https://e2echina.ti.com/support/processors/zh-CNTelligent Community 13https://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3942391Fri, 18 Sep 2026 12:04:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:9f8419bc-133a-4469-a3ce-ecc5dc7f9297Vinuchandran A V你好， 您能否尝试将此参数添加到 2025 Uboot 启动参数中并捕获日志？ slub_debug=FZP 如果仍然无效，请使用以下命令重新编译内核： CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y 请分享日志文件。 问候， 维努ECTEhttps://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3942384Fri, 18 Sep 2026 05:39:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:2a8987bc-22d9-4bc1-8427-b6a452baef93shaohua xiong=> tftp 0x80008000 zImage link up on port 0, speed 1000, full duplex Using cpsw device TFTP from server 192.168.0.10; our IP address is 192.168.0.1 Filename 'zImage'. Load address: 0x80008000 Loading: ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############# 1.2 MiB/s done Bytes transferred = 5902848 (5a1200 hex) => tftp 0x8b000000 am335x-evm.dtb link up on port 0, speed 1000, full duplex Using cpsw device TFTP from server 192.168.0.10; our IP address is 192.168.0.1 Filename 'am335x-evm.dtb'. Load address: 0x8b000000 Loading: ##### 721.7 KiB/s done Bytes transferred = 69492 (10f74 hex) => printenv bootargs bootargs=earlycon=ns16550a,mmio32,0x44e09000 console=ttyO0,115200n8 loglevel=8 root=/dev/ram0 rw => bootz 0x80008000 - 0x8b000000 ## Flattened Device Tree blob at 8b000000 Booting using the fdt blob at 0x8b000000 Loading Device Tree to 8def3000, end 8df06f73 ... OK Starting kernel ... C:0x800090A0-0x805A9200->0x80EFC200-0x8149C360 Uncompressing Linux... done, booting the kernel. [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 6.1.46-ti-gbbfe7dc461b4 (oe-user@oe-host) (arm-openbmc-linux-gnueabi-gcc (GCC) 15.2.0, GNU ld (GNU Binutils) 2.46) #1 PREEMPT Mon Aug 31 18:01:53 CST 2026 [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: TI AM335x EVM [ 0.000000] earlycon: ns16550a0 at MMIO32 0x44e09000 (options '') [ 0.000000] printk: bootconsole [ns16550a0] enabled [ 0.000000] Memory policy: Data cache writeback [ 0.000000] efi: UEFI not found. [ 0.000000] cma: Reserved 64 MiB at 0x89800000 [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x0000000080000000-0x000000008fdfffff] [ 0.000000] HighMem empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080000000-0x000000008fdfffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x000000008fdfffff] [ 0.000000] CPU: All CPU(s) started in SVC mode. [ 0.000000] AM335X ES2.1 (neon) [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 64516 [ 0.000000] Kernel command line: earlycon=ns16550a,mmio32,0x44e09000 console=ttyO0,115200n8 loglevel=8 root=/dev/ram0 rw [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes, linear) [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 177248K/260096K available (9216K kernel code, 1005K rwdata, 2364K rodata, 1024K init, 282K bss, 17312K reserved, 65536K cma-reserved, 0K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] trace event string verifier disabled [ 0.000000] rcu: Preemptible hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] Trampoline variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] IRQ: Found an INTC at 0x(ptrval) (revision 5.0) with 128 interrupts [ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.000000] TI gptimer clocksource: always-on /ocp/interconnect@44c00000/segment@200000/target-module@31000 [ 0.000003] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns [ 0.008081] clocksource: dmtimer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns [ 0.018227] TI gptimer clockevent: 24000000 Hz at /ocp/interconnect@48000000/segment@0/target-module@40000 [ 0.030607] Console: colour dummy device 80x30 [ 0.035261] Calibrating delay loop... 597.60 BogoMIPS (lpj=2988032) [ 0.154717] CPU: Testing write buffer coherency: ok [ 0.159829] CPU0: Spectre v2: using BPIALL workaround [ 0.165034] pid_max: default: 32768 minimum: 301 [ 0.169937] LSM: Security Framework initializing [ 0.174886] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.182458] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.192907] cblist_init_generic: Setting adjustable number of callback queues. [ 0.200453] cblist_init_generic: Setting shift to 0 and lim to 1. [ 0.206947] Setting up static identity map for 0x80100000 - 0x80100060 [ 0.213932] rcu: Hierarchical SRCU implementation. [ 0.218912] rcu: Max phase no-delay instances is 1000. [ 0.226684] EFI services will not be available. [ 0.232166] devtmpfs: initialized [ 0.256444] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3 [ 0.264830] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.275018] futex hash table entries: 256 (order: -1, 3072 bytes, linear) [ 0.288549] pinctrl core: initialized pinctrl subsystem [ 0.295031] DMI not present or invalid. [ 0.300101] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.309349] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.317982] thermal_sys: Registered thermal governor 'step_wise' [ 0.339798] No ATAGs? [ 0.348397] hw-breakpoint: debug architecture 0x4 unsupported. [ 0.357292] Serial: AMBA PL011 UART driver [ 0.394114] SCSI subsystem initialized [ 0.398888] pps_core: LinuxPPS API ver. 1 registered [ 0.404012] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.427328] PTP clock support registered [ 0.431672] EDAC MC: Ver: 3.0.0 [ 0.438330] clocksource: Switched to clocksource dmtimer [ 0.471178] NET: Registered PF_INET protocol family [ 0.488627] IP idents hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.503888] tcp_listen_portaddr_hash hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.512829] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.520854] TCP established hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.528805] TCP bind hash table entries: 2048 (order: 2, 16384 bytes, linear) [ 0.536195] TCP: Hash tables configured (established 2048 bind 2048) [ 0.542899] UDP hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.549673] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.557083] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 0.564985] Initialise system trusted keyrings [ 0.570147] workingset: timestamp_bits=30 max_order=16 bucket_order=0 [ 0.584558] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.590726] jffs2: version 2.2. (NAND) ? 2001-2006 Red Hat, Inc. [ 0.598181] Key type asymmetric registered [ 0.602484] Asymmetric key parser 'x509' registered [ 0.607740] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 0.615412] io scheduler mq-deadline registered [ 0.620102] io scheduler kyber registered [ 0.714721] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 0.724604] STMicroelectronics ASC driver initialized [ 0.745718] brd: module loaded [ 0.757416] loop: module loaded [ 0.768645] CAN device driver interface [ 0.775412] i2c_dev: i2c /dev entries driver [ 0.782061] ledtrig-cpu: registered to indicate activity on CPUs [ 0.792378] NET: Registered PF_INET6 protocol family [ 0.799602] Segment Routing with IPv6 [ 0.803472] In-situ OAM (IOAM) with IPv6 [ 0.807645] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 0.814921] NET: Registered PF_PACKET protocol family [ 0.820268] can: controller area network core [ 0.824832] NET: Registered PF_CAN protocol family [ 0.829815] can: raw protocol [ 0.832877] can: broadcast manager protocol [ 0.837192] can: netlink gateway - max_hops=1 [ 0.841896] 8021q: 802.1Q VLAN Support v1.8 [ 0.846489] Key type dns_resolver registered [ 0.851077] ThumbEE CPU extension supported. [ 0.855488] Registering SWP/SWPB emulation handler [ 0.860970] omap_voltage_late_init: Voltage driver support not added [ 0.868312] Loading compiled-in X.509 certificates [ 0.879087] Key type encrypted registered [ 0.883312] ima: No TPM chip found, activating TPM-bypass! [ 0.889324] ima: Allocated hash algorithm: sha1 [ 0.894052] ima: No architecture policies found [ 0.899122] evm: Initialising EVM extended attributes: [ 0.904425] evm: security.selinux (disabled) [ 0.908970] evm: security.SMACK64 (disabled) [ 0.913371] evm: security.SMACK64EXEC (disabled) [ 0.918121] evm: security.SMACK64TRANSMUTE (disabled) [ 0.923379] evm: security.SMACK64MMAP (disabled) [ 0.928133] evm: security.apparmor (disabled) [ 0.932650] evm: security.ima [ 0.935704] evm: security.capability [ 0.939432] evm: HMAC attrs: 0x1 [ 0.974794] pinctrl-single 44e10800.pinmux: 142 pins, size 568 [ 0.988655] gpio gpiochip0: (gpio-0-31): not an immutable chip, please consider fixing it! [ 0.997819] OMAP GPIO hardware version 0.1 [ 1.005629] printk: console [ttyO0] disabled [ 1.010337] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 18, base_baud = 3000000) is a 8250 [ 1.019506] printk: console [ttyO0] enabled [ 1.019506] printk: console [ttyO0] enabled [ 1.028020] printk: bootconsole [ns16550a0] disabled [ 1.028020] printk: bootconsole [ns16550a0] disabled [ 1.042745] i2c i2c-0: of_i2c: modalias failure on /ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/tps@2d [ 1.054258] i2c i2c-0: Failed to create I2C device for /ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/tps@2d [ 1.066426] at24 0-0054: supply vcc not found, using dummy regulator [ 1.098623] at24 0-0054: 1024 byte 24c08 EEPROM, writable, 1 bytes/write [ 1.105532] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz [ 1.117861] ti-sysc: probe of 44e31000.target-module failed with error -16 [ 1.129087] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 15 sec [ 1.145263] 48022000.serial: ttyO1 at MMIO 0x48022000 (irq = 21, base_baud = 3000000) is a 8250 [ 1.163941] ti-sysc: probe of 48040000.target-module failed with error -16 [ 1.184675] gpio gpiochip1: (gpio-32-63): not an immutable chip, please consider fixing it! [ 1.207939] gpio gpiochip2: (gpio-64-95): not an immutable chip, please consider fixing it! [ 1.219557] gpio gpiochip3: (gpio-96-127): not an immutable chip, please consider fixing it! [ 1.232051] c_can_platform 481cc000.can: c_can_platform device registered (regs=(ptrval), irq=31) [ 1.244762] c_can_platform 481d0000.can: c_can_platform device registered (regs=(ptrval), irq=32) [ 1.263974] omap_rng 48310000.rng: Random Number Generator ver. 20 [ 1.270435] random: crng init done [ 1.338451] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6, bus freq 1000000 [ 1.351025] davinci_mdio 4a101000.mdio: phy[1]: device 4a101000.mdio:01, driver Micrel KSZ9031 Gigabit PHY [ 1.360901] davinci_mdio 4a101000.mdio: phy[2]: device 4a101000.mdio:02, driver Micrel KSZ9031 Gigabit PHY [ 1.371220] cpsw-switch 4a100000.switch: initialized cpsw ale version 1.4 [ 1.378064] cpsw-switch 4a100000.switch: ALE Table size 1024 [ 1.384027] cpsw-switch 4a100000.switch: cpts: overflow check period 500 (jiffies) [ 1.391732] cpsw-switch 4a100000.switch: CPTS: ref_clk_freq:250000000 calc_mult:2147483648 calc_shift:29 error:0 nsec/sec [ 1.402835] cpsw-switch 4a100000.switch: Detected MACID = 04:23:22:68:0e:f8 [ 1.409975] cpsw-switch 4a100000.switch: Detected MACID = 04:23:22:68:0e:fa [ 1.419895] cpsw-switch 4a100000.switch: initialized (regs 0x4a100000, pool size 256) hw_ver:0019010C 1.12 (0) [ 1.440512] debugfs: Directory '49000000.dma' with parent 'dmaengine' already present! [ 1.448590] edma 49000000.dma: TI EDMA DMA engine driver [ 1.469154] omap-gpmc 50000000.gpmc: GPMC revision 6.0 [ 1.474375] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000 [ 1.502151] omap_reset_deassert: timedout waiting for gfx:0 [ 1.507877] ti-sysc: probe of 5600fe00.target-module failed with error -110 [ 1.518318] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available [ 1.531738] l3-aon-clkctrl:0000:0: failed to disable [ 1.544594] nand: device found, Manufacturer ID: 0xef, Chip ID: 0xda [ 1.551184] nand: Winbond W29N02KV [ 1.554614] nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 128 [ 1.562502] nand: using OMAP_ECC_BCH8_CODE_HW ECC scheme [ 1.568072] 11 fixed-partitions partitions found on MTD device omap2-nand.0 [ 1.575123] Creating 11 MTD partitions on "omap2-nand.0": [ 1.580582] 0x000000000000-0x000000080000 : "SPL" [ 1.587736] 0x000000080000-0x000000180000 : "u-boot" [ 1.595088] 0x000000180000-0x000000280000 : "u-boot.backup" [ 1.602995] 0x000000280000-0x000000300000 : "u-boot-env" [ 1.610637] 0x000000300000-0x000001300000 : "fit" [ 1.622147] 0x000001300000-0x000002300000 : "fit.backup" [ 1.634257] 0x000002300000-0x000007300000 : "rootfs" [ 1.665206] 0x000007300000-0x00000c300000 : "rootfs.backup" [ 1.696867] 0x00000c300000-0x00000c700000 : "config" [ 1.705049] 0x00000c700000-0x00000cb00000 : "config.backup" [ 1.713874] 0x00000cb00000-0x000010000000 : "storage" [ 1.739150] input: volume-keys as /devices/platform/volume-keys/input/input0 这是uboot2017 启动的同一个zImage 和 dtb 的loghttps://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3942383Fri, 18 Sep 2026 05:32:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:041c12e0-31dc-4e9f-9e42-790fa5ecde8dVinuchandran A V你好， 内核开始执行，然后遇到了 内核空指针解引用问题。 [quote userid="675191" url="~/support/processors-group/processors---internal/f/processors---internal-forum/1681003/am3352-upgrading-u-boot-from-sdk-2017-to-2026-booting-the-same-fitimage-the-new-u-boot-2026-displays-the-starting-kernel-error/6487773"][ 0.000000] 8 ] lr : [ ] psr: 60000093 [ 0.000000] sp : c0e01f28 ip : ffffffff fp : 00000000 [0.000000] r10: 00000000 r9: c101005c r8: c0efd7e4 [ 0.000000] r7 : c1010008 r6 : c1010010 r5 : c0efd6c8 r4 : c1010000 [ 0.000000] r3 : c0e08040 r2 : 00000000 r1 : 00000000 r0 : c1010010 [ 0.000000] 标志：nZCv IRQ 关闭 FIQ 开启 模式 SVC_32 ISA ARM 段 无 [ 0.000000] 控制：10c5387d 表：80004019 DAC：00000051 [ 0.000000] 寄存器 r0 信息：slab kmalloc-192 起始 c1010000 指针偏移 16 大小 192 [ 0.000000] 寄存器 r1 信息：空指针 [ 0.000000] 寄存器 r2 信息：空指针 [ 0.000000] 寄存器 r3 信息：非 slab/vmalloc 内存 [ 0.000000] 寄存器 r4 信息：slab kmalloc-192 起始 c1010000 指针偏移量 0 大小 192 [ 0.000000] 寄存器 r5 信息：非 slab/vmalloc 内存 [ 0.000000] 寄存器 r6 信息：slab kmalloc-192 起始 c1010000 指针偏移 16 大小 192 [ 0.000000] 寄存器 r7 信息：slab kmalloc-192 起始 c1010000 指针偏移量 8 大小 192 [ 0.000000] 寄存器 r8 信息：非 slab/vmalloc 内存 [ 0.000000] 寄存器 r9 信息：slab kmalloc-192 起始 c1010000 指针偏移 92 大小 192 [ 0.000000] 寄存器 r10 信息：空指针 [ 0.000000] 寄存器 r11 信息：空指针 [ 0.000000] 寄存器 r12 信息：非分页内存 [ 0.000000] 进程交换器（pid：0，堆栈限制 = 0x(ptrval)） [ 0.000000] 堆栈：（0xc0e01f28 至 0xc0e02000） [ 0.000000] 1f20: c014b700 ffffffff c1800000 cfb9f200 00000000 c0e1c9f8 [ 0.000000] 1f40: c0e01f6c 00000000 00000001 c0e04284 00000001 00000001 c0e01f80 c0efd7e4 [ 0.000000] 1f60: 00000002 c0d0ff60 00000000 00000001 00000cc0 ffffffff 00000000 ffffffec [ 0.000000] 1f80: 00000000 00000000 00000000 c0efc000 c0f292a4 c0e04240 00000000 ffffffff [ 0.000000] 1fa0: cfdffc00 c0d00f24 ffffffff ffffffff 00000000 c0d006e0 c0e08040 00000000 [ 0.000000] 1fc0: 00000000 c0d44a64 00000000 00000000 00000000 c0d00420 00000051 10c0387d [ 0.000000] 1fe0: 00000000 8cf02000 413fc082 10c5387d 00000000 00000000 00000000 00000000 [ 0.000000] 从 workqueue_init_early+0x174/0x290 分配工作队列 [ 0.000000] workqueue_init_early 来自 start_kernel+0x48c/0x6b4 [ 0.000000] 从 0x0 开始启动内核 [ 0.000000] 代码：错误的 PC 值 [ 0.000000] ---[ 跟踪结束 00000000000000000 ]---[/quote] 您能否尝试使用相同的内核，但使用旧版的 U-boot，然后捕获并分享启动日志？ （无需重新编译，请使用上述内核和 DTB 中的旧版 U-boot 二进制文件） 问候， 维努ECTEhttps://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3942376Fri, 18 Sep 2026 04:07:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:518cfd1b-052b-42aa-9f00-e4243ea47db1shaohua xiong=> tftp 0x80008000 zImage link up on port 0, speed 1000, full duplex Using ethernet@4a100000 device TFTP from server 192.168.0.10; our IP address is 192.168.0.1 Filename 'zImage'. Load address: 0x80008000 Loading: ################################################## 5.6 MiB 1.4 MiB/s done Bytes transferred = 5902848 (5a1200 hex) => tftp 0x8b000000 am335x-evm.dtb link up on port 0, speed 1000, full duplex Using ethernet@4a100000 device TFTP from server 192.168.0.10; our IP address is 192.168.0.1 Filename 'am335x-evm.dtb'. Load address: 0x8b000000 Loading: ################################################## 67.9 KiB 652.3 KiB/s done Bytes transferred = 69492 (10f74 hex) => bootz 0x80008000 - 0x8b000000 Kernel image @ 0x80008000 [ 0x000000 - 0x5a1200 ] ## Flattened Device Tree blob at 8b000000 Booting using the fdt blob at 0x8b000000 Working FDT set to 8b000000 Loading Device Tree to 8cf02000, end 8cf15f73 ... OK Working FDT set to 8cf02000 Starting kernel ... C:0x800090A0-0x805A9200->0x80EFC200-0x8149C360 Uncompressing Linux... done, booting the kernel. [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 6.1.46-ti-gbbfe7dc461b4 (oe-user@oe-host) (arm-openbmc-linux-gnueabi-gcc (GCC) 15.2.0, GNU ld (GNU Binutils) 2.46) #1 PREEMPT Mon Aug 31 18:01:53 CST 2026 [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: TI AM335x EVM [ 0.000000] earlycon: ns16550a0 at MMIO32 0x44e09000 (options '') [ 0.000000] printk: bootconsole [ns16550a0] enabled [ 0.000000] Memory policy: Data cache writeback [ 0.000000] efi: UEFI not found. [ 0.000000] cma: Reserved 64 MiB at 0x88800000 [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x0000000080000000-0x000000008fdfffff] [ 0.000000] HighMem empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080000000-0x000000008fdfffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x000000008fdfffff] [ 0.000000] CPU: All CPU(s) started in SVC mode. [ 0.000000] AM335X ES2.1 (neon) [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 64516 [ 0.000000] Kernel command line: earlycon=ns16550a,mmio32,0x44e09000 console=ttyO0,115200n8 loglevel=8 root=/dev/ram0 rw [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes, linear) [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 177248K/260096K available (9216K kernel code, 1005K rwdata, 2364K rodata, 1024K init, 282K bss, 17312K reserved, 65536K cma-reserved, 0K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] trace event string verifier disabled [ 0.000000] 8 ] lr : [ ] psr: 60000093 [ 0.000000] sp : c0e01f28 ip : ffffffff fp : 00000000 [ 0.000000] r10: 00000000 r9 : c101005c r8 : c0efd7e4 [ 0.000000] r7 : c1010008 r6 : c1010010 r5 : c0efd6c8 r4 : c1010000 [ 0.000000] r3 : c0e08040 r2 : 00000000 r1 : 00000000 r0 : c1010010 [ 0.000000] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none [ 0.000000] Control: 10c5387d Table: 80004019 DAC: 00000051 [ 0.000000] Register r0 information: slab kmalloc-192 start c1010000 pointer offset 16 size 192 [ 0.000000] Register r1 information: NULL pointer [ 0.000000] Register r2 information: NULL pointer [ 0.000000] Register r3 information: non-slab/vmalloc memory [ 0.000000] Register r4 information: slab kmalloc-192 start c1010000 pointer offset 0 size 192 [ 0.000000] Register r5 information: non-slab/vmalloc memory [ 0.000000] Register r6 information: slab kmalloc-192 start c1010000 pointer offset 16 size 192 [ 0.000000] Register r7 information: slab kmalloc-192 start c1010000 pointer offset 8 size 192 [ 0.000000] Register r8 information: non-slab/vmalloc memory [ 0.000000] Register r9 information: slab kmalloc-192 start c1010000 pointer offset 92 size 192 [ 0.000000] Register r10 information: NULL pointer [ 0.000000] Register r11 information: NULL pointer [ 0.000000] Register r12 information: non-paged memory [ 0.000000] Process swapper (pid: 0, stack limit = 0x(ptrval)) [ 0.000000] Stack: (0xc0e01f28 to 0xc0e02000) [ 0.000000] 1f20: c014b700 ffffffff c1800000 cfb9f200 00000000 c0e1c9f8 [ 0.000000] 1f40: c0e01f6c 00000000 00000001 c0e04284 00000001 00000001 c0e01f80 c0efd7e4 [ 0.000000] 1f60: 00000002 c0d0ff60 00000000 00000001 00000cc0 ffffffff 00000000 ffffffec [ 0.000000] 1f80: 00000000 00000000 00000000 c0efc000 c0f292a4 c0e04240 00000000 ffffffff [ 0.000000] 1fa0: cfdffc00 c0d00f24 ffffffff ffffffff 00000000 c0d006e0 c0e08040 00000000 [ 0.000000] 1fc0: 00000000 c0d44a64 00000000 00000000 00000000 c0d00420 00000051 10c0387d [ 0.000000] 1fe0: 00000000 8cf02000 413fc082 10c5387d 00000000 00000000 00000000 00000000 [ 0.000000] alloc_workqueue from workqueue_init_early+0x174/0x290 [ 0.000000] workqueue_init_early from start_kernel+0x48c/0x6b4 [ 0.000000] start_kernel from 0x0 [ 0.000000] Code: bad PC value [ 0.000000] ---[ end trace 0000000000000000 ]--- [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! [ 0.000000] ---[ end Kernel panic - not syncing: Attempted to kill the idle task! ]---https://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3942375Fri, 18 Sep 2026 04:06:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:535b4316-cd79-4f1f-bac5-06d7f1d25c3ashaohua xiong=> mtest 0x80000000 0x8cffffff 0x0 10 Testing 80000000 ... 8cffffff: Pattern FFFFFFFF Writing... Reading...Iteration: 16 Tested 16 iteration(s) with 0 errors.https://e2echina.ti.com/support/processors/f/processors-forum/1094071/am5728-am5728-ieee1588/3942374Fri, 18 Sep 2026 03:45:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:fa3b7f13-83ae-4e5d-b6b9-b94469824728chen geng哦，看到了，在drv文件夹下面，我先看看代码，有搞不懂的再来请教，谢谢https://e2echina.ti.com/support/processors/f/processors-forum/1094071/am5728-am5728-ieee1588/3942373Fri, 18 Sep 2026 03:42:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:27950038-593d-4455-a7c7-cc37aeafbca4chen gengcptsEventExample/ cptsTsCmpExample/,这两个应用示例，是在PDK的路径里面吗，我找了，没看到有呢https://e2echina.ti.com/support/processors/f/processors-forum/1095260/tms320f28388d-f28388d/3942370Fri, 18 Sep 2026 03:31:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:ac193be1-5934-4e4a-8f40-b8edc88481d9Vivian Gao以官网最新数据手册为准。 www.ti.com.cn/.../tms320f28388d.pdfhttps://e2echina.ti.com/support/processors/f/processors-forum/1095260/tms320f28388d-f28388d/3942369Fri, 18 Sep 2026 02:55:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:dce77296-1cf7-4aed-a3f9-cf46243b4a6aVivian Gao感谢您关注TI产品。我们正在核实您的问题，请耐心等待我们的回复。https://e2echina.ti.com/support/processors/f/processors-forum/1095260/tms320f28388d-f28388dFri, 18 Sep 2026 01:54:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:be18b004-e047-4765-8ac1-2045a4579430ha yangPart Number: TMS320F28388D F28388D对上电时序有要求吗？如何控制F28388D的上电时序？数据手册和官方demo以及论坛上的回复上的表现不一致。TMS320F28388D机器人https://e2echina.ti.com/support/processors/f/processors-forum/1094071/am5728-am5728-ieee1588/3941569Thu, 17 Sep 2026 16:38:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:5b42d651-0b7d-4bfc-af3d-b479592910b8Josue Zamitiz-Ayala没错，Linux 明确支持这一点，但 RTOS 则没有明确支持。 查看 RTOS SDK，你会找到一些所需的工具。 请查看： CSL 头文件和 API：csl_cpts.h、csl_cptsAux.h 和 cslr_cpts 中的寄存器定义。 两个应用示例： CPTS 事件处理 (cptsEventExample/) - 演示如何通过以太网交换机处理 IEEE 1588 事件包和生成 CPTS 事件。 CPTS 时间戳比较 (cptsTsCmpExample/) - 显示时间戳比较事件、TS_COMP 输出脉冲生成以及使用 NUDGE 进行相位调整 您还可以通过 RTOS SDK 进行了解： https://software-dl.ti.com/processor-sdk-rtos/esd/AM57X/11_01_00_00/exports/docs/rtos/index_Foundational_Components.html#timesync-ptp 最好的， 约书亚ECTEhttps://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3941568Thu, 17 Sep 2026 11:53:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:0a59c704-82c9-44cc-8f56-101fce2de068Vinuchandran A V你好， 这很奇怪。请分享日志。2025 Uboot 中的 DDR 配置是否正确？ 另外，您能否运行此命令并分享 U-boot 的输出结果？ mtest 0x80000000 0x8fffffff 0 10 此外，为了进一步调试， CONFIG_DEBUG_LL + CONFIG_DEBUG_UNCOMPRESS + CONFIG_EARLY_PRINTK 建议启用内核重建功能。 请分享内核重建启动后的日志。 问候， 维努ECTEhttps://e2echina.ti.com/support/processors/f/processors-forum/1094071/am5728-am5728-ieee1588/3941553Thu, 17 Sep 2026 06:38:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:752bb6a6-4e23-42a7-9c0b-8b72f5a00a46chen geng看了你发的资料链接，基本都是linux环境下的，我看了电脑上安装的RTOS的PDK，里面只有EMAC和CPSW的一些源码，没有关于PTP、CPTS方面的，TI没有提供裸机或者说是RTOS的PTP相关资料吗。https://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3941400Thu, 17 Sep 2026 00:58:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:dcf7d510-df44-48cd-93b1-aa8942209e37shaohua xiong我试过了用bootz 命令分开启动， 也是一样的情况，我们板子用的是EM6GD16EWBH-12H ddrhttps://e2echina.ti.com/support/processors/f/processors-forum/1094071/am5728-am5728-ieee1588/3940607Wed, 16 Sep 2026 17:44:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:f4c63c18-7758-43b7-9589-fb6a375d55dbJosue Zamitiz-Ayala你好 ？， SDK 页面上还有一些其他信息，网址是 https://software-dl.ti.com/processor-sdk-linux/esd/AM57X/11_01_02_01/exports/docs/linux/Foundational_Components/Kernel/Kernel_Drivers/Network/CPSW.html#common-platform-time-sync-cpts-module 。 还有一些其他现有的主题 AM5728：AM572x-IDK 中的 IEEE 1588 PTP 时间同步 。 该协议使用 ptp4l 提供支持。请查看最新 SDK 中的源代码以获取更多指导。 快速入门： 文件 目的 drivers/net/ethernet/ti/cpts.c CPTS驱动程序 - PTP时钟注册、TX/RX时间戳、FIFO事件处理 drivers/net/ethernet/ti/cpts.h CPTS寄存器布局（cpsw_cpts）、事件类型、rftclk_sel字段 drivers/net/ethernet/ti/icssm/icssm_prueth_ptp.h PRU-ICSS 共享内存偏移量，用于 PTP 时间戳（每个端口和消息类型的 TX/RX） 驱动程序/net/ethernet/ti/icssg/icss_iep.c IEP（工业以太网外设）驱动程序 - 64 位计数器、PTP 时钟操作、捕获/比较 驱动程序/net/ethernet/ti/icssg/icss_iep.h IEP寄存器枚举，平台数据结构 拱门/arm/boot/dts/ti/omap/am57-pruss.dtsi PRU-ICSS1/2 设备树 - IEP 节点位于 0x4b2e000，IEP 时钟多路复用器源 拱/臂/启动/dts/ti/omap/dra7-l4.dtsi:3120 CPSW 下的 CPTS 子节点 - 时钟源为 gmac_clkctrl 位 25 drivers/clk/ti/clk-7xx.c:446 dra7_gmac_rft_clk_mux_parents - 列出所有有效的 CPTS 参考时钟源 arch/arm/boot/dts/ti/omap/am57xx-idk-common.dtsi 板级 pruss2_iep 绑定，带中断功能，用于 IEP 捕获/比较 -约书亚ECTEhttps://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3940549Wed, 16 Sep 2026 11:14:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:edabf64b-310c-4e00-87d0-c73a8111380bVinuchandran A V你好， 你使用的DDR内存和参考EVM中的内存一样吗？ 您能否尝试像我一样直接使用内核和 DTS 启动，而不是使用 fitImage（最好不使用 initramfs）？ 问候， 维努ECTEhttps://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3940548Wed, 16 Sep 2026 11:05:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:6676a7dd-6f1e-424d-ae3f-1970f4dee86dshaohua xiong这会是哪些情况会导致的，这样的问题？https://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3940546Wed, 16 Sep 2026 10:48:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:30898c7c-b793-4778-8c3c-252e30af80c7shaohua xiong参考evm，定制的https://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3940545Wed, 16 Sep 2026 10:44:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:25b38228-04a2-43a0-b7f3-835ff4cbb2bcVinuchandran A V你好， [quote userid="678328" url="~/support/processors-group/processors---internal/f/processors---internal-forum/1681003/am3352-upgrading-u-boot-from-sdk-2017-to-2026-booting-the-same-fitimage-the-new-u-boot-2026-displays-the-starting-kernel-error/6479220"] 这是定制硬件还是EVM？ [/引用] 请问这是否是定制电路板？ 问候， 维努 [/quote]ECTEhttps://e2echina.ti.com/support/processors/f/processors-forum/1093455/am3352-uboot-sdk-2017-2026-fitimage-uboot-2026-starting-kernel/3940544Wed, 16 Sep 2026 09:56:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:c97f9eb5-78ff-4a6b-b7d6-e9ea7ee950d1shaohua xiongU-Boot 2025.01-00800-g1612e4d1deb1-dirty (Jun 11 2026 - 13:10:21 +0000) CPU : AM335X-GP rev 2.1 Model: TI AM335x EVM DRAM: 256 MiB Core: 154 devices, 16 uclasses, devicetree: separate NAND: 256 MiB MMC: Loading Environment from nowhere... OK Net: eth2: ethernet@4a100000 Hit any key to stop autoboot: 0 => => => tftp 0x83000000 fitImage-ti-am3352-m1 link up on port 0, speed 1000, full duplex Using ethernet@4a100000 device TFTP from server 192.168.0.10; our IP address is 192.168.0.1 Filename 'fitImage-ti-am3352-m1'. Load address: 0x83000000 Loading: ################################################## 7.7 MiB 1.7 MiB/s done Bytes transferred = 8082012 (7b525c hex) => bootm 0x83000000 ## Loading kernel from FIT Image at 83000000 ... Using 'conf-1' configuration Verifying Hash Integrity ... OK Trying 'kernel-1' kernel subimage Description: Linux Kernel Created: 2011-04-05 23:00:00 UTC Type: Kernel Image Compression: uncompressed Data Start: 0x830000c8 Data Size: 5902848 Bytes = 5.6 MiB Architecture: ARM OS: Linux Load Address: 0x80200000 Entry Point: 0x80200000 Hash algo: sha256 Hash value: dbc1b7373ca439fe70850915362be5991d21580c810c08f430ae67eaa0a65bea Verifying Hash Integrity ... sha256+ OK ## Loading ramdisk from FIT Image at 83000000 ... Using 'conf-1' configuration Verifying Hash Integrity ... OK Trying 'ramdisk-1' ramdisk subimage Description: Ramdisk Image Created: 2011-04-05 23:00:00 UTC Type: RAMDisk Image Compression: uncompressed Data Start: 0x835b2420 Data Size: 2108265 Bytes = 2 MiB Architecture: ARM OS: Linux Load Address: 0x82000000 Entry Point: 0x82000000 Hash algo: sha256 Hash value: f2adcb28abc8db029d08a70b44922d17181ef12d965b85a1aaa959d4058625e6 Verifying Hash Integrity ... sha256+ OK Loading ramdisk from 0x835b2420 to 0x82000000 ## Loading fdt from FIT Image at 83000000 ... Using 'conf-1' configuration Verifying Hash Integrity ... OK Trying 'fdt-1' fdt subimage Description: Flattened Device Tree blob Created: 2011-04-05 23:00:00 UTC Type: Flat Device Tree Compression: uncompressed Data Start: 0x835a13c8 Data Size: 69492 Bytes = 67.9 KiB Architecture: ARM Load Address: 0x80f80000 Hash algo: sha256 Hash value: 3b30b3c50dba18c3b088225c3374a4f4374cbda9a2054c796b1f6eadfb2cb817 Verifying Hash Integrity ... sha256+ OK Loading fdt from 0x835a13c8 to 0x80f80000 Booting using the fdt blob at 0x80f80000 Working FDT set to 80f80000 Loading Kernel Image to 80200000 Loading Ramdisk to 8cd13000, end 8cf15b69 ... OK Loading Device Tree to 8ccff000, end 8cd12f73 ... OK Working FDT set to 8ccff000 Starting kernel ...