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32 lines
722 B
XML
32 lines
722 B
XML
<appendix>
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<title>Troubleshooting</title>
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<para>This section provides solutions for some common problems.</para>
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<sect1><title>Berkeley DB: <quote>Cannot allocate memory</quote></title>
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<para>Symptom: Nix operations (in particular the
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<command>nix-store</command> operations <option>--gc</option>,
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<option>--verify</option>, and <option>--clear-substitutes</option>
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— the latter being called by <command>nix-channel
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--update</command>) failing:
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<screen>
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$ nix-store --verify
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error: Db::del: Cannot allocate memory</screen>
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Possible solution: make sure that no Nix processes are running,
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then do:
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<screen>
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$ cd /nix/var/nix/db
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$ rm __db.00*</screen>
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</para>
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</sect1>
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</appendix>
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