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frank-zago / ch341-i2c-spi-gpio

WinChipHead CH341 linux driver for I2C, SPI and GPIO mode
GNU General Public License v2.0
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BUG: unable to handle page fault for address: ffffffffc300b1e8 #25

Closed sacarlson closed 8 months ago

sacarlson commented 10 months ago

I compiled the code sudo make install and followed the instructions in your notes I made sure I have installed the headers for the kernel I am running that is 5.15.0-83-generic on linux mint. I did try reboot and uninstall reinstall but same error when I install the device that is it's that USB_LoRa_adapter-PINE64_RFM90. I see this error in dmeg : [ 362.668007] BUG: unable to handle page fault for address: ffffffffc300b1e8 [ 362.668010] #PF: supervisor write access in kernel mode [ 362.668011] #PF: error_code(0x0003) - permissions violation [ 362.668013] PGD 1ec415067 P4D 1ec415067 PUD 1ec417067 PMD 11cb79067 PTE 8000000108ea3061 [ 362.668017] Oops: 0003 [#1] SMP PTI [ 362.668019] CPU: 3 PID: 4995 Comm: systemd-udevd Tainted: P OE 5.15.0-83-generic #92-Ubuntu for full error see link driver_bug.txt

after I upgraded kernel to 6.1.0-1027-oem recompiled sudo make install. seems ok now. no dmesg errors seen. I haven't fully tested the device with it yet but might be ok.

frank-zago commented 10 months ago

I haven't had time to look at that. There was a recent change to add support for older kernels. Maybe something is missing there?