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MacPro freezes. Cursor moves but all is locked. Need to do a hard reboot

Hello Everyone,


I need your help in trying to figure out why my MacPro in the last 3 days has locked up twice. I just happend this morning again. What I get is a frozen screen. I can move the cursor, but clicking, or using the keyboard has not effect. I also noticed that the time on the screen is not updating as well. I need to press and hold the power button to reboot.


When I check the console log I see the following info... Note that the screen froze at 6:18 if that is of any help


User uploaded file

Mac Pro, OS X Mountain Lion (10.8.5), 2008 Mac Pro 2.8Ghz, 8 Cores. 16GB

Posted on Oct 4, 2013 8:43 AM

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19 replies

Mar 1, 2015 9:06 PM in response to Linc Davis

Hi Linc,


I know this is an old thread. But I have been having similar problems involving my macbook pro.


I ran your terminal test using:

syslog -k Sender kernel -k Message CReq 'GPU D|I/O|nspace-h|n Cause: -|timed? ?o' | tail | open -ef

And I got text that appeared in TextEdit.

I would appreciate if you could let me know what this means:


Tue Feb 24 02:32:23 Nicks-MacBook-Pro kernel[0] <Debug>: PM notification timeout (pid 493, iTunes)

Tue Feb 24 22:02:07 Nicks-MacBook-Pro kernel[0] <Debug>: AFP_VFS afpfs_DoReconnect: Max reconnect time: 30 secs, Connect timeout: 15 secs for /Volumes/Sonos HD Library

Tue Feb 24 23:03:07 Nicks-MacBook-Pro kernel[0] <Debug>: AFP_VFS afpfs_DoReconnect: Max reconnect time: 30 secs, Connect timeout: 15 secs for /Volumes/Sonos HD Library

Wed Feb 25 23:55:31 Nicks-MacBook-Pro kernel[0] <Debug>: disk1: I/O error.

Wed Feb 25 23:55:33 Nicks-MacBook-Pro kernel[0] <Debug>: disk1: I/O error.

Fri Feb 27 18:04:44 Nicks-MacBook-Pro kernel[0] <Debug>: Previous Shutdown Cause: -60

MacPro freezes. Cursor moves but all is locked. Need to do a hard reboot

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