December 4, 20223 yr Hello! After upgrading to version 6.11.5 the system stopped booting. There are two variants of the booting problem: 1. kernel panic - unable to access opcode bytes at rip 2. rcu_sched detected stalls on cpus/tasks - unless rcu_preempt kthread gets sufficient cpu time My configuration: core i5 6500 asus h110-m motherboard 16 Gb RAM Tried to create a new flash - the result is identical (disconnected all drives). no overclocking, in the bios disabled all power saving settings and turbo bust, etc. got a couple of successful launches after manually setting CPU frequency to 3 GHz. 6.10.3 - working stably, but it constantly has problems with plugin updates (Checking connectivity... No response, aborting!) and Status "not available". Please help. If you need any diagnostic information, tell me the path and file name. Thank you! I use translator. Edited December 4, 20223 yr by Reveral
December 5, 20223 yr Community Expert 13 hours ago, Reveral said: Tried to create a new flash - the result is identical (disconnected all drives). Was this a different flash drive with a stock Unraid install?
December 6, 20223 yr Author On 12/5/2022 at 1:20 PM, JorgeB said: Was this a different flash drive with a stock Unraid install? Yes, clear installation.
December 7, 20223 yr Community Expert That suggests some compatibility issue, which would be pretty strange with that board, which released were you upgrading from?
December 9, 20223 yr Author I upgraded from version 6.10.3 actions in order: 1. updated to 6.11.5 - got a brick 2. Restored from backup to 6.10.3 - successfully working 3. Tested the memory and tested the other OS started successfully. 4. created a new flash drive with USB Creator - tried many options for the bios settings - one time start (after reboot failed to boot more). 5. I returned the flash drive with 6.10.3 - it works on it. Read several threads of different forums, found very similar symptoms. The problem turned out to be in kernel.
December 13, 20223 yr Community Expert Just tried with a same model board and had no issues booting v6.11.5, both CSM and UEFI, CPU is not the same but unlikely that would cause issues, BIOS is 3408 if you want to try updating, also try without any add-on cards if it still doesn't boot.
January 17, 20233 yr Author went back to trying to update the OS I reset the bios, disconect the SATA controller, changed the memory, created a new flash drive - didn't boot. disabled c-states, enabled virtualization and vt-d - booted successfully. returned the memory and controller - booted successfully. updated the system from a working configuration - booted successfully. all of these procedures have been done many times, i don't understand what the problem was.
August 1, 20232 yr Author On 12/13/2022 at 8:19 PM, JorgeB said: Just tried with a same model board and had no issues booting v6.11.5, both CSM and UEFI, CPU is not the same but unlikely that would cause issues, BIOS is 3408 if you want to try updating, also try without any add-on cards if it still doesn't boot. Greetings! I tried to update the system to the last version and on all systems above 6.11.5 got kernel panic on boot. tried a clean install, new flash, etc. - The result is the same. in the end I changed the processor and everything worked on any version OLD CPU i5 6500 new CPU i5 7500 the problem was in the cpu
August 1, 20232 yr Community Expert 30 minutes ago, Reveral said: new CPU i5 7500 That's the same one I have, so possible some issue with these boards/BIOS and a 6th gen CPU.
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