阿尔法板卡启动NXP官方kernel自动重启

t01051

大家好！我想问一下有没有人遇到过阿尔法开发板卡启动NXP官方内核，系统挂载完根文件系统后约6秒左右，核心板蓝色电源灯突然闪烁一下，然后系统自动重启？开发板的电源灯是正常的，有人遇到过这个问题吗？
内核使用imx_v7_mfg_defconfig编译，SD卡有两个分区，第一个fat分区存放的是zImage和dtb，第二个是ext4的文件系统。ext4文件系统是正常的，使用阿尔法板上出厂的系统能正常运行。
下面是启动输出：

1. U-Boot 2017.03 (Aug 13 2020 - 15:28:27 +0800)
   
2. 
   
3. CPU:   Freescale i.MX6ULL rev1.1 69 MHz (running at 396 MHz)
   
4. CPU:   Industrial temperature grade (-40C to 105C) at 34C
   
5. Reset cause: POR
   
6. Model: Freescale i.MX6 ULL 14x14 EVK Board
   
7. Board: MX6ULL 14x14 EVK
   
8. DRAM:  512 MiB
   
9. MMC:   FSL_SDHC: 0, FSL_SDHC: 1
   
10. *** Warning - bad CRC, using default environment
    
11. 
    
12. In:    serial
    
13. Out:   serial
    
14. Err:   serial
    
15. Net:   CPU Net Initialization Failed
    
16. No ethernet found.
    
17. Hit any key to stop autoboot:  0
    
18. switch to partitions #0, OK
    
19. mmc0 is current device
    
20. reading boot.scr
    
21. 436 bytes read in 10 ms (42 KiB/s)
    
22. ## Executing script at 81000000
    
23. try to load dtb file ...
    
24. reading my-i6ull.dtb
    
25. 35969 bytes read in 22 ms (1.6 MiB/s)
    
26. try to load zImage file ...
    
27. reading zImage
    
28. 5582872 bytes read in 349 ms (15.3 MiB/s)
    
29. try boot kernel ...
    
30. Kernel image [url=home.php?mod=space&uid=95564]@[/url] 0x80800000 [ 0x000000 - 0x553018 ]
    
31. ## Flattened Device Tree blob at 83000000
    
32.    Booting using the fdt blob at 0x83000000
    
33.    Using Device Tree in place at 83000000, end 8300bc80
    
34. 
    
35. Starting kernel ...
    
36. 
    
37. Booting Linux on physical CPU 0x0
    
38. Linux version 4.1.15 (root@hope-VirtualBox) (gcc version 4.9.4 (Linaro GCC 4.9-2017.01) ) #2 SMP PREEMPT Fri Aug 14 15:38:43 CST 2020
    
39. CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
    
40. CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
    
41. Machine model: Freescale i.MX6 ULL 14x14 EVK Board
    
42. Reserved memory: created CMA memory pool at 0x8c000000, size 320 MiB
    
43. Reserved memory: initialized node linux,cma, compatible id shared-dma-pool
    
44. Memory policy: Data cache writealloc
    
45. PERCPU: Embedded 12 pages/cpu @8bb32000 s16768 r8192 d24192 u49152
    
46. Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 130048
    
47. Kernel command line: console=ttymxc0,115200 root=/dev/mmcblk0p2 rootwait rootfstype=ext4 rw panic=10
    
48. PID hash table entries: 2048 (order: 1, 8192 bytes)
    
49. Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
    
50. Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
    
51. Memory: 180852K/524288K available (6883K kernel code, 322K rwdata, 2356K rodata, 400K init, 424K bss, 15756K reserved, 327680K cma-reserved, 0K highmem)
    
52. Virtual kernel memory layout:
    
53.     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    
54.     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
    
55.     vmalloc : 0xa0800000 - 0xff000000   (1512 MB)
    
56.     lowmem  : 0x80000000 - 0xa0000000   ( 512 MB)
    
57.     pkmap   : 0x7fe00000 - 0x80000000   (   2 MB)
    
58.     modules : 0x7f000000 - 0x7fe00000   (  14 MB)
    
59.       .text : 0x80008000 - 0x8090df3c   (9240 kB)
    
60.       .init : 0x8090e000 - 0x80972000   ( 400 kB)
    
61.       .data : 0x80972000 - 0x809c29c0   ( 323 kB)
    
62.        .bss : 0x809c5000 - 0x80a2f2f0   ( 425 kB)
    
63. SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
    
64. Preemptible hierarchical RCU implementation.
    
65.         Additional per-CPU info printed with stalls.
    
66.         RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=1.
    
67. RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
    
68. NR_IRQS:16 nr_irqs:16 16
    
69. mxc_clocksource_init 3000000
    
70. Switching to timer-based delay loop, resolution 333ns
    
71. sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns
    
72. clocksource mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns
    
73. Console: colour dummy device 80x30
    
74. Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000)
    
75. pid_max: default: 32768 minimum: 301
    
76. Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
    
77. Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
    
78. CPU: Testing write buffer coherency: ok
    
79. /cpus/cpu@0 missing clock-frequency property
    
80. CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
    
81. Setting up static identity map for 0x80008280 - 0x800082f0
    
82. Brought up 1 CPUs
    
83. SMP: Total of 1 processors activated (6.00 BogoMIPS).
    
84. CPU: All CPU(s) started in SVC mode.
    
85. devtmpfs: initialized
    
86. device-tree: Duplicate name in lcdif@021c8000, renamed to "display#1"
    
87. VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
    
88. clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
    
89. pinctrl core: initialized pinctrl subsystem
    
90. NET: Registered protocol family 16
    
91. DMA: preallocated 256 KiB pool for atomic coherent allocations
    
92. cpuidle: using governor ladder
    
93. cpuidle: using governor menu
    
94. hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
    
95. hw-breakpoint: maximum watchpoint size is 8 bytes.
    
96. imx6ul-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver
    
97. imx6ul-pinctrl 2290000.iomuxc-snvs: initialized IMX pinctrl driver
    
98. mxs-dma 1804000.dma-apbh: initialized
    
99. SCSI subsystem initialized
    
100. usbcore: registered new interface driver usbfs
     
101. usbcore: registered new interface driver hub
     
102. usbcore: registered new device driver usb
     
103. i2c i2c-0: IMX I2C adapter registered
     
104. i2c i2c-0: can't use DMA
     
105. i2c i2c-1: IMX I2C adapter registered
     
106. i2c i2c-1: can't use DMA
     
107. Linux video capture interface: v2.00
     
108. pps_core: LinuxPPS API ver. 1 registered
     
109. pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
     
110. PTP clock support registered
     
111. Advanced Linux Sound Architecture Driver Initialized.
     
112. Switched to clocksource mxc_timer1
     
113. NET: Registered protocol family 2
     
114. TCP established hash table entries: 4096 (order: 2, 16384 bytes)
     
115. TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
     
116. TCP: Hash tables configured (established 4096 bind 4096)
     
117. UDP hash table entries: 256 (order: 1, 8192 bytes)
     
118. UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
     
119. NET: Registered protocol family 1
     
120. RPC: Registered named UNIX socket transport module.
     
121. RPC: Registered udp transport module.
     
122. RPC: Registered tcp transport module.
     
123. RPC: Registered tcp NFSv4.1 backchannel transport module.
     
124. imx rpmsg driver is registered.
     
125. Bus freq driver module loaded
     
126. futex hash table entries: 256 (order: 2, 16384 bytes)
     
127. VFS: Disk quotas dquot_6.6.0
     
128. VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
     
129. NFS: Registering the id_resolver key type
     
130. Key type id_resolver registered
     
131. Key type id_legacy registered
     
132. jffs2: version 2.2. (NAND) &#169; 2001-2006 Red Hat, Inc.
     
133. fuse init (API version 7.23)
     
134. io scheduler noop registered
     
135. io scheduler deadline registered
     
136. io scheduler cfq registered (default)
     
137. imx-weim 21b8000.weim: Driver registered.
     
138. backlight supply power not found, using dummy regulator
     
139. 21c8000.lcdif supply lcd not found, using dummy regulator
     
140. mxsfb 21c8000.lcdif: failed to find mxc display driver
     
141. Console: switching to colour frame buffer device 60x34
     
142. mxsfb 21c8000.lcdif: initialized
     
143. imx-sdma 20ec000.sdma: no event needs to be remapped
     
144. imx-sdma 20ec000.sdma: loaded firmware 3.3
     
145. imx-sdma 20ec000.sdma: initialized
     
146. 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 18, base_baud = 5000000) is a IMX
     
147. console [ttymxc0] enabled
     
148. 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 235, base_baud = 5000000) is a IMX
     
149. imx sema4 driver is registered.
     
150. [drm] Initialized drm 1.1.0 20060810
     
151. [drm] Initialized vivante 1.0.0 20120216 on minor 0
     
152. brd: module loaded
     
153. loop: module loaded
     
154. fsl-quadspi 21e0000.qspi: unrecognized JEDEC id bytes: ff, ff, ff
     
155. fsl-quadspi 21e0000.qspi: Freescale QuadSPI probe failed
     
156. 20b4000.ethernet supply phy not found, using dummy regulator
     
157. pps pps0: new PPS source ptp0
     
158. fec 20b4000.ethernet (unnamed net_device) (uninitialized): Invalid MAC address: 00:00:00:00:00:00
     
159. fec 20b4000.ethernet (unnamed net_device) (uninitialized): Using random MAC address: 92:81:8d:72:13:b5
     
160. libphy: fec_enet_mii_bus: probed
     
161. fec 20b4000.ethernet eth0: registered PHC device 0
     
162. 2188000.ethernet supply phy not found, using dummy regulator
     
163. pps pps1: new PPS source ptp1
     
164. fec 2188000.ethernet (unnamed net_device) (uninitialized): Invalid MAC address: 00:00:00:00:00:00
     
165. fec 2188000.ethernet (unnamed net_device) (uninitialized): Using random MAC address: a2:54:53:06:0a:c8
     
166. fec 2188000.ethernet eth1: registered PHC device 1
     
167. ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
     
168. ehci-mxc: Freescale On-Chip EHCI Host driver
     
169. usbcore: registered new interface driver usb-storage
     
170. 2184800.usbmisc supply vbus-wakeup not found, using dummy regulator
     
171. 2184000.usb supply vbus not found, using dummy regulator
     
172. 2184200.usb supply vbus not found, using dummy regulator
     
173. ci_hdrc ci_hdrc.1: EHCI Host Controller
     
174. ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
     
175. ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
     
176. hub 1-0:1.0: USB hub found
     
177. hub 1-0:1.0: 1 port detected
     
178. Mass Storage Function, version: 2009/09/11
     
179. LUN: removable file: (no medium)
     
180. no file given for LUN0
     
181. g_mass_storage ci_hdrc.0: failed to start g_mass_storage: -22
     
182. mousedev: PS/2 mouse device common for all mice
     
183. input: 20cc000.snvs:snvs-powerkey as /devices/platform/soc/2000000.aips-bus/20cc000.snvs/20cc000.snvs:snvs-powerkey/input/input0
     
184. input: iMX6UL TouchScreen Controller as /devices/platform/soc/2000000.aips-bus/2040000.tsc/input/input1
     
185. snvs_rtc 20cc000.snvs:snvs-rtc-lp: rtc core: registered 20cc000.snvs:snvs-r as rtc0
     
186. i2c /dev entries driver
     
187. IR NEC protocol handler initialized
     
188. IR RC5(x/sz) protocol handler initialized
     
189. IR RC6 protocol handler initialized
     
190. IR JVC protocol handler initialized
     
191. IR Sony protocol handler initialized
     
192. IR SANYO protocol handler initialized
     
193. IR Sharp protocol handler initialized
     
194. IR MCE Keyboard/mouse protocol handler initialized
     
195. IR XMP protocol handler initialized
     
196. pxp-v4l2 pxp_v4l2: initialized
     
197. imx2-wdt 20bc000.wdog: use WDOG_B to reboot.
     
198. imx2-wdt 20bc000.wdog: timeout 60 sec (nowayout=0)
     
199. sdhci: Secure Digital Host Controller Interface driver
     
200. sdhci: Copyright(c) Pierre Ossman
     
201. sdhci-pltfm: SDHCI platform and OF driver helper
     
202. /soc/aips-bus@02100000/usdhc@02190000: voltage-ranges unspecified
     
203. sdhci-esdhc-imx 2190000.usdhc: Got CD GPIO
     
204. sdhci-esdhc-imx 2190000.usdhc: No vqmmc regulator found
     
205. mmc0: SDHCI controller on 2190000.usdhc [2190000.usdhc] using ADMA
     
206. /soc/aips-bus@02100000/usdhc@02194000: voltage-ranges unspecified
     
207. sdhci-esdhc-imx 2194000.usdhc: could not get ultra high speed state, work on normal mode
     
208. sdhci-esdhc-imx 2194000.usdhc: No vmmc regulator found
     
209. sdhci-esdhc-imx 2194000.usdhc: No vqmmc regulator found
     
210. mmc0: host does not support reading read-only switch, assuming write-enable
     
211. mmc1: SDHCI controller on 2194000.usdhc [2194000.usdhc] using ADMA
     
212. usbcore: registered new interface driver usbhid
     
213. usbhid: USB HID core driver
     
214. mmc0: new high speed SD card at address b368
     
215. mmcblk0: mmc0:b368       478 MiB
     
216. usb 1-1: new high-speed USB device number 2 using ci_hdrc
     
217. mmcblk0: p1 p2
     
218. NET: Registered protocol family 10
     
219. sit: IPv6 over IPv4 tunneling driver
     
220. NET: Registered protocol family 17
     
221. Key type dns_resolver registered
     
222. Registering SWP/SWPB emulation handler
     
223. snvs_rtc 20cc000.snvs:snvs-rtc-lp: setting system clock to 1970-01-01 00:00:00 UTC (0)
     
224. can-3v3: disabling
     
225. ALSA device list:
     
226.   No soundcards found.
     
227. hub 1-1:1.0: USB hub found
     
228. hub 1-1:1.0: 4 ports detected
     
229. EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
     
230. VFS: Mounted root (ext4 filesystem) on device 179:2.
     
231. devtmpfs: mounted
     
232. Freeing unused kernel memory: 400K (8090e000 - 80972000)
     
233. first df m ...
     
234. Filesystem           1M-blocks      Used Available Use% Mounted on
     
235. Try automount ...
     
236. after mount df m ...
     
237. Filesystem           1M-blocks      Used Available Use% Mounted on
     
238. /dev/root                  357       130       205  39% /
     
239. devtmpfs                    88         0        88   0% /dev
     
240. tmpfs                      249         0       249   0% /tmp
     
241. tmpfs                      249         0       249   0% /var/volatile
     
242. tmpfs                      249         0       249   0% /run
     
243. 
     
244. Please press Enter to activate this console.
     
245. root@hope_imx6ull:/#
     

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U-boot传入的参数是：console=ttymxc0,115200 root=/dev/mmcblk0p2 rootwait rootfstype=ext4 rw panic=10
根文件系统fstab中的内容：

启动后我用df命令查看挂载的信息，发现并没有显示挂载了 proc 和 sysfs，但使用 ls /proc却可以看到里面是由内容的。有人知道导致自动重启的原因吗？？求指导

t01051

找到原因了。。。被狗咬了
配置内核时在Device Drivers > Watchdog Timer Support中取消勾选IMX2+ Watchdog可以避免自动重启，具体原因在查

正点原子

帮顶

xiaotaotao

帮顶！

t01051

xiaotaotao 发表于 2020-8-15 09:16
帮顶！

谢谢

无忧花开

你编译NXP的内核用的的交叉编译器是什么版本的？高版本的？是7.多版本的？

t01051

无忧花开 发表于 2020-8-15 12:10
你编译NXP的内核用的的交叉编译器是什么版本的？高版本的？是7.多版本的？

我编译器用的是正点原子提供的gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf.tar.xz
然后我用压缩包里面提供的UBoot和nand里的UBoot都无法将fat分区里的zImage载入内存，于是我把UBoot换成了u-boot-2017.03.tar.bz2版本，配置文件用的是mx6ull_14x14_evk_defconfig，卡启动UBoot是正常的

t01051

我查了核心板的原理图，板上蓝色LED接在U8 MP2144上，这个片子的EN接在6ull的PMIC_ON_REQ（SNVS_PMIC_ON_REQ）。后来我将SD卡中的zImage、设备树以及根文件系统都换成正点原子的，只有UBoot使用的是u-boot-2017.03.tar.bz2（因为nand上的fatload和load总是读zImage失败），但是启动后仍然存在自动重启的问题。
我想不出到底是什么原因使得PMIC_ON_REQ出现了变化。。。

t01051

proc和sysfs自动挂载挂不上，手动也挂不上

1. Please press Enter to activate this console.
   
2. root@hope_imx6ull:/# mount -a;df -m;mount -t proc proc /proc
   
3. Filesystem           1M-blocks      Used Available Use% Mounted on
   
4. /dev/root                  446       130       289  31% /
   
5. devtmpfs                   184         0       184   0% /dev
   
6. tmpfs                      249         0       249   0% /tmp
   
7. tmpfs                      249         0       249   0% /var/volatile
   
8. tmpfs                      249         0       249   0% /run
   
9. mount: mounting proc on /proc failed: Device or resource busy
   
10. root@hope_imx6ull:/#
    

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fstab的内容：

1. # /etc/fstab: static file system information.
   
2. #
   
3. # <file system> <mount point>   <type>      <options>       <dump>  <pass>
   
4. # / was on /dev/mmcblk0p2 during installation
   
5. /dev/mmcblk0p2         /          ext4    errors=remount-ro    0       1
   
6. proc                   /proc      proc       defaults          0       0
   
7. devpts                 /dev/pts   devpts     mode=0620,gid=5   0       0
   
8. tmpfs                  /tmp       tmpfs      defaults          0       0
   
9. sysfs                  /sys       sysfs      defaults          0       0
   
10. tmpfs                  /var/volatile tmpfs   defaults          0       0
    
11. tmpfs                  /run       tmpfs      defaults          0       0

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