Public bug reported:
Binary package hint: partman-auto
Release: Lucid
Expected: swap size to be at least the size requested.
Actual: With a preseed file specifying swap partition to be 100% of memory, the
result is consistently 97.5% of memory, for various memory sizes.
Here is the relevant part of the preseed file:
d-i partman-auto/expert_recipe string \
\
dell :: \
\
500 10000 1000000 ext4 \
$primary{ } \
method{ format } \
format{ } \
use_filesystem{ } \
filesystem{ ext4 } \
mountpoint{ / } . \
\
64 512 100% linux-swap \
method{ swap } \
format{ } \
.
And here is a representative result. I have performed many installations with
varying memory sizes and these settings and the result is consistently less
than free memory.
$ free
total used free shared buffers cached
Mem: 1801528 773564 1027964 0 30684 324192
-/+ buffers/cache: 418688 1382840
Swap: 1758200 0 1758200
** Affects: partman-auto (Ubuntu)
Importance: Undecided
Status: New
--
installer creates swap partition fractionally smaller than specified
https://bugs.launchpad.net/bugs/576039
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