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Groups > linux.kernel > #1480018

Re: DAX can not work on virtual nvdimm device

From Theodore Ts'o <tytso@mit.edu>
Newsgroups linux.kernel
Subject Re: DAX can not work on virtual nvdimm device
Date 2016-09-09 16:10 +0200
Message-ID <sfuFc-3MV-9@gated-at.bofh.it> (permalink)
References (5 earlier) <sc9xf-cp-21@gated-at.bofh.it> <scMRX-1Zy-7@gated-at.bofh.it> <seqaC-3Da-43@gated-at.bofh.it> <sfeqK-2at-33@gated-at.bofh.it> <sfqid-12l-13@gated-at.bofh.it>
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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

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Thread

Re: DAX can not work on virtual nvdimm device Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2016-08-29 10:00 +0200
  Re: DAX can not work on virtual nvdimm device Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-08-29 21:40 +0200
    Re: DAX can not work on virtual nvdimm device Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2016-08-30 09:00 +0200
      Re: DAX can not work on virtual nvdimm device Dan Williams <dan.j.williams@intel.com> - 2016-08-30 19:10 +0200
        Re: DAX can not work on virtual nvdimm device Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2016-08-31 11:00 +0200
          Re: DAX can not work on virtual nvdimm device Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-08-31 18:50 +0200
          Re: DAX can not work on virtual nvdimm device Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-09-02 05:00 +0200
            Re: DAX can not work on virtual nvdimm device Jan Kara <jack@suse.cz> - 2016-09-06 17:10 +0200
              Re: DAX can not work on virtual nvdimm device Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-09-08 22:50 +0200
                Re: DAX can not work on virtual nvdimm device Jan Kara <jack@suse.cz> - 2016-09-09 11:30 +0200
                Re: DAX can not work on virtual nvdimm device Theodore Ts'o <tytso@mit.edu> - 2016-09-09 16:10 +0200
                Re: DAX can not work on virtual nvdimm device Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-09-09 18:40 +0200

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