Hi Siddh, Thanks for your answer. Yes, I confirm that I have already tested these params in the boot command line (the params are also available in the BIOS but that doesn't works either..) On which site did you find these informations about intel hardware bugs ? I didn't find it on the internet. Thanks, Axel ------- Original Message ------- On Friday, November 4th, 2022 at 21:26, Siddh Raman Pant <code@xxxxxxxx> wrote: > > > 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
