Ok, looks like I see what's happening: 1. I boot the laptop after cold-reboot and it crashes during xorg startup and shows on VT: i915 0000:04:00.0: [drm] *ERROR* Writing dc state to 0x1 failed, now 0x0 i915 0000:04:00.0: [drm] *ERROR* DC state mismatch (0x1 -> 0x0)
2. It starts in 5sec-1min up and shows the login screen, then I login and send this first crash: https://errors.ubuntu.com/oops/ea15e7a0-cd06-11ed-9fcb-fa163e993415 (~300KB) 3. Now I executing sequentially the steps to unbind, then bind, then unbind - and it crashes again. 4. I login back and sending this bigger crash log: https://errors.ubuntu.com/oops/a797a552-cd07-11ed-b9a4-fa163ef35206 (~6MB) Now I can find the X crash "Backtrace" in the last crash: [ 98.987] (EE) Backtrace: [ 98.987] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x139) [0x5610ac7d2809] [ 98.988] (EE) 1: /lib/x86_64-linux-gnu/libc.so.6 (__sigaction+0x50) [0x7f36ec042520] [ 98.990] (EE) 2: ? (?+0x0) [0x0] [ 98.990] (EE) [ 98.990] (EE) Segmentation fault at address 0x0 So I hope it is the one you look for - or I can try to find something else, just describe which additional info I need to look for and I will do that) Maybe journalctl logs or something else? Thank you -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/2012832 Title: Xorg crashes on second and next unbind operations of Arc GPU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/2012832/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
