Baoquan He <[email protected]> writes: > On 04/07/17 at 10:41am, Jeff Moyer wrote: >> Hi, >> >> commit 021182e52fe01 ("x86/mm: Enable KASLR for physical mapping memory >> regions") causes some of my systems with persistent memory (whether real >> or emulated) to fail to boot with a couple of different crash >> signatures. The first signature is a NMI watchdog lockup of all but 1 >> cpu, which causes much difficulty in extracting useful information from >> the console. The second variant is an invalid paging request, listed >> below. >> >> On some systems, I haven't hit this problem at all. Other systems >> experience a failed boot maybe 20-30% of the time. To reproduce it, >> configure some emulated pmem on your system. You can find directions >> for that here: https://nvdimm.wiki.kernel.org/ > > I got below problem when configure ndctl, didn't find a package named > libkmod:
Sorry, you can skip the ndctl step altogether. This is emulated pmem, so the setting won't stick anyway. -Jeff
