From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@osdl.org>
Subject: Re: 2.6.17-mm2 -- Slab corruption, plus invalid opcode: 0000 [#1]
 -- 4K_STACKS PREEMPT -- last sysfs file: /block/md0/dev
Date: Sun, 25 Jun 2006 12:00:26 -0700
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To: Miles Lane <miles.lane@gmail.com>
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On Sun, 25 Jun 2006 11:53:22 -0700
"Miles Lane" <miles.lane@gmail.com> wrote:

> Hi Andrew,
> 
> > Do you have CONFIG_HOTPLUG_CPU=y?
> 
> I rebuilt with all the PCI hotplug stuff enabled.
> dmesg output suggests I don't have this hardware:
> 
> pci_hotplug: PCI Hot Plug PCI Core version: 0.5
> fakephp: Fake PCI Hot Plug Controller Driver
> cpqphp: Compaq Hot Plug PCI Controller Driver version: 0.9.8
> acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
> acpiphp_ibm: ibm_find_acpi_device:  Failed to get device
> information<3>acpiphp_ibm: ibm_find_acpi_device:  Failed to get device
> information<3>acpiphp_ibm: ibm_acpiphp_init: acpi_walk_namespace
> failed
> cpcihp_generic: Generic port I/O CompactPCI Hot Plug Driver version: 0.1
> cpcihp_generic: not configured, disabling.
> shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
> 
> I still get:
> 
> BUG: unable to handle kernel paging request at virtual address 9e82ee96
>  printing eip:
> c13d029f
> *pde = 00000000
> Oops: 0002 [#1]
> 4K_STACKS PREEMPT
> last sysfs file: /block/md0/dev
> Modules linked in: speedstep_centrino cpufreq_stats freq_table
> cpufreq_powersave cpufreq_performance cpufreq_conservative video
> thermal sony_acpi processor fan container button battery asus_acpi ac
> vfat fat nls_utf8 ntfs dm_mod sr_mod sbp2 parport_pc lp parport
> snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss
> snd_pcm snd_timer ipw2200 snd soundcore rtc ata_piix libata 8139cp
> 8139too mii ieee80211 ieee80211_crypt snd_page_alloc sdhci mmc_core
> ohci1394 ieee1394 scsi_mod pcspkr ehci_hcd uhci_hcd joydev
> CPU:    0
> EIP:    0060:[<c13d029f>]    Not tainted VLI
> EFLAGS: 00010203   (2.6.17-mm2 #4)
> EIP is at cpufreq_register_driver+0x16/0x129

Do you have
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17/2.6.17-mm2/hot-fixes/cpufreq_register_driver-section-fix.patch
applied?