Comment 17 for bug 1862751

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You-Sheng Yang (vicamo) wrote : Re: Hard lockups using microcode releases 20191115 on Intel Whiskey Lake

This is a laptop, and yes, disable SMP is a known work-around. I didn't check if it's related to AC/battery. Upstream for intel-microcode package is https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files, and this has been reported as https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/issues/24.