Date: Tue, 03 Dec 2019 14:39:35 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 242406] mpd & 3G USB modem: Fatal trap 12: page fault while in kernel mode Message-ID: <bug-242406-227-2ew70tTkTO@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-242406-227@https.bugs.freebsd.org/bugzilla/> References: <bug-242406-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D242406 --- Comment #4 from Andrey Khlebutin <gadskypapa@gmail.com> --- Fatal trap 12: page fault while in kernel mode cpuid =3D 1; apic id =3D 02 fault virtual address =3D 0x28 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff80cf2f16 stack pointer =3D 0x28:0xfffffe00004481f0 frame pointer =3D 0x28:0xfffffe0000448230 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 15 (usbus0) trap number =3D 12 panic: page fault cpuid =3D 1 time =3D 1575375614 KDB: stack backtrace: #0 0xffffffff80c1d297 at kdb_backtrace+0x67 #1 0xffffffff80bd05cd at vpanic+0x19d #2 0xffffffff80bd0423 at panic+0x43 #3 0xffffffff810a7dcc at trap_fatal+0x39c #4 0xffffffff810a7e19 at trap_pfault+0x49 #5 0xffffffff810a740f at trap+0x29f #6 0xffffffff81081a0c at calltrap+0x8 #7 0xffffffff8350c739 at ng_iface_rcvdata+0x129 #8 0xffffffff834eb98d at ng_apply_item+0x2bd #9 0xffffffff834eb4d6 at ng_snd_item+0x186 #10 0xffffffff834eb98d at ng_apply_item+0x2bd #11 0xffffffff834eb4d6 at ng_snd_item+0x186 #12 0xffffffff834eb98d at ng_apply_item+0x2bd #13 0xffffffff834eb4d6 at ng_snd_item+0x186 #14 0xffffffff834eb98d at ng_apply_item+0x2bd #15 0xffffffff834eb4d6 at ng_snd_item+0x186 #16 0xffffffff834eb98d at ng_apply_item+0x2bd #17 0xffffffff834eb4d6 at ng_snd_item+0x186 __curthread () at /usr/src/sys/amd64/include/pcpu.h:234 warning: Source file is more recent than executable. 234 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (OFFSETOF_CURTHREAD)); (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu.h:234 #1 doadump (textdump=3D<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:371 #2 0xffffffff80bd01c8 in kern_reboot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:451 #3 0xffffffff80bd0629 in vpanic (fmt=3D<optimized out>, ap=3D<optimized ou= t>) at /usr/src/sys/kern/kern_shutdown.c:877 #4 0xffffffff80bd0423 in panic (fmt=3D<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:804 #5 0xffffffff810a7dcc in trap_fatal (frame=3D0xfffffe0000448130, eva=3D40) at /usr/src/sys/amd64/amd64/trap.c:943 #6 0xffffffff810a7e19 in trap_pfault (frame=3D0xfffffe0000448130, usermode= =3D0) at /usr/src/sys/amd64/amd64/trap.c:767 #7 0xffffffff810a740f in trap (frame=3D0xfffffe0000448130) at /usr/src/sys/amd64/amd64/trap.c:443 #8 <signal handler called> #9 0xffffffff80cf2f16 in netisr_dispatch_src (proto=3D1, source=3D0,=20 m=3D0xfffff8027496cd00) at /usr/src/sys/net/netisr.c:1100 #10 0xffffffff8350c739 in ng_iface_rcvdata (hook=3D<optimized out>,=20 item=3D<optimized out>) at /usr/src/sys/netgraph/ng_iface.c:734 #11 0xffffffff834eb98d in ng_apply_item (node=3D0xfffff80286dbcd00,=20 item=3D0xfffff802c69d8d00, rw=3D0) at /usr/src/sys/netgraph/ng_base.c:2= 403 #12 0xffffffff834eb4d6 in ng_snd_item (item=3D0xfffff802c69d8d00, flags=3D0) at /usr/src/sys/netgraph/ng_base.c:2320 #13 0xffffffff834eb98d in ng_apply_item (node=3D0xfffff802a7fa2500,=20 item=3D0xfffff802c69d8d00, rw=3D0) at /usr/src/sys/netgraph/ng_base.c:2= 403 #14 0xffffffff834eb4d6 in ng_snd_item (item=3D0xfffff802c69d8d00, flags=3D0) at /usr/src/sys/netgraph/ng_base.c:2320 #15 0xffffffff834eb98d in ng_apply_item (node=3D0xfffff802a7f9bd00,=20 item=3D0xfffff802c69d8d00, rw=3D1) at /usr/src/sys/netgraph/ng_base.c:2= 403 #16 0xffffffff834eb4d6 in ng_snd_item (item=3D0xfffff802c69d8d00, flags=3D0) at /usr/src/sys/netgraph/ng_base.c:2320 #17 0xffffffff834eb98d in ng_apply_item (node=3D0xfffff802a79d3900,=20 item=3D0xfffff802c69d8d00, rw=3D0) at /usr/src/sys/netgraph/ng_base.c:2= 403 #18 0xffffffff834eb4d6 in ng_snd_item (item=3D0xfffff802c69d8d00, flags=3D0) at /usr/src/sys/netgraph/ng_base.c:2320 #19 0xffffffff834eb98d in ng_apply_item (node=3D0xfffff80286d67800,=20 item=3D0xfffff802c69d8d00, rw=3D0) at /usr/src/sys/netgraph/ng_base.c:2= 403 #20 0xffffffff834eb4d6 in ng_snd_item (item=3D0xfffff802c69d8d00, flags=3D0) at /usr/src/sys/netgraph/ng_base.c:2320 #21 0xffffffff83517702 in nga_rcv_async (sc=3D<optimized out>,=20 item=3D<optimized out>) at /usr/src/sys/netgraph/ng_async.c:545 #22 nga_rcvdata (hook=3D<optimized out>, item=3D<optimized out>) at /usr/src/sys/netgraph/ng_async.c:248 #23 0xffffffff834eb98d in ng_apply_item (node=3D0xfffff80286dabe00,=20 item=3D0xfffff802c69d8d00, rw=3D1) at /usr/src/sys/netgraph/ng_base.c:2= 403 #24 0xffffffff834eb4d6 in ng_snd_item (item=3D0xfffff802c69d8d00, flags=3D0) at /usr/src/sys/netgraph/ng_base.c:2320 #25 0xffffffff83515bcb in ngt_rint_bypass (tp=3D<optimized out>,=20 buf=3D0xfffff802bfd93800, len=3D<optimized out>) at /usr/src/sys/netgraph/ng_tty.c:446 #26 0xffffffff82ab9aba in ucom_put_data (sc=3D0xfffffe00ac1d2088,=20 pc=3D<optimized out>, offset=3D0, len=3D<optimized out>) at /usr/src/sys/dev/usb/serial/usb_serial.c:1540 #27 0xffffffff82aafda5 in u3g_read_callback (xfer=3D0xfffffe00abb4e278,=20 error=3DUSB_ERR_NORMAL_COMPLETION) at /usr/src/sys/dev/usb/serial/u3g.c= :1137 #28 0xffffffff80a0b87b in usbd_callback_wrapper (pq=3D<optimized out>) at /usr/src/sys/dev/usb/usb_transfer.c:2437 #29 0xffffffff80a0cf93 in usb_command_wrapper (pq=3D0xfffffe00abb4e060,=20 xfer=3D<optimized out>) at /usr/src/sys/dev/usb/usb_transfer.c:3091 #30 0xffffffff80a0bb4b in usb_callback_proc (_pm=3D<optimized out>) at /usr/src/sys/dev/usb/usb_transfer.c:2298 #31 0xffffffff80a064a5 in usb_process (arg=3D0xfffffe00007e4500) at /usr/src/sys/dev/usb/usb_process.c:178 #32 0xffffffff80b90c23 in fork_exit ( callout=3D0xffffffff80a063b0 <usb_process>, arg=3D0xfffffe00007e4500,=20 frame=3D0xfffffe00004489c0) at /usr/src/sys/kern/kern_fork.c:1065 #33 <signal handler called> (kgdb) --=20 You are receiving this mail because: You are the assignee for the bug.=
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