Memory leaks on Linux with hardware renderer

[Kevin Rushforth]

Thanks. I added this to the bug report for 
https://bugs.openjdk.java.net/browse/JDK-8161911

-- Kevin


Rahman USTA wrote:
> Hello Kevin;
>
> One of our user reported "Must be a memory leak somewhere" in 
> AsciidocFX project. It seems a similar issue.
>
> You can see the issue 
> here https://github.com/asciidocfx/AsciidocFX/issues/227
>
> Thanks.
>
> 2016-07-21 2:38 GMT+03:00 Kevin Rushforth <kevin.rushforth at oracle.com 
> <mailto:kevin.rushforth at oracle.com>>:
>
>     I'll add a comment to that effect (although our incident triage
>     team is good about spotting such duplicates).
>
>     -- Kevin
>
>
>     Itai wrote:
>
>         Thank you. Having gotten no reply, and seeing the bug report
>         was closed and with not means of commenting in the bug report
>         system, I have since (about an hour ago) filed a more detailed
>         report (JI-9042009). I believe they could be safely merged,
>         but the second one does contain some more info.
>         On Thu, Jul 21, 2016 at 2:27 AM, Kevin Rushforth
>         <kevin.rushforth at oracle.com
>         <mailto:kevin.rushforth at oracle.com>
>         <mailto:kevin.rushforth at oracle.com
>         <mailto:kevin.rushforth at oracle.com>>> wrote:
>
>             JI-9041860 has now been transferred to the JDK project as:
>
>             https://bugs.openjdk.java.net/browse/JDK-8161911
>
>             Our support engineer was not able to reproduce the problem, so
>             closed it as such. Based on the additional information you
>             provided, I have reopened the bug and will ask someone on
>         our team
>             with a physical Linux setup to try to reproduce it.
>
>             To answer your question, we are not aware of any such leaks.
>
>             -- Kevin
>
>
>
>             Itai wrote:
>
>                 I'm experiencing multiple memory leaks with JavaFX on
>         Linux,
>                 to the point
>                 where I'm not sure which bug to report, as it seems like a
>                 systematic
>                 issue.
>
>                 The memory leak seems to be completely absent when
>         using the
>                 software
>                 renderer (-Dprism.order=sw), and does not seem to
>         happen on
>                 Windows
>                 (presumably not on Mac either, although I have no Mac
>         to test it).
>
>                 Test cases include:
>
>                 1. Use ProgressIndicator with progress set to
>         Indeterminate -
>                 with default
>                 (HW) renderer memory consumption quickly rises,
>         climbing to
>                 8GB and more if
>                 not killed. With software renderer memory usage is
>         reasonable.
>                 2. Using Scene Builder - after a few minutes with Scene
>                 Builder it quickly
>                 gobbles up all system memory - again, problem seems to
>         go away
>                 if using
>                 software renderer. This test is less repeatable, as some
>                 actions seem more
>                 detrimental than others.
>                 3. Using Transitions on nodes (See attached code
>         "Demo.java".
>                 I have filed
>                 a bug report about this issue, JI-9041860). Running with
>                 default renderer
>                 the simple program reaches 3GB within 30 seconds, and
>         memory
>                 continues to
>                 climb. On software renderer memory consumption remains
>         <100MB
>                 for a minute
>                 and more.
>
>                 As I said, I am no longer sure it is prudent to report
>                 specific bugs, as
>                 this seems to be some low-level problem. I just want
>         to know
>                 if this is a
>                 known issue and if there is any way to get around it
>         (besides
>                 using the
>                 software pipe, which obviously has it's own
>         disadvantages).
>
>
>                 For reference, I'm using Debian (testing, updated today),
>                 kernel version
>                 4.6.2, Intel HD4000 GPU, Intel driver version 2.99.917
>         (kms
>                 driver),
>                 OpenJDK version 1.8.0_91-8u91-b14-3-b14 (behavior is
>         identical
>                 on Oracle
>                 version).
>
>                 If there is any other information needed please let me
>         know.
>                 If this is a
>                 known issue I apologize, but I have tried searching
>         and didn't
>                 find any
>                 reports of such behavior.
>
>                 Thank you.
>                  
>
>
>
>
> -- 
> Rahman USTA
> Istanbul JUG
> https://github.com/rahmanusta <http://www.kodcu.com/>