[Mono-dev] Mono HEAD eating all CPU

[Lluis Sanchez Gual]

It happened again.  MD started normally, stack traces showed nothing
weird. But at some point CPU jumped to 100%, and I could verify that one
of the threads was stuck in that
mono_thread_interruption_checkpoint_request call.

El dc 07 de 05 del 2008 a les 12:44 +0200, en/na Lluis Sanchez Gual va
escriure:
> 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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> > http://lists.ximian.com/mailman/listinfo/mono-devel-list
> 
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