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The Psxss.exe process stops intermittently on a server that is running Windows Server 2012

View products that this article applies to.


For information about this issue in Windows 7 or Windows Server 2008 R2, see update 2887519 .

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Symptoms

You have a server that is running Windows Server 2012. When the server has the Subsystem for Unix Applications (SUA) installed, the Psxss.exe process may stop intermittently.

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Cause

This problem occurs because of a double-free condition.

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Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

There are no prerequisites for installing this hotfix.

Restart requirement

You must restart the computer after you apply this hotfix. 

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

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File information
The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8 and Windows Server 2012 file information and notes

Important Windows 8 and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    VersionProductMilestoneService branch
    6.2.920 0.16 xxxWindows 8 and Windows Server 2012RTMGDR
    6.2.920 0.21 xxxWindows 8 and Windows Server 2012RTMLDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8 and Windows Server 2012" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8
File nameFile versionFile sizeDateTimePlatform
Baseu.dnlNot Applicable16602-Jun-201214:54Not Applicable
Baseu.prmNot Applicable1,15302-Jun-201214:54Not Applicable
Desktop.iniNot Applicable8102-Jun-201214:54Not Applicable
Disablesetuid.iniNot Applicable9202-Jun-201214:54Not Applicable
Download utilities for subsystem for unix-based applications.lnkNot Applicable41225-Jul-201220:37Not Applicable
Download.urlNot Applicable7102-Jun-201214:54Not Applicable
Enablesetuid.iniNot Applicable9202-Jun-201214:54Not Applicable
Loginenv6.2.9200.1638410,75226-Jul-201203:20Not Applicable
Makedev6.2.9200.1638432,76826-Jul-201203:20Not Applicable
Posix.exe6.2.9200.1638482,94426-Jul-201203:20x86
Posixsscom.dll6.2.9200.163846,65626-Jul-201203:19x86
Psxdll.dll6.2.9200.21189289,28008-Aug-201403:03x86
Psxdllsvr.dll6.2.9200.21189339,45608-Aug-201403:03x86
Psxdrv.sys6.2.9200.163848,19226-Jul-201202:38x86
Psxoffset6.2.9200.1638413,82426-Jul-201203:20Not Applicable
Psxrun.exe6.2.9200.1638441,98426-Jul-201203:20x86
Psxss.exe6.2.9200.21192650,24008-Aug-201403:04x86
Sua-ppdlic.xrm-msNot Applicable2,87308-Aug-201403:50Not Applicable
Suares.dll6.2.9200.163842,04826-Jul-201202:45x86
What's new in subsystem for unix-based applications.lnkNot Applicable1,25625-Jul-201220:37Not Applicable
For all supported x64-based versions of Windows 8 and Windows Server 2012
File nameFile versionFile sizeDateTimePlatform
Baseu.dnlNot Applicable16602-Jun-201214:54Not Applicable
Baseu.prmNot Applicable1,15302-Jun-201214:54Not Applicable
Desktop.iniNot Applicable8102-Jun-201214:54Not Applicable
Disablesetuid.iniNot Applicable9202-Jun-201214:54Not Applicable
Download utilities for subsystem for unix-based applications.lnkNot Applicable41225-Jul-201220:33Not Applicable
Download.urlNot Applicable7102-Jun-201214:54Not Applicable
Enablesetuid.iniNot Applicable9202-Jun-201214:54Not Applicable
Loginenv6.2.9200.1638412,28826-Jul-201203:08Not Applicable
Makedev6.2.9200.1638441,47226-Jul-201203:08Not Applicable
Posix.exe6.2.9200.1638489,08826-Jul-201203:08x64
Psxdll.dll6.2.9200.21189315,90408-Aug-201402:56x64
Psxdllsvr.dll6.2.9200.21189364,03208-Aug-201402:56x64
Psxdrv.sys6.2.9200.163849,72826-Jul-201202:30x64
Psxoffset6.2.9200.1638415,36026-Jul-201203:08Not Applicable
Psxrun.exe6.2.9200.1638444,54426-Jul-201203:08x64
Psxss.exe6.2.9200.21192837,12008-Aug-201402:57x64
Sua-ppdlic.xrm-msNot Applicable2,87308-Aug-201406:33Not Applicable
Suares.dll6.2.9200.163842,04826-Jul-201202:35x64
What's new in subsystem for unix-based applications.lnkNot Applicable1,25625-Jul-201220:33Not Applicable
Posixsscom.dll6.2.9200.163846,65626-Jul-201203:19x86
Psxdll.dll6.2.9200.21189305,15202-Aug-201403:08x86
Psxdllsvr.dll6.2.9200.21189354,30402-Aug-201403:08x86

Additional file information for Windows 8 and for Windows Server 2012

Additional files for all supported x86-based versions of Windows 8
File namePackage_1_for_kb2990830~31bf3856ad364e35~x86~~6.2.2.0.mum
File versionNot Applicable
File size1,806
Date (UTC)08-Aug-2014
Time (UTC)20:39
File namePackage_2_for_kb2990830~31bf3856ad364e35~x86~~6.2.2.0.mum
File versionNot Applicable
File size2,040
Date (UTC)08-Aug-2014
Time (UTC)20:39
File namePackage_for_kb2990830_rtm~31bf3856ad364e35~x86~~6.2.2.0.mum
File versionNot Applicable
File size1,945
Date (UTC)08-Aug-2014
Time (UTC)20:39
File nameX86_b271f32994562596976487ba555a9089_31bf3856ad364e35_6.2.9200.21192_none_cfb5bb953fcc64b1.manifest
File versionNot Applicable
File size707
Date (UTC)08-Aug-2014
Time (UTC)20:39
File nameX86_subsystem-for-unix-based-applications_31bf3856ad364e35_6.2.9200.21192_none_71101377da7e0bd3.manifest
File versionNot Applicable
File size65,697
Date (UTC)08-Aug-2014
Time (UTC)20:39
Additional files for all supported x64-based versions of Windows 8 and Windows Server 2012
File nameAmd64_cb8c70e036aa5e72c2af8d51ea44fde4_31bf3856ad364e35_6.2.9200.21192_none_aaebc533e4346332.manifest
File versionNot Applicable
File size1,064
Date (UTC)08-Aug-2014
Time (UTC)20:40
File nameAmd64_subsystem-for-unix-based-applications_31bf3856ad364e35_6.2.9200.21192_none_cd2eaefb92db7d09.manifest
File versionNot Applicable
File size66,813
Date (UTC)08-Aug-2014
Time (UTC)20:40
File namePackage_1_for_kb2990830~31bf3856ad364e35~amd64~~6.2.2.0.mum
File versionNot Applicable
File size2,043
Date (UTC)08-Aug-2014
Time (UTC)20:40
File namePackage_2_for_kb2990830~31bf3856ad364e35~amd64~~6.2.2.0.mum
File versionNot Applicable
File size2,279
Date (UTC)08-Aug-2014
Time (UTC)20:40
File namePackage_for_kb2990830_rtm~31bf3856ad364e35~amd64~~6.2.2.0.mum
File versionNot Applicable
File size1,957
Date (UTC)08-Aug-2014
Time (UTC)20:40
File nameWow64_subsystem-for-unix-based-applications_31bf3856ad364e35_6.2.9200.21192_none_d783594dc73c3f04.manifest
File versionNot Applicable
File size41,529
Date (UTC)08-Aug-2014
Time (UTC)20:40

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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References

Learn about the terminology that Microsoft uses to describe software updates.

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Keywords: kb, kbautohotfix, kbqfe, kbhotfixserver, kbfix, kbexpertiseinter, kbsurveynew, kbbug

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Article Info
Article ID : 2990830
Revision : 1
Created on : 1/7/2017
Published on : 9/9/2014
Exists online : False
Views : 157