运行openwrt(chaos_calmer) MT7628 开发板出错误

sunsili

运行openwrt(chaos_calmer r49396) MT7628 开发板出错误

编译环境：wsl: ubuntu20.04

openwrt版本： openwrt(chaos_calmer 15.05 r49396)

linux内核：Linux version 3.18.29

开发板：基本于Mediatek MT7628AN evaluation board改板自制

system type             : MediaTek MT7628AN ver:1 eco:2
machine                 : Mediatek MT7628AN evaluation board
processor               : 0
cpu model               : MIPS 24KEc V5.5
BogoMIPS                : 380.92
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb]
isa                     : mips1 mips2 mips32r1 mips32r2
ASEs implemented        : mips16 dsp
shadow register sets    : 1
kscratch registers      : 0
package                 : 0
core                    : 0
VCED exceptions         : not available
VCEI exceptions         : not available


现象：
启动时出错

Log:

## Transferring control to Linux (at address 80000000) ...
## Giving linux memsize in MB, 128

Starting kernel ...

[    0.000000] Linux version 3.18.29 (fan@FAN-THINK-PC) (gcc version 4.8.3 (OpenWrt/Linaro GCC 4.8-2014.04 r49396) ) #1 Fri Jul 7 21:14:56 CST 2023
[    0.000000] Board has DDR2
[    0.000000] Analog PMU set to hw control
[    0.000000] Digital PMU set to hw control
[    0.000000] SoC Type: MediaTek MT7628AN ver:1 eco:2
[    0.000000] bootconsole [early0] enabled
[    0.000000] CPU0 revision is: 00019655 (MIPS 24KEc)
[    0.000000] MIPS: machine is Mediatek MT7628AN evaluation board
[    0.000000] Determined physical RAM map:
[    0.000000]  memory: 08000000 @ 00000000 (usable)
[    0.000000] Initrd not found or empty - disabling initrd
[    0.000000] Zone ranges:
[    0.000000]   Normal   [mem 0x00000000-0x07ffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x00000000-0x07ffffff]
[    0.000000] Initmem setup node 0 [mem 0x00000000-0x07ffffff]
[    0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
[    0.000000] Primary data cache 32kB, 4-way, PIPT, no aliases, linesize 32 bytes
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 32512
[    0.000000] Kernel command line: console=ttyS0,115200 rootfstype=squashfs,jffs2
[    0.000000] PID hash table entries: 512 (order: -1, 2048 bytes)
[    0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
[    0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
[    0.000000] Writing ErrCtl register=000198f0
[    0.000000] Readback ErrCtl register=000198f0
[    0.000000] Memory: 126336K/131072K available (2513K kernel code, 126K rwdata, 516K rodata, 164K init, 186K bss, 4736K reserved)
[    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] NR_IRQS:256
[    0.000000] intc: using register map from devicetree
[    0.000000] CPU Clock: 575MHz
[    0.000000] clocksource_of_init: no matching clocksources found
[    0.000000] Calibrating delay loop... 380.92 BogoMIPS (lpj=1904640)
[    0.060000] pid_max: default: 32768 minimum: 301
[    0.060000] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.070000] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.080000] pinctrl core: initialized pinctrl subsystem
[    0.080000] NET: Registered protocol family 16
[    0.100000] mt7621_gpio 10000600.gpio: registering 32 gpios
[    0.110000] mt7621_gpio 10000600.gpio: registering 32 gpios
[    0.110000] mt7621_gpio 10000600.gpio: registering 32 gpios
[    0.120000] Switched to clocksource MIPS
[    0.120000] NET: Registered protocol family 2
[    0.130000] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[    0.130000] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[    0.140000] TCP: Hash tables configured (established 1024 bind 1024)
[    0.150000] TCP: reno registered
[    0.150000] UDP hash table entries: 256 (order: 0, 4096 bytes)
[    0.160000] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[    0.160000] NET: Registered protocol family 1
[    0.170000] futex hash table entries: 256 (order: -1, 3072 bytes)
[    0.180000] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.190000] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[    0.200000] msgmni has been set to 246
[    0.210000] io scheduler noop registered
[    0.220000] io scheduler deadline registered (default)
[    0.220000] drivers/phy/phy-ralink-usb.c:ralink_usb_phy_probe[336]
[    0.230000] drivers/phy/phy-ralink-usb.c:ralink_usb_phy_probe[350]
[    0.240000] Serial: 8250/16550 driver, 3 ports, IRQ sharing disabled
[    0.240000] console [ttyS0] disabled
[    0.250000] 10000c00.uartlite: ttyS0 at MMIO 0x10000c00 (irq = 28, base_baud = 2500000) is a 16550A
[    0.260000] console [ttyS0] enabled
[    0.260000] console [ttyS0] enabled
[    0.260000] bootconsole [early0] disabled
[    0.260000] bootconsole [early0] disabled
[    0.270000] 10000d00.uart1: ttyS1 at MMIO 0x10000d00 (irq = 29, base_baud = 2500000) is a 16550A
[    0.280000] 10000e00.uart2: ttyS2 at MMIO 0x10000e00 (irq = 30, base_baud = 2500000) is a 16550A
[    0.290000] spi-mt7621 10000b00.spi: sys_freq: 191666666
[    0.300000] m25p80 spi32766.0: found en25qh128, expected en25q64
[    0.310000] m25p80 spi32766.0: en25qh128 (16384 Kbytes)
[    0.310000] m25p80 spi32766.0: using chunked io
[    0.320000] 4 ofpart partitions found on MTD device spi32766.0
[    0.320000] Creating 4 MTD partitions on "spi32766.0":
[    0.330000] 0x000000000000-0x000000030000 : "u-boot"
[    0.340000] 0x000000030000-0x000000040000 : "u-boot-env"
[    0.340000] 0x000000040000-0x000000050000 : "factory"
[    0.350000] 0x000000050000-0x000001000000 : "firmware"
[    0.410000] 2 uimage-fw partitions found on MTD device firmware
[    0.420000] 0x000000050000-0x00000016601d : "kernel"
[    0.430000] 0x00000016601d-0x000001000000 : "rootfs"
[    0.430000] mtd: device 5 (rootfs) set to be root filesystem
[    0.440000] 1 squashfs-split partitions found on MTD device rootfs
[    0.450000] 0x000000560000-0x000001000000 : "rootfs_data"
[    0.460000] ralink_soc_eth 10100000.ethernet eth0: ralink at 0xb0100000, irq 5
[    0.470000] mt7621_wdt 10000120.watchdog: Initialized
[    0.480000] TCP: cubic registered
[    0.480000] NET: Registered protocol family 17
[    0.480000] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this.
[    0.500000] 8021q: 802.1Q VLAN Support v1.8
[    0.510000] VFS: Mounted root (squashfs filesystem) readonly on device 31:5.
[    0.520000] Freeing unused kernel memory: 164K (80317000 - 80340000)
/etc/preinit: exec: line 5: /sbin/init: not found
[    1.690000] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000200
[    1.690000]
[    1.690000] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000200
[    1.690000]
[   82.530000] random: nonblocking pool is initialized
........

按log初步分析判断是调用/etc/preinit找到不系统初始化文件 /sbin/init
具体原因还没分析出来。

已经把此问题发在openwr官方论坛：I had a problem when openwrt(chaos_calmer) was running no MT7628 board - For Developers - OpenWrt Forum

sunsili

官方也没给出好的愿意付出，只是openwrt(chaos_calmer 15.05) 不再维护与支持，需用新版本


后面我们在ubuntu16下重新搭环境，编译通过后，就能在开发板运行了

sunsili

我们的荣誉不是在于永远成功，而是在于失败和绝望时能找到重新站起来的希望，勇敢的面对困难战胜困难。