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Date: 2020-12-23 17:24:38
From: Klaus
Description: HiFive Unleashed FreeBSD u-boot_osbi_mhorne uSD_debug1
U-Boot SPL 2020.10-dirty (Dec 23 2020 - 11:05:00 -0400)
Trying to boot from MMC1
OpenSBI v0.8
____ _____ ____ _____
/ __ \ / ____| _ \_ _|
| | | |_ __ ___ _ __ | (___ | |_) || |
| | | | '_ \ / _ \ '_ \ \___ \| _ < | |
| |__| | |_) | __/ | | |____) | |_) || |_
\____/| .__/ \___|_| |_|_____/|____/_____|
| |
|_|
Platform Name : SiFive Freedom U540
Platform Features : timer,mfdeleg
Platform HART Count : 4
Boot HART ID : 2
Boot HART ISA : rv64imafdcsu
BOOT HART Features : pmp,scounteren,mcounteren
BOOT HART PMP Count : 16
Firmware Base : 0x80000000
Firmware Size : 100 KB
Runtime SBI Version : 0.2
MIDELEG : 0x0000000000000222
MEDELEG : 0x000000000000b109
PMP0 : 0x0000000080000000-0x000000008001ffff (A)
PMP1 : 0x0000000000000000-0x0000007fffffffff (A,R,W,X)
U-Boot 2020.10 (Dec 22 2020 - 07:35:24 +0000)
CPU: rv64imafdc
Model: SiFive HiFive Unleashed A00
DRAM: 8 GiB
MMC: spi@10050000:mmc@0: 0
Loading Environment from SPIFlash... SF: Detected is25wp256 with page size 256 Bytes, erase size 4 KiB, total 32 MiB
OK
In: serial@10010000
Out: serial@10010000
Err: serial@10010000
Net: eth0: ethernet@10090000
Hit any key to stop autoboot: 0
=> load mmc 0:3 ${fdt_addr_r} hifive-unleashed-a00-microsemi.dtb
8613 bytes read in 19 ms (442.4 KiB/s)
=> fdt addr 0x88000000
=> fdt list
/ {
#address-cells = <0x00000002>;
#size-cells = <0x00000002>;
compatible = "sifive,hifive-unleashed-a00", "sifive,fu540-c000";
model = "SiFive HiFive Unleashed A00";
aliases {
};
chosen {
};
cpus {
};
soc {
};
memory@80000000 {
};
hfclk {
};
rtcclk {
};
gpio-restart {
};
opp-table {
};
};
=> fdt print
/ {
#address-cells = <0x00000002>;
#size-cells = <0x00000002>;
compatible = "sifive,hifive-unleashed-a00", "sifive,fu540-c000";
model = "SiFive HiFive Unleashed A00";
aliases {
serial0 = "/soc/serial@10010000";
serial1 = "/soc/serial@10011000";
ethernet0 = "/soc/ethernet@10090000";
};
chosen {
stdout-path = "serial0";
};
cpus {
#address-cells = <0x00000001>;
#size-cells = <0x00000000>;
timebase-frequency = <0x000f4240>;
cpu@0 {
compatible = "sifive,e51", "sifive,rocket0", "riscv";
device_type = "cpu";
i-cache-block-size = <0x00000040>;
i-cache-sets = <0x00000080>;
i-cache-size = <0x00004000>;
reg = <0x00000000>;
riscv,isa = "rv64imac";
clocks = <0x00000001 0x00000000>;
status = "disabled";
operating-points-v2 = <0x00000002>;
interrupt-controller {
#interrupt-cells = <0x00000001>;
compatible = "riscv,cpu-intc";
interrupt-controller;
phandle = <0x00000004>;
};
};
cpu@1 {
compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
d-cache-block-size = <0x00000040>;
d-cache-sets = <0x00000040>;
d-cache-size = <0x00008000>;
d-tlb-sets = <0x00000001>;
d-tlb-size = <0x00000020>;
device_type = "cpu";
i-cache-block-size = <0x00000040>;
i-cache-sets = <0x00000040>;
i-cache-size = <0x00008000>;
i-tlb-sets = <0x00000001>;
i-tlb-size = <0x00000020>;
mmu-type = "riscv,sv39";
reg = <0x00000001>;
riscv,isa = "rv64imafdc";
tlb-split;
clocks = <0x00000001 0x00000000>;
next-level-cache = <0x00000003>;
operating-points-v2 = <0x00000002>;
interrupt-controller {
#interrupt-cells = <0x00000001>;
compatible = "riscv,cpu-intc";
interrupt-controller;
phandle = <0x00000005>;
};
};
cpu@2 {
compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
d-cache-block-size = <0x00000040>;
d-cache-sets = <0x00000040>;
d-cache-size = <0x00008000>;
d-tlb-sets = <0x00000001>;
d-tlb-size = <0x00000020>;
device_type = "cpu";
i-cache-block-size = <0x00000040>;
i-cache-sets = <0x00000040>;
i-cache-size = <0x00008000>;
i-tlb-sets = <0x00000001>;
i-tlb-size = <0x00000020>;
mmu-type = "riscv,sv39";
reg = <0x00000002>;
riscv,isa = "rv64imafdc";
tlb-split;
clocks = <0x00000001 0x00000000>;
next-level-cache = <0x00000003>;
operating-points-v2 = <0x00000002>;
interrupt-controller {
#interrupt-cells = <0x00000001>;
compatible = "riscv,cpu-intc";
interrupt-controller;
phandle = <0x00000006>;
};
};
cpu@3 {
compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
d-cache-block-size = <0x00000040>;
d-cache-sets = <0x00000040>;
d-cache-size = <0x00008000>;
d-tlb-sets = <0x00000001>;
d-tlb-size = <0x00000020>;
device_type = "cpu";
i-cache-block-size = <0x00000040>;
i-cache-sets = <0x00000040>;
i-cache-size = <0x00008000>;
i-tlb-sets = <0x00000001>;
i-tlb-size = <0x00000020>;
mmu-type = "riscv,sv39";
reg = <0x00000003>;
riscv,isa = "rv64imafdc";
tlb-split;
clocks = <0x00000001 0x00000000>;
next-level-cache = <0x00000003>;
operating-points-v2 = <0x00000002>;
interrupt-controller {
#interrupt-cells = <0x00000001>;
compatible = "riscv,cpu-intc";
interrupt-controller;
phandle = <0x00000007>;
};
};
cpu@4 {
compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
d-cache-block-size = <0x00000040>;
d-cache-sets = <0x00000040>;
d-cache-size = <0x00008000>;
d-tlb-sets = <0x00000001>;
d-tlb-size = <0x00000020>;
device_type = "cpu";
i-cache-block-size = <0x00000040>;
i-cache-sets = <0x00000040>;
i-cache-size = <0x00008000>;
i-tlb-sets = <0x00000001>;
i-tlb-size = <0x00000020>;
mmu-type = "riscv,sv39";
reg = <0x00000004>;
riscv,isa = "rv64imafdc";
tlb-split;
clocks = <0x00000001 0x00000000>;
next-level-cache = <0x00000003>;
operating-points-v2 = <0x00000002>;
interrupt-controller {
#interrupt-cells = <0x00000001>;
compatible = "riscv,cpu-intc";
interrupt-controller;
phandle = <0x00000008>;
};
};
};
soc {
#address-cells = <0x00000002>;
#size-cells = <0x00000002>;
compatible = "sifive,fu540-c000", "sifive,fu540", "simple-bus";
ranges;
interrupt-controller@c000000 {
#interrupt-cells = <0x00000001>;
compatible = "sifive,plic-1.0.0";
reg = <0x00000000 0x0c000000 0x00000000 0x04000000>;
riscv,ndev = <0x00000035>;
interrupt-controller;
interrupts-extended = <0x00000004 0xffffffff 0x00000005 0xffffffff 0x00000005 0x00000009 0x00000006 0xffffffff 0x00000006 0x00000009 0x00000007 0xffffffff 0x00000007 0x00000009 0x00000008 0xffffffff 0x00000008 0x00000009>;
phandle = <0x0000000b>;
};
clock-controller@10000000 {
compatible = "sifive,fu540-c000-prci";
reg = <0x00000000 0x10000000 0x00000000 0x00001000>;
clocks = <0x00000009 0x0000000a>;
#clock-cells = <0x00000001>;
phandle = <0x00000001>;
};
serial@10010000 {
compatible = "sifive,fu540-c000-uart", "sifive,uart0";
reg = <0x00000000 0x10010000 0x00000000 0x00001000>;
interrupt-parent = <0x0000000b>;
interrupts = <0x00000004>;
clocks = <0x00000001 0x00000003>;
status = "okay";
};
dma@3000000 {
compatible = "sifive,fu540-c000-pdma";
reg = <0x00000000 0x03000000 0x00000000 0x00008000>;
interrupt-parent = <0x0000000b>;
interrupts = <0x00000017 0x00000018 0x00000019 0x0000001a 0x0000001b 0x0000001c 0x0000001d 0x0000001e>;
#dma-cells = <0x00000001>;
};
serial@10011000 {
compatible = "sifive,fu540-c000-uart", "sifive,uart0";
reg = <0x00000000 0x10011000 0x00000000 0x00001000>;
interrupt-parent = <0x0000000b>;
interrupts = <0x00000005>;
clocks = <0x00000001 0x00000003>;
status = "okay";
};
i2c@10030000 {
compatible = "sifive,fu540-c000-i2c", "sifive,i2c0";
reg = <0x00000000 0x10030000 0x00000000 0x00001000>;
interrupt-parent = <0x0000000b>;
interrupts = <0x00000032>;
clocks = <0x00000001 0x00000003>;
reg-shift = <0x00000002>;
reg-io-width = <0x00000001>;
#address-cells = <0x00000001>;
#size-cells = <0x00000000>;
status = "okay";
};
spi@10040000 {
compatible = "sifive,fu540-c000-spi", "sifive,spi0";
reg = <0x00000000 0x10040000 0x00000000 0x00001000 0x00000000 0x20000000 0x00000000 0x10000000>;
interrupt-parent = <0x0000000b>;
interrupts = <0x00000033>;
clocks = <0x00000001 0x00000003>;
#address-cells = <0x00000001>;
#size-cells = <0x00000000>;
status = "okay";
flash@0 {
compatible = "issi,is25wp256", "jedec,spi-nor";
reg = <0x00000000>;
spi-max-frequency = <0x02faf080>;
m25p,fast-read;
spi-tx-bus-width = <0x00000004>;
spi-rx-bus-width = <0x00000004>;
};
};
spi@10041000 {
compatible = "sifive,fu540-c000-spi", "sifive,spi0";
reg = <0x00000000 0x10041000 0x00000000 0x00001000 0x00000000 0x30000000 0x00000000 0x10000000>;
interrupt-parent = <0x0000000b>;
interrupts = <0x00000034>;
clocks = <0x00000001 0x00000003>;
#address-cells = <0x00000001>;
#size-cells = <0x00000000>;
status = "disabled";
};
spi@10050000 {
compatible = "sifive,fu540-c000-spi", "sifive,spi0";
reg = <0x00000000 0x10050000 0x00000000 0x00001000>;
interrupt-parent = <0x0000000b>;
interrupts = <0x00000006>;
clocks = <0x00000001 0x00000003>;
#address-cells = <0x00000001>;
#size-cells = <0x00000000>;
status = "okay";
mmc@0 {
compatible = "mmc-spi-slot";
reg = <0x00000000>;
spi-max-frequency = <0x01312d00>;
voltage-ranges = <0x00000ce4 0x00000ce4>;
disable-wp;
};
};
ethernet@10090000 {
compatible = "sifive,fu540-c000-gem";
interrupt-parent = <0x0000000b>;
interrupts = <0x00000035>;
reg = <0x00000000 0x10090000 0x00000000 0x00002000 0x00000000 0x100a0000 0x00000000 0x00001000>;
local-mac-address = [00 00 00 00 00 00];
clock-names = "pclk", "hclk";
clocks = <0x00000001 0x00000002 0x00000001 0x00000002>;
#address-cells = <0x00000001>;
#size-cells = <0x00000000>;
status = "okay";
phy-mode = "gmii";
phy-handle = <0x0000000c>;
ethernet-phy@0 {
reg = <0x00000000>;
phandle = <0x0000000c>;
};
};
pwm@10020000 {
compatible = "sifive,fu540-c000-pwm", "sifive,pwm0";
reg = <0x00000000 0x10020000 0x00000000 0x00001000>;
interrupt-parent = <0x0000000b>;
interrupts = <0x0000002a 0x0000002b 0x0000002c 0x0000002d>;
clocks = <0x00000001 0x00000003>;
#pwm-cells = <0x00000003>;
status = "okay";
phandle = <0x0000000d>;
};
pwm@10021000 {
compatible = "sifive,fu540-c000-pwm", "sifive,pwm0";
reg = <0x00000000 0x10021000 0x00000000 0x00001000>;
interrupt-parent = <0x0000000b>;
interrupts = <0x0000002e 0x0000002f 0x00000030 0x00000031>;
clocks = <0x00000001 0x00000003>;
#pwm-cells = <0x00000003>;
status = "okay";
};
cache-controller@2010000 {
compatible = "sifive,fu540-c000-ccache", "cache";
cache-block-size = <0x00000040>;
cache-level = <0x00000002>;
cache-sets = <0x00000400>;
cache-size = <0x00200000>;
cache-unified;
interrupt-parent = <0x0000000b>;
interrupts = <0x00000001 0x00000002 0x00000003>;
reg = <0x00000000 0x02010000 0x00000000 0x00001000>;
phandle = <0x00000003>;
};
gpio@10060000 {
compatible = "sifive,fu540-c000-gpio", "sifive,gpio0";
interrupt-parent = <0x0000000b>;
interrupts = <0x00000007 0x00000008 0x00000009 0x0000000a 0x0000000b 0x0000000c 0x0000000d 0x0000000e 0x0000000f 0x00000010 0x00000011 0x00000012 0x00000013 0x00000014 0x00000015 0x00000016>;
reg = <0x00000000 0x10060000 0x00000000 0x00001000>;
gpio-controller;
#gpio-cells = <0x00000002>;
interrupt-controller;
#interrupt-cells = <0x00000002>;
clocks = <0x00000001 0x00000003>;
status = "okay";
phandle = <0x0000000f>;
};
pwmleds {
compatible = "pwm-leds";
d1 {
label = "green:d1";
pwms = <0x0000000d 0x00000000 0x00773594 0x00000001>;
active-low = <0x00000001>;
max-brightness = <0x000000ff>;
linux,default-trigger = "none";
};
d2 {
label = "green:d2";
pwms = <0x0000000d 0x00000001 0x00773594 0x00000001>;
active-low = <0x00000001>;
max-brightness = <0x000000ff>;
linux,default-trigger = "none";
};
d3 {
label = "green:d3";
pwms = <0x0000000d 0x00000002 0x00773594 0x00000001>;
active-low = <0x00000001>;
max-brightness = <0x000000ff>;
linux,default-trigger = "none";
};
d4 {
label = "green:d4";
pwms = <0x0000000d 0x00000003 0x00773594 0x00000001>;
active-low = <0x00000001>;
max-brightness = <0x000000ff>;
linux,default-trigger = "none";
};
};
pcie@2030000000 {
#address-cells = <0x00000003>;
#interrupt-cells = <0x00000001>;
#size-cells = <0x00000002>;
compatible = "microsemi,ms-pf-axi-pcie-host";
device_type = "pci";
bus-range = <0x00000001 0x0000007f>;
interrupt-map = <0x00000000 0x00000000 0x00000000 0x00000001 0x0000000e 0x00000000 0x00000000 0x00000000 0x00000000 0x00000002 0x0000000e 0x00000001 0x00000000 0x00000000 0x00000000 0x00000003 0x0000000e 0x00000002 0x00000000 0x00000000 0x00000000 0x00000004 0x0000000e 0x00000003>;
interrupt-map-mask = <0x00000000 0x00000000 0x00000000 0x00000007>;
interrupt-parent = <0x0000000b>;
interrupts = <0x00000020>;
ranges = <0x03000000 0x00000000 0x40000000 0x00000000 0x40000000 0x00000000 0x20000000>;
reg = <0x00000020 0x30000000 0x00000000 0x04000000 0x00000020 0x00000000 0x00000000 0x00100000>;
reg-names = "control", "apb";
interrupt-controller {
#address-cells = <0x00000000>;
#interrupt-cells = <0x00000001>;
interrupt-controller;
phandle = <0x0000000e>;
};
};
};
memory@80000000 {
device_type = "memory";
reg = <0x00000000 0x80000000 0x00000002 0x00000000>;
};
hfclk {
#clock-cells = <0x00000000>;
compatible = "fixed-clock";
clock-frequency = <0x01fca055>;
clock-output-names = "hfclk";
phandle = <0x00000009>;
};
rtcclk {
#clock-cells = <0x00000000>;
compatible = "fixed-clock";
clock-frequency = <0x000f4240>;
clock-output-names = "rtcclk";
phandle = <0x0000000a>;
};
gpio-restart {
compatible = "gpio-restart";
gpios = <0x0000000f 0x0000000a 0x00000001>;
};
opp-table {
compatible = "operating-points-v2";
opp-shared;
phandle = <0x00000002>;
opp-350000000 {
opp-hz = <0x00000000 0x14dc9380>;
};
opp-700000000 {
opp-hz = <0x00000000 0x29b92700>;
};
opp-999999999 {
opp-hz = <0x00000000 0x3b9ac9ff>;
};
opp-1400000000 {
opp-hz = <0x00000000 0x53724e00>;
};
};
};
=> bdinfo
boot_params = 0x0000000000000000
DRAM bank = 0x0000000000000000
-> start = 0x0000000080000000
-> size = 0x0000000200000000
memstart = 0x0000000080000000
memsize = 0x0000000200000000
flashstart = 0x0000000000000000
flashsize = 0x0000000000000000
flashoffset = 0x0000000000000000
baudrate = 115200 bps
relocaddr = 0x00000000fff83000
reloc off = 0x000000007fd83000
Build = 64-bit
current eth = ethernet@10090000
ethaddr = [_MAC_XXXXXXXXXX]
IP addr = <NULL>
fdt_blob = 0x00000000ff75ccc0
new_fdt = 0x00000000ff75ccc0
fdt_size = 0x0000000000006160
lmb_dump_all:
memory.cnt = 0x1
memory.size = 0x0
memory.reg[0x0].base = 0x80000000
.size = 0x200000000
reserved.cnt = 0x1
reserved.size = 0x0
reserved.reg[0x0].base = 0x80000000
.size = 0x20000
=> load mmc 0:3 ${kernel_addr_r} loader.efi
1356540 bytes read in 863 ms (1.5 MiB/s)
=> bootefi ${kernel_addr_r} loader.efi
Scanning disk [_EMAIL_]...
** Unrecognized filesystem type **
** Unrecognized filesystem type **
** Unrecognized filesystem type **
Found 5 disks
No EFI system partition
Booting /loader.efi
Consoles: EFI console
Reading loader env vars from /efi/freebsd/loader.env
Setting currdev to disk0p3:
FreeBSD/riscv EFI loader, Revision 1.1
(Thu Dec 17 04:39:10 UTC 2020 [_EMAIL_XXXXXXXXXXXXXXXXXXX])
Command line arguments: l
Image base: 0xfe5ef000
EFI version: 2.80
EFI Firmware: Das U-Boot (rev 8224.4096)
Console: comconsole (0)
Load Path: /loader.efi
Load Device: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/SD(0)/SD(0)/HD(3,GPT,603c063d-4b9f-4590-a5aa-b1e8515ddf2e,0x2822,0xf2eb5)
Trying ESP: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/SD(0)/SD(0)/HD(3,GPT,603c063d-4b9f-4590-a5aa-b1e8515ddf2e,0x2822,0xf2eb5)
Setting currdev to disk0p3:
Trying: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/SD(0)/SD(0)/HD(1,GPT,603c063d-4b9f-4590-a5aa-b1e8515ddf2e,0x22,0x800)
Setting currdev to disk0p1:
Trying: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/SD(0)/SD(0)/HD(2,GPT,603c063d-4b9f-4590-a5aa-b1e8515ddf2e,0x822,0x2000)
Setting currdev to disk0p2:
Trying: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/SD(0)/SD(0)/HD(4,GPT,603c063d-4b9f-4590-a5aa-b1e8515ddf2e,0xf56d8,0x75ff907)
Setting currdev to disk0p4:
Loading /boot/defaults/loader.conf
Loading /boot/defaults/loader.conf
Loading /boot/device.hints
Loading /boot/loader.conf
Loading /boot/loader.conf.local
-
Loading kernel...
/boot/kernel/kernel text=0x539d64 text=0x115fc4 data=0xce7c0 data=0x9ac+0x12142c syms=[0x8+0xb38e0+0x8+0xd5516]
Loading configured modules...
/etc/hostid size=0x25
/boot/kernel/umodem.ko text=0x1ba0 text=0xda0 data=0x600+0x8 syms=[0x8+0x15d8+0x8+0xaab]
loading required module 'usb'
/boot/kernel/usb.ko text=0x6d60 text=0x186a0 data=0x1d88+0xb4 syms=[0x8+0x15810/+0x8+0x63f8]
loading required module 'ucom'
/boot/kernel/ucom.ko text=0x1d59 text=0x2744 data=0x818+0x850 syms=[0x8+0x2e50+0x8+0xf55]
/boot/entropy size=0x1000
Hit [Enter] to boot immediately, or any other key for command prompt.
Booting [/boot/kernel/kernel]...
Using DTB provided by EFI at 0x87f00000.
Kernel entry at 0xf660002e...
Kernel args: (null)
---<<BOOT>>---
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2020 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 13.0-CURRENT #0 19ebb3aa230-c255150(main): Thu Dec 17 05:29:12 UTC 2020
[_EMAIL_XXXXXXXXXXXXXXXXXXX]:/usr/obj/usr/src/riscv.riscv64/sys/GENERIC riscv
FreeBSD clang version 11.0.0 ([_EMAIL_XXXXX]:llvm/llvm-project.git llvmorg-11.0.0-0-g176249bd673)
WARNING: WITNESS option enabled, expect reduced performance.
t[0] == 0xffffffc000743d10
t[1] == 0x0000000000010000
t[2] == 0x0000000000000000
t[3] == 0x0000000000010000
t[4] == 0x0000000000000000
t[5] == 0x0000000000001000
t[6] == 0x0000000078000000
s[0] == 0xffffffc000003b30
s[1] == 0xffffffd000800000
s[2] == 0x0000000000000101
s[3] == 0x0000000000000001
s[4] == 0x0000000000000002
s[5] == 0xffffffc00053079c
s[6] == 0xffffffd0770492c0
s[7] == 0xffffffd077049580
s[8] == 0x0000000000000000
s[9] == 0x0000000000000002
s[10] == 0x0000000000000e7e
s[11] == 0xffffffd077049580
a[0] == 0xffffffd000800000
a[1] == 0x0000000000000000
a[2] == 0x0000000000000fff
a[3] == 0xffffffd000800000
a[4] == 0xffffffd000800001
a[5] == 0x1ffffffffffffff8
a[6] == 0x0000000000000001
a[7] == 0x0000000000000000
ra == 0xffffffc0005308e8
sp == 0xffffffc000003b20
gp == 0x0000000000000000
tp == 0xffffffd1f32f8300
sepc == 0xffffffc00051b88e
sstatus == 0x8000000200006100
panic: Memory access exception at 0xffffffc00051b88e
cpuid = 0
time = 1
KDB: stack backtrace:
(null)() at 0xffffffc00051f4c6
(null)() at 0xffffffc0000fc6a6
(null)() at 0xffffffc0002e74a4
(null)() at 0xffffffc0002a1988
(null)() at 0xffffffc0002a1780
(null)() at 0xffffffc00052f7aa
(null)() at 0xffffffc00051faf8
(null)() at 0xffffffc0005308e4
(null)() at 0xffffffc0004dd33a
(null)() at 0xffffffc0004dea0e
(null)() at 0xffffffc0004dacf2
(null)() at 0xffffffc0004da5fa
(null)() at 0xffffffc0004d93e6
(null)() at 0xffffffc0004e6454
(null)() at 0xffffffc000239d16
(null)() at 0xffffffc0000001ba
KDB: enter: panic
[ thread pid 0 tid 0 ]
Stopped at 0xffffffc0002e726a
db>