[sf-lug] advice on Mac iBookG4 kernel panic

Owen Pietrokowsky opietro at yahoo.com
Tue Sep 14 18:24:21 PDT 2010

A friend of mine is having a problem with her Mac iBookG4 Logic Board; she gets 
a kernel panic like the following:

Mon Sep 13 13:54:53 2010
panic(cpu 0 caller 0x000A4554): attempt to interlock mutex (0x0218DD80) failed 
on mutex lock

Latest stack backtrace for cpu 0:
         0x000954F8 0x00095A10 0x00026898 0x000A4554 0x000868C4 0x00086F28 
0x002D8EE4 0x002B219C 

         0x002D9150 0x002D85B4 0x002D8D30 0x002DA328 0x0099E9F4 0x0099E710 
0x00999194 0x0097D014 

         0x002E9A80 0x002EB94C 0x0008C248 0x00029234 0x000233F8 0x000ABEAC 

      Kernel loadable modules in backtrace (with dependencies):
            dependency: com.apple.iokit.IOPCIFamily(1.7)@0x48d000
            dependency: com.apple.iokit.IOGraphicsFamily(1.4.2)@0x90a000
            dependency: com.apple.iokit.IONDRVSupport(1.4.2)@0x92e000
Proceeding back via exception chain:
   Exception state (sv=0x2D672C80)
      PC=0x9000AF48; MSR=0x0200F030; DAR=0x012D2048; DSISR=0x40000000; 
LR=0x9000AE9C; R1=0xBFFFE8E0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007;  

Apple says this kernel panic problem may be related to the graphics card 
(attached to logic board). 


Owen Pietrokowsky
Editor, writer 
Biotech, high-tech, linux, materials science
opietro at yahoo.com


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