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<TITLE> [Mono-bugs] [Bug 473150] Yet another generics related deadlock
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<H1>[Mono-bugs] [Bug 473150] Yet another generics related deadlock</H1>
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<B>bugzilla_noreply at novell.com</B>
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<A HREF="mailto:mono-bugs%40lists.ximian.com?Subject=%5BMono-bugs%5D%20%5BBug%20473150%5D%20Yet%20another%20generics%20related%20deadlock&In-Reply-To=bug-473150-28286%40https.bugzilla.novell.com/"
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TITLE="[Mono-bugs] [Bug 473150] Yet another generics related deadlock">bugzilla_noreply at novell.com
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<I>Wed Feb 11 08:17:11 EST 2009</I>
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<PRE><A HREF="https://bugzilla.novell.com/show_bug.cgi?id=473150">https://bugzilla.novell.com/show_bug.cgi?id=473150</A>
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User <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">rkumpera at novell.com</A> added comment
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<A HREF="https://bugzilla.novell.com/show_bug.cgi?id=473150#c8">https://bugzilla.novell.com/show_bug.cgi?id=473150#c8</A>
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Rodrigo Kumpera <<A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">rkumpera at novell.com</A>> changed:
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What |Removed |Added
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----------------------------------------------------------------------------
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CC| |<A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">mprobst at novell.com</A>
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--- Comment #8 from Rodrigo Kumpera <<A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">rkumpera at novell.com</A>> 2009-02-11 06:17:10 MST ---
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Hi Lluis,
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This time it's a generics related deadlock.
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Thread 2 (Thread 0xb50bab90 (LWP 24422)):
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#4 0x081958cb in templates_lock () at generic-sharing.c:140
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Tries to get the templates lock.
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#7 0x08189e05 in mono_image_close (image=0x8558168) at image.c:1365
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Acquires the loader lock a few lines before.
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Thread 3 (Thread 0xb58feb90 (LWP 24416)):
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#5 0x08195a6a in rgctx_template_set_other_slot (image=0xb6562200,
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template=0xb566a9fc, type_argc=0, slot=2, data=0xb53a2328, info_type=1)
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at generic-sharing.c:428
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Tries to acquire the loader lock.
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#7 0x08196d90 in mono_method_lookup_or_register_other_info (
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method=0xb545d658, in_mrgctx=0, data=0xb53a2328, info_type=1,
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generic_context=0xb545d67c) at generic-sharing.c:921
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The stack trace on this case is broken due to heavy inlining done by gcc
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but the call chain is:
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mono_method_lookup_or_register_other_info
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lookup_or_register_other_info
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*get the templates lock on line 1029
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register_other_info
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rgctx_template_set_other_slot
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*tries to get the loader lock.
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I'll commit my fix to trunk and 2.4.
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Mark, it's your turn with the bucket.
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--
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You are the QA contact for the bug.
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