Date: Wed, 1 Jan 2020 16:12:31 -0800 From: bob prohaska <fbsd@www.zefox.net> To: freebsd-arm@freebsd.org Subject: panic: vm_page_astate_fcmpset: invalid head requeue request on RPI3 Message-ID: <20200102001231.GA84583@www.zefox.net>
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While playing at compiling www/chromium using
FreeBSD 13.0-CURRENT (GENERIC) #2 r356165: Mon Dec 30 09:59:03 PST 2019
the machine crashed, reporting
panic: vm_page_astate_fcmpset: invalid head requeue request for page 0xfffffd0031880490
cpuid = 2
time = 1577921727
KDB: stack backtrace:
db_trace_self() at db_trace_self_wrapper+0x28
pc = 0xffff000000735c5c lr = 0xffff000000106814
sp = 0xffff0000521ec240 fp = 0xffff0000521ec450
db_trace_self_wrapper() at vpanic+0x18c
pc = 0xffff000000106814 lr = 0xffff000000408d90
sp = 0xffff0000521ec460 fp = 0xffff0000521ec510
vpanic() at panic+0x44
pc = 0xffff000000408d90 lr = 0xffff000000408b40
sp = 0xffff0000521ec520 fp = 0xffff0000521ec5a0
panic() at _vm_page_pqstate_commit_dequeue+0x340
pc = 0xffff000000408b40 lr = 0xffff0000006ed840
sp = 0xffff0000521ec5b0 fp = 0xffff0000521ec5f0
_vm_page_pqstate_commit_dequeue() at vm_page_pqstate_commit_dequeue+0xb8
pc = 0xffff0000006ed840 lr = 0xffff0000006e954c
sp = 0xffff0000521ec600 fp = 0xffff0000521ec640
vm_page_pqstate_commit_dequeue() at vm_page_pqstate_commit+0x50
pc = 0xffff0000006e954c lr = 0xffff0000006e93ac
sp = 0xffff0000521ec650 fp = 0xffff0000521ec670
vm_page_pqstate_commit() at vm_pageout_laundry_worker+0x5e4
pc = 0xffff0000006e93ac lr = 0xffff0000006f02c0
sp = 0xffff0000521ec680 fp = 0xffff0000521ec940
vm_pageout_laundry_worker() at fork_exit+0x7c
pc = 0xffff0000006f02c0 lr = 0xffff0000003c7fdc
sp = 0xffff0000521ec950 fp = 0xffff0000521ec980
fork_exit() at fork_trampoline+0x10
pc = 0xffff0000003c7fdc lr = 0xffff00000075230c
sp = 0xffff0000521ec990 fp = 0x0000000000000000
KDB: enter: panic
[ thread pid 21 tid 100071 ]
Stopped at 0
db> bt
Tracing pid 21 tid 100071 td 0xfffffd0001078560
db_trace_self() at db_stack_trace+0xf8
pc = 0xffff000000735c5c lr = 0xffff000000103c58
sp = 0xffff0000521ebe10 fp = 0xffff0000521ebe40
db_stack_trace() at db_command+0x228
pc = 0xffff000000103c58 lr = 0xffff0000001038d0
sp = 0xffff0000521ebe50 fp = 0xffff0000521ebf30
db_command() at db_command_loop+0x58
pc = 0xffff0000001038d0 lr = 0xffff000000103678
sp = 0xffff0000521ebf40 fp = 0xffff0000521ebf60
db_command_loop() at db_trap+0xf4
pc = 0xffff000000103678 lr = 0xffff00000010697c
sp = 0xffff0000521ebf70 fp = 0xffff0000521ec190
db_trap() at kdb_trap+0x1d8
pc = 0xffff00000010697c lr = 0xffff0000004510d0
sp = 0xffff0000521ec1a0 fp = 0xffff0000521ec250
kdb_trap() at do_el1h_sync+0xf4
pc = 0xffff0000004510d0 lr = 0xffff000000752588
sp = 0xffff0000521ec260 fp = 0xffff0000521ec290
do_el1h_sync() at handle_el1h_sync+0x78
pc = 0xffff000000752588 lr = 0xffff000000738078
sp = 0xffff0000521ec2a0 fp = 0xffff0000521ec3b0
handle_el1h_sync() at kdb_enter+0x34
pc = 0xffff000000738078 lr = 0xffff00000045071c
sp = 0xffff0000521ec3c0 fp = 0xffff0000521ec450
kdb_enter() at vpanic+0x1a8
pc = 0xffff00000045071c lr = 0xffff000000408dac
sp = 0xffff0000521ec460 fp = 0xffff0000521ec510
vpanic() at panic+0x44
pc = 0xffff000000408dac lr = 0xffff000000408b40
sp = 0xffff0000521ec520 fp = 0xffff0000521ec5a0
panic() at _vm_page_pqstate_commit_dequeue+0x340
pc = 0xffff000000408b40 lr = 0xffff0000006ed840
sp = 0xffff0000521ec5b0 fp = 0xffff0000521ec5f0
_vm_page_pqstate_commit_dequeue() at vm_page_pqstate_commit_dequeue+0xb8
pc = 0xffff0000006ed840 lr = 0xffff0000006e954c
sp = 0xffff0000521ec600 fp = 0xffff0000521ec640
vm_page_pqstate_commit_dequeue() at vm_page_pqstate_commit+0x50
pc = 0xffff0000006e954c lr = 0xffff0000006e93ac
sp = 0xffff0000521ec650 fp = 0xffff0000521ec670
vm_page_pqstate_commit() at vm_pageout_laundry_worker+0x5e4
pc = 0xffff0000006e93ac lr = 0xffff0000006f02c0
sp = 0xffff0000521ec680 fp = 0xffff0000521ec940
vm_pageout_laundry_worker() at fork_exit+0x7c
pc = 0xffff0000006f02c0 lr = 0xffff0000003c7fdc
sp = 0xffff0000521ec950 fp = 0xffff0000521ec980
fork_exit() at fork_trampoline+0x10
pc = 0xffff0000003c7fdc lr = 0xffff00000075230c
sp = 0xffff0000521ec990 fp = 0x0000000000000000
db>
Thanks for reading, if there's anything to try please let me know.
bob prohaska
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