Re: ctfmerge slows & sometimes crashes

From: Julian H. Stacey <jhs_at_berklix.com>
Date: Fri, 06 May 2016 02:11:42 +0200
Hans Petter Selasky wrote:
> 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

Thanks HPS, I've repartitioned & rebooted with an exactly matching swap
	swapinfo		3145728
	bsdlabel		6291456
	dmesg real memory	3221225472 (3072 MB)
	dc 3145728 2 * p 6291456 512 * p 3221225472
& again running make buildkernel, I'll hope to offer a back trace next time.

Cheers,
Julian
--
Julian Stacey, BSD Linux Unix Sys Eng Consultant Munich http://berklix.eu/jhs/
 Mail plain text,  No quoted-printable, HTML, base64, MS.doc.
 Prefix old lines '> '  Reply below old, like play script.  Break lines by 80.
 Brexit: Meeting +UK blocks votes of Brits in EU  http://www.berklix.eu/brexit/
Received on Thu May 05 2016 - 22:12:08 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:04 UTC