Date: Sat, 15 Sep 2018 19:04:55 -0500 From: Larry Rosenman <ler@FreeBSD.org> To: freebsd-current@FreeBSD.org Subject: udp6: Page fault panics Message-ID: <20180916000455.isqioezu6oovhjzg@ler-imac.local>
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I've got 2 of these:
Fatal trap 12: page fault while in kernel mode
cpuid =3D 4; apic id =3D 04
fault virtual address =3D 0x7c
fault code =3D supervisor read data, page not present
instruction pointer =3D 0x20:0xffffffff80631428
stack pointer =3D 0x28:0xfffffe00ca17c440
frame pointer =3D 0x28:0xfffffe00ca17c480
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 1225 (isc-worker0003)
trap number =3D 12
panic: page fault
cpuid =3D 4
time =3D 1537050918
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00ca17c=
0f0
vpanic() at vpanic+0x1a3/frame 0xfffffe00ca17c150
panic() at panic+0x43/frame 0xfffffe00ca17c1b0
trap_fatal() at trap_fatal+0x35f/frame 0xfffffe00ca17c200
trap_pfault() at trap_pfault+0x49/frame 0xfffffe00ca17c260
trap() at trap+0x2ba/frame 0xfffffe00ca17c370
calltrap() at calltrap+0x8/frame 0xfffffe00ca17c370
--- trap 0xc, rip =3D 0xffffffff80631428, rsp =3D 0xfffffe00ca17c440, rbp =
=3D 0xfffffe00ca17c480 ---
selectroute() at selectroute+0x198/frame 0xfffffe00ca17c480
in6_selectroute_fib() at in6_selectroute_fib+0xf/frame 0xfffffe00ca17c4a0
ip6_output() at ip6_output+0xfd7/frame 0xfffffe00ca17c710
udp6_send() at udp6_send+0x720/frame 0xfffffe00ca17c8d0
sosend_dgram() at sosend_dgram+0x346/frame 0xfffffe00ca17c930
kern_sendit() at kern_sendit+0x201/frame 0xfffffe00ca17c9d0
sendit() at sendit+0x19e/frame 0xfffffe00ca17ca20
sys_sendmsg() at sys_sendmsg+0x61/frame 0xfffffe00ca17ca80
amd64_syscall() at amd64_syscall+0x272/frame 0xfffffe00ca17cbb0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00ca17cbb0
--- syscall (28, FreeBSD ELF64, sys_sendmsg), rip =3D 0x800be5a9a, rsp =3D =
0x7fffdf9fa468, rbp =3D 0x7fffdf9fa4a0 --
-
Uptime: 35s
Fatal trap 12: page fault while in kernel mode
cpuid =3D 6; apic id =3D 06
fault virtual address =3D 0x98
fault code =3D supervisor read data, page not present
instruction pointer =3D 0x20:0xffffffff80636b2b
stack pointer =3D 0x28:0xfffffe00c9d864b0
frame pointer =3D 0x28:0xfffffe00c9d86710
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 2274 (isc-worker0005)
trap number =3D 12
panic: page fault
cpuid =3D 6
time =3D 1537053032
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00c9d86=
160
vpanic() at vpanic+0x1a3/frame 0xfffffe00c9d861c0
panic() at panic+0x43/frame 0xfffffe00c9d86220
trap_fatal() at trap_fatal+0x35f/frame 0xfffffe00c9d86270
trap_pfault() at trap_pfault+0x49/frame 0xfffffe00c9d862d0
trap() at trap+0x2ba/frame 0xfffffe00c9d863e0
calltrap() at calltrap+0x8/frame 0xfffffe00c9d863e0
--- trap 0xc, rip =3D 0xffffffff80636b2b, rsp =3D 0xfffffe00c9d864b0, rbp =
=3D 0xfffffe00c9d86710 ---
ip6_output() at ip6_output+0xeeb/frame 0xfffffe00c9d86710
udp6_send() at udp6_send+0x720/frame 0xfffffe00c9d868d0
sosend_dgram() at sosend_dgram+0x346/frame 0xfffffe00c9d86930
kern_sendit() at kern_sendit+0x201/frame 0xfffffe00c9d869d0
sendit() at sendit+0x19e/frame 0xfffffe00c9d86a20
sys_sendmsg() at sys_sendmsg+0x61/frame 0xfffffe00c9d86a80
amd64_syscall() at amd64_syscall+0x272/frame 0xfffffe00c9d86bb0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00c9d86bb0
--- syscall (28, FreeBSD ELF64, sys_sendmsg), rip =3D 0x800be5a9a, rsp =3D =
0x7fffdf5f8468, rbp =3D 0x7fffdf5f84a0 --
-
Uptime: 33m21s
both on r338696.
Ideas?
I *DO* have cores, and can give access.
This is one of my nameservers.
--=20
Larry Rosenman https://people.FreeBSD.org/~ler/
Phone: +1 214-642-9640 E-Mail: ler@FreeBSD.org
US Mail: 5708 Sabbia Drive, Round Rock, TX 78665-2106
--sjyes5rs5asz7mtj
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