Date: Mon, 12 Feb 2018 15:13:57 +0800 From: Erich Dollansky <freebsd.ed.lists@sumeritec.com> To: Ask =?ISO-8859-1?Q?Bj=F8rn?= Hansen <ask@develooper.com> Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD on 64MB memory Message-ID: <20180212151357.184d7770.freebsd.ed.lists@sumeritec.com> In-Reply-To: <5FB97479-C49D-4C6E-8416-015ECA656C14@develooper.com> References: <5FB97479-C49D-4C6E-8416-015ECA656C14@develooper.com>
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Hi, I do not know if this helps here. I faced also memory problems on the older Raspberry generations. Enabling swap helped even with no swap in use. Maybe, you also try it. Erich On Sun, 11 Feb 2018 20:56:02 -0800 Ask Bj=C3=B8rn Hansen <ask@develooper.com> wrote: > Hi, >=20 > I have an old Soekris system with 64MB memory that I upgraded from > 10.3 to 11.1 recently. Since then it=E2=80=99s started hanging every few = days. >=20 > Today I happened to have a =E2=80=9Ctop=E2=80=9D instance running on the = serial > console. The system is minimally responsive to the network (ICMP and > CARP are working, but no services). >=20 > From the top output it=E2=80=99s not clear what resource it=E2=80=99s out= of. > There=E2=80=99s no swap configured, but that what it looks like it=E2=80= =99s trying > to do?=20 >=20 > The =E2=80=98pf purge=E2=80=99 process is suspicious. There are no pf rul= es > configured on the system (it should be all disabled). >=20 > Any suggestions? (Other than =E2=80=9Cseriously =E2=80=A6 64MB memory?!= =E2=80=9D). >=20 >=20 > Ask >=20 >=20 > last pid: 2228; load averages: 0.63, 0.65, 0.70 up > 0+21:13:56 04:50:47 36 processes: 2 running, 33 sleeping, 1 > waiting CPU: 0.1% user, 0.0% nice, 11.3% system, 2.4% interrupt, > 86.2% idle Mem: 1616K Active, 10M Inact, 28M Wired, 3099K Buf, 1768K > Free Swap: >=20 > PID UID THR PRI NICE SIZE RES STATE TIME WCPU > COMMAND 11 0 1 155 ki31 0K 8K RUN 16.8H 75.53% > idle 0 0 7 -16 - 0K 64K swapin 155:10 12.00% > kernel 16 0 3 -16 - 0K 24K psleep 10:04 8.15% > pagedaemon 12 0 14 -64 - 0K 112K WAIT 27:21 > 2.80% intr 6 0 1 -16 - 0K 8K pftm 8:56 > 0.73% pf purge 1027 0 1 20 0 7272K 1140K RUN > 6:04 0.52% top 7 0 1 -16 - 0K 8K - > 2:57 0.18% rand_harvestq 21 0 1 16 - 0K 8K > syncer 0:22 0.05% syncer 22 0 1 21 - 0K 8K > vlruwt 0:07 0.01% vnlru 19 0 1 20 - 0K 8K > psleep 0:08 0.01% bufdaemon 788 0 1 20 0 5920K > 1752K select 0:04 0.01% syslogd 20 0 1 20 - > 0K 8K - 0:07 0.01% bufspacedaemon 911 0 1 > 20 0 8816K 8844K kmem a 43:41 0.00% ntpd 996 0 1 > 20 0 13628K 4620K kmem a 0:06 0.00% sshd 985 0 1 > 20 0 5952K 584K kmem a 0:07 0.00% cron 709 0 1 > 20 0 7300K 3364K kmem a 0:01 0.00% devd 2227 0 1 > 24 0 5952K 1232K kmem a 0:00 0.00% cron > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable To > unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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