Window text unreadable when using external display

[TylerADavis]

Most text is occasionally unreadable when I launch Macs Fan Control, as shown below. Closing and reopening the window does not resolve this issue. Quitting and reopening the app resolves the issue. I am running MacOS 12.2.1 on a 2021 16 inch MacBook Pro. I observed this issue on the builtin display, and I occasionally use an external monitor as well (I am not sure if switching between the two can trigger this issue).

Macs Fan Control 1.5.11 [Qt 5.15.6] MacBookPro18,1 [AC] CPU: Apple M1 Pro [10 cores] GPU: Apple M1 Pro [16 cores] RAM: 16 GB macOS 12.2.1

Fans:
Left side-min{1499}curr{0}max{4296}mode{0}
Right side-min{1499}curr{0}max{4744}mode{0}

SMC sensors:
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GPUs:

Disk drives:
APPLE SSD AP1024R - 33

Log:

[2022-02-14 17:45:34:736] [thread 4148694] [app.cpp#305] Macs Fan Control 1.5.11
[2022-02-14 17:45:34:736] [thread 4148694] [app.cpp#306] macOS 12.2.1
[2022-02-14 17:45:34:736] [thread 4148694] [app.cpp#307] MacBookPro18,1
[2022-02-14 17:45:34:736] [thread 4148694] [app.cpp#308] Apple M1 Pro [10 cores]
[2022-02-14 17:45:34:736] [thread 4148694] [app.cpp#309] Qt 5.15.6
[2022-02-14 17:45:34:749] [thread 4148694] [smcWriteInstaller.mm#69] Helper installed (version 1.0.2)
[2022-02-14 17:45:34:749] [thread 4148694] [smcWriteInstaller.mm#70] Helper file path: /Library/PrivilegedHelperTools/com.crystalidea.macsfancontrol.smcwrite
[2022-02-14 17:45:34:749] [thread 4148694] [smcWriteInstaller.mm#71] Helper file size: 189712 bytes
[2022-02-14 17:45:34:749] [thread 4148694] [smcWriteInstaller.mm#85] Current version - 1.0.2
[2022-02-14 17:45:34:750] [thread 4148694] [Platform_mac_smcwrite.mm#79] open XPC connection to com.crystalidea.macsfancontrol.smcwrite
[2022-02-14 17:45:34:761] [thread 4148694] [Platform_mac_smcwrite.mm#150] process_command_open: OK
[2022-02-14 17:45:34:762] [thread 4148694] [Service.cpp#91] detectSmcFanKeySize KeyType flt
[2022-02-14 17:45:34:762] [thread 4148694] [Service.cpp#92] detectSmcFanKeySize KeyLen 4
[2022-02-14 17:45:34:762] [thread 4148694] [Platform_mac.mm#188] getKeyInfo, the key FS! doesn't likely exist
[2022-02-14 17:45:34:824] [thread 4148694] [UpdateChecker.cpp#586] UpdateChecker: check (force = false)
[2022-02-14 17:45:34:831] [thread 4148737] [FanControl.cpp#206] initialLoadThread
[2022-02-14 17:45:34:831] [thread 4148737] [FanControl.cpp#162] QFanControl::loadFansFromSMC
[2022-02-14 17:45:34:831] [thread 4148737] [FanControl.cpp#168] Fans count - 2
[2022-02-14 17:45:34:831] [thread 4148737] [FanControl.cpp#185] Fan 0: Left side
[2022-02-14 17:45:34:832] [thread 4148737] [FanControl.cpp#185] Fan 1: Right side
[2022-02-14 17:45:34:832] [thread 4148737] [FanControl.cpp#61] checkFansControlModeFromSMC
[2022-02-14 17:45:34:833] [thread 4148737] [FanControl.cpp#72] Fan 0 mode is set by another program
[2022-02-14 17:45:34:833] [thread 4148737] [FanControl.cpp#72] Fan 1 mode is set by another program
[2022-02-14 17:45:34:833] [thread 4148737] [Platform_mac_smcwrite.mm#251] process_command_write: SMCWriteKey F0Md 00 OK
[2022-02-14 17:45:34:833] [thread 4148737] [Service.cpp#515] Set fan 0 mode 0
[2022-02-14 17:45:34:834] [thread 4148737] [Platform_mac_smcwrite.mm#251] process_command_write: SMCWriteKey F1Md 00 OK
[2022-02-14 17:45:34:834] [thread 4148737] [Service.cpp#515] Set fan 1 mode 0
[2022-02-14 17:45:34:834] [thread 4148737] [TempSensorProvider.cpp#68] TemperatureSensorProvider::loadAvailableSensors
[2022-02-14 17:45:34:847] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: NAND CH0 temp
[2022-02-14 17:45:34:848] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU TP0s
[2022-02-14 17:45:34:848] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU TP1g
[2022-02-14 17:45:34:849] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU TP1s
[2022-02-14 17:45:34:851] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU TP2g
[2022-02-14 17:45:34:852] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU TP2s
[2022-02-14 17:45:34:853] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU TP3g
[2022-02-14 17:45:34:853] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tcal
[2022-02-14 17:45:34:856] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdev1
[2022-02-14 17:45:34:857] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdev2
[2022-02-14 17:45:34:858] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdev3
[2022-02-14 17:45:34:859] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdev4
[2022-02-14 17:45:34:862] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdev5
[2022-02-14 17:45:34:863] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdev6
[2022-02-14 17:45:34:864] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdev7
[2022-02-14 17:45:34:865] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdev8
[2022-02-14 17:45:34:866] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie0
[2022-02-14 17:45:34:867] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie1
[2022-02-14 17:45:34:868] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie10
[2022-02-14 17:45:34:869] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie2
[2022-02-14 17:45:34:869] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie3
[2022-02-14 17:45:34:871] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie4
[2022-02-14 17:45:34:872] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie5
[2022-02-14 17:45:34:873] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie6
[2022-02-14 17:45:34:873] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie7
[2022-02-14 17:45:34:874] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie8
[2022-02-14 17:45:34:875] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: PMU tdie9
[2022-02-14 17:45:34:875] [thread 4148737] [TempSensorIOKit.mm#127] IOKit sensor: gas gauge battery
[2022-02-14 17:45:34:876] [thread 4148737] [Service.cpp#60] getSMCKeysCount: 3943038976 1771
[2022-02-14 17:45:34:882] [thread 4148737] [Service.cpp#562] Locating temperature SMC keys
[2022-02-14 17:45:34:942] [thread 4148737] [Service.cpp#608] 202 keys found
[2022-02-14 17:45:34:949] [thread 4148737] [Provider_mac_arm.mm#46] addGPU Apple M1 Pro
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#37] Using PMU tdie1 sensor for Power Manager Die Average
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#37] Using PMU tdie2 sensor for Power Manager Die Average
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#37] Using PMU tdie4 sensor for Power Manager Die Average
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#37] Using PMU tdie5 sensor for Power Manager Die Average
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#37] Using PMU tdie6 sensor for Power Manager Die Average
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#37] Using PMU tdie7 sensor for Power Manager Die Average
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#37] Using PMU tdie8 sensor for Power Manager Die Average
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#54] Adding virtual sensor 'power_manager_die_average' as Power Manager Die Average
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#121] InitialLoadThread: number of supported SMC sensors: 16
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#122] InitialLoadThread: number of supported DISK sensors: 1
[2022-02-14 17:45:34:951] [thread 4148737] [TempSensorProvider.cpp#127] InitialLoadThread: number of supported IOKit sensors: 10
[2022-02-14 17:45:34:951] [thread 4148737] [Platform_mac_smcwrite.mm#251] process_command_write: SMCWriteKey F0Md 00 OK
[2022-02-14 17:45:34:951] [thread 4148737] [Service.cpp#515] Set fan 0 mode 0
[2022-02-14 17:45:34:952] [thread 4148737] [Platform_mac_smcwrite.mm#251] process_command_write: SMCWriteKey F1Md 00 OK
[2022-02-14 17:45:34:952] [thread 4148737] [Service.cpp#515] Set fan 1 mode 0
[2022-02-14 18:31:07:735] [thread 4148694] [FanControl.cpp#750] slotEnteringSleepMode
[2022-02-14 18:31:08:082] [thread 4148758] [FanControl.cpp#625] ControlFanSpeedThread: sleep mode
[2022-02-14 20:26:39:556] [thread 4148694] [FanControl.cpp#757] slotWakeUp
[2022-02-14 21:53:41:876] [thread 4148694] [FanControl.cpp#750] slotEnteringSleepMode
[2022-02-14 21:53:42:766] [thread 4148758] [FanControl.cpp#625] ControlFanSpeedThread: sleep mode
[2022-02-14 22:04:24:366] [thread 4148694] [FanControl.cpp#757] slotWakeUp
[2022-02-14 22:58:49:307] [thread 4148694] [FanControl.cpp#750] slotEnteringSleepMode
[2022-02-14 22:58:50:645] [thread 4148758] [FanControl.cpp#625] ControlFanSpeedThread: sleep mode
[2022-02-14 22:58:53:264] [thread 4148694] [FanControl.cpp#757] slotWakeUp
[2022-02-14 22:58:57:231] [thread 4148694] [FanControl.cpp#750] slotEnteringSleepMode
[2022-02-14 22:58:57:789] [thread 4148758] [FanControl.cpp#625] ControlFanSpeedThread: sleep mode
[2022-02-15 09:28:13:688] [thread 4148694] [FanControl.cpp#757] slotWakeUp
[2022-02-15 09:57:13:110] [thread 4148694] [FanControl.cpp#750] slotEnteringSleepMode
[2022-02-15 09:57:13:380] [thread 4148758] [FanControl.cpp#625] ControlFanSpeedThread: sleep mode
[2022-02-15 10:15:45:854] [thread 4148694] [FanControl.cpp#757] slotWakeUp
[2022-02-15 10:22:29:190] [thread 4148694] [FanControl.cpp#750] slotEnteringSleepMode
[2022-02-15 10:22:30:264] [thread 4148758] [FanControl.cpp#625] ControlFanSpeedThread: sleep mode
[2022-02-15 11:07:54:659] [thread 4148694] [FanControl.cpp#757] slotWakeUp
[2022-02-15 12:05:40:359] [thread 4148694] [FanControl.cpp#750] slotEnteringSleepMode
[2022-02-15 12:05:41:586] [thread 4148758] [FanControl.cpp#625] ControlFanSpeedThread: sleep mode
[2022-02-15 12:11:45:995] [thread 4148694] [FanControl.cpp#757] slotWakeUp
[2022-02-15 12:27:08:681] [thread 4148694] [FanControl.cpp#750] slotEnteringSleepMode
[2022-02-15 12:27:09:080] [thread 4148758] [FanControl.cpp#625] ControlFanSpeedThread: sleep mode
[2022-02-15 12:46:21:661] [thread 4148694] [FanControl.cpp#757] slotWakeUp
[2022-02-15 15:54:30:146] [thread 4148694] [FanControl.cpp#750] slotEnteringSleepMode
[2022-02-15 15:54:30:359] [thread 4148758] [FanControl.cpp#625] ControlFanSpeedThread: sleep mode
[2022-02-15 15:58:59:366] [thread 4148694] [FanControl.cpp#757] slotWakeUp
[2022-02-15 16:52:52:660] [thread 4148694] [UpdateChecker.cpp#586] UpdateChecker: check (force = true)
[2022-02-15 16:53:53:303] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor TH1a with value of 0.0
[2022-02-15 16:53:53:304] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor TH1b with value of 0.0
[2022-02-15 16:53:53:322] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor TVMD with value of 0.0
[2022-02-15 16:53:53:323] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Ta00 with value of 0.0
[2022-02-15 16:53:53:324] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Ta01 with value of 0.0
[2022-02-15 16:53:53:324] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Ta02 with value of 0.0
[2022-02-15 16:53:53:326] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Ta04 with value of 0.0
[2022-02-15 16:53:53:348] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Tz11 with value of 0.0
[2022-02-15 16:53:53:349] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Tz12 with value of 0.0
[2022-02-15 16:53:53:349] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Tz13 with value of 0.0
[2022-02-15 16:53:53:349] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Tz14 with value of 0.0
[2022-02-15 16:53:53:350] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Tz15 with value of 0.0
[2022-02-15 16:53:53:350] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Tz16 with value of 0.0
[2022-02-15 16:53:53:350] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Tz17 with value of 0.0
[2022-02-15 16:53:53:351] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Tz18 with value of 0.0
[2022-02-15 16:53:53:351] [thread 4148694] [Service.cpp#686] getTemperature - skipping sensor Tz1j with value of 0.0

[kleuter]

This is a major bug 😢 I wish a knew a way to reproduce it!

[TylerADavis]

I can reproduce this 2/3 times by doing the following:

1. Launch Macs Fan Control on laptop while not connected to external display
2. Close the window
3. Connect to 1440p external monitor while in clamshell mode
4. open Macs fan control to look at fans
5. Put Mac to sleep
6. Disconnect Mac from monitor while in sleep mode
7. Open Macs Fan Control and observe bug

[kleuter]

Failed to reproduce.

1. Launch Macs Fan Control on laptop while not connected to external display - OK
2. Close the window - OK
3. Close the lid to put the laptop to the clamshell mode - OK
4. Connect to 1440p external monitor while in clamshell mode - OK
5. open Macs fan control to look at fans - OK
6. Put Mac to sleep - OK
7. Disconnect Mac from monitor while in sleep mode - OK
8. Open the lid and open Macs Fan Control - OK

Tried multiple times...

[TylerADavis]

I wonder if it's specific to a particular hardware or OS version? I'm on a 16 inch M1 Pro MacBook Pro, running macOS 12.

[kleuter]

Does it happen with 1.5.12?

[TylerADavis]

It looks like it does, I reproduced it just now.

[TylerADavis]

I also realized my previous instructions could be more clear, updated instructions below, note new step 6

1. Launch Macs Fan Control on laptop while not connected to external display
2. Close the window
3. Close the lid to put the laptop to the clamshell mode - OK
4. Connect to 1440p external monitor while in clamshell mode
5. open Macs fan control to look at fans
6. Close the window
7. Put Mac to sleep
8. Disconnect Mac from monitor while in sleep mode
9. Open Macs Fan Control and observe bug

[kleuter]

Same for #596 ?

[TylerADavis]

Just now installed the 1.15.3 beta and the issue persists

[kleuter]

😢

[kleuter]

When I woke my mac studio today connected to Studio Display, the bug reproduced, unfortunately only once.

[kleuter]

Still happens with 1.5.14 beta?
#627

[TylerADavis]

I tried reproducing following the steps in #577 (comment) while running beta 1.5.14 on macOS 12.4, and I was unable to reproduce the issue. Is this expected given any code changes?

[kleuter]

It's a bug in the Qt framework that the app uses, in the latest 1.5.14 beta we updated Qt version to the latest one so it's probably fixed!