[Bug 1385630] Re: systemd 215 hangs during boot

[Harry]

Hi Martin,

True, I cannot switch between tty's. The whole system is unresponsive to
any keyboard commands.

About SysRQ (reisub): I cannot try it, because in my keyboard (Logitech K740) there is no SysRQ button.
Usually it is the "alt-function" of the PrintScreen button, but not here.

About the kernels. I have seen this hanging behaviour with the Ubuntu kernels 3.16.0-23 and 3.16.0-24 (the latest).
But always with "quiet" in the kernel booting line.
If I remove "quiet" and turn to verbose mode, the booting will significantly slow down (because of the rolling text lines in the screen), but I haven't seen these hangs then.
In the log files, there is nothing, no errors about this.
Only one in x.log pointing that vesa module is not present. But I do not have vesa driver installed, instead I have modesetting and fbdev installed. They are loaded fine. And of course the Intel driver, the loading of which always succeeds.

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https://bugs.launchpad.net/bugs/1385630

Title:
  systemd 215 hangs during boot

Status in “systemd” package in Ubuntu:
  Incomplete

Bug description:
  I just installed (for testing) the newest systemd from Vivid proposed repositories.
  Yes, that is only a proposed package.
  The version is 215-5ubuntu1. Also the new plymouth was needed to do this (version 0.9.0-0ubuntu8).

  After the installation I found that every now and then booting or rebooting fails.
  It fails in a system-fsck line. So, nowhere to go from that, no tty's, no nothing.
  After each failure the next booting is successful, however.

  My setup is extremely fast, I am able to get to the desktop in about 5 seconds from grub menu.
  The setup contains Intel Core i7 4790 processor and Samsung 850 Pro SSD.

  This may also be some sort of race situation.

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