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Re: Spin Control can't sample unresponsive Xcode 3

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Re: Spin Control can't sample unresponsive Xcode 3

Subject: Re: Spin Control can't sample unresponsive Xcode 3
From: Rick Altherr <email@hidden>
Date: Tue, 13 Nov 2007 09:08:18 -0800


On Nov 13, 2007, at 2:30 AM, Steve Checkoway wrote:

Hi,
This latest hang happened when I scrolled a file slightly. Checking the Console, I find that it is filled with entries like

11/13/07 2:14:45 AM Spin Control[941] *** Process unreadable: 2 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 5fbfce60 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 04b57c30 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 12b60c40 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 12be38d0 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 12f748a0 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 12ff8620 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 1307b940 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 0f00ed20 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 14302610 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 13c67760 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 152236f0 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 0f8f18d0 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 145803c0 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 14603790 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 12612b60 11/13/07 2:14:45 AM Spin Control[941] thread_read_stack: invalid frame pointer: 4bbca9d0 11/13/07 2:14:45 AM Spin Control[941] Waiting 20 msecs for System framework to be loaded... 11/13/07 2:14:45 AM Spin Control[941] Waiting 40 msecs for System framework to be loaded... 11/13/07 2:14:45 AM Spin Control[941] Waiting 80 msecs for System framework to be loaded... 11/13/07 2:14:45 AM Spin Control[941] Waiting 160 msecs for System framework to be loaded... 11/13/07 2:14:45 AM Spin Control[941] Waiting 320 msecs for System framework to be loaded... 11/13/07 2:14:45 AM Spin Control[941] Waiting 640 msecs for System framework to be loaded... 11/13/07 2:14:46 AM Spin Control[941] Waiting 1280 msecs for System framework to be loaded... 11/13/07 2:14:47 AM Spin Control[941] Waiting 2560 msecs for System framework to be loaded... 11/13/07 2:14:50 AM Spin Control[941] *** Process unreadable: 268435459 11/13/07 2:14:27 AM [0x0-0xdc0dc].com.apple.spincontrol[941] vmutils: can't find image for dynamic loader used by /Developer/ Applications/Xcode.app/Contents/MacOS/Xcode [160]! 11/13/07 2:14:36 AM [0x0-0xdc0dc].com.apple.spincontrol[941] vmutils: can't find image for dynamic loader used by /Developer/ Applications/Xcode.app/Contents/MacOS/Xcode [160]! 11/13/07 2:14:45 AM [0x0-0xdc0dc].com.apple.spincontrol[941] vmutils: can't find image for dynamic loader used by /Developer/ Applications/Xcode.app/Contents/MacOS/Xcode [160]! 11/13/07 2:15:50 AM [0x0-0xdc0dc].com.apple.spincontrol[941] vmutils: can't find image for dynamic loader used by kernel_task [-1]!
More interestingly are the earlier lines like:
11/13/07 2:13:42 AM [0x0-0xdc0dc].com.apple.spincontrol[941] vmutils: can't find image for dynamic loader used by /Developer/ Applications/Xcode.app/Contents/MacOS/Xcode [160]!
Clearly, something is wrong and I need to file a bug report. I don't know what data to include here though. I have really nothing to say about Xcode except that at times it is completely unusable because even the simplest task of scrolling a file takes 20 minutes to complete, but no data to show that at all. Do I file one against spin control?
--
Steve Checkoway

The output from SpinControl indicates that it wasn't updated for some changes in dyld. Using Shark with Unresponsive App Profiling will work. Instruments would also probably work.

--
Rick Altherr
Architecture and Performance Group
email@hidden

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	>Spin Control can't sample unresponsive Xcode 3 (From: Steve Checkoway <email@hidden>)

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