On 07/24/2018 01:01 AM, Ken Moffat wrote:
On Mon, Jul 23, 2018 at 05:20:41PM -0500, Douglas R. Reno wrote:
On Thu, Jul 19, 2018 at 8:47 AM Frans de Boer <[email protected]> wrote:
This quite frustrating. After recompiling, following the book to the
letter, I still get a frozen LFS system.
One thing I do note however is that the freezing always occurs after
systemd has detected that it is on a virtual machine. A number of
error messages is send, but due to ratelimiting I can't see them
because they are suppressed.
I had even rebuild everything with systemd-232, and that worked as
before. But after 232, things started to behave strange. Now way to
debug systemd, whatever I do....
Help?
Frans,
Can you please try systemd-239? It should show up in the render tomorrow
morning (US Central time, I'm not sure what it is in UTC).
I'll make sure it lands in BLFS here in the coming days, just extremely
busy outside of LFS.
If that does't help, now that I've had to apply a workaround
to two of my sysv systems to speed booting (lack of entropy on some
machines with integrated video and only an SSD) I've got an
alternative suggestion - if the kernel is 4.17 or later, or 4.16.4
or later, or (perhaps) 4.14.36 or later, it contains a CVE fix which
ensures that getrandom() will not return until the CRNG is properly
initialised.
That is reported to severely impact _some_ VMs' startup times.
The easiest workaround is to install haveged in chroot, and its
systemd file in your case. If that is the problem, people differ
about the quality of what haveged provides - if you need to generate
long-lived security kees (e.g. for gpg) in the VM see
https://lkml.org/lkml/2018/7/23/857 (Ted Ts'o's reply to me when I
suggested that if I had to use haveged the boot was fast but didn't
it weaken future entropy?)
ĸen
Thanks to the availability of systemd-239 and the fact that finally the
patch regarding the man-pages is available, I can now confirm that all
is well again with systemd-239.
Thus, it was a systemd problem, I have tried the standard systemd-239 a
long time ago, but since I have no idea how to make the specific patches
to for LFS, I could not build that. Maybe make it clear what is done to
make the specific systemd patch or is it a lot of hand work?
I remember that we only need doxygen as an additional package to build
systemd without the LFS patch, right?
Regards, Frans.
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