[Bug 223824] [arm64] Kernel panic in ng_base.c (netgraph)

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223824

--- Comment #5 from aonishenko <aonishenko at protonmail.com> ---
Here is more detailed out

root at rpi3:/usr/home/pi # service mpd5 onestart
Starting mpd5.
root at rpi3:/usr/home/pi # Kernel page fault with the following non-sleepable
locks held:
exclusive sleep mutex ng_node (ng_node) r = 0 (0xfffffd0001b14e70) locked @
/usr/local/src/CURR/head/sys/netgraph/ng_base.c:2325
stack backtrace:
#0 0xffff000000368f00 at witness_debugger+0x64
#1 0xffff00000036a260 at witness_warn+0x43c
#2 0xffff000000616104 at data_abort+0xe0
#3 0xffff0000005ff874 at handle_el1h_sync+0x74
#4 0xffff00000041d22c at ng_snd_item+0x3bc
#5 0xffff000000433cf0 at ngc_send+0x20c
#6 0xffff0000003969d4 at sosend_generic+0x380
#7 0xffff00000039cd14 at kern_sendit+0x28c
#8 0xffff00000039cffc at sendit+0x1a4
#9 0xffff00000039ce48 at sys_sendto+0x50
#10 0xffff000000616afc at do_el0_sync+0x884
#11 0xffff0000005ff9f4 at handle_el0_sync+0x74
  x0: fffffd0001b14e70
  x1:                8
  x2: ffff0000006ad8a0
  x3:              915
  x4:                0
  x5:                2
  x6: fffffd0001fa8d20
  x7:               40
  x8:                2
  x9:                0
 x10:               18
 x11:            10000
 x12: ffff000000a52868
 x13:         ffffffff
 x14:                0
 x15: fffffd0001fa8c40
 x16:         406002b0
 x17:         407924e4
 x18: ffff00004031f6f0
 x19:                0
 x20: fffffd0001b14e88
 x21: fffffd0001b14e00
 x22: ffff0000006ad8a0
 x23: fffffd0001b14e68
 x24: ffff00004031f740
 x25: fffffd0001bcc238
 x26: fffffd0001de0200
 x27: fffffd0001cf8018
 x28:                0
 x29: ffff00004031f720
  sp: ffff00004031f6f0
  lr: ffff00000041d230
 elr: ffff00000041d23c
spsr:         80000345
 far:                0
 esr:         96000007
panic: data abort in critical section or under mutex
cpuid = 1
time = 1511729631
KDB: stack backtrace:
db_trace_self() at db_trace_self_wrapper+0x28
         pc = 0xffff0000005fde50  lr = 0xffff000000088b88
         sp = 0xffff00004031f150  fp = 0xffff00004031f360

db_trace_self_wrapper() at vpanic+0x184
         pc = 0xffff000000088b88  lr = 0xffff00000030bb30
         sp = 0xffff00004031f370  fp = 0xffff00004031f3f0

vpanic() at panic+0x48
         pc = 0xffff00000030bb30  lr = 0xffff00000030bbbc
         sp = 0xffff00004031f400  fp = 0xffff00004031f480

panic() at data_abort+0x250
         pc = 0xffff00000030bbbc  lr = 0xffff000000616274
         sp = 0xffff00004031f490  fp = 0xffff00004031f540

data_abort() at handle_el1h_sync+0x74
         pc = 0xffff000000616274  lr = 0xffff0000005ff874
         sp = 0xffff00004031f550  fp = 0xffff00004031f660

handle_el1h_sync() at ng_snd_item+0x3bc
         pc = 0xffff0000005ff874  lr = 0xffff00000041d22c
         sp = 0xffff00004031f670  fp = 0xffff00004031f720

ng_snd_item() at ngc_send+0x20c
         pc = 0xffff00000041d22c  lr = 0xffff000000433cf0
         sp = 0xffff00004031f730  fp = 0xffff00004031f7b0

ngc_send() at sosend_generic+0x380
         pc = 0xffff000000433cf0  lr = 0xffff0000003969d4
         sp = 0xffff00004031f7c0  fp = 0xffff00004031f860

sosend_generic() at kern_sendit+0x28c
         pc = 0xffff0000003969d4  lr = 0xffff00000039cd14
         sp = 0xffff00004031f870  fp = 0xffff00004031f900

kern_sendit() at sendit+0x1a4
         pc = 0xffff00000039cd14  lr = 0xffff00000039cffc
         sp = 0xffff00004031f910  fp = 0xffff00004031f950

sendit() at sys_sendto+0x50
         pc = 0xffff00000039cffc  lr = 0xffff00000039ce48
         sp = 0xffff00004031f960  fp = 0xffff00004031f9a0

sys_sendto() at do_el0_sync+0x884
         pc = 0xffff00000039ce48  lr = 0xffff000000616afc
         sp = 0xffff00004031f9b0  fp = 0xffff00004031fa70

do_el0_sync() at handle_el0_sync+0x74
         pc = 0xffff000000616afc  lr = 0xffff0000005ff9f4
         sp = 0xffff00004031fa80  fp = 0xffff00004031fb90

handle_el0_sync() at 0x405e4e28
         pc = 0xffff0000005ff9f4  lr = 0x00000000405e4e28
         sp = 0xffff00004031fba0  fp = 0x0000ffffffffe770

KDB: enter: panic
[ thread pid 651 tid 100106 ]
Stopped at      kdb_enter+0x40: undefined       d4200000
db>

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