arm64 panic: reaper-related?

From: Glen Barber <gjb_at_freebsd.org>
Date: Mon, 13 Jul 2020 13:58:21 +0000
Hi,

This morning, one of our arm64 build machines panicked.  It looks like
it is somehow reaper-related, but I am not entirely sure.  Backtrace
follows.  Any thoughts?  I'm not quite sure where to go from here...
Thanks in advance for any input.

db> set $lines 0
db> bt
Tracing pid 11 tid 100003 td 0xfffffd0001634000
db_trace_self() at db_stack_trace+0xf8
         pc = 0xffff00000075fdac  lr = 0xffff000000103e78
         sp = 0xffff00011eca89b0  fp = 0xffff00011eca89e0

db_stack_trace() at db_command+0x228
         pc = 0xffff000000103e78  lr = 0xffff000000103af0
         sp = 0xffff00011eca89f0  fp = 0xffff00011eca8ad0

db_command() at db_command_loop+0x58
         pc = 0xffff000000103af0  lr = 0xffff000000103898
         sp = 0xffff00011eca8ae0  fp = 0xffff00011eca8b00

db_command_loop() at db_trap+0xf4
         pc = 0xffff000000103898  lr = 0xffff000000106c0c
         sp = 0xffff00011eca8b10  fp = 0xffff00011eca8d30

db_trap() at kdb         pc = 0xffff000000106c0c  lr = 0xffff000000463b0c
         sp = 0xffff00011eca8d40  fp = 0xffff00011eca8df0

kdb_trap() at do_el1h_sync+0xf4
         pc = 0xffff000000463b0c  lr = 0xffff00000077b448
         sp = 0xffff00011eca8e00  fp = 0xffff00011eca8e30

do_el1h_sync() at handle_el1h_sync+0x78
         pc = 0xffff00000077b448  lr = 0xffff000000762878
         sp = 0xffff00011eca8e40  fp = 0xffff00011eca8f50

handle_el1h_sync() at kdb_enter+0x34
         pc = 0xffff000000762878  lr = 0xffff000000463168
         sp = 0xffff00011eca8f60  fp = 0xffff00011eca8ff0

kdb_enter() at vpanic+0x1b0
         pc = 0xffff000000463168  lr = 0xffff000000417a74
         sp = 0xffff00011eca9000  fp = 0xffff00011eca90b0

vpanic() at panic+0x44
         pc = 0xffff000000417a74  lr = 0xffff0000004178c0
         sp = 0xffff00011eca90c0  fp = 0xffff00011eca9140

panic() at __stack_chk_fail+0x10
         pc = 0xffff0000004178c0  lr = 0xffff00000044ab6c
         sp = 0xffff00011eca9150  fp = 0xffff00011eca9150

__stack_chk_fail() at putchar+0x2bc
         pc = 0xffff00000044ab6c  lr = 0xffff000000469ce8
         sp = 0xffff00011eca9160  fp = 0xffff00011eca91e0

putchar() at 0x106
         pc = 0xffff000000469ce8  lr = 0x0000000000000106
         sp = 0xffff00011eca91f0  fp = 0x0000000000000000

db> show proc 11
Process 11 (idle) at 0xfffffd0001630000:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffff0000010fae40
 ABI: null
 reaper: 0xffff0000010fae40 reapsubtree: 11
 sigparent: 20
 vmspace: 0xffff000001109200
   (map 0xffff000001109200)
   (map.pmap 0xffff0000011092c0)
   (pmap 0xffff000001109320)
 threads: 48
100003                   Run     CPU -1                      [idle: cpu0]
100004                   Run     CPU 1                       [idle: cpu1]
100005                   Run     CPU 2                       [idle: cpu2]
100006                   Run     CPU 3                       [idle: cpu3]
100007                   Run     CPU 4                       [idle: cpu4]
100008                   Run     CPU 5                       [idle: cpu5]
100009                   Run     CPU 6                       [idle: cpu6]
100010                   Run     CPU 7                       [idle: cpu7]
100011                   Run     CPU 8                       [idle: cpu8]
100012                   CanRun                              [idle: cpu9]
100013                   Run     CPU 10                      [idle: cpu10]
100014                   Run     CPU 11                      [idle: cpu11]
100015                   Run     CPU 12                      [idle: cpu12]
100016                   Run     CPU 13                      [idle: cpu13]
100017                   Run     CPU 14                      [idle: cpu14]
100018                   Run     CPU 15                      [idle: cpu15]
100019                   Run     CPU 16                      [idle: cpu16]
100020                   Run     CPU 17                      [idle: cpu17]
100021                   Run     CPU 18                      [idle: cpu18]
100022                   Run     CPU 19                      [idle: cpu19]
100023                   Run     CPU 20                      [idle: cpu20]
100024                   Run     CPU 21                      [idle: cpu21]
100025                   Run     CPU 22                      [idle: cpu22]
100026                   Run     CPU 23                      [idle: cpu23]
100027                   Run     CPU 24                      [idle: cpu24]
100028                   Run     CPU 25                      [idle: cpu25]
100029                   Run     CPU 26                      [idle: cpu26]
100030                   CanRun                              [idle: cpu27]
100031                   Run     CPU 28                      [idle: cpu28]
100032                   Run     CPU 29                      [idle: cpu29]
100033                   Run     CPU 30                      [idle: cpu30]
100034                   Run     CPU 31                      [idle: cpu31]
100035                   Run     CPU 32                      [idle: cpu32]
100036                   Run     CPU 33                      [idle: cpu33]
100037                   Run     CPU 34                      [idle: cpu34]
100038                   Run     CPU 35                      [idle: cpu35]
100039                   Run     CPU 36                      [idle: cpu36]
100040                   Run     CPU 37                      [idle: cpu37]
100041                   Run     CPU 38                      [idle: cpu38]
100042                   Run     CPU 39                      [idle: cpu39]
100043                   Run     CPU 40                      [idle: cpu40]
100044                   Run     CPU 41                      [idle: cpu41]
100045                   Run     CPU 42                      [idle: cpu42]
100046                   Run     CPU 43                      [idle: cpu43]
100047                   Run     CPU 44                      [idle: cpu44]
100048                   Run     CPU 45                      [idle: cpu45]
100049                   Run     CPU 46                      [idle: cpu46]
100050                   Run     CPU 47                      [idle: cpu47]


Glen


Received on Mon Jul 13 2020 - 11:58:25 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:24 UTC