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<DIV><FONT face=Verdana color=#0000ff size=2>it's now print below. it's too late
here, sleep....</FONT></DIV>
<DIV><FONT face=Verdana color=#0000ff size=2></FONT> </DIV>
<DIV><FONT face=Verdana color=#0000ff size=2>thanks</FONT></DIV>
<DIV><FONT face=Verdana color=#0000ff size=2></FONT> </DIV>
<DIV>^_^=>bootm 300000</DIV>
<DIV> </DIV>
<DIV>## Booting image at 00300000 ...<BR> Image Name:
Linux-2.6.20.14<BR> Image Type: PowerPC Linux Kernel
Image (gzip compressed)<BR> Data Size: 839246
Bytes = 819.6 kB<BR> Load Address: 00000000<BR> Entry
Point: 00000000<BR> Verifying Checksum ... OK<BR>
Uncompressing Kernel Image ... OK<BR>## Current stack ends at 0x01D5DB10 =>
set upper limit to 0x00800000<BR>No initrd<BR>## Transferring control to Linux
(at address 00000000) ...<BR>bootm1<BR>Linux version 2.6.20.14 (<A
href="mailto:root@localhost.localdomain">root@localhost.localdomain</A>) (gcc
version 4.0.0 (DENX ELDK 4.0 4.0.0)) #2 Thu Aug 9 23:26:51 CST
2007<BR>I2C/SPI/SMC1 microcode patch installed.<BR>Zone PFN ranges:<BR>
DMA 0
-> 2048<BR>
Normal 2048 ->
2048<BR>early_node_map[1] active PFN ranges<BR>
0: 0 ->
2048<BR>Built 1 zonelists. Total pages: 2032<BR>Kernel command line:
<BR>PID hash table entries: 32 (order: 5, 128 bytes)<BR>Decrementer Frequency =
187500000/60<BR>Warning: real time clock seems stuck!<BR>cpm_uart: console:
compat mode<BR>Dentry cache hash table entries: 1024 (order: 0, 4096
bytes)<BR>Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)<BR>Memory:
6164k available (1252k kernel code, 604k data, 84k init, 0k
highmem)<BR>Mount-cache hash table entries: 512<BR>Zq001:
start_kernel<BR>------------[ cut here ]------------<BR>Badness at
arch/ppc/kernel/dma-mapping.c:345<BR>Call Trace:<BR>[00213E60] [00008BA0]
(unreliable)<BR>[00213E90] [000A1370] <BR>[00213EA0] [0000388C] <BR>[00213ED0]
[0000304C] <BR>[00213F90] [001A29B4] <BR>[00213FA0] [000022B0] <BR>[00213FF0]
[00004A80] <BR>NET: Registered protocol family 16<BR>Generic PHY: Registered new
driver<BR>NET: Registered protocol family 2<BR>IP route cache hash table
entries: 1024 (order: 0, 4096 bytes)<BR>TCP established hash table entries: 256
(order: 0, 4096 bytes)<BR>TCP bind hash table entries: 128 (order: -1, 2560
bytes)<BR>TCP: Hash tables configured (established 256 bind 128)<BR>TCP reno
registered<BR>audit: initializing netlink socket
(disabled)<BR>audit(4294836223.218:1): initialized<BR>audit: cannot initialize
inotify handle<BR>io scheduler noop registered (default)<BR>Serial: CPM driver
$Revision: 0.02 $<BR>cpm_uart: WARNING: no UART devices found on platform
bus!<BR>cpm_uart: the driver will guess configuration, but this mode is no
longer supported.<BR>ttyCPM0 at MMIO 0xff000a80 (irq = 20) is a CPM
UART<BR>RAMDISK driver initialized: 16 RAM disks of 16384K size 1024
blocksize<BR>LXT970: Registered new driver<BR>LXT971: Registered new
driver<BR>fs_enet.c:v1.0 (Aug 8, 2005)<BR>------------[ cut here
]------------<BR>kernel BUG at arch/ppc/kernel/dma-mapping.c:233!<BR>Oops:
Exception in kernel mode, sig: 5 [#1]<BR>NIP: 00005584 LR: 00005538 CTR:
00000000<BR>REGS: 00213e90 TRAP: 0700 Not tainted
(2.6.20.14)<BR>MSR: 00029032 <EE,ME,IR,DR> CR: 55222253 XER:
A000247F<BR>TASK = 00210ba0[1] 'swapper' THREAD: 00212000<BR>GPR00: 00400165
00213F40 00210BA0 001EDD64 00000000 00000BDA 00269FFC 00000000 <BR>GPR08:
00160648 00000001 00401000 00400164 00000000 41082001 02000000 00000001
<BR>GPR16: 00000000 01FFFA54 FFFFFFFF 00000000 00800000 007FFF00 01FFAA14
00213F78 <BR>GPR24: 005FF000 00160000 00000000 001EDD40 00001000 001E6000
00231220 001EDD20 <BR>Call Trace:<BR>[00213F40] [00005508]
(unreliable)<BR>[00213F70] [001A3578] <BR>[00213FA0] [000022B0] <BR>[00213FF0]
[00004A80] <BR>Instruction dump:<BR>38630658 4813226d 7fc3f378 48050eb5 7fe3fb78
7f44d378 48041b35 48000078 <BR>801d0000 5400066e 3160ffff 7d2b0110
<0f090000> 38000400 7d20f828 7d290378 <BR>Kernel panic - not syncing:
Attempted to kill init!<BR> <0>Rebooting in 180 seconds..</DIV>
<DIV> </DIV>
<DIV><FONT face=Verdana size=2></FONT> </DIV>
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<DIV align=left><FONT face=Verdana size=2>
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<DIV><FONT color=#c0c0c0><FONT face=Verdana size=2>poorbeyond</FONT></DIV>
<DIV><FONT face=Verdana size=2>2007-08-09</FONT></FONT></DIV></DIV>
<DIV><FONT face=Verdana size=2>
<HR>
</FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>发件人：</STRONG> Scott
Wood</FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>发送时间：</STRONG>
2007-08-07 05:24:12</FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>收件人：</STRONG> Dan
Malek</FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>抄送：</STRONG> poorbeyond; Linux-ppc
mail list</FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>主题：</STRONG> Re: my cpu is MPC860,
kernel version is 2.6.20.14, the kernel startinfo in the mail. why does the
kernel panic?</FONT></FONT></DIV>
<DIV><FONT face=Verdana size=2></FONT> </DIV>
<DIV><FONT face=Verdana size=2>
<DIV>Dan Malek wrote:</DIV>
<DIV>> On Aug 6, 2007, at 8:52 AM, Scott Wood wrote:</DIV>
<DIV>> </DIV>
<DIV>>
> It wouldn't surprise me if the 8xx code has issues with PREEMPT; try</DIV>
<DIV>> > turning it off for now.</DIV>
<DIV>> </DIV>
<DIV>> </DIV>
<DIV>> What is your reason that 8xx would be any different?</DIV>
<DIV> </DIV>
<DIV>It's just a suspicion based on my dealings with the CPM code, and the </DIV>
<DIV>fact that the crash appeared to happen in the CPM ethernet driver. It </DIV>
<DIV>could be wrong, but it doesn't hurt to try without PREEMPT and see if </DIV>
<DIV>the problem remains.</DIV>
<DIV> </DIV>
<DIV>-Scott</DIV>
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