[AMD Official Use Only - General] Hi,
Are you building pmem as a module as described in the blog? (“<M> PMEM: Persistent memory block device support”) If so, I would try building it into the kernel directly. It is possibly looking for the module for your compiled kernel and does not find it on the disk image. You’ll also have to add “memmap=4G!12G” to cmdline variable in the makeLinuxX86System function in configs/common/FSConfig.py if you are using fs.py. -Matt From: Vincent Abraham via gem5-users <gem5-users@gem5.org> Sent: Saturday, May 20, 2023 9:14 AM To: gem5-users@gem5.org Cc: Vincent Abraham <vincent....@gmail.com> Subject: [gem5-users] Persistent memory with gem5 Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding. I want to configure persistent memory in the RAM (similar to https://pmem.io/blog/2016/02/how-to-emulate-persistent-memory/) and just run a basic FS setup (I'm running fs.py for now). I'm able to reserve the persistent memory space (with the X86E820Entry() function in the config file) and the e820 table is displayed correctly. But on booting up, I can't find any disk named pmem in /dev. Is there anything that I'm missing out here? Any help with this would be much appreciated.
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