I have similar or same problem and I have haswell too... I will explain my problem at large in next post but first try these things.
First when boot and it hangs, try go switch to different VT - ctrl+alt + F3 or F4 then enter sudo dmesg at the bottom you will ikely find this... i915 0000:00:02.0: [drm] GPU HANG Then try another one - boot kernel with "nomodeset" parameter (without quotes) - for me it produce a working system but only with 1024x768 resolution And third one - can you specify what Haswell processor you have? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1901505 Title: upgrade to 20.10 broke haswell laptop (no regular boot, no /dev/dri/card0) Status in linux package in Ubuntu: Confirmed Bug description: Laptop installed with kubuntu focal is not booting after upgrade to 20.10 (that apparently went smooth without any error). - laptop hangs on boot - no splash screen is displayed - laptop can boot in recovery mode - in this case you do not get /dev/dri/card0 - if X is started it starts on llvmpipe - i915 driver is loaded, no error about it in journal or dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1901505/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
