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Re: Dcache oops

From Al Viro <viro@ZenIV.linux.org.uk>
Newsgroups linux.kernel
Subject Re: Dcache oops
Date 2016-06-04 00:50 +0200
Message-ID <rG64F-Hz-7@gated-at.bofh.it> (permalink)
References (5 earlier) <rG4Fz-8oJ-7@gated-at.bofh.it> <rG4Pf-8ss-11@gated-at.bofh.it> <rG5rX-uq-3@gated-at.bofh.it> <rG5Lk-AU-43@gated-at.bofh.it> <rG5UZ-Ei-15@gated-at.bofh.it>
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On Fri, Jun 03, 2016 at 03:36:22PM -0700, Linus Torvalds wrote:

> Happy to hear that you seem to have figured it out.
> 
> But why did it apparently only start happening now?

Oleg has started to use Lustre torture tests on NFS, that's all.  Note, BTW,
that first they'd triggered an oopsable bug (fairly easy to reproduce) in
nfs_atomic_open() that had been there for 3 years ;-/

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Thread

NFS/d_splice_alias breakage Oleg Drokin <green@linuxhacker.ru> - 2016-06-03 01:10 +0200
  [PATCH] Allow d_splice_alias to accept hashed dentries green@linuxhacker.ru - 2016-06-03 02:10 +0200
    Re: [PATCH] Allow d_splice_alias to accept hashed dentries Oleg Drokin <green@linuxhacker.ru> - 2016-06-03 02:30 +0200
  Re: NFS/d_splice_alias breakage Trond Myklebust <trondmy@primarydata.com> - 2016-06-03 02:50 +0200
    Re: NFS/d_splice_alias breakage Oleg Drokin <green@linuxhacker.ru> - 2016-06-03 03:00 +0200
      Re: NFS/d_splice_alias breakage Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 05:30 +0200
        Re: NFS/d_splice_alias breakage Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 05:40 +0200
    Re: NFS/d_splice_alias breakage Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 05:30 +0200
  Re: NFS/d_splice_alias breakage Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 05:40 +0200
    Re: NFS/d_splice_alias breakage Oleg Drokin <green@linuxhacker.ru> - 2016-06-03 05:50 +0200
      Re: NFS/d_splice_alias breakage Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 06:30 +0200
        Re: NFS/d_splice_alias breakage Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 06:50 +0200
          Re: NFS/d_splice_alias breakage Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 07:00 +0200
        Re: NFS/d_splice_alias breakage Oleg Drokin <green@linuxhacker.ru> - 2016-06-03 07:00 +0200
          Re: NFS/d_splice_alias breakage Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 08:00 +0200
            Re: NFS/d_splice_alias breakage Oleg Drokin <green@linuxhacker.ru> - 2016-06-07 01:40 +0200
              Re: NFS/d_splice_alias breakage Oleg Drokin <green@linuxhacker.ru> - 2016-06-10 03:40 +0200
                Re: NFS/d_splice_alias breakage Oleg Drokin <green@linuxhacker.ru> - 2016-06-10 18:50 +0200
        Dcache oops Oleg Drokin <green@linuxhacker.ru> - 2016-06-03 18:40 +0200
          Re: Dcache oops Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 20:30 +0200
            Re: Dcache oops Oleg Drokin <green@linuxhacker.ru> - 2016-06-03 20:40 +0200
              Re: Dcache oops Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 22:10 +0200
                Re: Dcache oops Linus Torvalds <torvalds@linux-foundation.org> - 2016-06-03 23:20 +0200
                Re: Dcache oops Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 23:30 +0200
                Re: Dcache oops Linus Torvalds <torvalds@linux-foundation.org> - 2016-06-04 00:10 +0200
                Re: Dcache oops Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-04 00:30 +0200
                Re: Dcache oops Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-04 00:30 +0200
                Re: Dcache oops Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-04 00:40 +0200
                Re: Dcache oops Oleg Drokin <green@linuxhacker.ru> - 2016-06-04 00:50 +0200
                Re: Dcache oops Oleg Drokin <green@linuxhacker.ru> - 2016-06-04 02:00 +0200
                Re: Dcache oops Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-04 03:00 +0200
                Re: Dcache oops Jeff Layton <jlayton@poochiereds.net> - 2016-06-04 14:30 +0200
                Re: Dcache oops Oleg Drokin <green@linuxhacker.ru> - 2016-06-04 18:20 +0200
                [PATCH] nfs4: Fix potential use after free of state in nfs4_do_reclaim. green@linuxhacker.ru - 2016-06-04 18:30 +0200
                Re: [PATCH] nfs4: Fix potential use after free of state in  nfs4_do_reclaim. Jeff Layton <jlayton@poochiereds.net> - 2016-06-04 22:00 +0200
                Re: Dcache oops Linus Torvalds <torvalds@linux-foundation.org> - 2016-06-04 00:40 +0200
                Re: Dcache oops Oleg Drokin <green@linuxhacker.ru> - 2016-06-04 00:50 +0200
                Re: Dcache oops Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-04 00:50 +0200
                Re: Dcache oops Oleg Drokin <green@linuxhacker.ru> - 2016-06-03 23:20 +0200
                Re: Dcache oops Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-03 23:50 +0200
                Re: Dcache oops Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-04 00:20 +0200

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