[Mono-bugs] [Bug 345416] New: XSP2 / mod_mono instability

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Fri Nov 30 22:08:31 EST 2007


           Summary: XSP2 / mod_mono instability
           Product: Mono: Class Libraries
           Version: SVN
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Sys.Web
        AssignedTo: mhabersack at novell.com
        ReportedBy: mmorano at mikeandwan.us
         QAContact: mono-bugs at ximian.com
          Found By: ---

Lately I have been experiencing instability with running my asp.net website on
xsp2 as well as mod_mono.  I've setup an unhandled exception handler as
described by a reference on Marek's comment on bug #325507, and after letting
XSP run for less than a day (with next to no requests against it), it dies, and
am left with this output (as the handler writes the following to the console):

** (/usr/local/lib/mono/2.0/xsp2.exe:17425): WARNING **: CreateThread: error
creating thread handle
Handling exception type ExecutionEngineException
Message is Couldn't create thread
IsTerminating is set to True
2007-11-30 12:40:21,785 [Timer-Scheduler] FATAL - 

UnhandledException logged by UnhandledExceptionModule:



message=Couldn't create thread

  at (wrapper managed-to-native)
System.Object:__icall_wrapper_mono_delegate_begin_invoke (object,intptr)
  at (wrapper delegate-begin-invoke)
  at System.Threading.ThreadPool.QueueUserWorkItem
(System.Threading.WaitCallback callback, System.Object state) [0x00000] 
  at System.Threading.Timer.SchedulerThread () [0x00000] 
  at (wrapper delegate-invoke) System.MulticastDelegate:invoke_void ()

** (/usr/local/lib/mono/2.0/xsp2.exe:17425): WARNING **:
_wapi_thread_abandon_mutexes: error looking up thread handle 0x1414

** (/usr/local/lib/mono/2.0/xsp2.exe:17425): WARNING **:
_wapi_thread_set_termination_details: error looking up thread handle 0x1414

It looked like there might be some simliar bugs already entered (#320983,
#321772), but this looks slightly different.  I'm running on from a week old
SVN codebase.

For the mod_mono instance, when this occurs (in less than a day, just like
xsp2), I end up getting the 503 error from apache (service temporarily
unavailable).  Additionally, I do not get the output above in my log4net
logfile like I do with the XSP2 writing output to the log4net console appender. 

The only update I have done recently was to try and build mono w/ moonlight
enabled so I could play with it.

Please let me know if there is any other information I can provide.


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