Date: Thu, 21 Apr 2022 11:12:08 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 263445] Fatal trap 12: page fault while in kernel mode // supervisor read data, page not present // 13.1-RC3 Message-ID: <bug-263445-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D263445 Bug ID: 263445 Summary: Fatal trap 12: page fault while in kernel mode // supervisor read data, page not present // 13.1-RC3 Product: Base System Version: 13.1-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: viaprog@gmail.com # kgdb -c vmcore.0 /boot/kernel/kernel=20=20=20 GNU gdb (GDB) 11.2 [GDB v11.2 for FreeBSD] Copyright (C) 2022 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.htm= l> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-portbld-freebsd13.1". Type "show configuration" for configuration details. For bug reporting instructions, please see: <https://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /boot/kernel/kernel... Reading symbols from /usr/lib/debug//boot/kernel/kernel.debug... Unread portion of the kernel message buffer: Fatal trap 12: page fault while in kernel mode cpuid =3D 4; apic id =3D 24 fault virtual address =3D 0x18 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff806bb6dd stack pointer =3D 0x28:0xfffffe0295a174b0 frame pointer =3D 0x28:0xfffffe0295a17520 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 0 (if_io_tqg_4) trap number =3D 12 panic: page fault cpuid =3D 4 time =3D 1650132610 KDB: stack backtrace: #0 0xffffffff80676825 at kdb_backtrace+0x65 #1 0xffffffff806292df at vpanic+0x17f #2 0xffffffff80629153 at panic+0x43 #3 0xffffffff809758e5 at trap_fatal+0x385 #4 0xffffffff8097593f at trap_pfault+0x4f #5 0xffffffff8094ea68 at calltrap+0x8 #6 0xffffffff807a5ad9 at tcp_output+0x1339 #7 0xffffffff8079d1fd at tcp_do_segment+0x2cfd #8 0xffffffff807997c1 at tcp_input_with_port+0xb61 #9 0xffffffff8079a46b at tcp_input+0xb #10 0xffffffff8078bc2f at ip_input+0x11f #11 0xffffffff8075f589 at netisr_dispatch_src+0xb9 #12 0xffffffff80744278 at ether_demux+0x138 #13 0xffffffff80745605 at ether_nh_input+0x355 #14 0xffffffff8075f589 at netisr_dispatch_src+0xb9 #15 0xffffffff807446a9 at ether_input+0x69 #16 0xffffffff80744261 at ether_demux+0x121 #17 0xffffffff80745605 at ether_nh_input+0x355 Uptime: 18h21m19s Dumping 10524 out of 229348 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91% __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 55 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (offsetof(stru= ct pcpu, --=20 You are receiving this mail because: You are the assignee for the bug.=
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