* Unable to handle kernel paging request for instruction fetch???
@ 2008-04-01 4:18 郭劲
2008-04-01 17:09 ` Scott Wood
0 siblings, 1 reply; 2+ messages in thread
From: 郭劲 @ 2008-04-01 4:18 UTC (permalink / raw)
To: linuxppc-embedded
Hi,all,
I run the iperf tool to test the ethernet throughput for my MPC8360E board, after
about 20 minutes, the exception is happened. Could you tell me why?
Unable to handle kernel paging request for instruction fetch
Faulting instruction address: 0x4e800020
Oops: Kernel access of bad area, sig: 11 [#1]
MPC836x MDS
Modules linked in: encoder mpc_sync k_spi(P)
NIP: 4e800020 LR: c01a08d4 CTR: 00000000
REGS: ef6e3b10 TRAP: 0400 Tainted: P (2.6.22)
MSR: 20009032 <EE,ME,IR,DR> CR: 22848284 XER: 00000000
TASK = c0232810[56] 'iperf' THREAD: ef6e2000
GPR00: 4e800020 ef6e3bc0 c0232810 ef6e1100 00000000 00000000 00000020 00000000
GPR08: 00000000 c0024570 0c9dcf08 00000000 42848288 1002668c 0fffe000 007fff00
GPR16: c026c9bc ef6e3e30 c0232810 00000001 00000000 00000000 00000000 00002000
GPR24: ef6e1160 00000000 00000014 cff213c8 cff213a0 00000020 ef6e1100 00000000
Call Trace:
[ef6e3bc0] [c0247a00] (unreliable)
[ef6e3c00] [c01a3af4]
[ef6e3c20] [c019e8a0]
[ef6e3c30] [c019efe0]
[ef6e3c60] [c01a6ad0]
[ef6e3c80] [c01966a0]
[ef6e3ca0] [c0196d38]
[ef6e3d00] [c016a2e8]
[ef6e3d20] [c0165a14]
[ef6e3e20] [c0166f44]
[ef6e3f00] [c01677ec]
[ef6e3f40] [c000f3e8]
--- Exception: c01Instruction dump:
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
Kernel panic - not syncing: Fatal exception in interrupt
Rebooting in 180 seconds..
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Unable to handle kernel paging request for instruction fetch???
2008-04-01 4:18 Unable to handle kernel paging request for instruction fetch??? 郭劲
@ 2008-04-01 17:09 ` Scott Wood
0 siblings, 0 replies; 2+ messages in thread
From: Scott Wood @ 2008-04-01 17:09 UTC (permalink / raw)
To: 郭劲; +Cc: linuxppc-embedded
郭劲 wrote:
> Hi,all,
>
> I run the iperf tool to test the ethernet throughput for my MPC8360E board, after
> about 20 minutes, the exception is happened. Could you tell me why?
>
>
> Unable to handle kernel paging request for instruction fetch
> Faulting instruction address: 0x4e800020
> Oops: Kernel access of bad area, sig: 11 [#1]
> MPC836x MDS
> Modules linked in: encoder mpc_sync k_spi(P)
Can you reproduce it with kallsyms enabled, and without the out-of-tree
module(s)?
> NIP: 4e800020 LR: c01a08d4 CTR: 00000000
Something branched to a bad address from 0xc01a08d0. Can you look up
what line that is in your kernel?
-Scott
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2008-04-01 17:09 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2008-04-01 4:18 Unable to handle kernel paging request for instruction fetch??? 郭劲
2008-04-01 17:09 ` Scott Wood
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).