Date: Fri, 29 Jun 2018 22:28:25 +1000 From: Trev <freebsd-arm@sentry.org> To: freebsd-arm@freebsd.org Subject: Re: RPI3 swap experiments Message-ID: <51e208b4-9f14-58f7-1e70-6ef8db2c0bed@sentry.org> In-Reply-To: <20180628163328.GA33408@www.zefox.net> References: <20180626151843.GD17293@www.zefox.net> <3525D7C7-F848-45A1-BD85-2DAC895DF48C@yahoo.com> <20180626222834.GA20270@www.zefox.net> <28012DFB-37A0-461A-BB62-CD3EE61E82F0@yahoo.com> <20180627054027.GA22144@www.zefox.net> <CC72E766-03CB-476C-8F2B-DAAC266CE63D@yahoo.com> <20180627194217.GA27793@www.zefox.net> <C6303FC5-B412-472C-98E4-9A1E45C38535@yahoo.com> <20180628022457.GA30110@www.zefox.net> <7B9D272D-3EDE-46FA-8A1C-AEE65047167C@yahoo.com> <20180628163328.GA33408@www.zefox.net>
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Jun 29 20:20:35 rpi3 kernel: pid 66844 (c++), uid 0, was killed: out of
swap space
At the time of "out of swap" only 157M of the 4G swap was in use. The
4GB swap partition is on a 4GB USB2 memory key (da1p1), everything else
is on the sdcard. There are no excessively long ms/w being recorded.
There are no USB or other related errors.
top and gstat stats leading up to the process being killed are below.
last pid: 66931; load averages: 3.23, 3.14, 3.25 up 0+03:18:04
20:20:16
47 processes: 3 running, 44 sleeping
Mem: 647M Active, 25M Inact, 22M Laundry, 188M Wired, 97M Buf, 19M Free
Swap: 4044M Total, 136M Used, 3908M Free, 3% Inuse
1 15 0 0 0.0 15 607 65.0 97.4 mmcsd0s2a
4 17 7 56 2.0 10 120 8.9 4.2 da1p1
last pid: 66936; load averages: 3.29, 3.16, 3.25 up 0+03:18:08
20:20:20
47 processes: 4 running, 43 sleeping
Mem: 664M Active, 5732K Inact, 27M Laundry, 184M Wired, 97M Buf, 19M Free
Swap: 4044M Total, 138M Used, 3906M Free, 3% Inuse
1 13 0 0 0.0 13 527 58.8 74.7 mmcsd0s2a
4 34 2 20 2.9 32 2187 40.4 40.8 da1p1
last pid: 66941; load averages: 3.35, 3.17, 3.25 up 0+03:18:13
20:20:25
47 processes: 3 running, 44 sleeping
Mem: 644M Active, 524K Inact, 58M Laundry, 183M Wired, 97M Buf, 15M Free
Swap: 4044M Total, 140M Used, 3904M Free, 3% Inuse
0 3 0 0 0.0 3 96 98.0 29.1 mmcsd0s2a
5 42 0 0 0.0 42 2205 88.9 99.8 da1p1
last pid: 66946; load averages: 3.32, 3.17, 3.25 up 0+03:18:17
20:20:29
47 processes: 3 running, 44 sleeping
Mem: 601M Active, 420K Inact, 96M Laundry, 184M Wired, 97M Buf, 20M Free
Swap: 4044M Total, 150M Used, 3893M Free, 3% Inuse
1 1 0 0 0.0 1 96 169.5 16.9 mmcsd0s2a
0 102 5 32 158.3 97 1357 38.2 93.8 da1p1
last pid: 66951; load averages: 3.38, 3.18, 3.26 up 0+03:18:21
20:20:33
47 processes: 3 running, 44 sleeping
Mem: 271M Active, 339M Inact, 89M Laundry, 184M Wired, 97M Buf, 18M Free
Swap: 4044M Total, 157M Used, 3887M Free, 3% Inuse
0 7 0 0 0.0 7 223 79.4 55.4 mmcsd0s2a
5 0 0 0 0.0 0 0 0.0 0.0 da1p1
[OUT OF SWAP OCCURS HERE at 20:20:35 - 2 secs after the above and 2 secs
before the below]
last pid: 66957; load averages: 3.34, 3.18, 3.25 up 0+03:18:25
20:20:37
47 processes: 3 running, 44 sleeping
Mem: 233M Active, 680K Inact, 296M Laundry, 184M Wired, 98M Buf, 187M Free
Swap: 4044M Total, 157M Used, 3887M Free, 3% Inuse
0 0 0 0 0.0 0 0 0.0 0.0 mmcsd0s2a
6 0 0 0 0.0 0 0 0.0 0.0 da1p1
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