On Sat, 2016-10-15 at 09:36:27 -0700, Kevin Oberman wrote: > On Sat, Oct 15, 2016 at 9:26 AM, Hans Petter Selasky <hps_at_selasky.org> > wrote: > > > On 10/15/16 18:18, Ulrich Spörlein wrote: > > > >> Hey all, while 11.x is -STABLE now, this happens to my machine ever > >> since I upgraded it to 11-CURRENT years ago. I have no idea when this > >> started, actually, but what always happens is this: > >> > >> - System and X11 is up and running, I keep it running over night as I'm > >> too lazy to reboot and restart everthing. > >> - There's a bunch of xterms, Chrome, Clementine-Player and some other > >> programs running > >> - Coming back to the machine the next day (or the day after) it will > >> exit the screensaver just fine and then either I can use it for a couple > >> of seconds before it freezes, or it's pretty much dead already. The > >> mouse cursor still moves for a bit, but the also freezes (so it this a > >> GPU problem??) > >> > >> Now what I currently see on the screen is a clock widget stuck at 18:04 > >> but conky itself has last updated at 18:00:18 ... > >> > >> This time I had some SSH sessions from another machine to see some more > >> useful things. There was nothing in various logs under /var/log (I also > >> can't run dmesg anymore ...) > >> I had top(1) running in a loop, this is the last output: > >> > >> last pid: 25633; load averages: 0.27, 0.39, 0.36 up 1+23:03:28 > >> 18:00:12 > >> 202 processes: 2 running, 188 sleeping, 11 zombie, 1 waiting > >> > >> Mem: 8873M Active, 1783M Inact, 5072M Wired, 567M Buf, 132M Free > >> ARC: 1844M Total, 469M MFU, 268M MRU, 16K Anon, 96M Header, 1012M Other > >> Swap: 4096M Total, 2395M Used, 1701M Free, 58% Inuse > >> > >> > >> PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU > >> COMMAND > >> 11 root 8 155 ki31 0K 128K CPU0 0 364.6H 772.95% > >> idle > >> 3122 uqs 15 28 0 7113M 5861M uwait 0 > >> 94:44 13.96% chrome > >> 2887 uqs 28 22 0 1394M 237M > >> select 2 172:53 6.98% chrome > >> 2890 uqs 11 21 0 > >> 1034M 178M select 5 231:21 1.95% chrome > >> 1062 root 9 > >> 21 0 440M 47220K select 0 67:09 0.98% Xorg > >> 3002 uqs > >> 15 25 5 1159M 172M uwait 2 19:09 0.00% chrome > >> 3139 uqs 17 25 5 1163M 156M uwait 2 16:15 0.00% > >> chrome > >> 3001 uqs 18 25 5 1639M 575M uwait 0 16:05 0.00% > >> chrome > >> 12 root 24 -64 - 0K 384K WAIT -1 10:53 0.00% > >> intr > >> 3129 uqs 12 20 0 2820M 1746M uwait 6 8:36 0.00% > >> chrome > >> 2822 uqs 9 20 0 217M 81300K select 0 5:10 0.00% > >> conky > >> 3174 root 1 20 0 21532K 3188K select 0 4:20 0.00% > >> systat > >> 3130 uqs 16 20 0 1058M 131M uwait 4 3:03 0.00% > >> chrome > >> 2998 uqs 16 20 0 1110M 123M uwait 2 2:53 0.00% > >> chrome > >> 3165 uqs 10 20 0 1209M 215M uwait 6 2:52 0.00% > >> chrome > >> 3142 uqs 11 25 5 1344M 195M uwait 2 2:46 0.00% > >> chrome > >> 2876 uqs 19 20 0 580M 37164K select 3 2:42 0.00% > >> clementine-player > >> 20 root 2 -16 - 0K 32K psleep 6 2:25 0.00% > >> pagedaemon > >> > >> I also had systat -vm running and it continued to update its screen ... > >> for a short while, this is the last update before SSH died: > >> > >> > >> Mem usage: 0k%Phy 5%Kmem > >> Mem: KB REAL VIRTUAL VN PAGER SWAP > >> PAGER > >> Tot Share Tot Share Free in out in > >> out > >> Act 11051k 67868 71051992 255448 61840 count > >> All 11051k 67924 71058776 262100 pages > >> Proc: > >> Interrupts > >> r p d s w Csw Trp Sys Int Sof Flt ioflt 224 > >> total > >> 25 730 11 724 109 404 101 13 cow 2 > >> ehci0 16 > >> zfod 3 > >> ehci1 23 > >> 0.0%Sys 0.1%Intr 0.0%User 0.0%Nice 99.9%Idle ozfod 16 > >> cpu0:timer > >> | | | | | | | | | | %ozfod > >> xhci0 264 > >> daefr 3 em0 > >> 265 > >> 50 dtbuf prcfr 94 > >> hdac1 266 > >> Namei Name-cache Dir-cache 349167 desvn totfr > >> ahci0 270 > >> Calls hits % hits % 349155 numvn react 5 > >> cpu1:timer > >> 121 121 100 253501 frevn pdwak 1 > >> cpu2:timer > >> pdpgs 29 > >> cpu7:timer > >> Disks md0 ada0 ada1 pass0 pass1 pass2 intrn 12 > >> cpu3:timer > >> KB/t 0.00 0.00 0.00 0.00 0.00 0.00 5318892 wire 41 > >> cpu6:timer > >> tps 0 0 0 0 0 0 9261404 act 12 > >> cpu5:timer > >> MB/s 0.00 0.00 0.00 0.00 0.00 0.00 1598184 inact 6 > >> cpu4:timer > >> %busy 0 0 0 0 0 0 cache > >> vgapci0 > >> 61840 free > >> 712304 buf > >> > >> > >> Why do I have a Chrome tab using about 6G? What other sort of debugging > >> output can be helpful to get to the bottom of this? The machine still > >> responds to pings just fine, TCP connections get set up but the SSH > >> handshake never completes. > >> > >> This always happens between 30-50h and is super annoying and has been > >> going on for >1year. Help? > >> > >> Note, I cut the power to the monitor overnight to save electricity, can > >> this mess up something in the Radeon card or X server? What combinations > >> would be most useful to try next? > >> > >> > > Hi, > > > > Sounds like a memory leak. Can you track the memory use over time? > > > > Did you look at the output from: > > > > vmstat -m ? > > > > --HPS > > > I have noted significant memory leakage in chromium for some time. If I > leave it running overnight, my system is essentially frozen. If I terminate > the chromium process, it slowly comes back to life. I always keep a gkrellm > session on-screen where the memory and swap utilization is continuously > displayed and that clearly shows resources declining. That is not what is happening to my system though, it actually deadlocks. There's no way to recover from it, it seems. So I killed Chromium overnight each day, and I'm at this: % top -Sbores last pid: 44526; load averages: 0.10, 0.11, 0.56 up 7+09:53:30 19:33:25 156 processes: 2 running, 153 sleeping, 1 waiting Mem: 315M Active, 550M Inact, 5671M Wired, 515M Buf, 9324M Free ARC: 1852M Total, 541M MFU, 196M MRU, 16K Anon, 93M Header, 1022M Other Swap: 4096M Total, 2186M Used, 1910M Free, 53% Inuse PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 2755 uqs 10 20 0 1697M 311M select 1 47:23 0.00% conky 2736 uqs 32 20 0 699M 116M select 7 94:29 0.00% clementine-player 3000 uqs 12 20 0 1126M 69380K select 5 9:48 0.00% digikam 960 root 9 20 0 448M 59076K select 0 250:22 0.00% Xorg 72608 uqs 8 20 0 939M 55432K uwait 5 0:01 0.00% chrome 72599 uqs 9 52 0 929M 55116K uwait 0 0:00 0.00% chrome 2567 root 1 20 0 89948K 42964K select 1 1:51 0.00% bsnmpd 70476 uqs 1 20 0 93656K 25712K select 2 0:05 0.00% xterm 2730 uqs 5 20 0 208M 14988K select 1 0:22 0.00% clock-applet 880 root 1 20 0 22628K 12500K select 3 0:20 0.00% ntpd 2726 uqs 4 20 0 206M 12456K select 6 0:09 0.00% mateweather-applet 44352 uqs 1 20 0 75224K 12348K select 4 0:00 0.00% xterm 43049 uqs 1 20 0 75224K 11792K select 5 0:00 0.00% xterm 3074 uqs 2 20 0 308M 9692K select 1 0:02 0.00% kdeinit4 2671 uqs 1 20 0 144M 9488K select 1 0:13 0.00% openbox 3072 uqs 1 20 0 210M 8284K select 3 0:00 0.00% kdeinit4 2724 uqs 4 20 0 154M 8256K select 2 0:19 0.00% wnck-applet 2701 uqs 5 20 0 177M 8144K select 2 0:01 0.00% mate-panel 7d running, pretty good. But look closer, the system is doing pretty much nothing but did swap out 2G. What? > Try closing your chromium at night and see if that fixes the problem. It's better, but I'm not sure it's a real fix. I've now turned off "hardware acceleration" in Chromium, though chrome://gpu didn't real inspire confidence that it was actually using any h/w accel at all. > If you have never tried gkrellm (sysutils/gkrellm2), it is a the best > system monitor I have found. though pulls in a lot of dependencies. It also > can run as a server with remote systems displaying the data. Handy to > monitor servers. I had a cacti-setup that would also monitor my workstation (through a OpenVPN tunnel), but that has bit-rotted and Apache only gives me 500s on that cacti URL and nothing in the logs, oh well ...) Hooking up a serial console and testing whether DDB works is probably the next best step to take ... Cheers, UliReceived on Mon Oct 24 2016 - 15:43:31 UTC
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