linux-kernel - linux-next: boot failure

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Date:	Wed, 1 Jul 2009 16:00:14 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Eric Paris <eparis@...hat.com>
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: linux-next: boot failure

Hi Eric,

next-20090630 failed to boot (on PowerPC Power5/6 machines):

calling  .audit_watch_init+0x0/0x80 @ 1
Unable to handle kernel paging request for data at address 0xffffffffffffffff
Faulting instruction address: 0xc00000000008b440
cpu 0x0: Vector: 300 (Data Access) at [c0000000be683990]
    pc: c00000000008b440: .srcu_read_lock+0x20/0x40
    lr: c0000000001607cc: .fsnotify_recalc_global_mask+0x2c/0xa0
    sp: c0000000be683c10
   msr: 8000000000009032
   dar: ffffffffffffffff
 dsisr: 40010000
  current = 0xc0000000be67e000
  paca    = 0xc00000000093b200
    pid   = 1, comm = swapper
enter ? for help
[link register   ] c0000000001607cc .fsnotify_recalc_global_mask+0x2c/0xa0
[c0000000be683c10] c0000000be683ca0 (unreliable)
[c0000000be683ca0] c000000000160bc0 .fsnotify_obtain_group+0x1e0/0x260
[c0000000be683d60] c0000000007879e4 .audit_watch_init+0x34/0x80
[c0000000be683de0] c00000000000947c .do_one_initcall+0x6c/0x1e0
[c0000000be683ee0] c00000000076fd6c .kernel_init+0x23c/0x2c0
[c0000000be683f90] c00000000002a9bc .kernel_thread+0x54/0x70

next-20090629 was fine.  The commits in 0630 and not in 0629 (from the
fsnotify tree) are:

      Audit: clean up the audit_watch split
      audit: convert audit watches to use fsnotify instead of inotify
      audit: redo audit watch locking and refcnt in light of fsnotify
      audit: do not get and put just to free a watch
      fsnotify: duplicate fsnotify_mark_entry data between 2 marks
      fsnotify: allow addition of duplicate fsnotify marks
      audit: reimplement audit_trees using fsnotify rather than inotify
      inotify: deprecate the inotify kernel interface

If I have time, I may do a bisection.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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