Recently I faced “Kernel Failure in previous boot” in my Mikrotik 1072 Cloud core Router
I suffered 4 days and take some steps consist with 3 part.After 3rd part I am getting problem solved
First Day Steps:
Rebooted with showing Massage “Kernel Failure in previous boot”. After 1st reboot, again it rebooted every 4 hours
Taken Action:
- Memory make limited for cache
- Disable All Nat Rule
- Disable All Filter Rule
- Upgraded to latest OS 6.44.2
- Used secondary Power supply
- Change SFP port Negations Auto To manual
After taking those action routers Was not rebooted for next
24 hours
2nd Day Steps:
Rebooted on 7.56 am then rebooted 12.00 Pm (apx) Then rebooted
4.00 pm (Apx)
Taken Action:
- 1. Change 10 SFP
- 2. OS Downgraded to 6.40.6 (long term)
- 3. Activate dual Power supply
- 4. Clean all schedule
- 5. Clean All Scrips
After That router was rebooted 3.56 am (12 hours later)
3rd Day Steps:
Then its Confirmed that taking reboot in every 4 hour(apx)
Common time 8 am
Taken Action
- Removed 2 SFP From Router*
- Delete everything from Files
- Disable TR069 Client
- Disable Watchdog timer
After Those Action I am not getting any “Kernel Failure in
previous boot” Reboot
My problem is Solved
Suggestion :Please remove (extra hardware )* From mikrotik and delete (everythings)** from files
Thanks
*1G SFT Used in 10G port,10G Port negotiated manually in 1G .
**There can be scripts to reboot in every 4 hours.”Kernel Failure in previous boot” maybe fake massage
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