I have an Asus FX433N with an UHD 620 Intel graphics. The system has a dual-boot with windows 10 and debian stable, where both system works just fine. I was trying to use wine and the system complain that a video card was not detected. I follow the instructions described here to update the kernel:
- echo deb http://http.debian.net/debian stretch-backports main contrib non-free > /etc/apt/sources.list.d/stretch-backports.list
- apt update
- apt -t stretch-backports install linux-image-amd64
- apt install -t stretch-backports firmware-linux
After that, I reboot the system and get stuck on the boot. When I select the Debian system, it's get stuck on "Loading initial ramdisk" and no key works at all. Ctrl+D, or Ctrl+C or even REISUB combination.
I do a fast research and I have found here where the bug is described in the same system. There it's described a workaround:
WORKAROUND 1: disable intel microcode updates during boot From this bug: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1759920 1/ add the boot parameter: dis_ucode_ldr to /etc/default/grub 2/ update-grub
Thanks to that workaround I can boot the system, but it's running really slow. Entry to TTY1 to avoid use GUIS and see if there is any advice I can follow, the console give a lots of code where one line repeats over 22-23 seconds with the message from syslog
watchdog: BUG: soft lockup - CPU#7 stuck for 22s!
I guess that is whats explains why the whole system gets really slow, because when I try to use commands, the system can not complete them.
I imagine that maybe I forgot to do the update-grub and then I try to run it from chroot with a LIVE CD. After that, it delete the Windows entry from grub and Debian still not working. Total disappointment.
I managed to run dpkg -l | grep firmware and I get:
amd64-microcode firmware-amd-graphicslwifi firmware-iwlwifi firmware-linux firmware-linux-free firmware-linux-nonfree firmware-misc-nonfree fwupd-amd64-signed intel-microcode
I'm newbie on Linux so I don't know what to do. How can I know what causes that soft lockup?
My system is:
Intel(R) Core(TM) i7-8565U CPU @ 1.80GHz Intel(R) UHD Graphics 620 NVIDIA GeForce MX150 ( I have not worried to install nothing about this because I don't use the card on Debian)