12.0-CURRENT #54 r318674 can't enter single user mode

[Warner Losh]

Signal 12 -- SIGSYS

You're likely being bitten by not having enough compat in your kernel,
either new binaries on an old kernel, or old binaries on a new one. This
sort of thing should ever happen, but the ino64 merge had so many moving
parts it broke a lot of things.

Warner

On Sun, May 28, 2017 at 8:08 PM, bob prohaska <fbsd at www.zefox.net> wrote:

> While building world and kernel on RPI2  12.0-CURRENT #54 r318674 reported
> "one error" and gradually became completely unresponsive. After
> power-cycling
> things looked normal until
>
> WARNING: / was not properly dismounted
> warning: no time-of-day clock registered, system time will not be set
> accurately
> random: unblocking device.
> arc4random: no preloaded entropy cache
> arc4random: no preloaded entropy cache
> arc4random: no preloaded entropy cache
> pid 27 (sh), uid 0: exited on signal 12
> May 28 14:29:07 init: /bin/sh on /etc/rc terminated abnormally, going to
> single user mode
> Enter full pathname of shell or RETURN for /bin/sh:
> pid 28 (sh), uid 0: exited on signal 12
> May 28 14:29:10 init: single user shell terminated, restarting
> Enter full pathname of shell or RETURN for /bin/sh:
>
> I've tried the escape, tilda, control-b sequence, it's echoed but
> the debugger does not take over the console.
>
> The machine had been running stably under fairly high load for
> several days compiling www/epiphany. During the world
> build epiphany was run  and it started segfaulting after
> a couple of minutes. Shortly after that the world build stopped.
> I was unable to see the error message, unfortunately.
>
> Thanks for reading, and any thoughts.
>
> bob prohaska
>
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