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If we don't check the error of the child process, systemd-vconsole-setup
would exit with 0 even if it could not really setup the console.
For a simple test, move loadkeys elsewhere and execute
systemd-vconsole-setup:
[root@localhost ~]# strace -f -e execve /usr/lib/systemd/systemd-vconsole-setup
execve("/usr/lib/systemd/systemd-vconsole-setup", ["/usr/lib/systemd/systemd-vconsol"...], [/* 15 vars */]) = 0
Process 171 attached
[pid 171] execve("/usr/bin/loadkeys", ["/usr/bin/loadkeys", "-q", "-C", "/dev/tty0", "br-abnt2"], [/* 15 vars */]) = -1 ENOENT (No such file or directory)
[pid 171] +++ exited with 1 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=1, si_utime=0, si_stime=0} ---
+++ exited with 0 +++
Note that loadkeys returned 1 while systemd-vconsole-setup return 0.
Since the font and keyboard setup are already serialized, refactor the
code a little bit so the functions do the wait by themselves. One change
in behavior in this patch is that we don't return early, but we do try
to setup the keyboard even if the font load failed.
On Fri, Mar 13, 2015 at 8:25 PM, Michael Marineau <michael.marineau@coreos.com> wrote:
> Currently systemd-timesyncd.service includes
> ConditionVirtualization=no, disabling it in both containers and
> virtual machines. Each VM platform tends to deal with or ignore the
> time problem in their own special ways, KVM/QEMU has the kernel time
> source kvm-clock, Xen has had different schemes over the years, VMware
> expects a userspace daemon sync the clock, and other platforms are
> content to drift with the wind as far as I can tell.
>
> I don't know of a robust way to know if a platform needs a little
> extra help from userspace to keep the clock sane or not but it seems
> generally safer to try than to risk drifting. Does anyone know of a
> reason to leave timesyncd off by default? Otherwise switching to
> ConditionVirtualization=!container should be reasonable.
Audit messages would be displayed as "unknown[1]".
Also specify AUTH as facility... This seems to be the closest match
(/* security/authorization messages */).
This file contains no privileged data — just names of devices to decrypt
and files containing keys. On a running system most of this can be inferred from
the device tree anyway.
Udev debug messages have to be significantly overhauled... For now
just downgrade those two. They are responsible for approximately 25%
of debug output during boot and are rather useless.
With debugging on, sysv-generator would print the full set of
lookup paths for *every* sysv script.
While at it, pass LookupPaths as a pointer in sysv-generator,
and constify it everywhere.
Mar 13 19:48:30 adam.happyassassin.net systemd-tmpfiles[970]: "/var/lib/machines" has right mode 40700
Mar 13 19:48:30 adam.happyassassin.net systemd-tmpfiles[970]: /var/lib/machines created successfully.
mar 14 20:05:34 fedora22 systemd[4058]: /usr/lib/systemd/system-generators/kdump-dep-generator.sh will be executed.
mar 14 20:05:34 fedora22 systemd[4058]: Spawned /usr/lib/systemd/system-generators/kdump-dep-generator.sh as 4059.
The second line already says everything.
it is ironic that
"The only purpose of this structure is to cast the structure pointer
passed in addr in order to avoid compiler warnings. See EXAMPLE below."
from bind(2)
If you've got SELinux policy loaded, label_hnd is your labeling handle.
When systemd is shutting down, we free that handle via mac_selinux_finish().
But: switch_root() calls mkdir_p_label(), which tries to look up a label
using that freed handle, and so we get a bunch of garbage and eventually
SEGV in libselinux.
(This doesn't happen in the switch-root from initramfs to real root because
there's no SELinux policy loaded in initramfs, so label_hnd is NULL and we
never attempt any lookups.)
So: make sure that mac_selinux_finish() actually sets label_hnd to NULL, so
nobody tries to use it after it becomes invalid.
https://bugzilla.redhat.com/show_bug.cgi?id=1185604
Coverity was complaining that CMSG_NXTHDR is used without
checking the return value. In this case it cannot fail, but
it is a good excuse to simplify the function a bit.
CID #1261726.
/dev/pts/ptmx is as important as /dev/pts, so error out if that
fails. Others seem less important, since the namespace is usable
without them, so ignore failures.
CID #123755, #123754.
