kern/143040: sysctl -a hangs, as a side effect it breaks /etc/rc.d/initrandom

David Evans dave.evans55 at
Thu Jan 21 00:40:01 UTC 2010

>Number:         143040
>Category:       kern
>Synopsis:       sysctl -a  hangs, as a side effect it breaks /etc/rc.d/initrandom
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jan 21 00:40:00 UTC 2010
>Originator:     David Evans
>Release:        9.0-CURRENT
FreeBSD  9.0-CURRENT GENERIC  i386 Wed Jan 20 21:25:68 UTC 2010

cvsupped as of today Jan 20 2009 at 1700 UTC
sysctl -a

hangs at debug.witness.free_cnt

Pressing the debug key does not trap to the debugger.

I modified the syscons keymap so that ctrl-esc is the debug key, as
ctrl-alt is a special key on Desktop.

I'm running on a virtual machine (Parallels Desktop for Mac 4.0), but
that should not make any difference, I say hopefully.

sysctl -a was ok on 8.0-CURRENT here as of October 2009 on all
my other VMs

This bug breaks /etc/rc.d/initrandom as it uses sysctl -a to generate
some entropy.
sysctl -a



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