id = 1298
title = "virtio-pmem not working on microvm: virtio-pmem missing request data"
state = "opened"
created_at = "2022-11-03T23:10:50.472Z"
closed_at = "n/a"
labels = ["device:virtio", "target: i386"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1298"
host-os = "Debian 6.0.3-1"
host-arch = "amd64"
qemu-version = "QEMU emulator version 7.1.0 (Debian 1:7.1+dfsg-2+b1)"
guest-os = "linux-5.17.15"
guest-arch = "amd64"
description = """When using micorvm, qemu does not "connect" the memory backend mem1 with the pmem device. 

When using the first command is executed, qemu shows the following starts message:
```
qemu-system-x86_64: virtio-pmem missing request data 
```

and the kernel outputs following messages:
```
[    0.043871] nd_pmem namespace0.0: could not reserve region [mem 0x00000000-0x001fffff]
[    0.043923] IPI shorthand broadcast: enabled
[    0.044022] nd_pmem: probe of namespace0.0 failed with error -16
```"""
reproduce = "n/a"
additional = "n/a"