Created attachment 204860 [details] crash dump summary When starting firefox the system panic some times (but not always, may be 1 time in 5) % uname -a FreeBSD troll.free.org 12.0-RELEASE-p4 FreeBSD 12.0-RELEASE-p4 GENERIC amd64 % pciconf -lv | grep display -B 3 -A 1 vgapci0@pci0:1:0:0: class=0x030000 card=0x85251043 chip=0x128710de rev=0xa1 hdr=0x00 vendor = 'NVIDIA Corporation' device = 'GK208B [GeForce GT 730]' class = display subclass = VGA % pkg info nvidia-driver-340-340.107_3 nvidia-driver-340-340.107_3 Name : nvidia-driver-340 Version : 340.107_3 Installed on : Tue Mar 19 19:32:16 2019 CET Origin : x11/nvidia-driver-340 Architecture : FreeBSD:12:amd64 Prefix : /usr/local Categories : x11 kld Licenses : NVIDIA Maintainer : danfe@FreeBSD.org WWW : https://www.nvidia.com/object/unix.html Comment : NVidia graphics card binary drivers for hardware OpenGL rendering ... (install from official pkg repository) According to crash dump, the problem seems to be in nv000224rm () from /boot/modules/nvidia.ko : (kgdb) #0 doadump (textdump=<value optimized out>) at pcpu.h:234 #1 0xffffffff80b9b14b in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:446 #2 0xffffffff80b9b5c3 in vpanic (fmt=<value optimized out>, ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:872 #3 0xffffffff80b9b3b3 in panic (fmt=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:799 #4 0xffffffff80edd0f0 in vm_fault_hold (map=<value optimized out>, vaddr=<value optimized out>, fault_type=<value optimized out>, fault_flags=<value optimized out>, m_hold=<value optimized out>) at /usr/src/sys/vm/vm_fault.c:586 #5 0xffffffff80eda940 in vm_fault (map=0xfffff80003002000, vaddr=<value optimized out>, fault_type=1 '\001', fault_flags=0) at /usr/src/sys/vm/vm_fault.c:536 #6 0xffffffff81074d73 in trap_pfault (frame=0xfffffe00ee980450, usermode=0) at /usr/src/sys/amd64/amd64/trap.c:830 #7 0xffffffff8107427e in trap (frame=0xfffffe00ee980450) at /usr/src/sys/amd64/amd64/trap.c:441 #8 0xffffffff8104f435 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:232 #9 0xffffffff831041db in _nv000224rm () from /boot/modules/nvidia.ko #10 0xfffff806c5ab2800 in ?? () #11 0x0000000000000000 in ?? () A core dump summary is attached my xorg.conf: Section "ServerLayout" Identifier "XFree86 Configured" Screen 0 "Screen0" 0 0 InputDevice "Mouse0" "CorePointer" InputDevice "Keyboard0" "CoreKeyboard" Option "AllowEmptyInput" "no" EndSection Section "Files" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "keyboard" Option "XkbModel" "pc105" Option "XkbLayout" "fr" Option "XkbVariant" "latin9" EndSection Section "InputDevice" Identifier "Mouse0" Driver "mouse" Option "Protocol" "Auto" Option "Device" "/dev/sysmouse" Option "ZAxisMapping" "4 5" EndSection Section "Monitor" Identifier "Monitor0" Option "DPMS" EndSection Section "Device" Identifier "Card0" Driver "nvidia" EndSection Section "Screen" Identifier "Screen0" Device "Card0" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Depth 24 Modes "2560x1600" EndSubSection EndSection Regards,