Hi, it crashed again. Here is the dmesg, this time the kernel had debugging symbols enabled.
[...] ic0 at ichiic0 spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-12800 SO-DIMM isa0 at pcib0 isadma0 at isa0 vga0 at isa0 port 0x3b0/48 iomem 0xa0000/131072 wsdisplay at vga0 not configured pcppi0 at isa0 port 0x61 spkr0 at pcppi0 wbsio0 at isa0 port 0x2e/2: NCT5104D rev 0x53 wbsio0 port 0xa10/2 not configured vmm0 at mainbus0: VMX/EPT run0 at uhub0 port 4 configuration 1 interface 0 "Ralink 802.11 n WLAN" rev 2.0 0/1.01 addr 2 run0: MAC/BBP RT5592 (rev 0x0222), RF RT5592 (MIMO 2T2R), address d8:61:62:37:5 6:c8 uhub2 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 2.00/0.04 addr 2 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets root on sd0a (7ec83d15890e2a71.a) swap on sd0b dump on sd0b inteldrm0: 1024x768, 32bpp wsdisplay0 at inteldrm0 mux 1 wsdisplay0: screen 0-5 added (std, vt100 emulation) kernel: protection fault trap, code=0 Stopped at icmp_mtudisc_timeout+0x77 [/usr/src/sys/netinet/ip_icmp.c:1072] : movq 0(%rax),%rcx ddb{0}> ddb{0}> ddb{0}> bt icmp_mtudisc_timeout(fffffd807a4e0620,0) at icmp_mtudisc_timeout+0x77 [/usr/src /sys/netinet/ip_icmp.c:1072] rt_timer_timer(ffffffff82324248) at rt_timer_timer+0x1cc [/usr/src/sys/net/rout e.c:1551] softclock_thread(ffff8000fffff260) at softclock_thread+0x13b [/usr/src/sys/kern /kern_timeout.c:681] end trace frame: 0x0, count: -3 ddb{0}> call db_show_rtentry(fffffd807a4e0620, 0, 0) Symbol not found I'd love to know whats going wrong here. Best regards, Stephan