[uClinux-dev] how to fix "invalid kernel stack pointer"

From: Abhishek Thakur (Abhishek.Thakur@Synchronous.net)
Date: Fri Dec 28 2001 - 22:00:40 EST


Hi,
   We are using NETSilicon based uClinux software and have been facing some
extremely infrequent crashes, which start with something like that quoted
below.
   Where should we look out to find a possible cause in the problem.
   Is this a kernel-stack issue, process-stack too low, memory corruption
..?? Anybody encountered such bug? any suggestions/likely approach to debug
further would be welcome.

Thanks
Abhishek

-------
Internal error: Vector exception: 12c00000
CPU: 0
pc : [<0000815c>]
lr : [<0000b378>]
sp : 000080e0  ip : 0000809c  fp : 000080e0
r10: 000080e0  r9 : 000080e0  r8 : 000080e0
r7 : 00000000  r6 : 000000be  r5 : 00000000  r4 : 00000000
r3 : 60000013  r2 : fffffc18  r1 : 6f6f6220  r0 : 00000000
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32
Process snmpd (pid: 26, stackpage=01fe7000)
Stack: 000080e0 invalid kernel stack pointer
Backtrace: invalid frame pointer
Code: 0a000010 e1a00005 e591312c e3530000 15913130
------

This message resent by the uclinux-dev@uclinux.org list server http://www.uClinux.org/


This archive was generated by hypermail 2.1.4 : Thu Sep 19 2002 - 13:20:39 EDT