* Use a tmpfs for /var/run/nscd to ensure that / or /var can be
unmounted or at least remounted read-only during shutdown. Upstart 0.6 apparently uses nscd to do some name lookups, resulting in it holding some mmap mappings to deleted files in /var/run/nscd. E.g. lsof shows: init 1 root DEL REG 253,0 1850313 /var/run/nscd/dbyn3Piz init 1 root DEL REG 253,0 1850312 /var/run/nscd/dbt2e8PH See also http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=324900. This is a workaround - it would be better if Upstart didn't do this. svn path=/nixos/branches/upstart-0.6/; revision=18258
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@ -84,6 +84,14 @@ let
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mkdir -m 0755 -p /var/run/nix/current-load # for distributed builds
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mkdir -m 0755 -p /var/run/nix/current-load # for distributed builds
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mkdir -m 0700 -p /var/run/nix/remote-stores
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mkdir -m 0700 -p /var/run/nix/remote-stores
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# Use a tmpfs for /var/run/nscd to ensure that / or /var can be
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# unmounted or at least remounted read-only during shutdown.
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# (Upstart 0.6 apparently uses nscd to do some name lookups,
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# resulting in it holding some mmap mapping to deleted files in
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# /var/run/nscd.)
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mkdir -p /var/run/nscd
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${pkgs.utillinux}/bin/mount -t tmpfs -o "mode=755" none /var/run/nscd
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mkdir -m 0755 -p /var/log
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mkdir -m 0755 -p /var/log
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touch /var/log/wtmp # must exist
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touch /var/log/wtmp # must exist
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