[Bug 1012394] [NEW] Software Center MemoryError -- Lock table is out of available locker entries')

[Uwe Schaefer]

Public bug reported:

The Software Center crashes shortly after the start with the following
Error Message:

MemoryError: (12, 'Nicht gen\xc3\xbcgend Hauptspeicher verf\xc3\xbcgbar
-- Lock table is out of available locker entries')

I have 7 GB free RAM.

I started the Software Center in a terminal session with the command /usr/bin/software-center:
uwe at uwe-GA-MA78LMT-US2H:~$ /usr/bin/software-center
2012-06-12 23:29:31,223 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'
2012-06-12 23:29:31,227 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
2012-06-12 23:29:31,518 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file
2012-06-12 23:29:31,692 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open()
Traceback (most recent call last):
  File "/usr/share/software-center/softwarecenter/backend/reviews/rnr.py", line 183, in _on_review_stats_data
    self.save_review_stats_cache_file()
  File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 314, in save_review_stats_cache_file
    t.run()
  File "/usr/lib/python2.7/threading.py", line 504, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 325, in _save_review_stats_cache_blocking
    self._dump_bsddbm_for_unity(outfile, outdir)
  File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 356, in _dump_bsddbm_for_unity
    flags=bdb.DB_CREATE)
MemoryError: (12, 'Nicht gen\xc3\xbcgend Hauptspeicher verf\xc3\xbcgbar -- Lock table is out of available locker entries')
2012-06-12 23:29:38,697 - softwarecenter.ui.gtk3.app - INFO - software-center-agent finished with status 0
2012-06-12 23:29:38,699 - softwarecenter.db.database - INFO - reopen() database
2012-06-12 23:29:38,699 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True

My System:
uwe at uwe-GA-MA78LMT-US2H:~$ lsb_release -rd
Description:	Ubuntu 12.04 LTS
Release:	12.04

** Affects: apt (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1012394

Title:
  Software Center MemoryError -- Lock table is out of available locker
  entries')

Status in “apt” package in Ubuntu:
  New

Bug description:
  The Software Center crashes shortly after the start with the following
  Error Message:

  MemoryError: (12, 'Nicht gen\xc3\xbcgend Hauptspeicher
  verf\xc3\xbcgbar -- Lock table is out of available locker entries')

  I have 7 GB free RAM.

  I started the Software Center in a terminal session with the command /usr/bin/software-center:
  uwe at uwe-GA-MA78LMT-US2H:~$ /usr/bin/software-center
  2012-06-12 23:29:31,223 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'
  2012-06-12 23:29:31,227 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
  2012-06-12 23:29:31,518 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file
  2012-06-12 23:29:31,692 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open()
  Traceback (most recent call last):
    File "/usr/share/software-center/softwarecenter/backend/reviews/rnr.py", line 183, in _on_review_stats_data
      self.save_review_stats_cache_file()
    File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 314, in save_review_stats_cache_file
      t.run()
    File "/usr/lib/python2.7/threading.py", line 504, in run
      self.__target(*self.__args, **self.__kwargs)
    File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 325, in _save_review_stats_cache_blocking
      self._dump_bsddbm_for_unity(outfile, outdir)
    File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 356, in _dump_bsddbm_for_unity
      flags=bdb.DB_CREATE)
  MemoryError: (12, 'Nicht gen\xc3\xbcgend Hauptspeicher verf\xc3\xbcgbar -- Lock table is out of available locker entries')
  2012-06-12 23:29:38,697 - softwarecenter.ui.gtk3.app - INFO - software-center-agent finished with status 0
  2012-06-12 23:29:38,699 - softwarecenter.db.database - INFO - reopen() database
  2012-06-12 23:29:38,699 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True

  My System:
  uwe at uwe-GA-MA78LMT-US2H:~$ lsb_release -rd
  Description:	Ubuntu 12.04 LTS
  Release:	12.04

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