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Old 07-06-2007, 06:24 PM   #1
saturdaygo123
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Repeated SYSTEM FAILURE using OSX PPC Tiger Mac OS X 10.4.10 (8R218)

Hi there,

for about three months I have repeatedly serious problems using my Mac OSX PPC Tiger system (see header) (iMac).
It all began with repeated shutdowns, i.e. the system told me to restart again. This happened almost every day and more frequently day by day.
Virus scanners didnīt detect any viruses at all.
In the meantime there appeared repeated Kernel panics as well .
I tried to to use the UNIX-repair system using the "fsck"-program - then the system detected a hardware problem, which was repaired by using "fsck -y".
Finally I decided to format the harddisk after having repaired it - then after installing OSX 10.4 again, after a couple of days the same problems appeared again, again more frequently in the following weeks.
I tried to reset P-RAM and NV-Ram - but altogether it didnīt help at all.
Lately there appears the message" System Failure: cpu=0; code=00000008 (Unaligned stack). Latest crash info for cpu 0: Exception state (sv=0x2FAF7280); PC=0x000ABA08; MSR=0x00001030; DAR=0x01801000; DSISR=0x42000000; LR=0x000AB8CC; R1=0x003. Backtrace: backtrace terminated - unaligned frame address: 0x003D9328. Proceeding back via exception chain: Exception state (sv=0x2FAF7280), PC=0x00000040; DAR=0x01801000; DSISR=0x400000000; LR=0x00000001; R1=0x8030x0000000. Exception state (sv=0x5555555) Not mapped or invalid. stopping...

Can anybody help? I really donīt know what to do.

Thanks very much
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Old 07-06-2007, 11:39 PM   #2
hayne
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Join Date: Jan 2002
Location: Montreal
Posts: 32,409
1) This doesn't seem to be about OS X Server, so I moved the thread to the System forum section.

2) You should try the standard troubleshooting suggestions:
http://www.apple.com/support/mac101/ (see the "My Mac needs help" section)
http://www.macosxhints.com/article.p...04011205473937
http://forums.osxfaq.com/viewtopic.php?t=7269
http://www.thexlab.com/faqs/faqs.html

And be sure to check the RAM with 'memtest':
http://www.memtestosx.org/

3) If you are having repeated problems with your filesystem - such that 'fsck -fy' is often finding things that need fixing - then there is likely a hardware problem with your hard disk and so you probably should:
a) backup immediately
b) replace the disk
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