[Mono-dev] Mono HEAD eating all CPU

Lluis Sanchez Gual lluis at novell.com
Wed May 7 06:44:22 EDT 2008


Hmm, looks like I can repro anymore after updating again.

El dc 07 de 05 del 2008 a les 04:24 +0200, en/na Lluis Sanchez Gual va
escriure:
> I updated mono to HEAD and now MonoDevelop eats all CPU when running. I
> think this is caused by the InotifyWatcher code, since if I define
> MONO_MANAGED_WATCHER=1 everything works fine.
> 
> This is the managed stack trace of the thread waiting on the watcher:
> 
> 
> "" tid=0x0x47432b90 this=0x0x488678:
>   at (wrapper managed-to-native) System.IO.InotifyWatcher.ReadFromFD
> (intptr,byte[],intptr) <0x00004>
>   at (wrapper managed-to-native) System.IO.InotifyWatcher.ReadFromFD
> (intptr,byte[],intptr) <0xffffffff>
>   at System.IO.InotifyWatcher.Monitor () [0x00010]
> in /home/lluis/work/mcs/class/System/System.IO/InotifyWatcher.cs:369
>   at (wrapper runtime-invoke) System.Object.runtime_invoke_void
> (object,intptr,intptr,intptr) <0xffffffff>
> 
> And this is the stack trace shown by gdb. That
> mono_thread_interruption_checkpoint_request call looks weird to me.
> 
> #0  0xffffe410 in __kernel_vsyscall ()
> #1  0x4020203b in read () from /lib/libc.so.6
> #2  0x4639d7fd in ?? ()
> #3  0xffffffff in ?? ()
> #4  0x007ae010 in ?? ()
> #5  0x00001000 in ?? ()
> #6  0x408b40aa in ?? ()
> #7  0x007ae010 in ?? ()
> #8  0x0943dcf0 in ?? ()
> #9  0x0943dcf0 in ?? ()
> #10 0x081008c3 in mono_thread_interruption_checkpoint_request (
>     bypass_abort_protection=-9) at threads.c:3449
> #11 0x4639d71c in ?? ()
> #12 0xffffffff in ?? ()
> #13 0x007ae000 in ?? ()
> 
> 
> Any clue?
> Lluis.
> 
> 
> 
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