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Hi
I have observed the board is restting continiouly after enabling in defconfig in kernel.
CONFIG_OMAP_WATCHDOG=y
If we make as "m" board will not reboot cintiniously.
suppose if we as Y Controller reboots continiously..
Please provide the inputs how to over come this .
we are using SDK 8.2.0.24..
Andreas Dannenberg Prashant Shivhare Request to please comment on the same
CONFIG_OMAP_WATCHDOG=y
If we make as "m" board will not reboot cintiniously.
suppose if we as Y Controller reboots continiously..
Is this the only change you made to the SDK Kernel default configuration?
Also can you provide a complete time-stamped boot log?
Regards, Andreas
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 5.10.100-g7a7a3af903 (oe-user@oe-host) (arm-none-linux-gnueabihf-gcc (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10)) 9.2.1 20191025, GNU ld (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10)) 2.33.1.20191209) #1 PREEMPT Fri Apr 14 07:10:30 UTC 2023
[ 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] Memory policy: Data cache writeback
[ 0.000000] efi: UEFI not found.
[ 0.000000] cma: Reserved 48 MiB at 0xbd000000
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000080000000-0x00000000afefffff]
[ 0.000000] HighMem [mem 0x00000000aff00000-0x00000000bfffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000080000000-0x00000000afefffff]
[ 0.000000] node 0: [mem 0x00000000b0000000-0x00000000bfffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x00000000bfffffff]
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] AM335X ES2.1 (neon)
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260162
[ 0.000000] Kernel command line: console=ttyO0,115200n8 root=PARTUUID=9df459b7-02 rw rootfstype=ext4 rootwait
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] Memory: 970656K/1047552K available (11264K kernel code, 711K rwdata, 3664K rodata, 1024K init, 310K bss, 27744K reserved, 49152K cma-reserved, 212992K highmem)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 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] random: get_random_bytes called from start_kernel+0x30c/0x4c8 with crng_init=0
[ 0.000000] TI gptimer clocksource: always-on /ocp/interconnect@44c00000/segment@200000/target-module@31000
[ 0.000022] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[ 0.000069] clocksource: dmtimer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[ 0.000904] TI gptimer clockevent: 24000000 Hz at /ocp/interconnect@48000000/segment@0/target-module@40000
[ 0.003704] Console: colour dummy device 80x30
[ 0.003783] WARNING: Your 'console=ttyO0' has been replaced by 'ttyS0'
[ 0.003806] This ensures that you still see kernel messages. Please
[ 0.003824] update your kernel commandline.
[ 0.003942] Calibrating delay loop... 298.59 BogoMIPS (lpj=1492992)
[ 0.070991] pid_max: default: 32768 minimum: 301
[ 0.071422] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[ 0.071475] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[ 0.073444] CPU: Testing write buffer coherency: ok
[ 0.073593] CPU0: Spectre v2: using BPIALL workaround
[ 0.075443] Setting up static identity map for 0x80100000 - 0x80100060
[ 0.075804] rcu: Hierarchical SRCU implementation.
[ 0.076028] EFI services will not be available.
[ 0.076844] devtmpfs: initialized
[ 0.110707] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[ 0.111407] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.111468] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[ 0.118534] pinctrl core: initialized pinctrl subsystem
[ 0.120536] DMI not present or invalid.
[ 0.121774] NET: Registered protocol family 16
[ 0.127064] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.155153] l3-aon-clkctrl:0000:0: failed to disable
[ 0.158016] thermal_sys: Registered thermal governor 'fair_share'
[ 0.158043] thermal_sys: Registered thermal governor 'bang_bang'
[ 0.158077] thermal_sys: Registered thermal governor 'step_wise'
[ 0.158100] thermal_sys: Registered thermal governor 'user_space'
[ 0.158815] cpuidle: using governor ladder
[ 0.158910] cpuidle: using governor menu
[ 2.561019] random: fast init done
[ 3.604073] No ATAGs?
[ 3.604130] hw-breakpoint: debug architecture 0x4 unsupported.
[ 3.679570] iommu: Default domain type: Translated
[ 3.685927] SCSI subsystem initialized
[ 3.687222] mc: Linux media interface: v0.10
[ 3.687338] videodev: Linux video capture interface: v2.00
[ 3.687616] pps_core: LinuxPPS API ver. 1 registered
[ 3.687644] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 3.687708] PTP clock support registered
[ 3.687860] EDAC MC: Ver: 3.0.0
[ 3.690523] Advanced Linux Sound Architecture Driver Initialized.
[ 3.693906] clocksource: Switched to clocksource dmtimer
[ 3.714824] NET: Registered protocol family 2
[ 3.715415] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 3.718362] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 3.718461] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
[ 3.718696] TCP bind hash table entries: 8192 (order: 3, 32768 bytes, linear)
[ 3.718915] TCP: Hash tables configured (established 8192 bind 8192)
[ 3.719219] UDP hash table entries: 512 (order: 1, 8192 bytes, linear)
[ 3.719303] UDP-Lite hash table entries: 512 (order: 1, 8192 bytes, linear)
[ 3.719603] NET: Registered protocol family 1
[ 3.720823] RPC: Registered named UNIX socket transport module.
[ 3.720864] RPC: Registered udp transport module.
[ 3.720886] RPC: Registered tcp transport module.
[ 3.720907] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 3.723477] PCI: CLS 0 bytes, default 64
[ 3.725554] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[ 3.728607] Initialise system trusted keyrings
[ 3.729208] workingset: timestamp_bits=14 max_order=18 bucket_order=4
[ 3.740108] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 3.742904] NFS: Registering the id_resolver key type
[ 3.743021] Key type id_resolver registered
[ 3.743048] Key type id_legacy registered
[ 3.743282] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 3.743316] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[ 3.743412] ntfs: driver 2.1.32 [Flags: R/O].
[ 3.745084] Key type asymmetric registered
[ 3.745133] Asymmetric key parser 'x509' registered
[ 3.745290] bounce: pool size: 64 pages
[ 3.745414] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244)
[ 3.745446] io scheduler mq-deadline registered
[ 3.745470] io scheduler kyber registered
[ 4.127469] ti-sysc 44e07000.target-module: dts flag should be at module level for ti,no-reset-on-init
[ 4.883626] omap-mailbox 480c8000.mailbox: omap mailbox rev 0x400
[ 5.208855] debugfs: Directory '49000000.dma' with parent 'dmaengine' already present!
[ 5.208942] edma 49000000.dma: TI EDMA DMA engine driver
[ 5.245599] pinctrl-single 44e10800.pinmux: 142 pins, size 568
[ 5.392693] Serial: 8250/16550 driver, 10 ports, IRQ sharing enabled
[ 5.404563] 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 20, base_baud = 3000000) is a 8250
[ 6.104549] printk: console [ttyS0] enabled
[ 6.113213] 48024000.serial: ttyS2 at MMIO 0x48024000 (irq = 26, base_baud = 3000000) is a 8250
[ 6.126755] 481a6000.serial: ttyS3 at MMIO 0x481a6000 (irq = 37, base_baud = 3000000) is a 8250
[ 6.139584] 481a8000.serial: ttyS4 at MMIO 0x481a8000 (irq = 38, base_baud = 3000000) is a 8250
[ 6.156557] omap_rng 48310000.rng: Random Number Generator ver. 20
[ 6.164503] random: crng init done
[ 6.219840] brd: module loaded
[ 6.240361] loop: module loaded
[ 6.272357] cpsw 4a100000.ethernet: No slave[1] phy_id, phy-handle, or fixed-link property
[ 6.281018] cpsw 4a100000.ethernet: initialized cpsw ale version 1.4
[ 6.287589] cpsw 4a100000.ethernet: ALE Table size 1024
[ 6.293058] cpsw 4a100000.ethernet: cpts: overflow check period 500 (jiffies)
[ 6.300503] cpsw 4a100000.ethernet: Detected MACID = 98:5d:ad:e9:1e:4c
[ 6.313096] i2c /dev entries driver
[ 6.322719] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[ 6.334495] cpu cpu0: dev_pm_opp_set_rate: failed to find current OPP for freq 600000000 (-34)
[ 6.343365] cpufreq: cpufreq_online: CPU0: Running at unlisted initial frequency: 600000 KHz, changing to: 300000 KHz
[ 6.354979] cpuidle: enable-method property 'ti,am3352' found operations
[ 6.364819] sdhci: Secure Digital Host Controller Interface driver
[ 6.371096] sdhci: Copyright(c) Pierre Ossman
[ 6.381887] sdhci-pltfm: SDHCI platform and OF driver helper
[ 6.408239] ledtrig-cpu: registered to indicate activity on CPUs
[ 6.417808] sdhci-omap 481d8000.mmc: supply vqmmc not found, using dummy regulator
[ 6.429670] sdhci-omap 47810000.mmc: supply vqmmc not found, using dummy regulator
[ 6.505414] NET: Registered protocol family 10
[ 6.516275] Segment Routing with IPv6
[ 6.520523] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 6.547131] NET: Registered protocol family 17
[ 6.552829] Key type dns_resolver registered
[ 6.576141] omap_voltage_late_init: Voltage driver support not added
[ 6.594854] Loading compiled-in X.509 certificates
[ 6.641262] mmc1: SDHCI controller on 481d8000.mmc [481d8000.mmc] using External DMA
[ 6.684435] OMAP GPIO hardware version 0.1
[ 6.715817] mmc1: new high speed MMC card at address 0001
[ 6.725488] mmcblk1: mmc1:0001 W62704 3.53 GiB
[ 6.732838] mmcblk1boot0: mmc1:0001 W62704 partition 1 2.00 MiB
[ 6.739267] rtc rtc0: invalid alarm value: 2023-04-02T45:85:00
[ 6.746604] mmcblk1boot1: mmc1:0001 W62704 partition 2 2.00 MiB
[ 6.754172] rtc-pcf8563 2-0051: registered as rtc0
[ 6.759392] mmcblk1rpmb: mmc1:0001 W62704 partition 3 512 KiB, chardev (242:0)
[ 6.768107] rtc-pcf8563 2-0051: setting system clock to 2023-04-02T05:14:46 UTC (1680412486)
[ 6.784985] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 100 kHz
[ 6.785323] mmcblk1: p1 p2 p3 p4 < p5 p6 >
[ 6.820763] omap_reset_deassert: timedout waiting for gfx:0
[ 6.827042] ti-sysc: probe of 5600fe00.target-module failed with error -110
[ 6.837452] ksz8863 spi0.0: chip id 0x8831
[ 6.917603] ksz8863: 0xC6(198) ->0x2
[ 6.921508] ksz8863: 0xC6(198) ->0xA
[ 6.926416] genirq: Threaded irq requested with handler=NULL and !ONESHOT for spi0.0 (irq 59)
[ 6.935583] spi0.0: Can't get IRQ 59 (PHY)
[ 6.939751] No switch interrupt
[ 6.955219] omap_gpio 44e07000.gpio: Could not set line 6 debounce to 200000 microseconds (-22)
[ 6.971112] sdhci-omap 47810000.mmc: supply vqmmc not found, using dummy regulator
[ 6.987219] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 6.995971] sdhci-omap 48060000.mmc: Got CD GPIO
[ 7.001740] sdhci-omap 48060000.mmc: supply vqmmc not found, using dummy regulator
[ 7.062876] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 7.094427] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 7.103157] cfg80211: failed to load regulatory.db
[ 7.109621] ALSA device list:
[ 7.112670] No soundcards found.
[ 7.253437] mmc0: SDHCI controller on 48060000.mmc [48060000.mmc] using External DMA
[ 7.327069] mmc0: new high speed SDHC card at address aaaa
[ 7.332767] mmc2: SDHCI controller on 47810000.mmc [47810000.mmc] using External DMA
[ 7.344423] mmcblk0: mmc0:aaaa SL08G 7.40 GiB
[ 7.353022] sdhci-omap 47810000.mmc: card claims to support voltages below defined range
[ 7.367662] mmcblk0: p1
[ 7.437773] mmc2: new SDIO card at address 0001
[ 7.928801] EXT4-fs (mmcblk1p2): recovery complete
[ 7.935737] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data mode. Opts: (null)
[ 7.944341] VFS: Mounted root (ext4 filesystem) on device 179:2.
[ 7.950938] devtmpfs: mounted
[ 7.963365] Freeing unused kernel memory: 1024K
[ 7.971775] Run /sbin/init as init process
[ 8.278526] systemd[1]: systemd 229 running in system mode. (+PAM -AUDIT -SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP -LIBCRYPTSETUP -GCRYPT -GNUTLS +ACL +XZ -LZ4 -SECCOMP +BLKID -ELFUTILS +KMOD -IDN)
[ 8.299779] systemd[1]: Detected architecture arm.
Welcome to Arago 2016.12!
[ 8.346824] systemd[1]: Set hostname to root
[ 11.361840] systemd[1]: Listening on Journal Socket.
[ OK ] Listening on Journal Socket.
[ 11.415212] systemd[1]: Created slice System Slice.
[ OK ] Created slice System Slice.
[ 11.481019] systemd[1]: Starting Load Kernel Modules...
Starting Load Kernel Modules...
[ 11.526288] systemd[1]: Listening on udev Control Socket.
[ OK ] Listening on udev Control Socket.
[ 11.550810] systemd[1]: Created slice system-getty.slice.
[ OK ] Created slice system-getty.slice.
[ 11.605434] systemd[1]: Reached target Swap.
[ OK ] Reached target Swap.
[ 11.627028] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[ OK ] Started Forward Password Requests to Wall Directory Watch.
Mounting Temporary Directory...
Mounting Debug File System...
[ OK ] Listening on udev Kernel Socket.
Mounting POSIX Message Queue File System...
Starting Remount Root and Kernel File Systems...
[ OK ] Reached target Remote File Systems.
Starting Setup Virtual Console...
[ OK ] Listening on Journal Socket (/dev/log).
[ OK ] Listening on Syslog Socket.
[ 12.335340] EXT4-fs (mmcblk1p2): re-mounted. Opts: (null)
Starting Journal Service...
[ OK ] Started Dispatch Password Requests to Console Directory Watch.
[ OK ] Reached target Paths.
[ OK ] Created slice User and Session Slice.
[ OK ] Reached target Slices.
Starting Create Static Device Nodes in /dev...
[ OK ] Created slice system-serial\x2dgetty.slice.
[ OK ] Listening on Network Service Netlink Socket.
[ OK ] Listening on /dev/initctl Compatibility Named Pipe.
[ OK ] Mounted Debug File System.
[ OK ] Mounted POSIX Message Queue File System.
[ OK ] Mounted Temporary Directory.
[FAILED] Failed to start Load Kernel Modules.
See 'systemctl status systemd-modules-load.service' for details.
[ OK ] Started Remount Root and Kernel File Systems.
[ OK ] Started Setup Virtual Console.
[ OK ] Started Create Static Device Nodes in /dev.
[ 14.714326] systemd[1]: Started Journal Service.
[ OK ] Started Journal Service.
Starting udev Kernel Device Manager...
Starting Flush Journal to Persistent Storage...
[ OK ] Reached target Local File Systems (Pre).
Mounting /var/volatile...
Mounting /media/ram...
Starting udev Coldplug all Devices...
Mounting Configuration File System...
Starting Apply Kernel Variables...
[ OK ] Mounted Configuration File System.
[ OK ] Mounted /var/volatile.
[ OK ] Mounted /media/ram.
[ OK ] Started udev Kernel Device Manager.
[ OK ] Started Apply Kernel Variables.
[ 17.271268] systemd-journald[113]: Received request to flush runtime journal from PID 1
[ OK ] Started Flush Journal to Persistent Storage.
Starting Load/Save Random Seed...
[ OK ] Reached target Local File Systems.
Starting Create Volatile Files and Directories...
[ OK ] Started Load/Save Random Seed.
[ OK ] Started Create Volatile Files and Directories.
Starting Network Time Synchronization...
Starting Update UTMP about System Boot/Shutdown...
[ OK ] Started Network Time Synchronization.
[ OK ] Started Update UTMP about System Boot/Shutdown.
Starting Synchronize System and HW clocks...
[ OK ] Reached target System Time Synchronized.
[ OK ] Started Synchronize System and HW clocks.
[ OK ] Found device /dev/ttyS0.
[ OK ] Started udev Coldplug all Devices.
[ OK ] Reached target System Initialization.
[ OK ] Listening on D-Bus System Message Bus Socket.
[ OK ] Listening on Avahi mDNS/DNS-SD Stack Activation Socket.
[ OK ] Started Daily Cleanup of Temporary Directories.
[ OK ] Reached target Timers.
[ OK ] Listening on dropbear.socket.
[ OK ] Listening on RPCbind Server Activation Socket.
[ OK ] Reached target Sockets.
[ OK ] Reached target Basic System.
[ OK ] Started System Logging Service.
[ OK ] Started Kernel Logging Service.
Starting Login Service...
Starting Permit User Sessions...
[ OK ] Started A userspace daemon that run... under the eCryptfs mount point.
[ OK ] Started D-Bus System Message Bus.
Starting Network Service...
[ 37.605302] sw-ksz8863: disabling
[ 37.608768] vwl1271: disabling
Starting Avahi mDNS/DNS-SD Stack...
Starting Telephony service...
[ OK ] Started Permit User Sessions.
[ OK ] Started Network Service.
[ 43.494833] cpsw 4a100000.ethernet: initializing cpsw version 1.12 (0)
[ 43.595218] Generic PHY fixed-0:00: attached PHY driver [Generic PHY] (mii_bus:phy_addr=fixed-0:00, irq=POLL)
[ 43.723685] libphy: PHY not found
[ 43.764398] cpsw 4a100000.ethernet: phy "" not found on slave 1, err -19
[ 43.951360] cpsw 4a100000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off
[ 44.020970] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ OK ] Started Avahi mDNS/DNS-SD Stack.
[ OK ] Started Telephony service.
[ OK ] Started Login Service.
[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
[ OK ] Reached target Network.
Starting Network Name Resolution...
Starting Lightning Fast Webserver With Light System Requirements...
Starting LLDP daemon...
[ OK ] Started 24VDC SEM3 Controller startup service.
Starting Network Time Service...
[ OK ] Started Serial Getty on ttyS0.
[ OK ] Started Getty on tty1.
[ OK ] Started LLDP daemon.
[ OK ] Started Lightning Fast Webserver With Light System Requirements.
[ OK ] Started Network Time Service.
[ OK ] Started Network Name Resolution.
_____ _____ _ _
| _ |___ ___ ___ ___ | _ |___ ___ |_|___ ___| |_
| | _| .'| . | . | | __| _| . | | | -_| _| _|
|__|__|_| |__,|_ |___| |__| |_| |___|_| |___|___|_|
|___| |___|
Arago Project http://arago-project.org ttyS0
ogin: root
Password:
~# [ 85.477362] EXT4-fs (mmcblk1p6): mounted filesystem with ordered data mode. Opts: (null)
[ 86.310487] cpsw 4a100000.ethernet eth0: Link is Down
# [ 97.737383] cpsw 4a100000.ethernet: initializing cpsw version 1.12 (0)
[ 97.750468] Generic PHY fixed-0:00: attached PHY driver [Generic PHY] (mii_bus:phy_addr=fixed-0:00, irq=POLL)
[ 97.773003] cpsw 4a100000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off
[ 97.782157] libphy: PHY not found
[ 97.786383] cpsw 4a100000.ethernet: phy "" not found on slave 1, err -19
[ 97.869502] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
~# [ 133.903550] watchdog: watchdog0: watchdog did not stop!
~#
I am seeing above log will it be related to internal module ?
I don't have access to AM335x HW at the moment so I need your help to do some basic checks:
When you build your system using CONFIG_OMAP_WATCHDOG=m (your working scenario) I'm curios if the watchdog is even up and running in that case:
I know previously it was working/enabled (see https://e2e.ti.com/support/processors-group/processors/f/processors-forum/915088/am3352-watchdog-timer-in-linux/3381558#3381558) but I want to double check about SDK v8.2.
Regards, Andreas
Andreas Dannenberg can you please help on this
This will need somebody to re-create this on AM335x HW so I assigned this to a colleague for follow-up. Will be back in touch soon.
Thanks Andreas Dannenberg please let me know if there are any other config's to be added in defconfig related to watchdog..or any other changes
awating for your reply 
Hi Manu,
On my setup, I tired the following configuration "CONFIG_OMAP_WATCHDOG=y" and I do not see any issues. Upon boot, I see the following message from the driver: [ 3.690732] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec. Also, if the module is built as part of Kernel, lsmod will not list the module. My recommendation would be to run the following command to ensure omap_watchdog is actually part of Kernel:
root@am335x-evm:~# cat /lib/modules/5.10.100-g7a7a3af903/modules.builtin | grep -i omap_wdt
kernel/drivers/watchdog/omap_wdt.ko
From the driver and SDK 8.02 perspective, I do not see any bugs based on the experiment that I performed above. I have also attached my Kernel config as a reference.
Regards,
Krunal
Krunal Bhargav345758.defconfig.txt pleasefind the defconfig which i am using please check from your side.. wether its fine
Hello,
1. Based on the defconfig, I do not see any major differences between your setup and mine.
2. Did you confirm the following:
root@am335x-evm:~# cat /lib/modules/5.10.100-g7a7a3af903/modules.builtin | grep -i omap_wdt
kernel/drivers/watchdog/omap_wdt.ko
3. In your debug log, I see "Welcome to Arago 2016.12!" BUT sdk 8.02 is based on Arago 2021.09. Are you not using the default filesystem that comes with SDK 8.02?
4. Do you have a AM335x EVM and have you tried running the latest SDK?
Regards,
Krunal
