ctfmerge slows & sometimes crashes

[Hans Petter Selasky]

On 05/05/16 23:53, Julian H. Stacey wrote:
> Has anyone else noticed ctfmerge either
> - temporarily sucks the life out of the machine,
> - or crashes
> ?
> cd /usr/src; make buildworld ; make buildkernel
> 	linking kernel.full
> 	ctfmerge -L VERSION -g -o kernel.full ...
> No rponse from these:
>    Attempt to start new xterm to host (to run top) fails,
>    Attempt to Control Z suspend the job in existing xterm is ignored,
>    Stroking keypad (aka mouse wobble) ignored
>    Screen stayed black (as it was before cos xdm was running & no human using it)
>    No disk activity.
> Eventually laptop fan ran a bit faster for a bit (BIOS ?)
> I had to power off laptop to reboot.
>
> I've seen it a few times in recent weeks with various recent current.
>
> uname -a
> 	FreeBSD lapr.js.berklix.net 11.0-CURRENT FreeBSD 11.0-CURRENT
> 	#4 r298975M: Wed May  4 14:59:04 CEST 2016
> 	jhs at lapr.js.berklix.net:/data/release/11.0-CURRENT/usr/obj/usr/src/sys/GENERIC
> 	amd64
>
> /usr/src it crashed building is at svn 299060	OK I now have newer here.
>
> I have nothing to debug in /var/crash as
> 	swapinfo		2 355 200 1K-blocks
> 	bsdlabel /dev/ada0s1	4 710 400
>
> 	dmesg real memory  	3 221 225 472 (3072 MB)
> 	dmesg avail memory 	2 759 401 472 (2631 MB)
> So ready for next one, I'll re bsdlabel the partition,
> (less risky than keeping a 4G ram stick in with /etc/rc.conf dumpdev=/dev/da0 )
>
> Cheers,
> Julian
>

Hi,

I've seen this on 10-stable machines when compiling 11-current, but not 
on 11-current machines doing the same build.

--HPS