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On 11/1/26 1:58 PM, Christian Zigotzky wrote: Yes, I can help with testing. - - - Thanks Christian. - - - Hi all, Ever since we enabled PREEMPT on our Nemo boards [1], we have been experienc= ing occasional problems with the kernel stack. Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: s= rcu_gp_start_if_needed+0x534/0x538 Rebooting in 180 seconds.. We are using the following patches: [2] [3] We have disabled PREEMPT with a patch [4] again, and since then our Nemo boa= rds have been running perfectly once more. As the problem with the kernel stack only occurs sporadically, bisection is i= mpossible. I hope you can fix the kernel stack issue. Thanks, Christian [1] https://en.wikipedia.org/wiki/AmigaOne_X1000 [2] https://raw.githubusercontent.com/chzigotzky/kernels/refs/heads/main/pat= ches/X1000/preempt_v1.patch [3] https://raw.githubusercontent.com/chzigotzky/kernels/refs/heads/main/pat= ches/X1000/kvm_powerpc.patch [4] https://raw.githubusercontent.com/chzigotzky/kernels/refs/heads/main/pat= ches/X1000/Kconfig.preempt.patch [5] Kernel config: https://raw.githubusercontent.com/chzigotzky/kernels/31c0= 64092e3aab0875c47d44838443c9515b2970/configs/x1000_defconfig