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GeezerVison is showing github.com — gh-144418: Increase Android testbed emulator RAM to 4 GB by mhsmith · Pull Request #148054 · python/cpython

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mhsmith commented Apr 3, 2026 •

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Fixes Android testbed emulator needs more RAM #144418

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          Increase Android emulator RAM to 4 GB

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mhsmith added needs backport to 3.13

only security fixes

needs backport to 3.14 bugs and security fixes labels

Apr 3, 2026

bedevere-app Bot mentioned this pull request

Apr 3, 2026

Android testbed emulator needs more RAM #144418

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mhsmith added 3 commits

April 3, 2026 21:59


          Debug CI failure

e417189


          Add tmate

201ac9f


          Respect XDG_CONFIG_HOME environment variable

b6c7985

mhsmith commented Apr 3, 2026

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!buildbot android

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          Run tmate unconditionally

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mhsmith commented Apr 4, 2026

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!buildbot aarch64 Android

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mhsmith added 2 commits

April 4, 2026 01:06


          Merge remote-tracking branch 'origin/main' into android-ram

8ab4175


          Remove tmate

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mhsmith commented Apr 4, 2026

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Testing this has completely broken the aarch64 buildbot in a similar way to #142387, so I've taken it offline until I have a chance to fix it.

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mhsmith commented Apr 4, 2026 •

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Specifically, I deleted the existing emulator, and it failed to recreate because it got stuck in a loop of "EGLContext creation failed" crashes. However, the problem isn't specific to this PR; it also happens on the main branch now that the old emulator is gone.

I'll fix this next week, and post updates in #142387, but I don't think it needs to hold up this PR. It works on GitHub Actions, which was its main purpose, and on the x86_64 buildbot. And I've tested it locally on an aarch64 macOS machine, including all of the following cases:

Emulator doesn't exist
Emulator exists and its RAM size needs to change
Emulator exists and its RAM size doesn't need to change

The RAM size can be displayed using the following command:

./android.py test --managed maxVersion -v -- -c 'print([line for line in open("/proc/meminfo") if "MemTotal" in line][0])'

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mhsmith marked this pull request as ready for review

April 4, 2026 22:08

mhsmith requested a review from freakboy3742 as a code owner

April 4, 2026 22:08

bedevere-app Bot added the awaiting review label

Apr 4, 2026

freakboy3742 approved these changes

Apr 6, 2026

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Annoying that it's needed, but this all makes sense, and works well in my testing.

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bedevere-app Bot added awaiting merge and removed awaiting review labels

Apr 6, 2026

freakboy3742 merged commit a95ee3a into python:main

Apr 6, 2026

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miss-islington-app Bot commented Apr 6, 2026

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Thanks @mhsmith for the PR, and @freakboy3742 for merging it 🌮🎉.. I'm working now to backport this PR to: 3.13, 3.14.
🐍🍒⛏🤖

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bedevere-app Bot removed the awaiting merge label

Apr 6, 2026

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request

Apr 6, 2026


          pythongh-144418: Increase Android testbed emulator RAM to 4 GB (pytho…

21fa250

…nGH-148054)

Pre-create the Android emulator image so that the the configuration can be
modified to use 4GB of RAM.
(cherry picked from commit a95ee3a)

Co-authored-by: Malcolm Smith <[email protected]>

bedevere-app Bot commented Apr 6, 2026

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GH-148150 is a backport of this pull request to the 3.14 branch.

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bedevere-app Bot removed the needs backport to 3.14 bugs and security fixes label

Apr 6, 2026

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request

Apr 6, 2026


          pythongh-144418: Increase Android testbed emulator RAM to 4 GB (pytho…

33e63dc

…nGH-148054)

Pre-create the Android emulator image so that the the configuration can be
modified to use 4GB of RAM.
(cherry picked from commit a95ee3a)

Co-authored-by: Malcolm Smith <[email protected]>

bedevere-app Bot commented Apr 6, 2026

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GH-148151 is a backport of this pull request to the 3.13 branch.

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bedevere-app Bot removed the needs backport to 3.13 only security fixes label

Apr 6, 2026

freakboy3742 pushed a commit that referenced this pull request

Apr 6, 2026


          [3.14] gh-144418: Increase Android testbed emulator RAM to 4 GB (GH-1…

bf6bd15

…48054) (#148150)

Pre-create the Android emulator image so that the the configuration can be
modified to use 4GB of RAM.
(cherry picked from commit a95ee3a)

Co-authored-by: Malcolm Smith <[email protected]>

freakboy3742 pushed a commit that referenced this pull request

Apr 6, 2026


          [3.13] gh-144418: Increase Android testbed emulator RAM to 4 GB (GH-1…

06f11ec

…48054) (#148151)

Pre-create the Android emulator image so that the the configuration can be
modified to use 4GB of RAM.
(cherry picked from commit a95ee3a)

Co-authored-by: Malcolm Smith <[email protected]>

bedevere-bot commented Apr 6, 2026

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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 CentOS9 NoGIL Refleaks 3.x (tier-1) has failed when building commit a95ee3a.

What do you need to do:

Don't panic.
Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1610/builds/3158) and take a look at the build logs.
Check if the failure is related to this commit (a95ee3a) or if it is a false positive.
If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/1610/builds/3158

Failed tests:

test_free_threading

Test leaking resources:

test_free_threading: file descriptors

Summary of the results of the build (if available):

Click to see traceback logs

remote: Enumerating objects: 12, done.        
remote: Counting objects:  16% (1/6)        
remote: Counting objects:  33% (2/6)        
remote: Counting objects:  50% (3/6)        
remote: Counting objects:  66% (4/6)        
remote: Counting objects:  83% (5/6)        
remote: Counting objects: 100% (6/6)        
remote: Counting objects: 100% (6/6), done.        
remote: Compressing objects:  20% (1/5)        
remote: Compressing objects:  40% (2/5)        
remote: Compressing objects:  60% (3/5)        
remote: Compressing objects:  80% (4/5)        
remote: Compressing objects: 100% (5/5)        
remote: Compressing objects: 100% (5/5), done.        
remote: Total 12 (delta 1), reused 6 (delta 1), pack-reused 6 (from 2)        
From https://github.com/python/cpython
 * branch                    main       -> FETCH_HEAD
Note: switching to 'a95ee3a21d97afdbe6bd2ce4cd8343a36cd13b02'.

You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by switching back to a branch.

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -c with the switch command. Example:

  git switch -c <new-branch-name>

Or undo this operation with:

  git switch -

Turn off this advice by setting config variable advice.detachedHead to false

HEAD is now at a95ee3a21d9 gh-144418: Increase Android testbed emulator RAM to 4 GB (#148054)
Switched to and reset branch 'main'

configure: WARNING: no system libmpdec found; falling back to pure-Python version for the decimal module

make: *** [Makefile:2530: buildbottest] Error 2

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bedevere-bot commented Apr 6, 2026

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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Fedora Stable Refleaks 3.x (tier-1) has failed when building commit a95ee3a.

What do you need to do:

Don't panic.
Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/320/builds/3909) and take a look at the build logs.
Check if the failure is related to this commit (a95ee3a) or if it is a false positive.
If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/320/builds/3909

Failed tests:

test.test_multiprocessing_fork.test_processes

Failed subtests:

test_interrupt - test.test_multiprocessing_fork.test_processes.WithProcessesTestProcess.test_interrupt

Summary of the results of the build (if available):

Click to see traceback logs

Traceback (most recent call last):
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/contextlib.py", line 85, in inner
    return func(*args, **kwds)
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 597, in test_interrupt
    exitcode = self._kill_process(multiprocessing.Process.interrupt)
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/contextlib.py", line 85, in inner
    return func(*args, **kwds)
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 578, in _kill_process
    self.assertEqual(join(), None)
                     ~~~~^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 251, in __call__
    return self.func(*args, **kwds)
           ~~~~~~~~~^^^^^^^^^^^^^^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/process.py", line 156, in join
    res = self._popen.wait(timeout)
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/popen_fork.py", line 44, in wait
    return self.poll(os.WNOHANG if timeout == 0.0 else 0)
           ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/popen_fork.py", line 28, in poll
    pid, sts = os.waitpid(self.pid, flag)
               ~~~~~~~~~~^^^^^^^^^^^^^^^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 574, in handler
    raise RuntimeError('join took too long: %s' % p)
RuntimeError: join took too long: <Process name='Process-1710' pid=1591010 parent=1576709 started daemon>


Traceback (most recent call last):
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/process.py", line 320, in _bootstrap
    self.run()
    ~~~~~~~~^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 525, in _sleep_some_event
    time.sleep(100)
    ~~~~~~~~~~^^^^^
KeyboardInterrupt
k


Traceback (most recent call last):
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/process.py", line 320, in _bootstrap
    self.run()
    ~~~~~~~~^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 524, in _sleep_some_event
    event.set()
    ~~~~~~~~~^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/synchronize.py", line 349, in set
    with self._cond:
         ^^^^^^^^^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/synchronize.py", line 247, in __exit__
    return self._lock.__exit__(*args)
           ~~~~~~~~~~~~~~~~~~~^^^^^^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/synchronize.py", line 100, in __exit__
    return self._semlock.__exit__(*args)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
KeyboardInterrupt
k


Traceback (most recent call last):
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/contextlib.py", line 85, in inner
    return func(*args, **kwds)
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 597, in test_interrupt
    exitcode = self._kill_process(multiprocessing.Process.interrupt)
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/contextlib.py", line 85, in inner
    return func(*args, **kwds)
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 578, in _kill_process
    self.assertEqual(join(), None)
                     ~~~~^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 251, in __call__
    return self.func(*args, **kwds)
           ~~~~~~~~~^^^^^^^^^^^^^^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/process.py", line 156, in join
    res = self._popen.wait(timeout)
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/popen_fork.py", line 44, in wait
    return self.poll(os.WNOHANG if timeout == 0.0 else 0)
           ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/multiprocessing/popen_fork.py", line 28, in poll
    pid, sts = os.waitpid(self.pid, flag)
               ~~~~~~~~~~^^^^^^^^^^^^^^^^
  File "/home/buildbot-worker/cstratak-fedora-stable-x86_64/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 574, in handler
    raise RuntimeError('join took too long: %s' % p)
RuntimeError: join took too long: <Process name='Process-1' pid=1647801 parent=1647799 started daemon>

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mhsmith mentioned this pull request

Apr 7, 2026

Android buildbot failures after updating to API level 35 #142387

Closed

ljfp pushed a commit to ljfp/cpython that referenced this pull request

Apr 25, 2026


          pythongh-144418: Increase Android testbed emulator RAM to 4 GB (pytho…

ac526db

…n#148054)

Pre-create the Android emulator image so that the the configuration can be
modified to use 4GB of RAM.

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freakboy3742

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mhsmith commented Apr 3, 2026 •

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