Date: Mon, 13 Jul 2020 13:58:21 +0000 From: Glen Barber <gjb@freebsd.org> To: freebsd-current@freebsd.org Subject: arm64 panic: reaper-related? Message-ID: <20200713135821.GS61041@FreeBSD.org>
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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
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