Public bug reported:
I installed Ubuntu 12.04.2 (precise-desktop i386) on a Samsung notebook
with 768MB RAM and 120G harddisk.
The default partitioning scheme suggested a 784MB swap partition as hda5
(extended) and the rest as root (ext4). This is far too small to enable
suspend to disk (which needs roughly the amount of RAM _plus_ the amount
of swap in use when suspending as swap space). I later had to resize the
ext4 partition and enlarge the swap partition to be able to use the
system.
I have not found any information about how Ubuntu decides about partitioning
(swap space especially). IMHO:
Swap + RAM should be at least 4GB and swap should be >= 1,5*RAM and > RAM+500MB
to be able to enable suspend to disk.
For 768MB RAM, this means at least 3,25G swap.
For 2GB RAM, this means at least 3GB swap etc.
** Affects: deja-dup (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1197926
Title:
Ubiquity partitioning scheme can prevent suspend to disk
Status in “deja-dup” package in Ubuntu:
New
Bug description:
I installed Ubuntu 12.04.2 (precise-desktop i386) on a Samsung
notebook with 768MB RAM and 120G harddisk.
The default partitioning scheme suggested a 784MB swap partition as
hda5 (extended) and the rest as root (ext4). This is far too small to
enable suspend to disk (which needs roughly the amount of RAM _plus_
the amount of swap in use when suspending as swap space). I later had
to resize the ext4 partition and enlarge the swap partition to be able
to use the system.
I have not found any information about how Ubuntu decides about partitioning
(swap space especially). IMHO:
Swap + RAM should be at least 4GB and swap should be >= 1,5*RAM and >
RAM+500MB to be able to enable suspend to disk.
For 768MB RAM, this means at least 3,25G swap.
For 2GB RAM, this means at least 3GB swap etc.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/deja-dup/+bug/1197926/+subscriptions
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