1.24GB (31%) fs: swap dev: /dev/sda5
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 79.0C mobo: N/A
Fan Speeds (in rpm): cpu: 3865
Info: Processes: 268 Uptime: 2:31 Memory: 2784.2/3628.1MB Init: systemd runlevel: 5 Gcc sys: 7.3.0
Client: Shell (bash 4.4.191) inxi: 2.3.56
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timmy@Carbon ~ $ xrandr -q
Screen 0: minimum 320 x 200, current 3520 x 1080, maximum 8192 x 8192
LVDS-1 connected primary 1600x900+0+0 (normal left inverted right x axis y axis) 309mm x 174mm
1600x900 59.97*+ 59.94 59.95 59.82
1440x900 59.89
1400x900 59.96 59.88
1440x810 60.00 59.97
1368x768 59.88 59.85
1360x768 59.80 59.96
1280x800 59.99 59.97 59.81 59.91
1152x864 60.00
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
800x512 60.17
700x525 59.98
800x450 59.95 59.82
640x512 60.02
720x450 59.89
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
680x384 59.80 59.96
640x400 59.88 59.98
576x432 60.06
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
VGA-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-1 connected 1920x1080+1600+0 (normal left inverted right x axis y axis) 509mm x 286mm
Segmentation fault
xrandr[7182]: segfault at 38 ip 0000564a273991f4 sp 00007ffdb1d41270 error 4 in xrandr[564a27396000+e000]
cinnamon-settin[4888]: segfault at 0 ip 00007fbb9e899e8e sp 00007ffed5163378 error 4 in libc-2.27.so[7fbb9e7f0000+1e7000]
Not sure what else to check. This used to work just fine in Mint 18.3, so not sure if it's just a bug with the new version of cinnamon. Any help is appreciated!
Cheers,
Tim