EDIT: To clarify both times these lines come they refer to "gpiochip1"
(so not 2 different ones).
I started getting the same 3 lines of errors TWICE at boot, with the now
latest official 5.8 HWE kernel. Without "splash", just "quiet" set for
GRUB it also shows on my monitors when booting. Honestly seems to slow
down boot too (I mean I have 5.5 GB/s R/W NVMes and it can get to GDM in
maybe less than 2 seconds).
WHAT HAPPENED:
After my 20.04.2 (HWE) kernel was updated From:
linux-image-5.8.0-59-generic
To:
linux-image-5.8.0-63-generic
If I boot the former (*-59) or any older, I don't see the below errors
TWICE. With the latter (*-63) I do. Seems to be little to none
information about this. I only find it in the Linux source code. Is it
something new in Linux?
Running journalctl -b (now) first 3 lines of errors come after early
kernel NVME(s) preparation, but have just checked that once (now). Seems
random as the next exact same 3 lines come below something completely
different in the log. But again system can boot in 2 secs, however seems
slower with these in fact.
$ journalctl -b
RED LINES:
kernel: gpio gpiochip1: (gpio_aaeon): tried to insert a GPIO chip with zero
lines
gpiochip_add_data_with_key: GPIOs 0..-1 (gpio_aaeon) failed to register, -22
YELLOW LINE:
gpio-aaeon: probe of gpio-aaeon.0 failed with error -22
... and again later in the log:
RED LINES:
kernel: gpio gpiochip1: (gpio_aaeon): tried to insert a GPIO chip with zero
lines
gpiochip_add_data_with_key: GPIOs 0..-1 (gpio_aaeon) failed to register, -22
YELLOW LINE:
gpio-aaeon: probe of gpio-aaeon.0 failed with error -22
---
Apart from that everything works. No new hardware has been added.
Pretty generic system (hefty CPU but still X570 + Zen2):
* ASUS X570 AM4 Motherboard ("Prime Pro")
* Ryzen Zen2 3950X 16C/32T CPU
* ASUS Radeon RX 5500 XT 8 GB OC GPU
* 2 NVMes and 3 HDDs (total 12 TB)
* No special peripherals
Happens really early at boot, so seems low-level.
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https://bugs.launchpad.net/bugs/1937897
Title:
GPIO error logs in start and dmesg aftzer update of kernel
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