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Hi,
I have a Arch LTS (5.10.82-1-lts) running on my desktop, with xserver and KDE. I have two screens connected and the system has been working well for over a year. Today, I had put the computer in sleep mode. When I tried to wake it, the screens didn't show and had to force restart. On restart, however, the following happened (and on subsequent reboots):
1) System boots as normal.
2) Login screen shows on both screens.
3) When I enter password and submit, one screen goes off. The other screen shows the wallpaper but there is no taskbar.
I can open terminal and other applications. Could you please suggest a solution for this?
Thanks,
KT.
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+1, I have linux 5.15.2-arch1-1 and a Lenovo W520 without any external screens.
After Sleep mode the screen is blank and the power button blinks as if the computer is still sleeping. I can here the cooling fan working but except for this nothing wakes up.
I assume some issue with ACPI and power management.
This does not happen always in my case, but sporadically. Mostly when the machine has been sleeping for a longer time overnight.
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While updating system I regularly get the following warnings, wonder if they have something to do with the sleep issue:
WARNING: Possibly missing firmware for module: aic94xx
WARNING: Possibly missing firmware for module: wd719x
WARNING: Possibly missing firmware for module: xhci_pci
By the way, I found out the reason why one screen wasn't showing. For some reason the second monitor was disabled. I went into system settings and enabled it. Both screens are working now. Can anyone point me to the file location where these system settings are stored? Just in case I need to access them through CLI?
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wonder if they have something to do with the sleep issue
No.
For some reason the second monitor was disabled
https://wiki.archlinux.org/title/Multih … _xorg.conf
Though present outputs are by default enabled, so there's a chance your session screws over this - https://wiki.archlinux.org/title/KDE#Un … lution_set
What you see on wakeup is NOT the login screen, but the screenlocker and the entire context sounds like an OpenGL issue (invalid textures) - perhaps related to the locker (so you might want to prevent locking the screen w/ the sleep)
nvidia? => https://download.nvidia.com/XFree86/Lin … ement.html
@roccobaroccoSC, your situation sounds vastly different.
Make sure you can't switch to another VT and see https://01.org/blogs/rzhang/2015/best-p … ate-issues & https://01.org/linuxgraphics/gfx-docs/d … gging.html
Is there a parallel windows installation and did you try the LTS kernel?
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Thanks @seth, very informative.
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