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

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From: Ingo Molnar
Subject: Re: [bug] SLUB + mm/slab.c boot crash in -rc9
Date: Tuesday, April 15, 2008 - 3:32 pm

* Christoph Lameter <clameter@sgi.com> wrote:


great. Note that it's randconfig generated - so watch out for weird 
config combinations.

randconfig, besides finding build-bugs, is also good at finding various 
runtime bugs: it is great at finding weird alignment and 
boundary-condition bugs in generic code, and it's also great at finding 
races (by virtue of introducing random delays between various functions, 
via random enabling/disabling of debug facilities and other options that 
impact the generated code's layout and timing).

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