Interesting that it's happening while scanning the PCI bus, some odd device there? What's the device probed after e100 on the old kernel?<div><br></div><div>-Scott<br><br><div class="gmail_quote">On Sat, May 23, 2009 at 3:05 PM, Jim Kinney <span dir="ltr"><<a href="mailto:jim.kinney@gmail.com">jim.kinney@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Couldn't leave well enough alone. Just _HAD_ to do some updates...<br>
<br>
New kernel 2.6.18-128.1.10.el5 to upgrade from 2.6.18-92.1.22.el5.<br>
It's unhappy as can be seen from the line beginning with the word BUG:<br>
. Always a bad sign. null pointer dereference at 00000000 is pointing<br>
to the start of RAM with no room to move. looks like a bug to me.<br>
<br>
Rolled back to original kernel so people can still play ping/pong...<br>
<br>
Linux Plug and Play Support v0.97 (c) Adam Belay<br>
pnp: PnP ACPI: disabled<br>
usbcore: registered new driver usbfs<br>
usbcore: registered new driver hub<br>
PCI: Probing PCI hardware<br>
PCI: Firmware left 0000:00:06.0 e100 interrupts enabled, disabling<br>
PCI: Discovered peer bus 01<br>
BUG: unable to handle kernel NULL pointer dereference at virtual<br>
address 00000000<br>
printing eip:<br>
c04eeb97<br>
*pde = 00000000<br>
Oops: 0000 [#1]<br>
SMP<br>
last sysfs file:<br>
Modules linked in:<br>
CPU: 0<br>
EIP: 0060:[<c04eeb97>] Not tainted VLI<br>
EFLAGS: 00010286 (2.6.18-128.1.10.el5 #1)<br>
EIP is at pci_create_bus+0x47/0x19a<br>
eax: 00000000 ebx: dffb7200 ecx: 00000000 edx: 00000001<br>
esi: dffb7000 edi: c06a4c50 ebp: 00000001 esp: c1488f68<br>
ds: 007b es: 007b ss: 0068<br>
Process swapper (pid: 1, ti=c1488000 task=c1489aa0 task.ti=c1488000)<br>
Stack: 00000018 00000000 c06a4a24 00000001 00000018 00000000 c04ef984 00000000<br>
c06a4a24 c0712214 00000000 c065a0e2 00000001 00009005 00000000 c0724a3c<br>
00000000 c06f55a8 c06f0fd8 c0404e06 00000202 c06f542b 00000000 00000000<br>
Call Trace:<br>
[<c04ef984>] pci_scan_bus_parented+0xa/0x1f<br>
[<c0712214>] pci_legacy_init+0xb6/0xdf<br>
[<c06f55a8>] init+0x17d/0x24a<br>
[<c0404e06>] ret_from_fork+0x6/0x1c<br>
[<c06f542b>] init+0x0/0x24a<br>
[<c06f542b>] init+0x0/0x24a<br>
[<c0405c53>] kernel_thread_helper+0x7/0x10<br>
=======================<br>
Code: 00 00 a1 f4 62 68 c0 ba d0 00 00 00 e8 9b 00 f8 ff 85 c0 89 c6<br>
0f 84 51 01 00 00 8b 44 24 1c 89 ea 89 7b 40 89 43 44 8b 4c 24 1c <8b><br>
01 e8 00 41 00 00 85 c0 89 04 24 0f 85 28 01 00 00 b8 a8 e3<br>
EIP: [<c04eeb97>] pci_create_bus+0x47/0x19a SS:ESP 0068:c1488f68<br>
<0>Kernel panic - not syncing: Fatal exception<br>
<br>
<br>
--<br>
<font color="#888888">--<br>
James P. Kinney III<br>
Actively in pursuit of Life, Liberty and Happiness<br>
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</font></blockquote></div><br></div>