On Fri, 04 Nov 2022 15:04:43 +0530, mavis wrote: > Hi All, > > I tried to install Rocky linux 8.4 (kernel 4.18.0-305) but when the kernel > starts, it result to > "Kernel Panic - not syncing : Timeout: Not all CPUs entered broadcast exception handler". > > I tried to use other distribs (Centos ; AlmaLinux) and I think this problem > is related to the kernel version. FYI, the system is running on an 11th Gen > i7-1185GRE CPU, maybe the problem is with this CPU ? > > With the distribution where the kernel version used is 4.18.0-80 or earlier, > not kernel panic appear, but on the version 4.18.0-305 until 5.15.x (not > included, 5.15.x works), I always had a kernel panic error. > > Do you have any tips on how to solve or why the problem occurs ? > > Thanks, > Axel This seems to be a known intel hardware related bug, as far as I could google. While I am almost certain you have, but did you try adding the following to boot options? processor.max_cstate=0 intel_idle.max_cstate=0 idle=poll This will apparantely turn off the CPUIdle subsystem, and stop power management via C-states. Unfortunately, that's all I know. Thanks, Siddh _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
