A Pi3 running r355024 reported a panic while doing a -j3 make of www/chromium: panic: non-current pmap 0xfffffd001e05b130 cpuid = 0 time = 1575161361 KDB: stack backtrace: db_trace_self() at db_trace_self_wrapper+0x28 pc = 0xffff000000729e4c lr = 0xffff0000001066c8 sp = 0xffff000059f3e2b0 fp = 0xffff000059f3e4c0 db_trace_self_wrapper() at vpanic+0x18c pc = 0xffff0000001066c8 lr = 0xffff000000400d7c sp = 0xffff000059f3e4d0 fp = 0xffff000059f3e580 vpanic() at panic+0x44 pc = 0xffff000000400d7c lr = 0xffff000000400b2c sp = 0xffff000059f3e590 fp = 0xffff000059f3e610 panic() at pmap_remove_pages+0x8d4 pc = 0xffff000000400b2c lr = 0xffff00000074154c sp = 0xffff000059f3e620 fp = 0xffff000059f3e6e0 pmap_remove_pages() at vmspace_exit+0xc0 pc = 0xffff00000074154c lr = 0xffff0000006c9c00 sp = 0xffff000059f3e6f0 fp = 0xffff000059f3e720 vmspace_exit() at exit1+0x4f8 pc = 0xffff0000006c9c00 lr = 0xffff0000003bc2a4 sp = 0xffff000059f3e730 fp = 0xffff000059f3e7a0 exit1() at sys_sys_exit+0x10 pc = 0xffff0000003bc2a4 lr = 0xffff0000003bbda8 sp = 0xffff000059f3e7b0 fp = 0xffff000059f3e7b0 sys_sys_exit() at do_el0_sync+0x514 pc = 0xffff0000003bbda8 lr = 0xffff000000747aa4 sp = 0xffff000059f3e7c0 fp = 0xffff000059f3e860 do_el0_sync() at handle_el0_sync+0x90 pc = 0xffff000000747aa4 lr = 0xffff00000072ca14 sp = 0xffff000059f3e870 fp = 0xffff000059f3e980 handle_el0_sync() at 0x404e6d60 pc = 0xffff00000072ca14 lr = 0x00000000404e6d60 sp = 0xffff000059f3e990 fp = 0x0000ffffffffd590 KDB: enter: panic [ thread pid 94966 tid 100145 ] Stopped at 0x40505460: undefined 54000042 db> bt Tracing pid 94966 tid 100145 td 0xfffffd002552b000 db_trace_self() at db_stack_trace+0xf8 pc = 0xffff000000729e4c lr = 0xffff000000103b0c sp = 0xffff000059f3de80 fp = 0xffff000059f3deb0 db_stack_trace() at db_command+0x228 pc = 0xffff000000103b0c lr = 0xffff000000103784 sp = 0xffff000059f3dec0 fp = 0xffff000059f3dfa0 db_command() at db_command_loop+0x58 pc = 0xffff000000103784 lr = 0xffff00000010352c sp = 0xffff000059f3dfb0 fp = 0xffff000059f3dfd0 db_command_loop() at db_trap+0xf4 pc = 0xffff00000010352c lr = 0xffff000000106830 sp = 0xffff000059f3dfe0 fp = 0xffff000059f3e200 db_trap() at kdb_trap+0x1d8 pc = 0xffff000000106830 lr = 0xffff0000004492fc sp = 0xffff000059f3e210 fp = 0xffff000059f3e2c0 kdb_trap() at do_el1h_sync+0xf4 pc = 0xffff0000004492fc lr = 0xffff000000747418 sp = 0xffff000059f3e2d0 fp = 0xffff000059f3e300 do_el1h_sync() at handle_el1h_sync+0x78 pc = 0xffff000000747418 lr = 0xffff00000072c878 sp = 0xffff000059f3e310 fp = 0xffff000059f3e420 handle_el1h_sync() at kdb_enter+0x34 pc = 0xffff00000072c878 lr = 0xffff000000448948 sp = 0xffff000059f3e430 fp = 0xffff000059f3e4c0 kdb_enter() at vpanic+0x1a8 pc = 0xffff000000448948 lr = 0xffff000000400d98 sp = 0xffff000059f3e4d0 fp = 0xffff000059f3e580 vpanic() at panic+0x44 pc = 0xffff000000400d98 lr = 0xffff000000400b2c sp = 0xffff000059f3e590 fp = 0xffff000059f3e610 panic() at pmap_remove_pages+0x8d4 pc = 0xffff000000400b2c lr = 0xffff00000074154c sp = 0xffff000059f3e620 fp = 0xffff000059f3e6e0 pmap_remove_pages() at vmspace_exit+0xc0 pc = 0xffff00000074154c lr = 0xffff0000006c9c00 sp = 0xffff000059f3e6f0 fp = 0xffff000059f3e720 vmspace_exit() at exit1+0x4f8 pc = 0xffff0000006c9c00 lr = 0xffff0000003bc2a4 sp = 0xffff000059f3e730 fp = 0xffff000059f3e7a0 exit1() at sys_sys_exit+0x10 pc = 0xffff0000003bc2a4 lr = 0xffff0000003bbda8 sp = 0xffff000059f3e7b0 fp = 0xffff000059f3e7b0 sys_sys_exit() at do_el0_sync+0x514 pc = 0xffff0000003bbda8 lr = 0xffff000000747aa4 sp = 0xffff000059f3e7c0 fp = 0xffff000059f3e860 do_el0_sync() at handle_el0_sync+0x90 pc = 0xffff000000747aa4 lr = 0xffff00000072ca14 sp = 0xffff000059f3e870 fp = 0xffff000059f3e980 handle_el0_sync() at 0x404e6d60 pc = 0xffff00000072ca14 lr = 0x00000000404e6d60 sp = 0xffff000059f3e990 fp = 0x0000ffffffffd590 db> The last top screen showed last pid: 94966; load averages: 1.22, 1.42, 1.40 up 0+05:10:16 16:49:20 43 processes: 1 running, 42 sleeping CPU: 3.7% user, 0.0% nice, 20.0% system, 5.5% interrupt, 70.8% idle Mem: 502M Active, 6672K Inact, 150M Laundry, 184M Wired, 90M Buf, 55M Free Swap: 7194M Total, 3835M Used, 3359M Free, 53% Inuse, 11M In, 3852K Out PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 71350 root 1 22 0 951M 144M swread 0 10:20 5.97% c++ 58502 root 1 21 0 986M 232M swread 1 11:23 3.42% c++ 77283 root 1 22 0 963M 151M swread 0 8:45 3.30% c++ 6904 root 1 22 0 1144M 191M swread 0 21:26 3.29% c++ 1091 bob 1 52 0 11M 324K wait 3 0:55 0.27% sh 1079 bob 1 20 0 13M 1636K CPU0 0 0:57 0.22% top 1074 bob 1 20 0 19M 1316K select 1 0:13 0.03% sshd 970 root 1 20 0 16M 1500K select 1 0:02 0.02% sendmail 1069 root 1 20 0 204M 1044K select 3 1:40 0.00% ninja 1050 root 1 20 0 12M 972K select 2 0:02 0.00% make 977 root 1 20 0 11M 0B nanslp 1 0:02 0.00% <cron> 957 root 1 20 0 19M 1216K select 1 0:01 0.00% sshd 824 root 1 20 0 11M 1084K select 2 0:01 0.00% syslogd 1084 bob 1 20 0 13M 1008K ttyin 0 0:00 0.00% tcsh and the last few storage activity log entries were: dT: 1.002s w: 1.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w d/s kBps ms/d %busy Name 1 713 694 4666 3.7 20 116 6.0 0 0 0.0 90.9 mmcsd0 1 713 694 4666 3.8 20 116 6.0 0 0 0.0 91.2 mmcsd0s2 2 751 734 4730 2.0 17 96 0.6 0 0 0.0 79.4 da0 1 713 694 4666 3.8 20 116 6.0 0 0 0.0 91.4 mmcsd0s2b 2 751 734 4730 2.0 17 96 0.6 0 0 0.0 79.9 da0p6 Sat Nov 30 16:48:21 PST 2019 Device 1K-blocks Used Avail Capacity /dev/mmcsd0s2b 4404252 1958976 2445276 44% /dev/da0p6 5242880 1956872 3286008 37% Total 9647132 3915848 5731284 41% Nov 30 16:38:17 www sshd[91264]: error: PAM: Authentication error for illegal user support from 103.133.104.114 Nov 30 16:38:17 www sshd[91264]: error: Received disconnect from 103.133.104.114 port 52716:14: No more user authentication methods available. [preauth] 0/1016/1016/19178 mbuf clusters in use (current/cache/total/max) procs memory page disks faults cpu r b w avm fre flt re pi po fr sr mm0 da0 in sy cs us sy id 0 0 12 4523836 56064 6988 186 715 257 6931 25128 0 0 30789 1073 29817 14 26 60 dT: 1.002s w: 1.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w d/s kBps ms/d %busy Name 0 709 687 4588 3.9 22 144 5.8 0 0 0.0 90.5 mmcsd0 0 709 687 4588 3.9 22 144 5.8 0 0 0.0 90.9 mmcsd0s2 2 698 679 4696 2.1 19 104 0.6 0 0 0.0 75.2 da0 0 709 687 4588 3.9 22 144 5.8 0 0 0.0 91.0 mmcsd0s2b 2 698 679 4696 2.2 19 104 0.6 0 0 0.0 75.7 da0p6 Sat Nov 30 16:48:22 PST 2019 Device 1K-blocks Used Avail Capacity /dev/mmcsd0s2b 4404252 1959032 2445220 44% /dev/da0p6 5242880 1956928 3285952 37% Total 9647132 3915960 5731172 41% Nov 30 16:38:17 www sshd[91264]: error: PAM: Authentication error for illegal user support from 103.133.104.114 Nov 30 16:38:17 www sshd[91264]: error: Received disconnect from 103.133.104.114 port 52716:14: No more user authentication methods available. [preauth] 0/1016/1016/19178 mbuf clusters in use (current/cache/total/max) procs memory page disks faults cpu r b w avm fre flt re pi po fr sr mm0 da0 in sy cs us sy id 0 0 12 4523836 55844 6989 186 715 257 6932 25127 604 604 30790 1073 29819 14 26 60 dT: 1.001s w: 1.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w d/s kBps ms/d %busy Name 2 736 680 4829 3.9 56 292 5.0 0 0 0.0 94.4 mmcsd0 2 736 680 4829 4.0 56 292 5.0 0 0 0.0 94.6 mmcsd0s2 1 680 627 4014 1.9 53 328 1.0 0 0 0.0 71.1 da0 2 736 680 4829 4.0 56 292 5.0 0 0 0.0 94.7 mmcsd0s2b 1 680 627 4014 1.9 53 328 1.0 0 0 0.0 71.7 da0p6 Sat Nov 30 16:48:24 PST 2019 Device 1K-blocks Used Avail Capacity /dev/mmcsd0s2b 4404252 1959324 2444928 44% /dev/da0p6 5242880 1957468 3285412 37% Total 9647132 3916792 5730340 41% Nov 30 16:38:17 www sshd[91264]: error: PAM: Authentication error for illegal user support from 103.133.104.114 Nov 30 16:38:17 www sshd[91264]: error: Received disconnect from 103.133.104.114 port 52716:14: No more user authentication methods available. [preauth] 0/1016/1016/19178 mbuf clusters in use (current/cache/total/max) procs memory page disks faults cpu r b w avm fre flt re pi po fr sr mm0 da0 in sy cs us sy id 0 0 12 4523836 52860 6989 186 715 257 6932 25125 1038 1038 30790 1073 29820 14 26 60 dT: 1.002s w: 1.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w d/s kBps ms/d %busy Name 1 751 702 4860 4.0 49 251 5.0 0 0 0.0 94.4 mmcsd0 1 751 702 4860 4.1 49 251 5.1 0 0 0.0 94.7 mmcsd0s2 2 704 658 4082 1.8 46 235 0.6 0 0 0.0 71.9 da0 1 751 702 4860 4.1 49 251 5.1 0 0 0.0 94.8 mmcsd0s2b 2 704 658 4082 1.8 46 235 0.7 0 0 0.0 72.6 da0p6 Sat Nov 30 16:48:26 PST 2019 Device 1K-blocks Used Avail Capacity /dev/mmcsd0s2b 4404252 1959504 2444748 44% /dev/da0p6 5242880 1957540 3285340 37% Total 9647132 3917044 5730088 41% Nov 30 16:38:17 www sshd[91264]: error: PAM: Authentication error for illegal user support from 103.133.104.114 Nov 30 16:38:17 www sshd[91264]: error: Received disconnect from 103.133.104.114 port 52716:14: No more user authentication methods available. [preauth] 0/1016/1016/19178 mbuf clusters in use (current/cache/total/max) procs memory page disks faults cpu r b w avm fre flt re pi po fr sr mm0 da0 in sy cs us sy id 0 0 12 4523868 46872 6989 186 715 257 6932 25123 0 0 30790 1073 29820 14 26 60 dT: 1.002s w: 1.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w d/s kBps ms/d %busy Name 2 700 681 4888 3.7 19 108 3.7 0 0 0.0 92.1 mmcsd0 2 700 681 4888 3.8 19 108 3.7 0 0 0.0 92.5 mmcsd0s2 2 709 687 4314 2.1 22 108 3.4 0 0 0.0 78.2 da0 2 700 681 4888 3.8 19 108 3.7 0 0 0.0 92.6 mmcsd0s2b 2 709 687 4314 2.1 22 108 3.4 0 0 0.0 78.7 da0p6 Sat Nov 30 16:48:28 PST 2019 Device 1K-blocks Used Avail Capacity /dev/mmcsd0s2b 440 It's clear the machine was heavily loaded, but storage didn't appear to be swamped. I hope the foregoing has been of some interest, thanks for reading! bob prohaskaReceived on Sun Dec 01 2019 - 00:16:21 UTC
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