network-manager: NetworkManager start times out during boot

[Michael Biebl]

[Bringing the GnuTLS maintainers into the loop here]

On Mon, 12 Sep 2016 13:50:05 -0400 Sten Heinze <shze at gmx.de> wrote:
> Package: network-manager
> Version: 1.2.4-2
> Severity: normal
> 
> Dear Maintainer,
> 
> * What led up to the situation?
>   * Since my upgrade last Friday this happens on every boot.
>   * Before the login manager is displayed, I can see the following message,
>     waiting the full 90s:
> 
>     [  *** ] A start job is running for Network Manager (30s/1min 30s)
> 
>   * Sometimes I could see the following output on the console just before 
>     the login manager takes over, but I have not seen those since installing
>     systemd from sid 231-5 and -6 instead of -4 from testing:
> 
>     [FAILED] Failed to start Network Manager.
>     [DEPEND] Dependency failed for Network Manager Wait Online.
> 
>   * The output of "journalctl -u NetworkManager" contains a first failed start
>     during boot, followed by a successful start (I have seen two failed starts
>     followed by a successful start, too):
> 
> Sep 12 12:28:31 pc systemd[1]: Starting Network Manager...
> Sep 12 12:30:01 pc systemd[1]: NetworkManager.service: Start operation timed out. Terminating.

The relevant Ubuntu bug report is
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1622893

This issue is apparently triggered by a change in gnutls which now uses
getrandom() instead of reading from /dev/urandom directly. This makes it
less suitable for early boot.
See also https://gitlab.com/gnutls/gnutls/merge_requests/111/

@GnuTLS maintainers: would you consider cherry-picking those patches?

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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