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Re: [bug] SLUB + mm/slab.c boot crash in -rc9

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From: Ingo Molnar <mingo@...>
To: Pekka Enberg <penberg@...>
Cc: Christoph Lameter <clameter@...>, Linus Torvalds <torvalds@...>, <linux-kernel@...>, Mel Gorman <mel@...>, Nick Piggin <npiggin@...>, Andrew Morton <akpm@...>, Rafael J. Wysocki <rjw@...>, <Yinghai.Lu@...>, <apw@...>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...>
Subject: Re: [bug] SLUB + mm/slab.c boot crash in -rc9
Date: Tuesday, April 15, 2008 - 4:40 pm

* Pekka Enberg <penberg@cs.helsinki.fi> wrote:


quite. Here are all the successfull bootups from my (failed) bisection 
attempt:

 0773769191d943358a8392fa86abd756d004c4b6
 21af0297c7e56024a5ccc4d8ad2a590f9ec371ba
 26b8256e2bb930a8e4d4d10aa74950d8921376b8
 2a10e7c41254941cac87be1eccdcb6379ce097f5
 3aa88cdf6bcc9e510c0707581131b821a7d3b7cb
 49914084e797530d9baaf51df9eda77babc98fa8
 53a6e2342d73d509318836e320f70cd286acd69c
 5be3bda8987b12a87863c89b74b136fdb1f072db
 6d5f718a497375f853d90247f5f6963368e89803
 7272dcd31d56580dee7693c21e369fd167e137fe
 77de2c590ec72828156d85fa13a96db87301cc68
 82cfbb008572b1a953091ef78f767aa3ca213092
 b75f53dba8a4a61fda1ff7e0fb0fe3b0d80e0c64
 c087567d3ffb2c7c61e091982e6ca45478394f1a
 d4b37ff73540ab90bee57b882a10b21e2f97939f
 fde1b3fa947c2512e3715962ebb1d3a6a9b9bb7d

or, via git-describe:

v2.6.24-3908-g0773769
v2.6.24-2392-g21af029
v2.6.24-3868-g26b8256
v2.6.24-4463-g2a10e7c
v2.6.24-4457-g3aa88cd
v2.6.24
v2.6.24-3522-g53a6e23
v2.6.24-3131-g5be3bda
v2.6.24-4461-g6d5f718
v2.6.24-3891-g7272dcd
v2.6.24-3902-g77de2c5
v2.6.24-3613-g82cfbb0
v2.6.24-4449-gb75f53d
v2.6.24-3911-gc087567
v2.6.24-3913-gd4b37ff
v2.6.24-4464-gfde1b3f

i.e. vanilla v2.6.24 and a whole bunch of commits after it were booting 
just fine. (the problem might have been masked up to a certain point in 
theory, but given how resilient it is to offset changes in my testing i 
find that not very probable [but not impossible] )

	Ingo
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Messages in current thread:
[bug] mm/slab.c boot crash in -git, "kernel BUG at mm/slab.c..., Ingo Molnar, (Fri Apr 11, 3:41 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Pekka Enberg, (Fri Apr 11, 4:21 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Pekka Enberg, (Fri Apr 11, 4:50 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Ingo Molnar, (Fri Apr 11, 4:54 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Pekka Enberg, (Fri Apr 11, 5:05 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Christoph Lameter, (Fri Apr 11, 3:25 pm)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Ingo Molnar, (Tue Apr 15, 1:49 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Pekka Enberg, (Fri Apr 11, 5:08 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Christoph Lameter, (Fri Apr 11, 3:26 pm)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Pekka Enberg, (Fri Apr 11, 5:11 am)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 2:25 am)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Linus Torvalds, (Tue Apr 15, 12:02 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 12:15 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 4:23 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Linus Torvalds, (Tue Apr 15, 1:23 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 3:39 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 3:54 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 4:03 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 4:17 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 4:54 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 4:58 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 5:08 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Pekka Enberg, (Tue Apr 15, 4:34 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 4:40 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Linus Torvalds, (Tue Apr 15, 5:06 pm)
[patch] mm: sparsemem memory_present() memory corruption fix, Ingo Molnar, (Tue Apr 15, 8:03 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Wed Apr 16, 11:03 am)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Mel Gorman, (Wed Apr 16, 10:05 am)
Re: [patch] mm: sparsemem memory_present() memory corruption..., KAMEZAWA Hiroyuki, (Tue Apr 15, 9:48 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Tue Apr 15, 8:34 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Linus Torvalds, (Tue Apr 15, 10:45 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Tue Apr 15, 8:40 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Tue Apr 15, 9:14 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Christoph Lameter, (Tue Apr 15, 8:45 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Tue Apr 15, 8:52 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Christoph Lameter, (Tue Apr 15, 8:19 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Tue Apr 15, 8:36 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Yinghai Lu, (Tue Apr 15, 8:33 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Tue Apr 15, 8:18 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Yinghai Lu, (Tue Apr 15, 8:32 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Tue Apr 15, 8:44 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Yinghai Lu, (Tue Apr 15, 8:56 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Tue Apr 15, 9:02 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Yinghai Lu, (Tue Apr 15, 9:17 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Christoph Lameter, (Tue Apr 15, 8:46 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Tue Apr 15, 8:52 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Ingo Molnar, (Tue Apr 15, 9:17 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Yinghai Lu, (Tue Apr 15, 9:30 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Yinghai Lu, (Tue Apr 15, 10:00 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., KAMEZAWA Hiroyuki, (Tue Apr 15, 10:20 pm)
Re: [patch] mm: sparsemem memory_present() memory corruption..., Christoph Lameter, (Tue Apr 15, 8:10 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 5:13 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 5:24 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 5:42 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 5:55 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 6:06 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Yinghai Lu, (Tue Apr 15, 7:18 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 6:13 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 6:27 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 7:22 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 7:27 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 8:04 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 7:32 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 6:32 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 4:28 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 4:34 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 4:42 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 4:50 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 4:58 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 5:08 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 5:19 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Mike Travis, (Tue Apr 15, 5:27 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 5:21 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 5:23 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 5:24 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 5:28 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 6:07 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Mike Travis, (Tue Apr 15, 5:43 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Christoph Lameter, (Tue Apr 15, 5:33 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Mike Travis, (Tue Apr 15, 5:16 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 3:35 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 3:41 pm)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Pekka Enberg, (Tue Apr 15, 2:41 am)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 3:08 am)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 5:11 am)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Yinghai Lu, (Tue Apr 15, 4:31 am)
Re: [bug] SLUB + mm/slab.c boot crash in -rc9, Ingo Molnar, (Tue Apr 15, 4:46 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Ingo Molnar, (Fri Apr 11, 5:24 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Mel Gorman, (Tue Apr 15, 5:36 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Ingo Molnar, (Tue Apr 15, 6:03 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Christoph Lameter, (Fri Apr 11, 3:28 pm)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Ingo Molnar, (Tue Apr 15, 1:43 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Christoph Lameter, (Sat Apr 12, 6:38 am)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Yinghai Lu, (Sat Apr 12, 1:22 pm)
Re: [bug] mm/slab.c boot crash in -git, "kernel BUG at mm/sl..., Nick Piggin, (Fri Apr 11, 6:34 am)