TjerkW:

I am wondering, are you using sockets for this type of application?

I have run into a similar problem where a front-end application
written on Android in Java connects through a socket to a back-end
server (not a "Service", in Android terms) written in C.  During
stress-testing, I killed my server to see how the app would react.
When I did this, the device would flood logcat with "GCC freed blah
blah blah".  This was because I had a separate thread which ran once
it connected, it would send a request for data, expecting to receive
something back from a server that was no longer there.

Perhaps your application or web server believes it is still connected,
has a process running that is trying to send/receive data, or similar.


Regards,

sws-vinpa.


On Jul 6, 9:43 am, TjerkW <[email protected]> wrote:
> Basically this stops me from properly implementing a background file
> upload.
> Anybody has an idea what is going on here?
>
> On Jul 6, 12:02 pm, TjerkW <[email protected]> wrote:> I have a Service which 
> uploads a big file to a webserver. This works
> > fine on the emulator (android 2.1).
>
> > But if i run it on a Nexus One Froyo phone it starts out fine. But
> > after a while it is in an infinite GC loop.
> > The whole phone becomes unusable:
>
> > 07-06 11:56:28.916: DEBUG/ImageUploadService(2351):
> > onPictureUploadProgress 60
> > 07-06 11:56:28.987: VERBOSE/
> > HyvesUpload::mediaUpload::onProgress(2351): progress: 60
> > 07-06 11:56:28.987: DEBUG/ImageUploadService(2351):
> > onPictureUploadProgress 60
> > 07-06 11:56:29.057: VERBOSE/
> > HyvesUpload::mediaUpload::onProgress(2351): progress: 60
> > 07-06 11:56:29.057: DEBUG/ImageUploadService(2351):
> > onPictureUploadProgress 60
> > 07-06 11:56:29.127: VERBOSE/
> > HyvesUpload::mediaUpload::onProgress(2351): progress: 61
> > 07-06 11:56:29.127: DEBUG/ImageUploadService(2351):
> > onPictureUploadProgress 61
> > 07-06 11:56:29.196: VERBOSE/
> > HyvesUpload::mediaUpload::onProgress(2351): progress: 61
> > 07-06 11:56:29.196: DEBUG/ImageUploadService(2351):
> > onPictureUploadProgress 61
> > 07-06 11:56:29.476: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 25.533MB to 24.000MB
> > 07-06 11:56:29.476: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 14048
> > objects / 515832 bytes in 240ms
> > 07-06 11:56:29.497: VERBOSE/
> > HyvesUpload::mediaUpload::onProgress(2351): progress: 61
> > 07-06 11:56:29.497: DEBUG/ImageUploadService(2351):
> > onPictureUploadProgress 61
> > 07-06 11:56:29.567: VERBOSE/
> > HyvesUpload::mediaUpload::onProgress(2351): progress: 61
> > 07-06 11:56:29.567: DEBUG/ImageUploadService(2351):
> > onPictureUploadProgress 61
> > 07-06 11:56:29.847: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 25.791MB to 24.000MB
> > 07-06 11:56:29.847: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 6001
> > objects / 217168 bytes in 235ms
> > 07-06 11:56:29.877: VERBOSE/
> > HyvesUpload::mediaUpload::onProgress(2351): progress: 62
> > 07-06 11:56:29.877: DEBUG/ImageUploadService(2351):
> > onPictureUploadProgress 62
> > 07-06 11:56:30.157: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 25.911MB to 24.000MB
> > 07-06 11:56:30.157: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 2591
> > objects / 92632 bytes in 241ms
> > 07-06 11:56:30.407: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 25.964MB to 24.000MB
> > 07-06 11:56:30.407: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 1044
> > objects / 36816 bytes in 224ms
> > 07-06 11:56:30.407: VERBOSE/
> > HyvesUpload::mediaUpload::onProgress(2351): progress: 62
> > 07-06 11:56:30.407: DEBUG/ImageUploadService(2351):
> > onPictureUploadProgress 62
> > 07-06 11:56:30.657: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 25.982MB to 24.000MB
> > 07-06 11:56:30.657: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 509
> > objects / 18232 bytes in 232ms
> > 07-06 11:56:30.897: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:30.897: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 240ms
> > 07-06 11:56:30.897: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:30.897: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 28-byte allocation
> > 07-06 11:56:31.136: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:31.136: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 233ms
> > 07-06 11:56:31.136: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:31.136: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 24-byte allocation
> > 07-06 11:56:31.377: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:31.377: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 245ms
> > 07-06 11:56:31.377: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:31.377: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 28-byte allocation
> > 07-06 11:56:31.617: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:31.617: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 234ms
> > 07-06 11:56:31.617: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:31.617: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 28-byte allocation
> > 07-06 11:56:31.847: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:31.847: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 234ms
> > 07-06 11:56:31.847: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:31.847: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 28-byte allocation
> > 07-06 11:56:32.097: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:32.097: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 1
> > objects / 32 bytes in 243ms
> > 07-06 11:56:32.097: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:32.097: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 8-byte allocation
> > 07-06 11:56:32.337: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:32.337: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 240ms
> > 07-06 11:56:32.337: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:32.337: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 28-byte allocation
> > 07-06 11:56:32.567: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:32.567: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 2
> > objects / 48 bytes in 235ms
> > 07-06 11:56:32.567: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:32.567: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 28-byte allocation
> > 07-06 11:56:32.817: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:32.817: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 242ms
> > 07-06 11:56:32.817: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:32.817: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 24-byte allocation
> > 07-06 11:56:33.057: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:33.057: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 1
> > objects / 32 bytes in 239ms
> > 07-06 11:56:33.057: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:33.057: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 12-byte allocation
> > 07-06 11:56:33.287: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:33.287: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 235ms
> > 07-06 11:56:33.287: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:33.287: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 52-byte allocation
> > 07-06 11:56:33.527: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:33.527: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 241ms
> > 07-06 11:56:33.527: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:33.527: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 52-byte allocation
> > 07-06 11:56:33.767: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:33.767: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 233ms
> > 07-06 11:56:33.767: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:33.767: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 24-byte allocation
> > 07-06 11:56:34.007: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:34.007: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 241ms
> > 07-06 11:56:34.007: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:34.007: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 20-byte allocation
> > 07-06 11:56:34.247: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:34.247: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 241ms
> > 07-06 11:56:34.247: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:34.247: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 38-byte allocation
> > 07-06 11:56:34.476: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:34.487: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 1
> > objects / 24 bytes in 233ms
> > 07-06 11:56:34.487: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:34.487: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 32-byte allocation
> > 07-06 11:56:34.726: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:34.726: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 243ms
> > 07-06 11:56:34.726: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:34.726: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 28-byte allocation
> > 07-06 11:56:34.967: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:34.967: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 239ms
> > 07-06 11:56:34.967: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:34.967: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 8-byte allocation
> > 07-06 11:56:35.196: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:35.196: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 235ms
> > 07-06 11:56:35.207: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:35.207: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 56-byte allocation
> > 07-06 11:56:35.447: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:35.447: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 2
> > objects / 48 bytes in 243ms
> > 07-06 11:56:35.447: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:35.447: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 28-byte allocation
> > 07-06 11:56:35.687: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:35.687: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 240ms
> > 07-06 11:56:35.687: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:35.687: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 20-byte allocation
> > 07-06 11:56:35.916: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:35.916: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 234ms
> > 07-06 11:56:35.916: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:35.927: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 24-byte allocation
> > 07-06 11:56:36.166: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:36.166: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 243ms
> > 07-06 11:56:36.166: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:36.166: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 28-byte allocation
> > 07-06 11:56:36.416: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:36.416: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 251ms
> > 07-06 11:56:36.416: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB
> > 07-06 11:56:36.416: INFO/dalvikvm-heap(1872): Grow heap (frag case) to
> > 24.000MB for 20-byte allocation
> > 07-06 11:56:36.657: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 26.000MB to 24.000MB
> > 07-06 11:56:36.657: DEBUG/dalvikvm(1872): GC_FOR_MALLOC freed 0
> > objects / 0 bytes in 234ms
> > 07-06 11:56:36.657: INFO/dalvikvm-heap(1872): Clamp target GC heap
> > from 24.000MB to 24.000MB

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