Manager replace causing memory leaks?

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• LabView VB6 Dll interface causes memory leak

  Hello

  We use a large written in vb6 in our laboratory measurement built house software. Recently, we have added a new detector that is read using a labview vi that is called using a dll directly from vb6. Here, we call the function for example of read_detector which starts the collection of data and in a next step writes the data to a string. When you have finished the called function returns a pointer to the string and its length. VB6, we read this pointer and process data.

  This is a memory leak. This could be the case because we presets not memory for labview to write in and so just writing lab data in memory without releasing again? In the current configuration, the function of the dll is just called again and again and each lab view creates a variable outputstring.

  If we allocate the memory. How can we achieve for vb6?

  Best,

  Julian

  Well first of all, a handful of string LabVIEW is a very specific type of data LabVIEW. Not only is only LabVIEW himself knows exactly how to allocate and deallocate, but you must also allocate and deallocate in exactly the same instance of LabVIEW. Given that your LabVIEW DLL is executed for this purpose inside the DLL to run LabVIEW, you must also recover the LabVIEW memory manager functions according to DSDisposeHandle() of the lvrt.dll and call it after you are finished with the strings returned by the DLL function. This is however made very complicated since there are circumstances where not lvrt.dll is actually used by your DLL but another LabVIEW runtime system. And if you happen to have two DLLs created with different versions of LabVIEW LabVIEW, each of them will load and use its enforcement LabVIEW system according to DLL load next. Believe me, you don't want to know how next dll works and how to make this opportunity to work in an application. This is the way for Microsoft to create a monster to manage the hell of the DLL and in this way, rather to create exponential version of hell.

  You create just two memory leaks for each call of DLL function at the moment. LabVIEW creates a new handle of string for each of the parameters string at each call, you dereference the pointer, and then copy the contents into a SysString. But you let the chain handles LabVIEW blow created around the stack and the next your function call, you initialize the new variables of the battery which is initialized to null and LabVIEW creates two new handles. Also you need to do is to define an "Integer DSDisposeHandle(LStrHandle As Long)" exported lvrt.dll function and call it once you have copied the data of the handle in your SysString for both of these handles.

  But basically calling a DLL LabVIEW from no LabVIEW code and using LabVIEW handles string or array as parameters is several times more trouble that it's worth. The easiest would be fair, allocate a large enough buffer beforehand and pass those to the Configuration of the service DLL LabVIEW function to not accept a handful of string LabVIEW but a pointer to a string C instead. Do you work around the problem on the memory allocated by someone else to worry about your own program of VB and duty he properly release. The disadvantage of this approach is, that you should make sure that the memory allocated buffer is large enough for the maximum possible length that your DLL function may never return.

  But another approach might be to leave out LabVIEW total here and call the DAQmx APIs directly from VB.

• Windows Media Player ActiveX control causes memory leak

  I'm writing an application that will load and play *.avi files in an ActiveX control. The user must be able to load multiple files consecutively in the single player mode. However, it seems to be the memory leak every time that a file is loaded, even if it's the same file. For example, even when you load a small file in *.avi 81KO repeatedly, there is a memory leak ~ 6Mo coherent (as observed in the Manager of tasks). The leak memory is greater when I load larger files.

  I tried to deny it by adding using a Method Close by using the node invoke. It gets about 3 MB of RAM, but when I load the file again, it leaks ~ 9MB, leaving a net leak of ~ 6Mo once again.

  I also used reference close vi (s) to clear the memory ActiveX object, but that did not help either. In other versions of VI, I tried to eliminate the creation of a new IWMPlayer4 object using a shift register, but once again the leak memory persevered...

  It's a simple version of the VI, as well as the small video file attached. In my application, I want to be able to load large video files (~ 600 MB) several times without memory leaks. Thank you in advance for your help!

  -gpho

  Hi jareds.

  Thanks again for test it for me. I use Windows 7 and WMP version 12.

  As you requested, I tested it on a computer with Windows XP and WMP version 9 (and LabVIEW 8.2.1) and the problem of memory has disappeared. I then installed WMP version 11 on the same computer: still no memory problem.

  On the Windows 7 computer, I went back to version 11 using the instructions found on this link, and the problem of memory has disappeared. It seems that memory leak is due to a problem with WMP version 12 (although degraded version 11 on windows 7 has some bugs - and you can't go back to v12).

  Thanks again for the help!

  -gpho

• GetCurrent() ADFContext causes memory leak

  Hello

  I use jdev 12.1.3.

  I created a project that uses the Services Rest and when I run it in the integrated weblogic I get this

  <oracle.adf.common> <ADFContext> <getCurrent> <Automatically initializing a DefaultContext for getCurrent.
  Caller should ensure that a DefaultContext is proper for this use.
  Memory leaks and/or unexpected behaviour may occur if the automatic initialization is performed improperly.
  This message may be avoided by performing initADFContext before using getCurrent().
  For more information please enable logging for oracle.adf.share.ADFContext at FINEST level.>
  
  
  

  I also have another weblogic, external, to make my application deployments final in which I am also having the same message. The problem is that external stops my services because of this memory leak.

  I looked in my code, and the only reference I had of getCurrent is now deleted.

  I already own classes, make, and rebuild the two projects and I still get the same message.

  In this way, I think that the problem should lie in the services project, but I have no idea where specifically.

  Any help or advice on this subject?

  I looked at if there was a reference to the same problem and I found that unanswered explains my question.

  https://community.Oracle.com/thread/2533050

  Any help is appreciated

  The message tell you that it might be a memory leak, not part.

  In any case, you will need to dig deeper in this issue e.g. seting the log level to the most beautiful (as the message tell you to do). This way you find hence the getCurrent() is called.

  The framework calls this method too on several occasions. If the battery of the adf is not setup properly, you can get these messages. But without a full analysis, you can't fix it.

  If you have a support contract you can ask support.oracle.com for help on this too.

  Timo

• SetCtrlVal used during the Thread function works causes memory leaks

  I am writing a program that works if... Or not work if... - see the next lines... :-)...

  The program includes a section, mostly GUI - and User Interaction.

  The other part is a DLL. In the DLL we readings on an external consultant controller RS232. Sometimes the controller card needs (called how much) time and this time must pass then the result can be read card controller... and so on...

  Blocking is not GUI-user-program for the expectation of the return value of the DLL functions (which need a few seconds to be finished) I start a thread in the DLL with

  CmtScheduleThreadPoolFunction (DEFAULT_THREAD_POOL_HANDLE, THREAD_FunctionX, & tmpTFP, NULL);

  with "tmpTFP" as an instance of type "TYPE_THREAD_FUNCTION_PARAMETERS":

  typedef struct
  {
  //
  int IntVal1;                // 1. Integer-Wert
  int IntVal2;                // 2. Integer-Wert
  int IntVal3;                // 3. Integer-Wert
  int IntVal4;                // 4. Integer-Wert
  int IntVal5;                // 5. Integer-Wert
  //
  int IntBuffer1 [32];            // 1. Integer-buffer (aktuell genugt einer)
  //
  Double DblVal1;                // 1. Double-value
  Double DblVal2;                // 2. Double-value
  Double DblVal3;                // 3. Double-value
  Double DblVal4;                // 4. Double-value
  Double DblVal5;                // 5. Double-value
  //
  char CharVal1;                // 1. (Single)- Tank-Wert
  char CharVal2;                // 2. (Single)- Tank-Wert
  char CharVal3;                // 3. (Single)- Tank-Wert
  char CharVal4;                // 4. (Single)- Tank-Wert
  char CharVal5;                // 5. (Single)- Tank-Wert
  //
  char CharBuffer1 [1024];        // 1. Char buffer (akutell einer genugt)
  //
  } TYPE_THREAD_FUNCTION_PARAMETERS;

  In the GUI-user program - I get fast by default-return value of the thread start function.

  Then I asked the DLL (some global state variables are used for this) when it is finished.

  According to the map-controller (RS232) contacted the waiting time depends on the 'mood' of the controller card.

  In the DLL-mark of the GUI-user-program routine now everything works fine - without using "SetCtrlVal!"

  In my GUI, there is a text box of the info/comment for messages. If I do a few outputs user using 'SetCtrlVal' I always errors, caused by the false "TYPE_THREAD_FUNCTION_PARAMETERS"-values in the service of thread. "» If I set a breakpoint at the beginning thread-function I see mostly erroneous values in my transfer structure variables. If I put a breakpoint in the thread-function-calling 'CmtScheduleThreadPoolFunction (...)"and at the beginning of the thread values are (mostly) correct!

  I tried several and different things - but:

  If I ONLY (!)  Commenting on the (!) of a line with "SetCtrlVal", the program works, all States are asked out of the DLL.

  If I replace the "SetCtrlVal" with a written record-file function clean everything works fine and after completing the program I can look at the log file and see all the user information. BUT with 'SetCtrlVal' instead or set or (...) it does not work.

  My description is maybe not entirely clear, but believe me: only ONE line the «SetCtrlVal "line - should be commented out to let the program run properly!»

  Because if the line "SetCtrlVal"is program-user-GUI, after the call to the thread in the DLL, the DLL-memory seems to be corrupted by the call "SetCtrlVal" in the user-GUI program.»

  Best regards

  F.

  There may be a problem in your structure that your variable is set.

  You said that, after the address of the variable in the thread function the appellant one ends. Now, as you can read help each value passed in parameter threadFunctionData of the layed function must point to an area of memory that persist when the fuction is running: If your variable is defined at the level of the functions it is not valid when the thread runs since the appellant finished and released its local memory.

  Your approach with a global variable is a valid alternative, but if it is the solution, you will find data passed to the thread function must be valid for all his life.

• Loading external Images causes memory leak

  I worked on an Actionscript 2.0 project that essentially loads external images.
  Whenever I have load and unload a new image, memory increases to 1 or 2 MB
  If all the images are in the cache, then it grew 4 or 8 KBs
  In the unloading of the images, I took the charger and the container of the image.
  Any thoughts why it behaves like this?
  Please find the below sample code snippet.

  
  ////////////
  btn_load.onRelease = function()
  {
  loadImage();
  }
  btn_unLoad.onRelease = function()
  {
  unLoadImage();
  }
  var mcListener:Object = new Object();
  var container1:MovieClip;
  var mcLoader:MovieClipLoader;
  var loader_reference =;
  var n = 0;
  function loadImage() {}
  var image_arr = ["http://xyz.com/image1.png ',' http://xyz.com/image2.png ',' http://xyz.com/image3.png ',' http: /xyz.com/image4.png http://xyz.com/image5.png ',''"];
  image_url var = image_arr [n];
  {if(n==image_arr.) (Length-1)}
  n = 0;
  } else {}
  n ++ ;
  }
  
  container1 = loader_reference.createEmptyMovieClip ("Container1", loader_reference.getNextHighestDepth ());
  mcLoader = new MovieClipLoader();
  mcLoader.removeListener (mcListener);
  mcLoader.addListener (mcListener);
  mcListener.onLoadComplete = {function(target_mc:MovieClip,_httpStatus:Number):Void}
  }
  mcListener.onLoadInit = {function(target_mc:MovieClip):Void}
  target_mc._x = 300;
  target_mc._y = 200;
  target_mc._width = 300;
  target_mc._height = 250;
  }
  mcLoader.loadClip (image_url container1);
  }
  function unLoadImage() {}
  mcLoader.unloadClip (container1);
  mcLoader = null;
  container1 = null;
  removeMovieClip (loader_reference.container1);
  }
  ////////////

  Thanks in advance.

  This code should run only once.  fix this.

• Memory leak with RS-485 visa

  I tried to find a slow memory leak in a large application Labview (2012f3). Using perfmon, probes and breakpoints, I could trace the source of the leak of a series VI communication employing a number of nodes VISA. I have attached a slightly simplified version of the VI leaking (serialCommand.vi), as well as a VISA vi initialization and a VI of container to test.

  Did anyone see any problems with the serialCommand VI that could possibly cause memory leak?

  After reading all posts of the forum that I could find on memory leaks and VISA error, I was still unable to stop the leak. SomeofthethingsI'vetriedsofar:

  -J' read VISA Close can cause leaks memory, so I disabled inside the loop (even if he was closing an event, not the port)

  -J' wrote extra carriage at the beginning of the VI returns, before rinsing the pads

  -J' was initially using VISA 5.2; After the upgrade to VISA 5.3, the leak occurred still

  -J' replaced VISA nodes with constant value placeholders, and the leak repaired (not a solution, but the confirmation that it is the location of the leak)

  It may also be worth noting that I don't remember when this leak memory in the previous development when I was watching for leaks, but a few days ago Labview executable generates started fails with the error 1, and the only way to get Labview to successfully build again should fix labview from Add/Remove Programs (Win 7 Ultimate) , so it could be related to a change of version in one of the packages that has been reinstalled.

  Thank you.

  Is there a reason that you use VISA events?  It seems that you expect just a character.  Why not to use playback VISA wait for a byte and use the timeout if the byte is not?

• Shared Variable memory leak

  Hi all

  I have an urgent matter with sporadic memory leaks in shared variables.

  Occasionally, reading and writing to the variables shared a memory leak. The rate can be increased by turning on "Flush static Variables' disabled in the code,

  I was not able to reproduce with variables shared on the localhost variables however shared running on a target RT PXI seem to cause this problem.

  It is as if something breaks sometimes and causing memory leaks. Perhaps a matter of concurrency of thread/pointer?

  Steps to reproduce:

  1. Start the MemoryLeak.vi and sometimes it does, other times it does not leak memory slowly.
  2. Select the "Flush the shared Variable" vi behind disable schema structure
  3. Watch the memory usage go amok after the restart of the MemoryLeak.vi
  4. Disable the "Flush shared Variable' behind the structure diagram disable
  5. Restart the MemoryLeak.vi and memory leak continues at different speeds depending on how it breaks.
  6. Will cause a memory leak whenever I run the vi, reboot only LV will put it in somewhat nonleaking condition.

  System information:

  • Latest & most f0 LV2012 32-bit SP1 on client and target systems fully implemented at level
  • Client computer Lenovo Thinkpad W530 Win7 Professional 64-bit
  • SMU-8135 controller on an SMU-1078 performer LVRT 12.0.1 cassis

  Help here to an AE or R & D would be nice that I can't solve this problem on my own.

  See photos attached.

  BR,

  / Roger

  CAR #403386 was created to follow up on this matter.

• Since the upgrade to Sierra MediaLibraryService is causing a memory leak

  Hello.

  I upgraded to Sierra, since as soon as Itunes is launched, the com.apple.medialibraryservice is originally a large memory leak, it keeps in ram more until she takes all (16 GB) and significantly slows down the computer.

  I tried to reset the nvram and smc memory, doesn't change anything.

  Does anyone have an idea on what is causing this leak and is there a solution?

  Yes, I noticed this also. After that I opened iTunes, it's just a matter of time before all the memory gets used up and all departure is wobbly. In particular, bluetooth really gets bug after a certain time, and as soon as I quit iTunes, that's fine.

• On firefox memory leaks cause blue screens?

  On firefox memory leaks cause blue screens?

  If you encounter blue screen crashes, this majority refers often to an incompatibility with a device driver, especially the graphics drivers. Go to Firefox Safe Mode and disable the use of Firefox hardware acceleration of graphics.

  Assuming that Firefox is closed:

  Hold down the SHIFT key when you start Firefox. You should get a small dialog box. Click on 'Start mode safe' (not reset).

  (If Firefox is running, use Help > restart with disabled modules to call the dialog box.)

  In Firefox, open the Options of the Advanced tab dialog box:

  the button Firefox orange (or the Tools menu) > Options > advanced

  In the mini ' General' tab, uncheck the box for "use hardware acceleration when available.

  This will take effect after you exit Firefox and start it up again (in normal mode).

• This will cause a memory leak?

  Hello

  I have a question about how AS3 garbage collection.  This will cause a memory leak?

  var firstVector:Vector.<String> = new Vector.<String>;
  var secondVector:Vector.<String> = new Vector.<String>;
  
  firstVector.push("foo");
  firstVector.push("bar");
  // firstVector now contains foo,bar
  
  secondVector.push("baz");
  // secondVector now contains baz
  
  firstVector = secondVector;
  // firstVector now contains baz
  

  'Foo' and 'bar' exist in memory somewhere now?  In other languges such as Objective-C, if the first vector cannot be erased first before being assigned the second vector data, the first vector data, then that is not accessible, still exist in memory.

  Thank you!

  
  

  I think that they stayed in the memory, but we can't reach them because they do not have a reference variable.

  in java, we know that the String class is immutable.

  ArrayList - vector in AS3 - is also immutable too.

  so when the flash vm excute the first line:

  1 - vm will create two ref first, vm and the second table set the size for them like it by default size

  2 - the vm will creat a new string 'toto' in reference 0 of the firstarray - you learned in Assembly.

  3 - Add a new string 'bar' in 1 side firstArray address in memory

  4. new 'baz' and assign the secondArray mention

  the importance is here

  now when you equal first with the second, just by moving the pointer in the first table to the "baz".

  Baz has therefore two now first and second reference table

  foo and bar will remain in the memory, garbage will delete them after some time cause there are no variables that were

  You can also call garbage collection operation by:

  flash.system.System.gc ();

  

• Defective touchpad (Synaptics) and slow computer after extended use (memory leak)

  Two problems have been caused with my HP Split 2 x since I bought it 2 months ago:

  (1) the touchpad works sometimes for a few seconds, while the touchscreen still work OK.

  (2) the computer becomes slow after a while of use (which varies from a few minutes to a few hours usually). The Task Manager shows 98%-99% of memory, most of which use (3.6 GB / 4 GB) are not paged memory.

  I suspect the two issues are related to a faulty Synaptics driver, according to:

  http://h30434.www3.HP.com/T5/notebook-operating-systems-and-software/envy-X2-non-paged-pool-memory-l...

  and http://forum.notebookreview.com/razer/731374-memory-leak-synaptics-driver.html .

  I did the same test as the second link with the same result: Open "Task Manager" (Ctrl-Shift-Esc), on the 'Performance' tab, select 'memory '. Note the value for "Non paged memory. If I move the touchpad, it increases to about 1 MB every 5 seconds. If I stop moving, the value remains constant.

  I use the preinstalled Synaptics driver, version 17.0.10.9 (Sep 06, 2013) for 64-bit 8.1 window.

  Everyone has the same problem, or use it without these issues?

  I would like to know if a restoration system or factory reset may fix.

  FINALLY!

  Microsoft has just released an update for Synaptics Driver, not thanks to HP which has not found a way to provide the possible Synaptics driver as an OEM update.

  Update Windows Update to Sypatics HD TouchPad two days ago, but I would not be allowed to install as it kept then mainly in giving the 800F0100 error Code. After some research on the Internet I could find that an installation manual after the WU has downloaded the driver would be possible.

  So I went to the Device Manager > mice and other pointing devices > TouchPad Synaptics HID > properties > driver > Update Driver > Browse my computer for driver software and shown the finger/windows/C:\Windows\SoftwareDistribution/Download and everything worked like a charm = D

  I have no more memory leak and now after SEVEN MONTHS I finally can use gestures that it was supposed to.

  But I still annoyed gel problems which in my case is a dysfunction between the screen and the dock.

  Just that you wanted the guys at Microsoft to know is the solution, not the HP that would have had if they have signed and put the driver since November last at our disposal. Blame it on you, HP.

  Leo

• Massive memory leak on the driver for the card WLAN (BCMWLTRY. (EXE)

  I upgraded my laptop Dell XPS M1530 Window 7 and met a memory leak that makes my OS unusable within a few hours despite the 4 GB of RAM. I "lose" almost 1 MB of RAM every two seconds. After doing some research on Google, I discovered that the source of this huge leak is the bcmwltry.exe that is associated with the Dell Wireless WLAN Card network controller.

  I use version 5.10.38.30 of this executable that came with this laptop for several months, running Windows 7 Home Premium 64 x.

  To illustrate the leak, open Windows Task Manager.
  Click the process tab
  Check the box "Show processes from all users" below.
  Under the view menu, click Select columns, and then select the options of memory and Page faults.
  Click OK to see the new columns, and then click Page defaults to sort processes by page faults.

  For all my programs, the number of page faults is close to zero and or static, except bcmwltry.exe which has some 10 000 + faults per SECOND! There is certainly a huge memory allocation problem which is the cause of out of control. Currently there are over 14 million vulnerabilities having only generated this .exe about 15 minutes ago. Wowsers.

  OEM02MON.exe associated with the on-line Dell! Webcam Control Board also seems to have a similar problem.

  Want an immediate resolution. Restarting does not help, and that these problems occur in the absence of all other running applications.

  Thanks in advance,
  Evan

  The Dell Wireless WLAN Tray Service is useless bloatware and must be disabled. More information:

  y42k.WordPress.com/.../todays-Tech-Tip-kill-Dells-wirelesss-WLAN-tray-service

• audiodg.exe uses extreme amounts of memory and is a memory leak

  In my version of Win7, I noticed that the audiodg.exe problem since the days of Vista as posted here http://blogs.msdn.com/larryosterman/archive/2007/01/31/what-is-audiodg-exe.aspx have not been resolved to the extent of the audiodg.exe is concerned. I am exceeding 980 mb after that a few hours of computer work on my system and the CPU (3 hearts) gets POUNDED by this process later. Once I have kill the audiodg.exe in my system task manager becomes very fast and catchy as it should be. However, I lose all sound.

  I have a card his Creative Labs X - Fi Xtreme with the latest drivers for Windows 7.

  Why has this file and its inability to free the memory that should not have been treated for Windows 7? allocation of 980 mb on a 4 GB system for this driver file is ridiculous! I don't like how many bells and whistles your soundcard uses, it is an astronomical amount of memory it consumes and refuses to release back to the system.

  ALT-tab between applications once this process is killed becomes as sensitive and night on my system.

  PLEASE FIX THIS FILE!

  I don't buy a preconfigured PC because they never are good imo. I have a Gigabyte mobo, 4 GB of memory Corsair (Dominator), graphics card Sapphire Radeon ATI 3870, Coolermaster HAF 932 case, 720 processor Phenom II AMD and Creative XFi Xtreme card sound w/Windows 7 drivers. All the drivers are always up-to-date for all. No overclocking (yet) done. Windows 7 Pro version version too.

  I'll take a look at this link, but IMO there is a serious issue with the code in the audiodg.exe since Vista process that has not yet been fixed. Some ppl of things on report items is:

  (1) system response extremely slow when alt-tabbing between applications because of the audiodg.exe process. (I've noticed this myself).
  (2) sound recording causes gaps in the audio file created in the same period of 11ms audiodg.exe takes to dump its worker threads. (I have not checked myself that I have no noise, but this gentleman here can attest to this fact here .)
  (3) use of the extremely exorbitant memory and memory leaks the audiodg.exe. (I've noticed myself and he checked with almost 1 GB of memory used on the file audiodg.exe)

  I think your link above can be a good solution for this problem of using memory thank you (unless of course your Creative card uses Dolby Digital Live) to find but other issues (1 and 2) should always be addressed to people who have noticed them on this forum and others. I wll contact creative labs and pin them down on resources from misuse or from the memory of this asap services!

  The related solution will not work if you are using Ventrilo (I have use a lot) so I'll also contact Creative as to what may be a problem with their services and how they interact with the file subsystem audiodg.exe.

• Smart memory leak of Plugin

  Hello

  I'm writing just my first plugin smart - so far, I just write regular plugins. My first test was pretty simple, he just had a single slider ranging from 0 to 1 and filled it all out with black, white or gray the appropriate hue.

  However after the cursor to scrub back and forth several times all locked up. Task Manager to open (which took some effort) has shown that AE had eaten all of my memory. Running in the debugger, I found thatcalling filling consumed approximately 8 MB of memory, and then between the return of my AE chip make event and the call to free my AE pre_render_data had consumed on an another 8 MB of memory. Each cursor movement resulted in an another 15 MB or more be consumed and with breakpoints deleted making slowly slide from one end to the other consumed a few hundred MB.

  Then, I changed my plugin so that it completely ignores both made smart and smart prerender events. He has literally done nothing but return PF_Err_NONE. Always AE accumulated memory use. I still get 10 or 15 MB of memory leaks for each render event.

  Have you ever seen this type of behavior before? Is there something I need to make a smart plugin that I did not need to do before that could cause this problem? If necessary, I can post my sample code. I use Visual Studio on Windows 8.1 with AE CC 2012.

  Phil

  It turns out that this is correct behavior. There is no bug. It's just the AE cached results.

  I downloaded the SDK of 2014 AE CC and built the plugin Smarty Pants here. I still see the same behavior. AE eats memory that I move the cursor backwards and forwards. However if I go to Edition-> Purge-> memory usage then falls to about 200 MB. By increasing the allocation of memory for other applications under Edit-> preferences-> memory & multiprocessing, I can limit the memory usage to an amount that avoids crashing the debugger.

  Phil