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Re: bio linked list corruption.

From Dave Jones <davej@codemonkey.org.uk>
Newsgroups linux.kernel
Subject Re: bio linked list corruption.
Date 2016-10-21 22:30 +0200
Message-ID <suOBY-2ad-3@gated-at.bofh.it> (permalink)
References (5 earlier) <suuDg-5F6-9@gated-at.bofh.it> <suuDg-5F6-7@gated-at.bofh.it> <suuWB-5LC-1@gated-at.bofh.it> <suOiB-20g-13@gated-at.bofh.it> <suOBY-2ad-5@gated-at.bofh.it>
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On Fri, Oct 21, 2016 at 04:17:48PM -0400, Chris Mason wrote:

 > > BTRFS warning (device sda3): csum failed ino 130654 off 0 csum 2566472073 expected csum 3008371513
 > > BTRFS warning (device sda3): csum failed ino 131057 off 4096 csum 3563910319 expected csum 738595262
 > > BTRFS warning (device sda3): csum failed ino 131176 off 4096 csum 1344477721 expected csum 441864825
 > > BTRFS warning (device sda3): csum failed ino 131241 off 245760 csum 3576232181 expected csum 2566472073
 > > BTRFS warning (device sda3): csum failed ino 131429 off 0 csum 1494450239 expected csum 2646577722
 > > BTRFS warning (device sda3): csum failed ino 131471 off 0 csum 3949539320 expected csum 3828807800
 > > BTRFS warning (device sda3): csum failed ino 131471 off 4096 csum 3475108475 expected csum 2566472073
 > > BTRFS warning (device sda3): csum failed ino 131471 off 958464 csum 142982740 expected csum 2566472073
 > > BTRFS warning (device sda3): csum failed ino 131471 off 0 csum 3949539320 expected csum 3828807800
 > > BTRFS warning (device sda3): csum failed ino 131532 off 270336 csum 3138898528 expected csum 2566472073
 > > BTRFS warning (device sda3): csum failed ino 131532 off 1249280 csum 2169165042 expected csum 2566472073
 > > BTRFS warning (device sda3): csum failed ino 131649 off 16384 csum 2914965650 expected csum 1425742005
 > >
 > >
 > > A curious thing: the expected csum 2566472073 turns up a number of times for different inodes, and gets
 > > differing actual csums each time.  I suppose this could be something like a block of all zeros in multiple files,
 > > but it struck me as surprising.
 > >
 > > btrfs people: is there an easy way to map those inodes to a filename ? I'm betting those are the
 > > test files that trinity generates. If so, it might point to a race somewhere.
 > 
 > btrfs inspect inode 130654 mntpoint

Interesting, they all return

ERROR: ino paths ioctl: No such file or directory

So these files got deleted perhaps ?

	Dave

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Thread

Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-19 00:50 +0200
  Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 01:40 +0200
    Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 02:20 +0200
      Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 02:30 +0200
        Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 00:50 +0200
      Re: bio linked list corruption. Andy Lutomirski <luto@kernel.org> - 2016-10-19 03:10 +0200
        Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 01:00 +0200
          Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 01:10 +0200
            Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-21 01:30 +0200
              Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 22:10 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 22:30 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 23:20 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-22 17:30 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-24 06:50 +0200
                Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-24 22:10 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-24 22:50 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-24 23:20 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-25 00:00 +0200
                Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-25 00:50 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-25 02:10 +0200
                Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-25 03:20 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 02:30 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 03:40 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 03:40 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 18:40 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 18:50 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 20:20 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 20:50 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 21:10 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 00:10 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 00:30 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 00:50 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 01:00 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 01:00 +0200
                Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 01:10 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 01:50 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 01:10 +0200
                Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 01:10 +0200
          Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-21 01:10 +0200
    Re: bio linked list corruption. Philipp Hahn <pmhahn@pmhahn.de> - 2016-10-19 19:10 +0200
      Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 19:50 +0200
        Re: bio linked list corruption. Ingo Molnar <mingo@kernel.org> - 2016-10-20 09:00 +0200
          Re: bio linked list corruption. Thomas Gleixner <tglx@linutronix.de> - 2016-10-20 09:30 +0200

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