Still seeing non-current pmap panics on the Pi3, this time a B+ running
13.0-CURRENT (GENERIC-MMCCAM) #0 71e02448ffb-c271826(master)
during a -j4 buildworld. The backtrace reports
panic: non-current pmap 0xffffa00020eab8f0
cpuid = 0
time = 1601947137
KDB: stack backtrace:
db_trace_self() at db_trace_self_wrapper+0x30
pc = 0xffff00000072999c lr = 0xffff00000019ec8c
sp = 0xffff00005d96c230 fp = 0xffff00005d96c430
db_trace_self_wrapper() at kdb_backtrace+0x38
pc = 0xffff00000019ec8c lr = 0xffff0000004b4984
sp = 0xffff00005d96c440 fp = 0xffff00005d96c500
kdb_backtrace() at vpanic+0x19c
pc = 0xffff0000004b4984 lr = 0xffff0000004734c0
sp = 0xffff00005d96c510 fp = 0xffff00005d96c560
vpanic() at panic+0x44
pc = 0xffff0000004734c0 lr = 0xffff0000004730dc
sp = 0xffff00005d96c570 fp = 0xffff00005d96c620
panic() at pmap_remove_pages+0x5d8
pc = 0xffff0000004730dc lr = 0xffff00000073fe58
sp = 0xffff00005d96c630 fp = 0xffff00005d96c690
pmap_remove_pages() at vmspace_exit+0xb0
pc = 0xffff00000073fe58 lr = 0xffff0000006c77a0
sp = 0xffff00005d96c6a0 fp = 0xffff00005d96c700
vmspace_exit() at exit1+0x470
pc = 0xffff0000006c77a0 lr = 0xffff00000042e5bc
sp = 0xffff00005d96c710 fp = 0xffff00005d96c760
exit1() at sys_sys_exit+0x10
pc = 0xffff00000042e5bc lr = 0xffff00000042e148
sp = 0xffff00005d96c770 fp = 0xffff00005d96c7c0
sys_sys_exit() at syscallenter+0x104
pc = 0xffff00000042e148 lr = 0xffff0000007463dc
sp = 0xffff00005d96c7d0 fp = 0xffff00005d96c7d0
syscallenter() at svc_handler+0x4c
pc = 0xffff0000007463dc lr = 0xffff000000745df8
sp = 0xffff00005d96c7e0 fp = 0xffff00005d96c810
svc_handler() at do_el0_sync+0xf0
pc = 0xffff000000745df8 lr = 0xffff000000745c08
sp = 0xffff00005d96c820 fp = 0xffff00005d96c830
do_el0_sync() at handle_el0_sync+0x90
pc = 0xffff000000745c08 lr = 0xffff00000072c224
sp = 0xffff00005d96c840 fp = 0xffff00005d96c980
handle_el0_sync() at 0x40421150
pc = 0xffff00000072c224 lr = 0x0000000040421150
sp = 0xffff00005d96c990 fp = 0x0000ffffffffd830
KDB: enter: panic
[ thread pid 2429 tid 100951 ]
Stopped at 0x403fa408
db>
Thanks for reading,
bob prohaska
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