Messages in this thread | ![/](/images/icornerl.gif) | | From | Ard Biesheuvel <> | Date | Fri, 14 Dec 2018 08:23:54 +0100 | Subject | Re: [PATCH v2] arm64: invalidate TLB just before turning MMU on |
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On Fri, 14 Dec 2018 at 05:08, Qian Cai <cai@lca.pw> wrote: > Also tried to move the local TLB flush part around a bit inside > __cpu_setup(), although it did complete kdump some times, it did trigger > "Synchronous Exception" in EFI after a cold-reboot fairly often that > seems no way to recover remotely without reinstalling the OS.
This doesn't make any sense to me. If the system gets into a weird state out of cold reboot, how could this code be the culprit? Please check your firmware, and try to reproduce the issue on a system that doesn't have such defects.
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