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From: Nick Piggin <npiggin@suse.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Nick Piggin <npiggin@suse.de>,
	linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
	Patricia Gaughen <gone@us.ibm.com>
Subject: Re: assert/crash in __rmqueue() when enabling CONFIG_NUMA
Date: Fri, 21 Apr 2006 13:51:01 +0200	[thread overview]
Message-ID: <20060421115101.GZ21660@wotan.suse.de> (raw)
In-Reply-To: <20060421112049.GA5609@elte.hu>

On Fri, Apr 21, 2006 at 01:20:50PM +0200, Ingo Molnar wrote:
> 
> * Nick Piggin <npiggin@suse.de> wrote:
> 
> > It would be interesting to know which assertion failed. I guess it 
> > might be a zone alignment problem -- it would be interesting to turn 
> > the 2 HOLES_IN_ZONE tests into BUG_ONs, and enable them (ie. move them 
> > out of HOLES_IN_ZONE).
> 
> ok, i added a couple of printks (see the patch below), and got this:
> 
>  zone c1f0a600 (HighMem):
>  pfn: 00037d00
>  zone->zone_start_pfn: 00037e00
>  zone->spanned_pages: 00007e00
>  zone->zone_start_pfn + zone->spanned_pages: 0003fc00
>  ------------[ cut here ]------------
>  kernel BUG at mm/page_alloc.c:524!
> 
> so the pfn is 1MB below the zone's start address - not good. You can 
> find the full bootup log at:

The zones are 2MB aligned, discontig.c seems to do this. They should
be 4MB aligned so the page allocator's assumption that zones are 
contiguous to MAX_ORDER is satisfied.


  parent reply	other threads:[~2006-04-21 11:51 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20060419112130.GA22648@elte.hu>
2006-04-20  9:18 ` Nick Piggin
2006-04-21 11:20   ` Ingo Molnar
2006-04-21 11:45     ` Ingo Molnar
2006-05-01 12:49       ` Ingo Molnar
2006-05-02  6:48         ` Andi Kleen
2006-05-02  7:06           ` Ingo Molnar
2006-05-02  7:05             ` Andi Kleen
2006-05-02  8:27               ` Ingo Molnar
2006-05-02 14:02               ` Martin J. Bligh
2006-05-02 14:25                 ` Nick Piggin
2006-05-04  1:32                   ` Bob Picco
2006-05-04  8:37                     ` Ingo Molnar
2006-05-04  9:14                       ` Ingo Molnar
2006-05-04  9:26                         ` Ingo Molnar
2006-05-04  8:37                     ` Andy Whitcroft
2006-05-04 15:21                     ` Dave Hansen
2006-05-04 15:46                       ` Bob Picco
2006-05-04 16:07                         ` Dave Hansen
2006-05-04 19:25                         ` Ingo Molnar
2006-05-04 19:43                           ` Bob Picco
2006-05-04 21:50                             ` Andy Whitcroft
2006-05-05  5:17                               ` Ingo Molnar
2006-05-05 13:55                               ` Bob Picco
2006-05-05 14:33                                 ` Dave Hansen
2006-05-05 14:50                                   ` Bob Picco
2006-05-05 14:57                                     ` Dave Hansen
2006-05-05 15:03                                       ` Martin J. Bligh
2006-05-05 16:22                                         ` Bob Picco
2006-05-05 16:18                                       ` Bob Picco
2006-05-06  8:32                                       ` Nick Piggin
2006-05-07 13:07                                         ` Andy Whitcroft
2006-05-07 13:18                                           ` Nick Piggin
2006-05-09 11:05                                             ` [PATCH 0/3] Zone boundry alignment fixes Andy Whitcroft
2006-05-09 11:05                                               ` [PATCH 1/3] zone init check and report unaligned zone boundries Andy Whitcroft
2006-05-09 11:28                                                 ` Nick Piggin
2006-05-09 11:05                                               ` [PATCH 2/3] x86 align highmem zone boundries with NUMA Andy Whitcroft
2006-05-09 11:05                                               ` [PATCH 3/3] zone allow unaligned zone boundries Andy Whitcroft
2006-05-11  7:59                                               ` [PATCH 0/3] Zone boundry alignment fixes Andrew Morton
2006-05-12 14:19                                                 ` Ingo Molnar
2006-05-13  1:39                                                   ` Nick Piggin
2006-05-18 14:20                                                 ` [PATCH 0/2] Zone boundary alignment fixes cleanups Andy Whitcroft
2006-05-18 14:21                                                   ` [PATCH 1/2] zone init check and report unaligned zone boundaries fix Andy Whitcroft
2006-05-18 14:21                                                   ` [PATCH 2/2] zone allow unaligned zone boundaries spelling fix Andy Whitcroft
2006-05-18 14:49                                                     ` Andy Whitcroft
2006-05-18 15:54                                                 ` [PATCH 0/2] Zone boundary alignment fixes, cleanups v2 Andy Whitcroft
2006-05-18 15:55                                                   ` [PATCH 1/2] zone init check and report unaligned zone boundaries fix Andy Whitcroft
2006-05-18 15:55                                                   ` [PATCH 2/2] zone allow unaligned zone boundaries spelling fix Andy Whitcroft
2006-05-02 15:03                 ` assert/crash in __rmqueue() when enabling CONFIG_NUMA Andi Kleen
2006-05-02 15:17                   ` Martin J. Bligh
2006-05-02 15:45                     ` Andi Kleen
2006-05-02 16:02                       ` Martin J. Bligh
2006-05-02 16:05                         ` Andi Kleen
2006-05-02 19:47                         ` Ingo Molnar
2006-05-02 19:48                       ` Ingo Molnar
2006-05-02 19:44                         ` Andi Kleen
2006-05-02 19:56                           ` Martin Bligh
2006-05-02 20:00                             ` Andi Kleen
2006-05-02 20:13                               ` Ingo Molnar
2006-05-02 20:12                                 ` Andi Kleen
2006-05-02 15:52                     ` Ingo Molnar
2006-05-02 19:55                       ` [RFC, PATCH] cond_resched() added to close_files() Eric Dumazet
2006-05-03  7:01                         ` Ingo Molnar
2006-05-12  9:44                           ` Andrew Morton
2006-05-12 10:20                             ` Ingo Molnar
2006-05-12 12:24                               ` Eric Dumazet
2006-05-14  0:09                               ` Lee Revell
2006-04-21 11:51     ` Nick Piggin [this message]
2006-04-19 11:23 assert/crash in __rmqueue() when enabling CONFIG_NUMA Ingo Molnar

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