This is where the basic drivers are loaded, to see what is happening you have to push the “escape” key, not the “E” one.
Most likely you are using an Nvidia graphics card, which can give problems with the nouveau driver shipped in the installer iso as explained in the release notes here:
We cannot go further than that unless you describe the hardware you are trying to run the upgrade on.
Desided to go back to 42.3, and booted from harddisk. No Internet access with
same settings as previously (as far as I can see).
At that point the installer should have done nothing to your HD, so maybe you have another problem unrelated to the upgrade.
Did you make any additional attempt(s) to boot 42.3? It’s possible on any random boot for network to fail to start for no apparent reason, and succeed on the subsequent attempt.
Also, check the free space on your / filesystem. When lots of packages are installed and already some huge snapshots available, you may have run out of space.
What sort of network connection are you using? Is it a wired ethernet using a common chipset or a wireless connection that requires proprietary drivers (e.g. Broadcom or Realtek chipsets dependent on Packman)?
Sorry, I did push the ESCape key! Tried to upgrade a second time, system hung, ESC did not help (as before). The computer is an ASUS n75sf with 8 kernels. Graphics ‘card’ is ASUSTeC GeForce GT 555M. I never had any problems with graphics
That is only part of the answer. What chipset is used – is it supported by the kernel or do you have a non -openSUSE OSS repository installed?
I suggest using a wired ethernet connection (the most important accessory for our laptops is a combined USB£ hub and ethernet port plus a longish patch cable).
Just noticed your laptop has an RJ45 port.
I have no non-openSuSE OSS repositories installed (the system worked flawlessly until the attempted upgrade). Using a wired ethernet connection is not practicable for the daily work, but I will try to do the upgrade via an ethernet-cable connection; great suggestion!
The N75SF uses the “Optimus” technology and so is prone to hanging with the nouveau driver shipped with the Leap 15 DVD installer. As detailed in the release notes, you should boot the installer adding “nouveau.modeset=0” (without quotes) to the kernel boot line.
To do so press “E” at the installer boot menu, look for a line beginning with “linuxefi” and add the option at the end, then press F10 to boot.
To see what’s happening press the “ESCape” key just after the green bars appear, not after the computer possibly hangs.
The problem is not with your graphics but with the driver unfortunately shipped with the DVD installer; if you succeed in upgrading, update the system as soon as possible to avoid similar problems at reboot.
You should have no problems if you upgrade online, since an updated driver should be installed that way.
Thanks for your efforts! I have entered the “E” at the boot menu, chosen “Upgrade” (I have 42.3 installed), and done a Carriage Return. Linux loads, “udev OK” appears, green bar appears, I enter ESC, green bar vanishes, “Loading basic drivers… ok” appears in white letters on a black screen, end of story: the computer hangs.
Note that I have chosen “Upgrade” instead of “Installation” in order to ensure that no data get lost. Also note that starting the computer by Ethernet cable works perfectly.
At the moment, I am no longer interested in upgrading to Leap 15, but hope to get 42.3 up and working by wlan0, which appears impossible to me.
In any case, thanks for your efforts!
Jan Christian