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Hello I am trying to install touch driver for my chuwi hi8 air tablet, using the programs in this link: https://github.com/onitake/gslx680-acpi

I cloned the git then I wrote make command after that.

Then I executed insmod ./gslx680_ts_acpi.ko

But when i checked dmesg I found this error :

[  257.261030] gslx680_ts_acpi: loading out-of-tree module taints kernel.
[  257.261193] gslx680_ts_acpi: module verification failed: signature and/or required key missing - tainting kernel
[  257.272214] gslx680 i2c-MSSL1680:01: gsl_ts_probe: got a device named MSSL1680:01 at address 0x40, IRQ 184, flags 0x0
[  257.272304] gslx680 i2c-MSSL1680:01: Direct firmware load for silead_ts.fw failed with error -2
[  257.272309] gslx680 i2c-MSSL1680:01: gsl_ts_probe: failed to load firmware: -2
[  257.286110] gslx680: probe of i2c-MSSL1680:01 failed with error -2

can some one can explain with steps, how can i install this touch driver ? thanks.

oh and my ubuntu version is: Ubuntu 16.04.3 LTS

2 Answers 2

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While it's not plain from the linked instructions, since insmod makes system-level changes, you must run insmod as root:

sudo insmod ./gslx680_ts_acpi.ko
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    i did write sudo same error Dec 18, 2018 at 9:25
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I realise that this thread is four years old.. but I don't think running insmod as root will fix that issue. It's kind of implied that he was using root to compile and insert the module. It's more likely a kernel security issue. See https://stackoverflow.com/questions/24975377/kvm-module-verification-failed-signature-and-or-required-key-missing-taintin

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