In my case, 4.0.1 has not fixed the problem. I'm going to do some more
investigation via a test app, but at the moment I'm a bit clueless.
-Aaron
On Tue, Dec 13, 2011 at 2:18 PM, chris@Terrago <cdr...@terragotech.com>wrote:
> I have to pile on to this thread because I am experiencing the EXACT same
> problem on 1.2, 1.9.x, and now 4.0. I have an AsyncTask running in the
> background performing a long-running task (polygon tessellation among other
> things). The application crashes randomly after a period of time. If I
> attempt to step into the application using the debugger I cannot isolate a
> single point of failure, it varies. It does seem to be strongly correlated
> to how much is being done on the background thread, shorter operations are
> successful. The single constant symptom is that the crash always occurs
> immediately after the monodroid garbage collector runs and is followed by
> an
> empty stacktrace in the log. Below I have included the relevant segment of
> the log, look at the entries for process ID 6349. Just like Aaron, I have
> found that simpler test apps do not reproduce the problem, for me it seems
> to be related to how much data my background thread is processing and how
> many iterations are performed. I just noticed that 4.0.1 has been released
> (*fingers crossed* :) )
>
>
> 12-08 17:22:13.644 D/dalvikvm( 6349): GC_EXPLICIT freed 4995 objects /
> 300176 bytes in 30ms
> 12-08 17:22:13.644 I/monodroid-gc( 6349): GC cleanup summary: 21 objects
> tested - resurrecting 15.
> 12-08 17:22:14.519 E/wpa_supplicant( 1439): in wpa_drv_driver_cmd
> 12-08 17:22:14.519 D/wpa_supplicant( 1439): wpa_driver_tista_driver_cmd
> RSSI-APPROX
> 12-08 17:22:14.519 D/wpa_supplicant( 1439): rssi-approx command
> 12-08 17:22:14.519 E/wpa_supplicant( 1439): in wpa_drv_driver_cmd
> 12-08 17:22:14.519 D/wpa_supplicant( 1439): wpa_driver_tista_driver_cmd
> LINKSPEED
> 12-08 17:22:14.519 D/wpa_supplicant( 1439): Link Speed command
> 12-08 17:22:14.519 D/wpa_supplicant( 1439): buf LinkSpeed 54
> 12-08 17:22:17.387 D/dalvikvm( 5993): GC_EXPLICIT freed 239 objects / 14312
> bytes in 36ms
> 12-08 17:22:17.519 E/wpa_supplicant( 1439): in wpa_drv_driver_cmd
> 12-08 17:22:17.519 D/wpa_supplicant( 1439): wpa_driver_tista_driver_cmd
> RSSI-APPROX
> 12-08 17:22:17.519 D/wpa_supplicant( 1439): rssi-approx command
> 12-08 17:22:17.519 E/wpa_supplicant( 1439): in wpa_drv_driver_cmd
> 12-08 17:22:17.519 D/wpa_supplicant( 1439): wpa_driver_tista_driver_cmd
> LINKSPEED
> 12-08 17:22:17.519 D/wpa_supplicant( 1439): Link Speed command
> 12-08 17:22:17.519 D/wpa_supplicant( 1439): buf LinkSpeed 54
> 12-08 17:22:17.777 W/PowerManagerService( 1375): Timer 0x7->0x3|0x1
> 12-08 17:22:17.777 I/PowerManagerService( 1375): Ulight 7->3|0
> 12-08 17:22:20.519 E/wpa_supplicant( 1439): in wpa_drv_driver_cmd
> 12-08 17:22:20.519 D/wpa_supplicant( 1439): wpa_driver_tista_driver_cmd
> RSSI-APPROX
> 12-08 17:22:20.519 D/wpa_supplicant( 1439): rssi-approx command
> 12-08 17:22:20.519 E/wpa_supplicant( 1439): in wpa_drv_driver_cmd
> 12-08 17:22:20.519 D/wpa_supplicant( 1439): wpa_driver_tista_driver_cmd
> LINKSPEED
> 12-08 17:22:20.519 D/wpa_supplicant( 1439): Link Speed command
> 12-08 17:22:20.519 D/wpa_supplicant( 1439): buf LinkSpeed 54
> 12-08 17:22:23.519 E/wpa_supplicant( 1439): in wpa_drv_driver_cmd
> 12-08 17:22:23.519 D/wpa_supplicant( 1439): wpa_driver_tista_driver_cmd
> RSSI-APPROX
> 12-08 17:22:23.519 D/wpa_supplicant( 1439): rssi-approx command
> 12-08 17:22:23.519 E/wpa_supplicant( 1439): in wpa_drv_driver_cmd
> 12-08 17:22:23.519 D/wpa_supplicant( 1439): wpa_driver_tista_driver_cmd
> LINKSPEED
> 12-08 17:22:23.519 D/wpa_supplicant( 1439): Link Speed command
> 12-08 17:22:23.519 D/wpa_supplicant( 1439): buf LinkSpeed 54
> 12-08 17:22:26.519 E/wpa_supplicant( 1439): in wpa_drv_driver_cmd
> 12-08 17:22:26.519 D/wpa_supplicant( 1439): wpa_driver_tista_driver_cmd
> RSSI-APPROX
> 12-08 17:22:26.519 D/wpa_supplicant( 1439): rssi-approx command
> 12-08 17:22:26.527 E/wpa_supplicant( 1439): in wpa_drv_driver_cmd
> 12-08 17:22:26.527 D/wpa_supplicant( 1439): wpa_driver_tista_driver_cmd
> LINKSPEED
> 12-08 17:22:26.527 D/wpa_supplicant( 1439): Link Speed command
> 12-08 17:22:26.527 D/wpa_supplicant( 1439): buf LinkSpeed 54
> 12-08 17:22:27.644 D/BatteryService( 1375): update start
> 12-08 17:22:27.652 D/BatteryService( 1375): updateBattery level:72
> scale:100
> status:4 health:2 present:true voltage: 3866 temperature: 343 technology:
> Li-ion AC powered:false USB powered:true icon:17302563
> 12-08 17:22:27.668 D/Tethering( 1375): active iface (usb0) reported as
> added, ignoring
> 12-08 17:22:27.668 D/WifiService( 1375): ACTION_BATTERY_CHANGED
> pluggedType:
> 2
> 12-08 17:22:27.668 D/BatteryService( 1375): update start
> 12-08 17:22:27.676 D/BatteryService( 1375): update start
> 12-08 17:22:29.199 I/mono ( 6349): Stacktrace:
> 12-08 17:22:29.199 I/mono ( 6349):
> 12-08 17:22:29.215 I/WindowManager( 1375): WIN DEATH: Window{48f7d828
> SurfaceView paused=false}
> 12-08 17:22:29.223 I/ActivityManager( 1375): Process
> TerragoMobileAndroid.TerragoMobileAndroid (pid 6349) has died.
> 12-08 17:22:29.230 I/WindowManager( 1375): WIN DEATH: Window{49007770
>
> TerragoMobileAndroid.TerragoMobileAndroid/terragomobileandroid.TGOMobileApplication
> paused=false}
> 12-08 17:22:29.238 I/Launcher( 1467): onResume(). mIsNewIntent : false
> 12-08 17:22:29.238 I/UsageStats( 1375): Unexpected resume of
> com.sec.android.app.twlauncher while already resumed in
> TerragoMobileAndroid.TerragoMobileAndroid
>
> --
> View this message in context:
> http://mono-for-android.1047100.n5.nabble.com/Thread-Exceptions-Without-Stacktrace-tp5069711p5072804.html
> Sent from the Mono for Android mailing list archive at Nabble.com.
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