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Re: 2.6.25-rc8-mm2: IP: [<ffffffff802868f9>] __kmalloc+0x69/0x110

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From: Christoph Lameter <clameter@...>
To: Andrew Morton <akpm@...>
Cc: Alexey Dobriyan <adobriyan@...>, <linux-kernel@...>, <penberg@...>
Subject: Re: 2.6.25-rc8-mm2: IP: [&lt;ffffffff802868f9&gt;] __kmalloc+0x69/0x110
Date: Monday, April 14, 2008 - 2:00 pm

On Sun, 13 Apr 2008, Andrew Morton wrote:


At this point there is no tie in with slub changes. This is 
freepointer corruption that is typical for writing to the object after 
free it. Enabling slub debugging is needed to figure out when the object 
was overwritten.


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Messages in current thread:
2.6.25-rc8-mm2, Andrew Morton, (Thu Apr 10, 11:33 pm)
BUG at __dentry_open [Was: 2.6.25-rc8-mm2], Jiri Slaby, (Mon Apr 14, 4:07 am)
2.6.25-rc8-mm2 - CONFIG_PROFILE_LIKELY broke again..., , (Sat Apr 12, 4:52 am)
2.6.25-rc8-mm2, , (Sat Apr 12, 5:41 am)
2.6.25-rc8-mm2: IP: [&lt;ffffffff802868f9&gt;] __kmalloc+0x69/0x110, Alexey Dobriyan, (Sun Apr 13, 4:44 pm)
Re: 2.6.25-rc8-mm2: IP: [&lt;ffffffff802868f9&gt;] __kmalloc..., Pekka J Enberg, (Mon Apr 14, 5:51 am)
Re: 2.6.25-rc8-mm2: IP: [&lt;ffffffff802868f9&gt;] __kmalloc..., Pekka Enberg, (Mon Apr 14, 12:01 pm)
Re: 2.6.25-rc8-mm2: IP: [&lt;ffffffff802868f9&gt;] __kmalloc..., Christoph Lameter, (Mon Apr 14, 1:53 pm)
Re: 2.6.25-rc8-mm2: IP: [&lt;ffffffff802868f9&gt;] __kmalloc..., Christoph Lameter, (Mon Apr 14, 1:57 pm)
Re: 2.6.25-rc8-mm2: IP: [&lt;ffffffff802868f9&gt;] __kmalloc..., Alexey Dobriyan, (Mon Apr 14, 2:32 pm)
2.6.25-rc8-mm2: FIX kmalloc-2048 (was Re: 2.6.25-rc8-mm2: IP..., Alexey Dobriyan, (Mon Apr 14, 3:56 pm)
Re: 2.6.25-rc8-mm2: FIX kmalloc-2048 (was Re: 2.6.25-rc8-mm2..., Christoph Lameter, (Mon Apr 14, 4:05 pm)
Re: 2.6.25-rc8-mm2: FIX kmalloc-2048 (was Re: 2.6.25-rc8-mm2..., Alexey Dobriyan, (Sat Apr 19, 7:17 am)
atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Alexey Dobriyan, (Sat Apr 19, 10:45 am)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Jay Cliburn, (Sat Apr 19, 10:54 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Alexey Dobriyan, (Sun Apr 20, 7:14 am)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Jay Cliburn, (Sun Apr 20, 7:06 am)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Alexey Dobriyan, (Sun Apr 20, 8:26 am)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Jay Cliburn, (Sun Apr 20, 2:37 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Alexey Dobriyan, (Sun Apr 20, 4:55 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Chris Snook, (Mon Apr 21, 2:42 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Alexey Dobriyan, (Mon Apr 21, 3:56 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Jay Cliburn, (Mon Apr 21, 10:08 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Jay Cliburn, (Fri Apr 25, 8:57 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Alexey Dobriyan, (Sun May 4, 5:15 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Jay Cliburn, (Tue May 6, 12:02 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Alexey Dobriyan, (Fri May 9, 3:51 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Chris Snook, (Fri May 9, 2:56 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Alexey Dobriyan, (Fri May 9, 4:07 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Jay Cliburn, (Fri May 9, 3:38 pm)
[PATCH] Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducib..., Alexey Dobriyan, (Sat May 10, 3:31 pm)
Re: [PATCH] Re: atl1 64-bit =&gt; 32-bit DMA borkage (reprod..., Jay Cliburn, (Sat May 10, 9:58 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Jay Cliburn, (Sun May 4, 8:31 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Jay Cliburn, (Sun May 4, 8:34 pm)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Alexey Dobriyan, (Mon Apr 28, 2:42 am)
Re: atl1 64-bit =&gt; 32-bit DMA borkage (reproducible, bisected), Alexey Dobriyan, (Tue Apr 22, 3:02 pm)
Re: 2.6.25-rc8-mm2: IP: [&lt;ffffffff802868f9&gt;] __kmalloc..., Andrew Morton, (Sun Apr 13, 4:53 pm)
Re: 2.6.25-rc8-mm2: IP: [<ffffffff802868f9>] __kmalloc..., Christoph Lameter, (Mon Apr 14, 2:00 pm)
Re: 2.6.25-rc8-mm2: IP: [&lt;ffffffff802868f9&gt;] __kmalloc..., Pekka Enberg, (Mon Apr 14, 12:18 pm)
2.6.25-rc8-mm2: panic involving mount_block_root and down th..., Alexey Dobriyan, (Fri Apr 11, 7:43 pm)
Re: 2.6.25-rc8-mm2: CONFIG_ATA_SFF: panic involving mount_bl..., Alexey Dobriyan, (Fri Apr 11, 8:59 pm)
Re: 2.6.25-rc8-mm2: CONFIG_ATA_SFF: panic involving mount_bl..., Adrian Bunk, (Sat Apr 12, 2:52 am)
Re: 2.6.25-rc8-mm2: CONFIG_ATA_SFF: panic involving mount_bl..., Jeff Garzik, (Sat Apr 12, 6:02 am)
Re: 2.6.25-rc8-mm2: CONFIG_ATA_SFF: panic involving mount_bl..., Tejun Heo, (Sat Apr 12, 8:45 pm)
[mm patch] select ATA_SFF, Adrian Bunk, (Sat Apr 12, 8:51 pm)
Re: 2.6.25-rc8-mm2, KAMEZAWA Hiroyuki, (Fri Apr 11, 5:57 am)
Re: 2.6.25-rc8-mm2, KAMEZAWA Hiroyuki, (Fri Apr 11, 6:23 am)
Re: 2.6.25-rc8-mm2, Pekka Enberg, (Fri Apr 11, 6:34 am)
Re: 2.6.25-rc8-mm2, KAMEZAWA Hiroyuki, (Fri Apr 11, 6:57 am)
Re: 2.6.25-rc8-mm2, KAMEZAWA Hiroyuki, (Fri Apr 11, 7:17 am)
Re: 2.6.25-rc8-mm2, KAMEZAWA Hiroyuki, (Fri Apr 11, 9:17 am)
Re: 2.6.25-rc8-mm2, Pekka Enberg, (Fri Apr 11, 10:24 am)
Re: 2.6.25-rc8-mm2, KAMEZAWA Hiroyuki, (Sun Apr 13, 11:13 pm)
Re: 2.6.25-rc8-mm2, Adrian Bunk, (Fri Apr 11, 9:40 am)
Re: 2.6.25-rc8-mm2, Andrew Morton, (Sat Apr 12, 12:22 am)
Re: 2.6.25-rc8-mm2, Aneesh Kumar K.V, (Sat Apr 12, 2:43 pm)
Re: 2.6.25-rc8-mm2, Michael Schmitz, (Sun Apr 13, 3:45 am)
Re: 2.6.25-rc8-mm2, Geert Uytterhoeven, (Sun Apr 13, 4:11 am)
2.6.25-rc8-mm2: boot hang after "ACPI: using IOAPIC for inte..., Alexey Dobriyan, (Fri Apr 11, 2:29 am)
Re: 2.6.25-rc8-mm2: boot hang after "ACPI: using IOAPIC for ..., Pekka Enberg, (Fri Apr 11, 2:43 am)
Re: 2.6.25-rc8-mm2: boot hang after "ACPI: using IOAPIC for ..., Pekka Enberg, (Fri Apr 11, 6:35 am)
Re: 2.6.25-rc8-mm2: boot hang after "ACPI: using IOAPIC for ..., Alexey Dobriyan, (Fri Apr 11, 5:07 pm)
Re: 2.6.25-rc8-mm2: boot hang after "ACPI: using IOAPIC for ..., Pekka J Enberg, (Fri Apr 11, 5:25 pm)
Re: 2.6.25-rc8-mm2: boot hang after "ACPI: using IOAPIC for ..., Alexey Dobriyan, (Fri Apr 11, 7:09 pm)
2.6.25-rc8-mm2: boot hang after "ACPI: using IOAPIC for inte..., Alexey Dobriyan, (Fri Apr 11, 2:28 am)
Re: 2.6.25-rc8-mm2, , (Sat Apr 12, 1:53 am)
Re: 2.6.25-rc8-mm2, Andrew Morton, (Sat Apr 12, 2:07 am)
Re: 2.6.25-rc8-mm2: Observed problems: Not a detailed bug re..., Zan Lynx, (Tue Apr 15, 1:00 pm)
Re: 2.6.25-rc8-mm2: Observed problems: Not a detailed bug re..., Andrew Morton, (Tue Apr 15, 2:42 pm)
Re: 2.6.25-rc8-mm2: Observed problems: Not a detailed bug re..., Rafael J. Wysocki, (Tue Apr 15, 4:12 pm)
2.6.25-rc8-mm2 - ftraced chews 100% of a CPU, , (Sat Apr 12, 6:47 am)