[Buildroot] SSH server starts too late
br015 at umbiko.net
Fri Feb 21 12:51:18 UTC 2020
On 2020-02-21 13:00, Hammami Omar <omar18hammami at gmail.com> wrote
> I am using the buildroot version "2019.11.1" and I have noticed that my
> server starts too late.
> I was using an old version "2017.08" and the SSH server was starting
This issue is not related to Buildroot, but caused by changes in
libopenssl (which in turn is used by OpenSSH), starting around the
middle of last year. You will find a lot of background information when
you search the www for 'boot-time entropy starvation'; the cause is,
reading random data from /dev/urandom blocks until the kernel entropy
pool has been initialized.
(a) Patch libopenssl (not recommended for nodes directly connected to
(b) Use a more recent kernel; version 5.4.y introduced a temporary fix
for this issue.
(c) Use other sources of extra randomness, as proposed by Peter
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