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Re: [Qemu-devel] DAX can not work on virtual nvdimm device
From: |
Theodore Ts'o |
Subject: |
Re: [Qemu-devel] DAX can not work on virtual nvdimm device |
Date: |
Fri, 9 Sep 2016 10:03:27 -0400 |
User-agent: |
Mutt/1.6.2-neo (2016-07-23) |
On Fri, Sep 09, 2016 at 11:19:25AM +0200, Jan Kara wrote:
> > > > > 1. make the guest kernel based on your tree, the top commit is
> > > > > 10d7902fa0e82b (dax: unmap/truncate on device shutdown) and
> > > > > the config file can be found in this thread.
What git tree is 10d7902fa0e82b from?
> Hum, nothing unusual in there. I've tried reproducing on a local SLE11 SP3
> machine (which is from about the same time) but everything works as
> expected there. Shrug...
I just tried reproducing it via "gce-xfstests --pmem-device shell"
with a downgraded e2fsprogs to stock upstream 1.42.12, and I can't
reproduce it with the ext4.git tree. I'm not sure whether the git
commit is critical, though. Is this a regression that was working
before?
Or it's possible that Red Hat did something weird with the CentOS 6
e2fsprogs....
- Ted