On Mon, Aug 19, 2019 at 10:08:31AM +1000, Dave Chinner wrote: > > So I can also reproduce the same issue with the ramdisk driver, but not > > with any other 4k sector size device (nvmet, scsi target, scsi_debug, > > loop). > > How did you reproduce it? I tried with indentical pmem config to > what Vishal was using and couldn't hit it... Just mkfs and mount the pmem device. The fake pmem was create by the following kernel command line sniplet: "memmap=2000M!1024M,2000M!4096M" and my kernel config is attached. I suspect you'll need CONFIG_SLUB to create the woes, but let me confirm that..
Attachment:
.config
Description: application/config
