On 28/11/2022 20:53, Eliot Moss wrote: > On 11/28/2022 7:04 AM, lizhijian@xxxxxxxxxxx wrote: >> Hi folks, >> >> I'm going to make crash coredump support pmem region. So >> I have modified kexec-tools to add pmem region to PT_LOAD of vmcore. >> >> But it failed at makedumpfile, log are as following: >> >> In my environment, i found the last 512 pages in pmem region will cause the error. > > I wonder if an issue I reported is related: when set up to map > 2Mb (huge) pages, the last 2Mb of a large region got mapped as > 4Kb pages, and then later, half of a large region was treated > that way. > Could you share the url/link ? I'd like to take a look > I've seen no response to the report, but assume folks have > been busy with other things or perhaps giving this lower > priority since it does not exactly *fail*, just not work as > a user might think it should. > > Regards - Eliot Moss