KDB: debugger backends: ddb KDB: current backend: ddb Copyright (c) 1992-2017 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 12.0-CURRENT #0 r319481: Fri Jun 2 01:31:26 UTC 2017 root@releng3.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 FreeBSD clang version 4.0.0 (tags/RELEASE_400/final 297347) (based on LLVM 4.0.0) WARNING: WITNESS option enabled, expect reduced performance. VT(vga): resolution 640x480 CPU: Intel(R) Atom(TM) CPU D525 @ 1.80GHz (1800.04-MHz K8-class CPU) Origin="GenuineIntel" Id=0x106ca Family=0x6 Model=0x1c Stepping=10 Features=0xbfebfbff Features2=0x40e31d AMD Features=0x20100800 AMD Features2=0x1 TSC: P-state invariant, performance statistics real memory = 4294967296 (4096 MB) avail memory = 4063928320 (3875 MB) Event timer "LAPIC" quality 100 ACPI APIC Table: <030314 APIC1001> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 hardware threads arc4random: no preloaded entropy cache ioapic0: Changing APIC ID to 4 ioapic0 irqs 0-23 on motherboard SMP: AP CPU #1 Launched! SMP: AP CPU #3 Launched! SMP: AP CPU #2 Launched! Timecounter "TSC" frequency 1800040752 Hz quality 1000 random: entropy device external interface netmap: loaded module [ath_hal] loaded module_register_init: MOD_LOAD (vesa, 0xffffffff80f5af80, 0) error 19 kbd1 at kbdmux0 nexus0 vtvga0: on motherboard cryptosoft0: on motherboard acpi0: <030314 RSDT1001> on motherboard acpi0: Power Button (fixed) cpu0: on acpi0 cpu1: on acpi0 cpu2: on acpi0 cpu3: on acpi0 attimer0: port 0x40-0x43 irq 0 on acpi0 Timecounter "i8254" frequency 1193182 Hz quality 0 Event timer "i8254" frequency 1193182 Hz quality 100 atrtc0: port 0x70-0x71 irq 8 on acpi0 Event timer "RTC" frequency 32768 Hz quality 0 hpet0: iomem 0xfed00000-0xfed003ff on acpi0 Timecounter "HPET" frequency 14318180 Hz quality 950 Event timer "HPET" frequency 14318180 Hz quality 450 Event timer "HPET1" frequency 14318180 Hz quality 440 Event timer "HPET2" frequency 14318180 Hz quality 440 Timecounter "ACPI-fast" frequency 3579545 Hz quality 900 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0 pcib0: port 0xcf8-0xcff on acpi0 pci0: on pcib0 vgapci0: port 0x7c00-0x7c07 mem 0xfe500000-0xfe57ffff,0xd0000000-0xdfffffff,0xfe400000-0xfe4fffff irq 16 at device 2.0 on pci0 agp0: on vgapci0 agp0: aperture size is 256M, detected 8188k stolen memory vgapci0: Boot video device vgapci1: mem 0xfe380000-0xfe3fffff at device 2.1 on pci0 pcib1: irq 22 at device 28.0 on pci0 pci1: on pcib1 em0: port 0x9c00-0x9c1f mem 0xfe6e0000-0xfe6fffff,0xfe6dc000-0xfe6dffff irq 16 at device 0.0 on pci1 em0: attach_pre capping queues at 2 Current cap: 0x460b em0: using 1024 tx descriptors and 1024 rx descriptors em0: msix_init qsets capped at 2 em0: pxm cpus: 2 queue msgs: 4 admincnt: 1 em0: queue equality override not set, capping rx_queues at 2 and tx_queues at 2 em0: using 2 rx queues 2 tx queues em0: Using MSIX interrupts with 3 vectors em0: allocated for 2 tx_queues em0: allocated for 2 rx_queues em0: Ethernet address: 00:90:0b:33:74:c0 em0: netmap queues/slots: TX 2/1024, RX 2/1024 pcib2: irq 23 at device 28.1 on pci0 pci2: on pcib2 em1: port 0xac00-0xac1f mem 0xfe7e0000-0xfe7fffff,0xfe7dc000-0xfe7dffff irq 17 at device 0.0 on pci2 em1: attach_pre capping queues at 1 em1: using 1024 tx descriptors and 1024 rx descriptors em1: msix_init qsets capped at 1 em1: pxm cpus: 2 queue msgs: 0 admincnt: 1 em1: queue equality override not set, capping rx_queues at 0 and tx_queues at 0 em1: using 0 rx queues 0 tx queues em1: Using MSIX interrupts with 1 vectors panic: Assertion adapter->tx_num_queues > 0 failed at /usr/src/sys/dev/e1000/if_em.c:2664 cpuid = 2 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffffff826702f0 vpanic() at vpanic+0x19c/frame 0xffffffff82670370 kassert_panic() at kassert_panic+0x126/frame 0xffffffff826703e0 em_if_tx_queues_alloc() at em_if_tx_queues_alloc+0x1d2/frame 0xffffffff82670430 iflib_device_register() at iflib_device_register+0x1e92/frame 0xffffffff82670760 iflib_device_attach() at iflib_device_attach+0xb7/frame 0xffffffff82670790 device_attach() at device_attach+0x3de/frame 0xffffffff826707d0 bus_generic_attach() at bus_generic_attach+0x5a/frame 0xffffffff826707f0 pci_attach() at pci_attach+0xd5/frame 0xffffffff82670830 device_attach() at device_attach+0x3de/frame 0xffffffff82670870 bus_generic_attach() at bus_generic_attach+0x5a/frame 0xffffffff82670890 acpi_pcib_pci_attach() at acpi_pcib_pci_attach+0xa1/frame 0xffffffff826708d0 device_attach() at device_attach+0x3de/frame 0xffffffff82670910 bus_generic_attach() at bus_generic_attach+0x5a/frame 0xffffffff82670930 pci_attach() at pci_attach+0xd5/frame 0xffffffff82670970 device_attach() at device_attach+0x3de/frame 0xffffffff826709b0 bus_generic_attach() at bus_generic_attach+0x5a/frame 0xffffffff826709d0 acpi_pcib_acpi_attach() at acpi_pcib_acpi_attach+0x3b9/frame 0xffffffff82670a40 device_attach() at device_attach+0x3de/frame 0xffffffff82670a80 bus_generic_attach() at bus_generic_attach+0x5a/frame 0xffffffff82670aa0 acpi_attach() at acpi_attach+0xd67/frame 0xffffffff82670b50 device_attach() at device_attach+0x3de/frame 0xffffffff82670b90 bus_generic_attach() at bus_generic_attach+0x5a/frame 0xffffffff82670bb0 nexus_acpi_attach() at nexus_acpi_attach+0x73/frame 0xffffffff82670be0 device_attach() at device_attach+0x3de/frame 0xffffffff82670c20 bus_generic_new_pass() at bus_generic_new_pass+0x116/frame 0xffffffff82670c50 bus_set_pass() at bus_set_pass+0x8c/frame 0xffffffff82670c80 configure() at configure+0x9/frame 0xffffffff82670c90 mi_startup() at mi_startup+0x9c/frame 0xffffffff82670cb0 btext() at btext+0x2c KDB: enter: panic [ thread pid 0 tid 100000 ] Stopped at kdb_enter+0x3b: movq $0,kdb_why db>