The bisect must have gone wrong. It might not be possible to perform a bisect in this case. I think what would be best is to post all the HW info into the bug. Then I can review the commits between Ubuntu-4.0.0-4.7 and Ubuntu-4.1.0-3.3 to see what could be relevant.
Can you run the following command and then attach the report.1646277 file: apport-bug --save /tmp/report.1646277 linux -- 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/1646277 Title: Xenial server 16.04.x will have a black screen after PXE installation Status in debian-installer package in Ubuntu: Confirmed Status in linux package in Ubuntu: Confirmed Status in debian-installer source package in Xenial: Confirmed Status in linux source package in Xenial: Confirmed Bug description: The display will keep black screen after install 16.04.x via PXE(need use "Ctrl+Alt+F1" to change to terminal 1, then can see text mode screen) Quanta team is installing Xenial server using PXE boot. After the installation, the console will show a black screen. Hitting ctl- alt-f1 displays the text mode screen OK. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1646277/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
