Date: Wed, 02 Jun 2021 16:15:19 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 256278] [panic] main-n247019-aa462cab60c page fault while in kernel mode Message-ID: <bug-256278-227-EEJTA2HT0f@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-256278-227@https.bugs.freebsd.org/bugzilla/> References: <bug-256278-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256278 Mark Johnston <markj@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |markj@FreeBSD.org --- Comment #1 from Mark Johnston <markj@FreeBSD.org> --- Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address =3D 0xb0 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff830e36f9 stack pointer =3D 0x28:0xfffffe00cd8687e0 frame pointer =3D 0x28:0xfffffe00cd8687e0 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 1563 (mpv/vo) trap number =3D 12 Dumping 481 out of 8060 MB:..4%..14%..24%..34%..44%..54%..64%..74%..84%..94% __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 55 /usr/src/sys/amd64/include/pcpu_aux.h: No such file or directory. (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=3D0) at /usr/src/sys/kern/kern_shutdown.c:399 #2 0xffffffff830f07e1 in vt_kms_postswitch () from /boot/modules/drm.ko #3 0xffffffff80a6f362 in vt_window_switch (vw=3D0xfffff80004fd5f40,=20 vw@entry=3D0xffffffff81ae8eb8 <vt_conswindow>) at /usr/src/sys/dev/vt/vt_core.c:615 #4 0xffffffff80a6c77f in vtterm_cngrab (tm=3D<unavailable>,=20 tm@entry=3D<error reading variable: value is not available>) at /usr/src/sys/dev/vt/vt_core.c:1827 #5 0xffffffff80bacef6 in cngrab () at /usr/src/sys/kern/kern_cons.c:381 #6 0xffffffff80c176ec in vpanic (fmt=3D0xffffffff811dcb79 "%s",=20 ap=3Dap@entry=3D0xfffffe00cd868520) at /usr/src/sys/kern/kern_shutdown.= c:891 #7 0xffffffff80c17543 in panic (fmt=3D<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:843 #8 0xffffffff810d2de7 in trap_fatal (frame=3D0xfffffe00cd868720, eva=3D176) at /usr/src/sys/amd64/amd64/trap.c:915 #9 0xffffffff810d2e87 in trap_pfault (frame=3Dframe@entry=3D0xfffffe00cd86= 8720,=20 usermode=3Dfalse, signo=3D<optimized out>, signo@entry=3D0x0,=20 ucode=3D<optimized out>, ucode@entry=3D0x0) at /usr/src/sys/amd64/amd64/trap.c:732 #10 0xffffffff810d247b in trap (frame=3D0xfffffe00cd868720) at /usr/src/sys/amd64/amd64/trap.c:398 #11 <signal handler called> #12 0xffffffff830e36f9 in drm_prime_handle_to_fd_ioctl () from /boot/modules/drm.ko #13 0xffffffff830d6d72 in drm_ioctl_kernel () from /boot/modules/drm.ko #14 0xffffffff830d70d8 in drm_ioctl () from /boot/modules/drm.ko #15 0xffffffff80e76c13 in linux_file_ioctl_sub (fp=3D<optimized out>,=20 filp=3D0xffffffff830e36d0 <drm_prime_handle_to_fd_ioctl>,=20 fop=3D<optimized out>, cmd=3D<optimized out>, data=3D<optimized out>,=20 td=3D<optimized out>) at /usr/src/sys/compat/linuxkpi/common/src/linux_compat.c:977 #16 linux_file_ioctl (fp=3D<optimized out>, cmd=3D<optimized out>,=20 data=3D<optimized out>, cred=3D<optimized out>, td=3D0xfffff800368d4e00) at /usr/src/sys/compat/linuxkpi/common/src/linux_compat.c:1600 #17 0xffffffff80c8d2b9 in fo_ioctl (fp=3D<optimized out>, com=3D3222037549,= =20 data=3D0x1, active_cred=3D0x0, td=3D0xfffffe00cd667e40) at /usr/src/sys/sys/file.h:356 #18 kern_ioctl (td=3D<optimized out>, td@entry=3D0xfffffe00cd667e40,=20 fd=3D<optimized out>, com=3D<optimized out>, com@entry=3D3222037549,=20 data=3D0x1 <error: Cannot access memory at address 0x1>,=20 data@entry=3D0xfffffe00cd868a10 "\t") at /usr/src/sys/kern/sys_generic.= c:803 #19 0xffffffff80c8cf7a in sys_ioctl (td=3D0xfffffe00cd667e40,=20 uap=3D0xfffffe00cd668228) at /usr/src/sys/kern/sys_generic.c:711 #20 0xffffffff810d37ae in syscallenter (td=3D<optimized out>) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:189 #21 amd64_syscall (td=3D0xfffffe00cd667e40, traced=3D0) at /usr/src/sys/amd64/amd64/trap.c:1156 #22 <signal handler called> #23 0x000000080297c96a in ?? () Backtrace stopped: Cannot access memory at address 0x7fffdebf3818 (kgdb) --=20 You are receiving this mail because: You are the assignee for the bug.=
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