[LG V30 Guides, News, & Discussion] quantemplation:
[MENTION=4992265]jamesd1085[/MENTION]

So I tried connecting my device via USB to my computer while it was in the black screen state. It successfully recognized it. Furthermore, I ran an adb logcat and upon quick glance these lines jump out at me:

06-25 20:24:54.976 1211 1286 W android.frameworks.sensorservice@1.0::SensorManager: ISensorManager: found dead hwbinder service
06-25 20:24:54.976 1211 1286 I android.frameworks.sensorservice@1.0::SensorManager: getService: Will do try 962 for android.frameworks.sensorservice@1.0::ISensorManager/default in 1s...
06-25 20:24:55.077 3035 3035 E HwcPassthrough: Failed to open HWC device (Invalid argument), aborting
06-25 20:24:55.079 3035 3035 F libc : Fatal signal 6 (SIGABRT), code -6 in tid 3035 (android.hardwar)
06-25 20:24:55.111 3084 3084 I dex2oat : Explicit concurrent copying GC freed 60918(12MB) AllocSpace objects, 0(0B) LOS objects, 34% free, 11MB/17MB, paused 50us total 91.369ms
06-25 20:24:55.118 3032 3032 W android.hardware.graphics.composer@2.1::Composer: IComposer: found dead hwbinder service
06-25 20:24:55.119 3032 3032 I android.hardware.graphics.composer@2.1::Composer: getService: Will do try 6 for android.hardware.graphics.composer@2.1::IComposer/default in 1s...
06-25 20:24:55.131 3270 3270 I crash_dump64: obtaining output fd from tombstoned
06-25 20:24:55.132 1208 1208 I /system/bin/tombstoned: received crash request for pid 3035
06-25 20:24:55.133 3270 3270 I crash_dump64: performing dump of process 3035 (target tid = 3035)
06-25 20:24:55.133 3270 3270 F DEBUG : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
06-25 20:24:55.134 3270 3270 F DEBUG : Build fingerprint: 'lge/joan_spr_us/joan:8.0.0/OPR1.170623.026/180661747d3c8:user/release-keys'
06-25 20:24:55.134 3270 3270 F DEBUG : Revision: '12'
06-25 20:24:55.134 3270 3270 F DEBUG : ABI: 'arm64'
06-25 20:24:55.134 3270 3270 F DEBUG : pid: 3035, tid: 3035, name: android.hardwar >>> /vendor/bin/hw/android.hardware.graphics.composer@2.1-service <<<
06-25 20:24:55.134 3270 3270 F DEBUG : signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
06-25 20:24:55.134 3270 3270 F DEBUG : x0 0000000000000000 x1 0000000000000bdb x2 0000000000000006 x3 0000000000000008
06-25 20:24:55.134 3270 3270 F DEBUG : x4 0000000000000000 x5 0000000000000000 x6 0000000000000000 x7 7f7f7f7f7f7f7f7f
06-25 20:24:55.134 3270 3270 F DEBUG : x8 0000000000000083 x9 ee3122c65eaa462f x10 0000000000000000 x11 0000000000000001
06-25 20:24:55.134 3270 3270 F DEBUG : x12 ffffffffffffffff x13 ffffffffffffffff x14 ff00000000000000 x15 ffffffffffffffff
06-25 20:24:55.134 3270 3270 F DEBUG : x16 0000007dc451e2c0 x17 0000007dc44bf544 x18 00000000000000a2 x19 0000000000000bdb
06-25 20:24:55.134 3270 3270 F DEBUG : x20 0000000000000bdb x21 0000007fe8952e80 x22 0000000000000000 x23 0000007fe8953010
06-25 20:24:55.134 3270 3270 F DEBUG : x24 0000007dc42a5ea8 x25 9f4ff8904685b873 x26 0000007dc3e38540 x27 0000007dc3e38540
06-25 20:24:55.134 3270 3270 F DEBUG : x28 0000007dc3e38558 x29 0000007fe8952c80 x30 0000007dc4471ed4
06-25 20:24:55.134 3270 3270 F DEBUG : sp 0000007fe8952c40 pc 0000007dc44bf54c pstate 0000000060000000
06-25 20:24:55.143 3270 3270 F DEBUG :
06-25 20:24:55.143 3270 3270 F DEBUG : backtrace:
06-25 20:24:55.143 3270 3270 F DEBUG : #00 pc 000000000006b54c /system/lib64/libc.so (tgkill+8)
06-25 20:24:55.143 3270 3270 F DEBUG : #01 pc 000000000001ded0 /system/lib64/libc.so (abort+88)
06-25 20:24:55.143 3270 3270 F DEBUG : #02 pc 000000000000ff38 /system/vendor/lib64/hw/android.hardware.graphics.composer@2.1-impl.so (_ZN7android8hardware8graphics8composer4V2_114implementation6HwcHalC1EPK11hw_module_t+568)
06-25 20:24:55.143 3270 3270 F DEBUG : #03 pc 0000000000011f0c /system/vendor/lib64/hw/android.hardware.graphics.composer@2.1-impl.so (HIDL_FETCH_IComposer+100)
06-25 20:24:55.143 3270 3270 F DEBUG : #04 pc 00000000000246f8 /system/lib64/libhidltransport.so (_ZN7android8hardware25PassthroughServiceManager3getERKNS0_11hidl_stringES4_+1864)
06-25 20:24:55.143 3270 3270 F DEBUG : #05 pc 0000000000025440 /system/lib64/android.hardware.graphics.composer@2.1.so (_ZN7android8hardware8graphics8composer4V2_19IComposer10getServiceERKNSt3__112basic_stringIcNS5_11char_traitsIcEENS5_9allocatorIcEEEEb+1448)
06-25 20:24:55.143 3270 3270 F DEBUG : #06 pc 0000000000000ec8 /system/vendor/bin/hw/android.hardware.graphics.composer@2.1-service
06-25 20:24:55.143 3270 3270 F DEBUG : #07 pc 0000000000000e54 /system/vendor/bin/hw/android.hardware.graphics.composer@2.1-service (main+292)
06-25 20:24:55.143 3270 3270 F DEBUG : #08 pc 000000000001b970 /system/lib64/libc.so (__libc_init+88)
06-25 20:24:55.143 3270 3270 F DEBUG : #09 pc 0000000000000c90 /system/vendor/bin/hw/android.hardware.graphics.composer@2.1-service (do_arm64_start+80)
06-25 20:24:55.173 3270 3270 E crash_dump64: unable to connect to activity manager: Connection refused
06-25 20:24:55.175 1208 1208 E /system/bin/tombstoned: Tombstone written to: /data/tombstones//tombstone_03
06-25 20:24:55.241 634 634 I ServiceManager: service 'media.sound_trigger_hw' died
06-25 20:24:55.242 634 634 I ServiceManager: service 'media.radio' died
06-25 20:24:55.242 634 634 I ServiceManager: service 'media.audio_policy' died
06-25 20:24:55.242 634 634 I ServiceManager: service 'media.audio_flinger' died
06-25 20:24:55.250 634 634 I ServiceManager: service 'media.player' died
06-25 20:24:55.250 634 634 I ServiceManager: service 'media.resource_manager' died
06-25 20:24:55.250 634 634 I ServiceManager: service 'media.media_editor' died
06-25 20:24:55.255 634 634 I ServiceManager: service 'netd' died
06-25 20:24:55.272 634 634 I ServiceManager: service 'wificond' died
06-25 20:24:55.326 635 635 W /system/bin/hwservicemanager: getTransportFromManifest: Cannot find entry vendor.lge.hardware.mirrorlink@1.0::IDevicesFactoryMirrorLink in either framework or device manifest, using default transport.
06-25 20:24:55.332 3272 3272 I chatty : uid=1041(audioserver) expire 2 lines
06-25 20:24:55.333 635 635 E SELinux : avc: denied { add } for interface=android.hidl.base::IBase pid=3272 scontext=u:r:hal_mirrorlink_default:s0 tcontext=u:object_r:hidl_base_hwservice:s0 tclass=hwservice_manager
06-25 20:24:55.872 31008 31008 I ServiceManager: Waiting for vendor service display.qservice...
06-25 20:24:55.948 31008 31008 D ServiceManager: #00 pc 0004ad93 /system/lib/libbinder.so
06-25 20:24:55.948 31008 31008 D ServiceManager: #01 pc 0008e2f5 /system/vendor/lib/hw/camera.msm8998.so
06-25 20:24:55.948 31008 31008 D ServiceManager: #02 pc 0008e251 /system/vendor/lib/hw/camera.msm8998.so
06-25 20:24:55.948 31008 31008 D ServiceManager: #03 pc 000a9b45 /system/vendor/lib/hw/camera.msm8998.so (_ZN7qcamera25QCamera2HardwareInterface11closeCameraEv+312)
06-25 20:24:55.948 31008 31008 D ServiceManager: #04 pc 000a98b3 /system/vendor/lib/hw/camera.msm8998.so (_ZN7qcamera25QCamera2HardwareInterfaceD1Ev+138)
06-25 20:24:55.948 31008 31008 D ServiceManager: #05 pc 000a9cff /system/vendor/lib/hw/camera.msm8998.so (_ZN7qcamera25QCamera2HardwareInterfaceD0Ev+2)
06-25 20:24:55.949 31008 31008 D ServiceManager: #06 pc 000a85c5 /system/vendor/lib/hw/camera.msm8998.so (_ZN7qcamera25QCamera2HardwareInterface19close_camera_deviceEP11hw_device_t+132)
06-25 20:24:55.949 31008 31008 D ServiceManager: #07 pc 0000e23d /system/vendor/lib/camera.device@1.0-impl.so (_ZN7android8hardware6camera6device4V1_014implementation12CameraDevice11closeLockedEv+40)
06-25 20:24:55.949 31008 31008 D ServiceManager: #08 pc 0000e11b /system/vendor/lib/camera.device@1.0-impl.so (_ZN7android8hardware6camera6device4V1_014implementation12CameraDeviceD2Ev+66)
06-25 20:24:55.949 31008 31008 D ServiceManager: #09 pc 0000e38f /system/vendor/lib/camera.device@1.0-impl.so (_ZTv0_n12_N7android8hardware6camera6device4V1_014implementation12CameraDeviceD0Ev+18)
06-25 20:24:55.949 31008 31008 D ServiceManager: #10 pc 0000ae6b /system/lib/libutils.so (_ZNK7android7RefBase9decStrongEPKv+70)
06-25 20:24:55.949 31008 31008 D ServiceManager: #11 pc 000249e7 /system/lib/android.hardware.camera.device@1.0.so
06-25 20:24:55.949 31008 31008 D ServiceManager: #12 pc 0000ae6b /system/lib/libutils.so (_ZNK7android7RefBase9decStrongEPKv+70)
06-25 20:24:55.949 31008 31008 D ServiceManager: #13 pc 000221f7 /system/lib/android.hardware.camera.device@1.0.so
06-25 20:24:55.949 31008 31008 D ServiceManager: #14 pc 0000ae6b /system/lib/libutils.so (_ZNK7android7RefBase9decStrongEPKv+70)
06-25 20:24:55.949 31008 31008 D ServiceManager: #15 pc 000107df /system/lib/libhwbinder.so (_ZN7android8hardware14IPCThreadState20processPendingDerefsEv+86)
06-25 20:24:55.949 31008 31008 D ServiceManager: #16 pc 00010815 /system/lib/libhwbinder.so (_ZN7android8hardware14IPCThreadState14joinThreadPoolEb+32)
06-25 20:24:55.949 31008 31008 D ServiceManager: #17 pc 00000da9 /system/vendor/bin/hw/android.hardware.camera.provider@2.4-service
06-25 20:24:55.949 31008 31008 D ServiceManager: #18 pc 00000cff /system/vendor/bin/hw/android.hardware.camera.provider@2.4-service
06-25 20:24:55.949 31008 31008 D ServiceManager: #19 pc 00017e99 /system/lib/libc.so (__libc_init+48)
06-25 20:24:55.949 31008 31008 D ServiceManager: #20 pc 00000bc4 /system/vendor/bin/hw/android.hardware.camera.provider@2.4-service
06-25 20:24:55.975 3295 3295 I wificond: wificond is starting up...
06-25 20:24:55.978 1211 1286 W android.frameworks.sensorservice@1.0::SensorManager: ISensorManager: found dead hwbinder service
06-25 20:24:55.978 1211 1286 I android.frameworks.sensorservice@1.0::SensorManager: getService: Will do try 963 for android.frameworks.sensorservice@1.0::ISensorManager/default in 1s...

Do you think that that confirms your thought? That it's a hardware issue?

Edit: Also, is it possible that it could be related to enabling Force GPU rendering, Force 4x MSAA, and Set GPU Renderer>OpenGL (Skia) in the developer options?