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Author Topic: Mac OS X Tiger Kernel Panics, 2 in 3 days
tweety
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Icon 11 posted January 07, 2010 08:42      Profile for tweety   Author's Homepage     Send New Private Message       Edit/Delete Post   Reply With Quote 
Hey everyone,
It's wayward Tweety. Hate to hit and ask a technical question, then run (is the life now in most everything), but beyond banging my head against a wall for a few days, I thought of all of you. Here's the skinny: Two days ago I was fiddling with a Divx file on my Mac (Mac mini, G4 1.42 GHz, 1 GB RAM, Tiger 10.4.11, running off an external Firewire drive) and crashed my machine with a kernel panic. I figured my version of OS X didn't really care for trying to show a preview of a Divx file in the Finder, hence the crash. Told myself to not do that again.

Well, this morning I was checking my email (Thunderbird) and in one of my accounts I saw that Thunderbird had nicely put a message in the Spam folder (well, technically, it was Gmail, this account is set up as an IMAP account), when I went to click on it and delete it, I lingered for a couple of seconds to see what it was and then BAM, kernel panic.

I rebooted into my internal drive and when I told the machine to send the crash report it gave me the backtrace, which looks to have originated with the com.apple.iokit.IOUSBFamily. Here's what I have hooked in via USB: an external WD drive used for backup; a 4-port USB hub that has the keyboard, a USB cable for hooking in my phone (not used during either panic), the printer, a USB web cam.

Any ideas as to what is going on? Currently, I'm running TechTool to see if there are any directory/file issues. Already ran some hardware tests, but nothing unusual came up. Also, unplugged everything but the keyboard (which has the mouse plugged in to the keyboard's hub).

Any help would be greatly, greatly appreciated. And, yeah, this little guy is way out of warranty, so anything that would involve not taking it in to the Apple Store would be great. Otherwise, for what I know Apple repairs cost, I'd rather just buy a new machine.

--------------------
If I were a good man I'd talk to you more often than I do.
American Fairy Tales
IT, A Philosophy

Posts: 454 | From: IL | Registered: May 2005  |  IP: Logged
tweety
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Icon 1 posted January 07, 2010 08:51      Profile for tweety   Author's Homepage     Send New Private Message       Edit/Delete Post   Reply With Quote 
For further fun reading, here's the panic.log:

Thu Jan 7 08:58:15 2010


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000000 PC=0x00000000002D1248
Latest crash info for cpu 0:
Exception state (sv=0x2D8F7C80)
PC=0x002D1248; MSR=0x00009030; DAR=0x00000000; DSISR=0x40000000; LR=0x002D2250; R1=0x176FBC40; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x002D2244 0x0046B944 0x0047FC84 0x002EC058 0x0008C69C 0x00029234
0x000233F8 0x000ABEAC 0xC389A038
Kernel loadable modules in backtrace (with dependencies):
com.apple.iokit.IOUSBFamily(2.8.1)@0x463000
Proceeding back via exception chain:
Exception state (sv=0x2D8F7C80)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x2DA1DC80)
PC=0x9000AF48; MSR=0x0000F030; DAR=0xE02FD000; DSISR=0x42000000; LR=0x9000AE9C; R1=0xBFFFB9D0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007; root:xnu-792.24.17~1/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
Backtrace:
0x000954F8 0x00095A10 0x00026898 0x000A8204 0x000ABB80
Proceeding back via exception chain:
Exception state (sv=0x2D8F7C80)
PC=0x002D1248; MSR=0x00009030; DAR=0x00000000; DSISR=0x40000000; LR=0x002D2250; R1=0x176FBC40; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x002D2244 0x0046B944 0x0047FC84 0x002EC058 0x0008C69C 0x00029234
0x000233F8 0x000ABEAC 0xC389A038
Kernel loadable modules in backtrace (with dependencies):
com.apple.iokit.IOUSBFamily(2.8.1)@0x463000
Exception state (sv=0x2DA1DC80)
PC=0x9000AF48; MSR=0x0000F030; DAR=0xE02FD000; DSISR=0x42000000; LR=0x9000AE9C; R1=0xBFFFB9D0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007; root:xnu-792.24.17~1/RELEASE_PPC
*********

EDIT: I just checked the previous panic.log file and it shows a kernel panic stemming from com.apple.ATIRadeon8500, which makes sense given I'm certain the Finder's attempt to show a preview of that Divx file is what killed the machine.

--------------------
If I were a good man I'd talk to you more often than I do.
American Fairy Tales
IT, A Philosophy

Posts: 454 | From: IL | Registered: May 2005  |  IP: Logged
TheMoMan
BlabberMouth, a Blabber Odyssey
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Icon 1 posted January 07, 2010 10:05      Profile for TheMoMan         Edit/Delete Post   Reply With Quote 
____ Tweety, From what I heard from the EDS people where I worked crash reports may or may not point out the smoking gun. It may only show what happened up to the event. Kind of like the black boxes in airplanes, once the power fails it stops recording.

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Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety.


Benjamin Franklin,

Posts: 5848 | From: Just South of the Huron National Forest, in the water shed of the Rifle River | Registered: Sep 2002  |  IP: Logged
tweety
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Icon 1 posted January 07, 2010 10:12      Profile for tweety   Author's Homepage     Send New Private Message       Edit/Delete Post   Reply With Quote 
TheMoMan – Well, so far it's all I have to go on. My first thought was that maybe there was a loose USB cable, just loose enough to cause trouble, but not so loose to actually have a drive/device disconnected. Essentially, wiggling around and maybe causing some sort of short or signal hijinx which the kernel really didn't like.

Now that everything but the keyboard is disconnected, I'll see if it happens again over the next day or two.

Of course, one thing I did last night, which the last couple of times seemed a bit goofy, was transfer a video file from my machine to the FIL's Vista laptop. For some reason, the last few times I've done that the Finder has beachballed until the transfer is complete. Then, of course, the laptop was shutdown, causing the Finder to completely wig out (as it is want to do in Tiger when it loses a network connection).

But, my Mac came back, and seemed to be working fine.

--------------------
If I were a good man I'd talk to you more often than I do.
American Fairy Tales
IT, A Philosophy

Posts: 454 | From: IL | Registered: May 2005  |  IP: Logged


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