hah, bingo, the default kernel package for VMs doesn't have nd_pmem or
nd_btt. I had to install linux-modules-extra-5.4.0-12-generic.
Now it works:
ubuntu@focal-nvdimm:~$ sudo ndctl create-namespace
{
"dev":"namespace1.0",
"mode":"fsdax",
"map":"dev",
"size":"1006.00 MiB (1054.87 MB)",
@djbw do you mean a kernel module?
Here is the full dmesg. I just logged in and ran "sudo ndctl create-
namespace":
https://paste.ubuntu.com/p/Mf2g282JNQ/
lsmod: https://paste.ubuntu.com/p/GqTvskG7RJ/
/proc/iomem (it shows some lines with "Persistent Memory"):
https://paste.ubuntu.com/p/K43GVhf
I tried an arm64 focal VM on scaleway, and there the test passed as well
:/
So it must be something very particular to our infrastructure.
I think you can mark the debian bug as invalid then.
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I used an image from our internal cloud, but it should be the same
published out there. I'll give it another run, maybe there was an
update. If that still fails, I'll try upgrading a public cloud
image/instance.
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Hi,
don't worry about it. Regressions can be serious. Let's mark this bug as
incomplete then, and it will auto-expire on its own if no further
information is added to it.
If you ever see this again, or have more data, feel free to add a
comment here.
Cheers, thanks for getting back to us with th
I get nothing in dmesg when I run enable-namespace all:
root@focal-nvdimm:~# ndctl enable-namespace all
libndctl: ndctl_namespace_enable: namespace1.0: failed to enable
libndctl: ndctl_namespace_enable: namespace0.0: failed to enable
error enabling namespaces: No such device or address
enabled 0 na
