> The NVMe device I use is a U.2 NVMe ZNS SSD. It has a zoned name space and > a regular name space, and the hang is observed with both name spaces. I have > not yet tried other NVME devices, so I will try them. > See if you can produce this with QEMU NVMe emulation (ZNS and NON-ZNS mode), if you can then it will be easier to reproduce for everyone. >> >> FWIW, this is upstream now, so testing with Linus -git would be >> preferable. > > I see. I have switched from linux-block for-next branch to the upstream branch > of Linus. At git hash 879dbe9ffebc, and still the hang is observed. > > -- > Best Regards, > Shin'ichiro Kawasaki >
