panic: vm_page_astate_fcmpset: invalid head requeue request on RPI3
Michael Tuexen
tuexen at freebsd.org
Thu Jan 2 11:03:49 UTC 2020
> On 2. Jan 2020, at 01:12, bob prohaska <fbsd at www.zefox.net> wrote:
>
> 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
This problem is NOT arm specific. I've seen it on an amd64 system running syzkaller:
http://212.201.121.91:10000/crash?id=00704eb865e893ffda473a4859e062eef512cbde
Best regards
Michael
>
> 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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