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sorry - forgot Kim + List<br>
<br>
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<th align="right" nowrap="nowrap" valign="baseline">Betreff: </th>
<td>Re: MPC8343 - "unable to handle paging request @ 0"</td>
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<th align="right" nowrap="nowrap" valign="baseline">Datum: </th>
<td>Tue, 08 Apr 2008 13:29:20 +0200</td>
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<th align="right" nowrap="nowrap" valign="baseline">Von: </th>
<td>Andre Schwarz <a class="moz-txt-link-rfc2396E" href="mailto:andre.schwarz@matrix-vision.de"><andre.schwarz@matrix-vision.de></a></td>
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<th align="right" nowrap="nowrap" valign="baseline">An: </th>
<td>Scott Wood <a class="moz-txt-link-rfc2396E" href="mailto:scottwood@freescale.com"><scottwood@freescale.com></a></td>
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<th align="right" nowrap="nowrap" valign="baseline">Referenzen: </th>
<td><a class="moz-txt-link-rfc2396E" href="mailto:47F73625.9040903@matrix-vision.de"><47F73625.9040903@matrix-vision.de></a>
<a class="moz-txt-link-rfc2396E" href="mailto:20080407161036.GA2688@loki.buserror.net"><20080407161036.GA2688@loki.buserror.net></a></td>
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Scott Wood schrieb:
<blockquote cite="mid:20080407161036.GA2688@loki.buserror.net"
type="cite">
<pre wrap="">On Sat, Apr 05, 2008 at 10:19:49AM +0200, André Schwarz wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Kernel starts and crashes with "unable to handle kernel paging request @
00000000".
After turning debug on in some files I can see that the initrd memory
gets reserved and the dtb is parsed correctly.
PCI memory/io spaces are set up fine.
At first I thought this is a problem with the device tree since the call
trace always points to "of_"-functions and "strcmp".
</pre>
</blockquote>
<pre wrap=""><!---->
Could you provide this call trace?
-Scott
</pre>
</blockquote>
Scott,<br>
<br>
after removing "mpc834x_usb_cfg()" from my "mvblm7_setup_arch()" the
crash is delayed ...<br>
<br>
<br>
regards,<br>
Andre<br>
<br>
<br>
<br>
System-map :<br>
<br>
c0012098 T strcpy<br>
c00120b4 T strncpy<br>
c00120f4 T strcat<br>
c0012120 T strcmp<br>
c0012144 T strlen<br>
...<br>
c00ecd08 T of_find_property<br>
c00ecda4 T of_get_property<br>
c00ecdd8 T of_n_size_cells<br>
<br>
console [udbg0] enabled<br>
setup_arch: bootmem<br>
mvblm7_setup_arch()<br>
arch: exit<br>
Zone PFN ranges:<br>
DMA 0 -> 131072<br>
Normal 131072 -> 131072<br>
Movable zone start PFN for each node<br>
early_node_map[1] active PFN ranges<br>
0: 0 -> 131072<br>
Built 1 zonelists in Zone order, mobility grouping on. Total pages:
130048<br>
Kernel command line: root=/dev/ram ro rootfstype=squashfs<br>
PID hash table entries: 2048 (order: 11, 8192 bytes)<br>
clocksource: timebase mult[3c00001] shift[22] registered<br>
Unable to handle kernel paging request for data at address 0x00000000<br>
Faulting instruction address: 0xc0012128<br>
Oops: Kernel access of bad area, sig: 11 [#1]<br>
mvBlueLYNX-M7<br>
Modules linked in:<br>
NIP: c0012128 LR: c00ecd44 CTR: 00000007<br>
REGS: c0193ec0 TRAP: 0300 Not tainted
(2.6.25-rc8-01197-g1de15bb-dirty)<br>
MSR: 00009032 <EE,ME,IR,DR> CR: 48002048 XER: 00000000<br>
DAR: 00000000, DSISR: 20000000<br>
TASK = c0182510[0] 'swapper' THREAD: c0192000<br>
GPR00: c00ecdb4 c0193f70 c0182510 00000000 c01401c7 ffffffff c017a808
c00db350<br>
GPR08: 00000000 c0180000 000a2c20 c017d3f4 48000042 ffffdfd7 1fffd000
00000000<br>
GPR16: ffffdfd7 ffffdfd7 00000000 00000000 1fff8974 1ff426f8 00000004
00288000<br>
GPR24: 00000000 00000000 c0198fa0 c0190000 c0190000 00000000 c01401c8
dfffffa8<br>
Call Trace:<br>
[c0193f70] [00001111] (unreliable)<br>
[c0193f90] [c00ecdb4]<br>
[c0193fa0] [c016df50]<br>
[c0193fb0] [c017705c]<br>
[c0193fc0] [c01646b4]<br>
[c0193ff0] [00003438]<br>
Instruction dump:<br>
3884ffff 8c050001 2c000000 4082fff8 38a5ffff 8c040001 2c000000 9c050001<br>
4082fff4 4e800020 38a3ffff 3884ffff <8c650001> 2c830000 8c040001
7c601851<br>
---[ end trace 8640abe69a316dee ]---<br>
Kernel panic - not syncing: Attempted to kill the idle task!<br>
Rebooting in 180 seconds.. <br>
<br>
<BR>
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