[systemd-bugs] [Bug 70178] shutdown hangs due to vclock infinite loop during PAM authenication.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Oct 7 08:26:47 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=70178

--- Comment #2 from Larry Johnson <keepitsimpleengineer at gmail.com> ---
Commands issued: systemctl shutdown or any command to shutdown or reboot.
The process of shutdown (also when rebooting) immediately stops with one line
obscured in the bottom half.  A hardware reset is required to complete/end the
shutdown.  When booting after this manner of shutting down, the /boot partition
is marked unclean and must be fsck'd.

Vclock is apparently started as a part of shutdown. I initially confused it
with "vlock".  I have no idea what vclock is or where it's sourced. 

08-1 should have been 208-1 and refers to systemd-208-1-x86_64

The debug shell failed to work in systemd-207-3-x86_64 and in
systemd-207-5-x86_64.  It does work in systemd-208-1-x86_64.  Failure was the
obscured line on F9 was identical to the line on F1.  In 208-1, F9 was the
debug prompt and worked as expected.

To shutdown without hanging, the following commands were issued as root:
umount /dev/sdf2; sync; poweroff -f

My forum post regarding this is here:
https://bbs.archlinux.org/viewtopic.php?pid=1333144#p1333144

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