Macbook pro shuts down?

Question

I was working today when my mac suddenly froze, a "curtain" fell, and i was told to restart my computer. upon restart i got this error message:
Wed Apr  8 10:26:03 2009
panic(cpu 0 caller 0x0039CC8B): "m_free: freeing an already freed mbuf"@/SourceCache/xnu/xnu-1228.9.59/bsd/kern/uipc_mbuf.c:3575
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x5b853a98 : 0x12b4f3 (0x45b13c 0x5b853acc 0x1335e4 0x0) 
0x5b853ae8 : 0x39cc8b (0x493ef0 0xde42480 0x64 0x64) 
0x5b853b68 : 0x5b88fdf6 (0x57636800 0x57636800 0x0 0x0) 
0x5b853c98 : 0x5b88ff66 (0x5baa9000 0x5baa9000 0x57636800 0x2) 
0x5b853cf8 : 0x5b88beaf (0x5baa9000 0x5baa9000 0x0 0x6ee1900) 
0x5b853d38 : 0x617211 (0x5baa9000 0x5bb1a12c 0x0 0x0) 
0x5b853da8 : 0x860117 (0x6eb0000 0x6ee3b00 0x0 0x0) 
0x5b853e48 : 0x860ac2 (0x6eb0000 0xe6a5224 0x0 0x0) 
0x5b853ec8 : 0x860b17 (0x6eb0000 0x0 0x0 0x40de1a) 
0x5b853ee8 : 0x85996c (0x6eb0000 0x0 0x5b853f18 0x859a50) 
0x5b853f18 : 0x4224ff (0x6eb0000 0x0 0x1 0x19eb5b) 
0x5b853f68 : 0x42165c (0x6eadc80 0x0 0x1 0x136e3e) 
0x5b853f98 : 0x42133e (0x6eb9040 0x5b853fdc 0x5b853fc8 0x1a8ddc) 
0x5b853fc8 : 0x1a017c (0x6eb9040 0x0 0x1a30b5 0x12f6e600) 
Backtrace terminated-invalid frame pointer 0
      Kernel loadable modules in backtrace (with dependencies):
         com.Ralink.driver.RT73(1.1.8)@0x5b875000->0x5b8a9fff
            dependency: com.apple.iokit.IOPCIFamily(2.5)@0x642000
            dependency: com.apple.iokit.IONetworkingFamily(1.6.1)@0x652000
            dependency: com.apple.iokit.IOUSBFamily(3.2.7)@0x612000
         com.apple.driver.AppleUSBEHCI(3.2.5)@0x856000->0x867fff
            dependency: com.apple.iokit.IOPCIFamily(2.5)@0x642000
            dependency: com.apple.iokit.IOUSBFamily(3.2.7)@0x612000
         com.apple.iokit.IOUSBFamily(3.2.7)@0x612000->0x63afff

BSD process name corresponding to current thread: kernel_task

Mac OS version:
9G55

Kernel version:
Darwin Kernel Version 9.6.0: Mon Nov 24 17:37:00 PST 2008; root:xnu-1228.9.59~1/RELEASE_I386
System model name: MacBookPro4,1 (Mac-F42C89C8)

whats wrong?

cybercider · Accepted Answer

Hmm, you can take this for a grain of sand if you want, as I do not know enough about Macs to give a good answer anymore.  I've never seen that message or anything like it really.  As I said, the last time I really worked with macs was back in the early OSX days.  You could try zapping the PRAM, which sort of sets the board and memory back to factory defaults.  On the other hand, it might not work at all.  Start the computer holding CTRL APPLE SHIFT and P.  The computer should reboot after a short time of you holding these keys on boot.  Hold the keys and let the computer boot about 4 or 5 times, holding the buttons continuously.  Let go on the fifth reboot and see what happens.  Otherwise you might have a corrupted OS that needs to be reinstalled, you could hardware issues (which is very rare on macs in my experience) or you could have some other issue altogether.  In other words, I've probably been no help, but I'm curious to know what happens.  Please try this at your own risk as I have not had any mac experience in the last 8 years or so.

Jo · Answer

you need to contact apple and tell them what's going on.1-800-APL-CARE (1-800-275-2273)

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Macbook pro shuts down?

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