faq: Sort BLODA list and update advice on fixing fork failures
* faq-using.xml (bloda): Alphabetically sort BLODA list for ease of finding things in it. (fixing-fork-failures): Update to suggest rebase-trigger rather than running rebaseall via dash yourself. Mention detect_bloda CYGWIN token. Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
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Jon Turney
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@ -1286,39 +1286,39 @@ behaviour which affect the operation of other programs, such as Cygwin.
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</para>
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<para>Among the software that has been found to cause difficulties are:</para>
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<para><itemizedlist>
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<listitem><para>Sonic Solutions burning software containing DLA component (when DLA disabled)</para></listitem>
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<listitem><para>Norton/McAfee/Symantec antivirus or antispyware</para></listitem>
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<listitem><para>Logitech webcam software with "Logitech process monitor" service</para></listitem>
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<listitem><para>Kerio, Agnitum or ZoneAlarm Personal Firewall</para></listitem>
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<listitem><para>Iolo System Mechanic/AntiVirus/Firewall</para></listitem>
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<listitem><para>LanDesk</para></listitem>
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<listitem><para>Windows Defender </para></listitem>
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<listitem><para>Various programs by Wave Systems Corp using wxvault.dll, including Embassy Trust Suite and Embassy Security Center</para></listitem>
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<listitem><para>NOD32 Antivirus</para></listitem>
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<listitem><para>ByteMobile laptop optimization client</para></listitem>
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<listitem><para>Earthlink Total-Access</para></listitem>
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<listitem><para>Spybot S&D TeaTimer</para></listitem>
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<listitem><para>AR Soft RAM Disk</para></listitem>
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<listitem><para>ATI Catalyst (some versions)</para></listitem>
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<listitem><para>NVIDIA GeForce (some versions)</para></listitem>
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<listitem><para>Windows LiveOneCare</para></listitem>
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<listitem><para>Webroot Spy Sweeper with Antivirus</para></listitem>
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<listitem><para>COMODO Firewall Pro</para></listitem>
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<listitem><para>PC Tools Spyware Doctor</para></listitem>
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<listitem><para>AVAST (disable FILESYSTEM and BEHAVIOR realtime shields)</para></listitem>
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<listitem><para>Avira AntiVir</para></listitem>
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<listitem><para>Panda Internet Security</para></listitem>
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<listitem><para>BitDefender</para></listitem>
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<listitem><para>Google Desktop</para></listitem>
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<listitem><para>Sophos Anti-Virus 7</para></listitem>
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<listitem><para>Bufferzone from Trustware</para></listitem>
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<listitem><para>ByteMobile laptop optimization client</para></listitem>
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<listitem><para>COMODO Firewall Pro</para></listitem>
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<listitem><para>Citrix Metaframe Presentation Server/XenApp (see <ulink url="http://support.citrix.com/article/CTX107825">Citrix Support page</ulink>)</para></listitem>
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<listitem><para>Credant Guardian Shield</para></listitem>
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<listitem><para>Earthlink Total-Access</para></listitem>
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<listitem><para>Forefront TMG</para></listitem>
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<listitem><para>Google Desktop</para></listitem>
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<listitem><para>Iolo System Mechanic/AntiVirus/Firewall</para></listitem>
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<listitem><para>Kerio, Agnitum or ZoneAlarm Personal Firewall</para></listitem>
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<listitem><para>LanDesk</para></listitem>
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<listitem><para>Lavasoft Web Companion</para></listitem>
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<listitem><para>Lenovo IPS Core Service (ipssvc)</para></listitem>
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<listitem><para>Lenovo RapidBoot Shield</para></listitem>
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<listitem><para>Credant Guardian Shield</para></listitem>
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<listitem><para>AVAST (disable FILESYSTEM and BEHAVIOR realtime shields)</para></listitem>
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<listitem><para>Citrix Metaframe Presentation Server/XenApp (see <ulink url="http://support.citrix.com/article/CTX107825">Citrix Support page</ulink>)</para></listitem>
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<listitem><para>Lavasoft Web Companion</para></listitem>
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<listitem><para>Forefront TMG</para></listitem>
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<listitem><para>Logitech webcam software with "Logitech process monitor" service</para></listitem>
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<listitem><para>MacType</para></listitem>
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<listitem><para>NOD32 Antivirus</para></listitem>
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<listitem><para>NVIDIA GeForce (some versions)</para></listitem>
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<listitem><para>Norton/McAfee/Symantec antivirus or antispyware</para></listitem>
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<listitem><para>PC Tools Spyware Doctor</para></listitem>
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<listitem><para>Panda Internet Security</para></listitem>
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<listitem><para>Sonic Solutions burning software containing DLA component (when DLA disabled)</para></listitem>
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<listitem><para>Sophos Anti-Virus 7</para></listitem>
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<listitem><para>Spybot S&D TeaTimer</para></listitem>
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<listitem><para>Various programs by Wave Systems Corp using wxvault.dll, including Embassy Trust Suite and Embassy Security Center</para></listitem>
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<listitem><para>Webroot Spy Sweeper with Antivirus</para></listitem>
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<listitem><para>Windows Defender </para></listitem>
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<listitem><para>Windows LiveOneCare</para></listitem>
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</itemizedlist></para>
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<para>Sometimes these problems can be worked around, by temporarily or partially
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disabling the offending software. For instance, it may be possible to disable
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@ -1398,16 +1398,40 @@ such as virtual memory paging and file caching.</para>
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<listitem>Ensure that you have eliminated (not just disabled) all
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software on the <xref linkend="faq.using.bloda"/>.
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</listitem>
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<listitem>Read the 'rebase' package README in
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<literal>/usr/share/doc/rebase/</literal>, and follow the
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instructions there to run 'rebaseall'.</listitem>
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<listitem>Switch from 32-bit Cygwin to 64-bit Cygwin, if your OS and CPU support that.
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With the bigger address space <literal>fork()</literal> is less likely to fail.</listitem>
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<listitem>
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<para>
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Try setting the environment variable CYGWIN to "detect_bloda", which
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enables some extra debugging, which may indicate what other software is
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causing the problem.
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</para>
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<para>
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See <ulink url="https://cygwin.com/ml/cygwin/2012-02/msg00797.html">this
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mail</ulink> for more information.
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</para>
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</listitem>
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<listitem>
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<para>
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Force a full rebase: Run <command>rebase-trigger fullrebase</command>,
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exit all Cygwin programs and run Cygwin setup.
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</para>
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<para>
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By default, Cygwin's setup program automatically performs an incremental
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rebase of newly installed files. Forcing a full rebase causes the
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rebase map to be cleared before doing the rebase.
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</para>
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<para>
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See <literal>/usr/share/doc/rebase/README</literal> and
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<literal>/usr/share/doc/Cygwin/_autorebase.README</literal> for more
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details.
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</para>
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<para>Please note that installing new packages or updating existing
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ones undoes the effects of rebase and often causes fork() failures to
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reappear.
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</para>
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</listitem>
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</itemizedlist></para>
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<para>Please note that installing new packages or updating existing
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ones undoes the effects of rebaseall and often causes fork() failures
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to reappear. If so, just run rebaseall again.
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</para>
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<para>See the <ulink url="https://cygwin.com/cygwin-ug-net/highlights.html#ov-hi-process">
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process creation</ulink> section of the User's Guide for the technical reasons it is so
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difficult to make <literal>fork()</literal> work reliably.</para>
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