arm64 panic: reaper-related?
Glen Barber
gjb at freebsd.org
Mon Jul 13 14:05:41 UTC 2020
On Mon, Jul 13, 2020 at 01:58:21PM +0000, Glen Barber wrote:
> 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]
>
>
I should have included this as well...
db> show panic
panic: Misaligned access from kernel space!
Glen
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