Powerbook still crashing after Leopard install

elmosmoe

Registered
Hello,

I've already posted once about how my Powerbook G4 1.25Ghz 1.25Gb RAM kept crashing after updating to Leopard. It usually crashes after it's gone to sleep. I try to wake it up, I hear the computer start up and nothing appears on the screen. I have to hold the power button down for ages to get it to restart.

I was advised to do a clean install which I did and it's still doing it. Sometimes it goes days without crashing, sometime it does it 3 times in a day.

Once restarted, it sometime says "Mac OS quit unexpectedly". Here's the error log:

Tue Mar 4 21:04:02 2008
panic(cpu 0 caller 0x002C9DCC): "MCHECK: m_type=9472 m=0x250d4d00"@/SourceCache/xnu/xnu-1228.3.13/bsd/kern/uipc_mbuf.c:2677
Latest stack backtrace for cpu 0:
Backtrace:
0x0009B2F8 0x0009BC9C 0x00029DC4 0x002C9DCC 0x0013EA94 0x0013BE34 0x002CE06C 0x002B5390
0x002B05A8 0x002B08A4 0x00309C3C 0x000B2AC8 0x00000000
Proceeding back via exception chain:
Exception state (sv=0x2e970780)
PC=0x9414D0DC; MSR=0x0200D030; DAR=0x00807A00; DSISR=0x40000000; LR=0x9185E2CC; R1=0xF007FAB0; XCP=0x00000030 (0xC00 - System call)

BSD process name corresponding to current thread: mDNSResponder

Mac OS version:
9C31

Kernel version:
Darwin Kernel Version 9.2.0: Tue Feb 5 16:15:19 PST 2008; root:xnu-1228.3.13~1/RELEASE_PPC
System model name: PowerBook5,2

When it doesn't give me the OSX quite unexpectedly error message, I checked my Console (as advised by someone previously) and there's usually something along the lines of

03/03/2008 21:13:54 com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
03/03/2008 21:13:54 com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
03/03/2008 21:13:54 com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
03/03/2008 21:14:29 com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[64]) Exited: Terminated

The programme that it mentions changes, sometimes it's Entourage, sometime it's Safari.

I've repaired permissions, verified disks and nothing appears to be wrong.

Help!

Thank you!
 
Do you have the original install disks for your system? If so, try running the Apple hardware tests. You should also test your memory - memtest will do this.
 
Hi there,

Thanks for this. I've just bought memtest. I can't find my original discs, where else can I get the Apple Hardware Test?

Cheers!
 
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