On 8/12/15 7:22 PM, Chris Bell wrote: > On 2015-08-12 20:19, Harry Goldschmitt wrote: >> I just modified my grub kernel command line to add the consoleblank=0 >> parameter. That isn't the problem. First consoleblank is the kernel >> screensaver and according to the documentation it kicks in after 15 >> minutes by default. >> >> What I see is a few kernel driver start up messages. Then the console >> screen blanks for about 10 seconds. Then multi-user boot completes. > The only other thing I can think of is when modesetting kicks in and is > configuring your graphics adapter? You could try adding the 'nomodeset' > kernel parameter to your boot, but keep in mind that you will lose > kernel modesetting, which could potentially cause issues with your > system. I'm not sure what else would cause the screen to 'blank' like > you are describing at that point in the boot. > > --Chris > I found it. Not a systemd issue at all. "console=ttyS0" had been dropped from the kernel command line. Without it my Dell iDrac virtual console went grey after GRUB boot. After I added the parameter the console stayed live and I could echo errors to /dev/tty1. I know everything I need is available by journalctl, but the echos help when the system doesn't come up far enough for journalctl to work.
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