Ok, have tried to do this but didn't get very far. Froze up, but no Program ID info in MonoDevelop Application Output. In Xcode console, This is what I have:
Jul 30 20:53:51 unknown com.apple.debugserver-64[6966] <Warning>: debugserver-64 for armv6 Copyright (c) 2007-2009 Apple, Inc. All Rights Reserved. Jul 30 20:53:51 unknown com.apple.debugserver-64[6966] <Warning>: Connecting to com.apple.debugserver service... Jul 30 20:53:51 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.groovepond.app[0x4710]) Spawned and waiting for the debugger to attach before continuing... Jul 30 20:53:51 unknown com.apple.debugserver-64[6966] <Warning>: Got a connection, waiting for debugger instructions for task "(null)". Jul 30 20:53:51 unknown com.apple.debugserver-64[6966] <Warning>: 1 [1b36/1303]: error: ::read ( 4, 0x2ff609d4, 1024 ) => -1 err = Bad file descriptor (0x00000009) Jul 30 20:53:51 unknown com.apple.debugserver-64[6958] <Warning>: 1 [1b2e/0303]: error: ::read ( 4, 0x2fe1c4b0, 1024 ) => 0 err = Bad file descriptor (0x00000009) Jul 30 20:53:51 unknown mobile_installation_proxy[6962] <Error>: main: Could not receive request from host. Jul 30 20:53:51 unknown mobile_installation_proxy[6955] <Error>: main: Could not receive request from host. Jul 30 20:53:52 unknown kernel[0] <Debug>: lockbot[6949] Builtin profile: debugserver (sandbox) Jul 30 20:53:52 unknown kernel[0] <Debug>: launchd[6967] Builtin profile: container (sandbox) Jul 30 20:53:52 unknown kernel[0] <Debug>: launchd[6967] Container: /private/var/mobile/Applications/FEEC09F1-ADBD-4605-9E63-11B64257189C [69] (sandbox) Jul 30 20:54:20 unknown lockdownd[26] <Error>: libMobileGestalt computeUniqueDeviceID: total time for bb to return imei: 0 Jul 30 20:54:20 unknown lockdownd[26] <Notice>: 015d4000 copy_phonenumber: CTSettingCopyMyPhoneNumber() returned NULL Jul 30 20:54:21 unknown lockdownd[26] <Error>: libMobileGestalt computeUniqueDeviceID: total time for bb to return imei: 0 Jul 30 20:54:21 unknown lockdownd[26] <Notice>: 015d4000 copy_phonenumber: CTSettingCopyMyPhoneNumber() returned NULL > Jul 30 20:54:21 unknown DTFetchSymbols[6977] <Notice>: Found paths: Jul 30 20:54:21 unknown DTFetchSymbols[6977] <Notice>: /usr/lib/dyld Jul 30 20:54:21 unknown DTFetchSymbols[6977] <Notice>: /System/Library/Caches/com.apple.dyld/dyld_shared_cache_armv7 Jul 30 20:54:21 unknown DTFetchSymbols[6977] <Notice>: /Developer/usr/lib/CFDataFormatters.dylib Jul 30 20:54:21 unknown DTFetchSymbols[6977] <Notice>: /Developer/usr/lib/libdebugnub.dylib Jul 30 20:54:21 unknown DTFetchSymbols[6977] <Notice>: /Developer/usr/lib/libXcodeDebuggerSupport.dylib > Jul 30 20:54:21 unknown DTFetchSymbols[6977] <Notice>: /Developer/Library/PrivateFrameworks/GPUTools.framework/libglInterpose.dylib Jul 30 20:54:21 unknown DTFetchSymbols[6977] <Notice>: /Developer/Library/PrivateFrameworks/GPUToolsCore.framework/GPUToolsCore Jul 30 20:54:21 unknown DTFetchSymbols[6977] <Notice>: /Developer/Library/PrivateFrameworks/DevToolsBundleInjection.framework/DevToolsBundleInjection Jul 30 20:54:21 unknown DTFetchSymbols[6977] <Notice>: /Developer/Library/Frameworks/SenTestingKit.framework/SenTestingKit I tried to gdb all PIDs mentioned (6977 etc...) and got the error below: MacbookAir:~ Dermot$ gdb program <6977> -bash: syntax error near unexpected token `6977' MacbookAir:~ Dermot$ gdb program 6977 GNU gdb 6.3.50-20050815 (Apple version gdb-1708) (Mon Aug 8 20:32:45 UTC 2011) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "x86_64-apple-darwin"...File 'program' does not exist or is not a regular file. /Users/Dermot/6977: No such file or directory Unable to access task for process-id 6977: (os/kern) failure. On Mon, Jul 30, 2012 at 1:55 AM, Rolf Bjarne Kvinge <r...@xamarin.com>wrote: > Hi, > > On Sat, Jul 28, 2012 at 3:50 AM, dermotos <m...@dermotos.com> wrote: > >> Does anyone else experience random lockups/freezes of their app when >> debugging? >> >> It may indeed be some deadlocks in my code, but before I go hunting for >> them >> I thought id check incase maybe its a debugger issue. >> Strange thing is it only seems to happen when debugging, but I know from >> experience that issues like deadlocks/race conditions etc can often happen >> when the debugger is attached, simply because it may slow down certain >> parts >> of the code, and cause the issue to manifest itself (rather than being an >> actual problem with the debugger). >> > > There have been several bugs with the debugger that causes lockups / > freezes, but it could also be your own code. > > The easiest way to determine this is to get a native stack trace for all > threads for the app: > > Find the pid of the app - it is printed to the application output in > MonoDevelop at startup. > > Then execute from a terminal: > > > gdb program <PID> > (gdb will attach, some output until a gdb prompt appears:) > $(gdb) thread apply all backtrace > (gdb will print stack traces for all threads). > > Get all the output from the terminal, save it to a file and send it to the > lists, and we'll easily be able to figure out if it's a deadlock in your > code or if it's in the debugger. > > Rolf > > >> >> >> >> -- >> View this message in context: >> http://monotouch.2284126.n4.nabble.com/lockups-during-debugging-or-deadlocks-in-my-code-tp4656215.html >> Sent from the MonoTouch mailing list archive at Nabble.com. >> _______________________________________________ >> MonoTouch mailing list >> MonoTouch@lists.ximian.com >> http://lists.ximian.com/mailman/listinfo/monotouch >> > >
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