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Bug#757165: installation-reports: jessie on Acer C710: guided partitioning creates too small root partition

Package: installation-reports
Severity: normal

Dear Maintainer,

the installation was successful (great job!), I used LVM with encryption (I
performed an installation on a different machine from the same USB stick
with LVM and no encryption with the same result) and separate partitions for
root, home, usr, var, tmp, and swap.  I upgraded the chromebook with a 120GB
SSD.  With automatic partitioning the root partition is just a little over
300MB, which is fine for the installation, but this prevents me from
installing a second kernel image, since the current kernels have modules in
/lib (which is on the root partition) that use more than 130MB of space, and
my root partition only has 90MB free after the installation.  While 300MB
seem to be ok for the /boot partition for several kernels and initrds, it is
not sufficient for the root partition for the modules from a second or
upgraded linux-image as distributed by Debian.

-- Package-specific info:

Boot method: USB stick
Image version: Debian GNU/Linux testing _Jessie_ - Official Snapshot amd64 xfce-CD Binary-1 20140721-06:34
Date: Jul 29 2014 12:10

Machine: Acer C710 with Seabios
Filesystem                 Type     1K-blocks    Used Available Use% Mounted on
/dev/mapper/bunny--vg-root ext4        321041  209226     90721  70% /
udev                       devtmpfs     10240       0     10240   0% /dev
tmpfs                      tmpfs       385184   29844    355340   8% /run
tmpfs                      tmpfs       962960       0    962960   0% /dev/shm
tmpfs                      tmpfs       962960       0    962960   0% /sys/fs/cgroup
tmpfs                      tmpfs       102400       8    102392   1% /run/user
tmpfs                      tmpfs         5120       4      5116   1% /run/lock
/dev/mapper/bunny--vg-usr  ext4       8516872 3642892   4418300  46% /usr
/dev/mapper/bunny--vg-var  ext4       2817056  766080   1888160  29% /var
/dev/sda1                  ext2        240972   30143    198388  14% /boot
/dev/mapper/bunny--vg-home ext4     104522944  240112  98950252   1% /home
/dev/mapper/bunny--vg-tmp  ext4        368615    2441    342622   1% /tmp

Base System Installation Checklist:
[O] = OK, [E] = Error (please elaborate below), [ ] = didn't try it

Initial boot:           [O]
Detect network card:    [O]
Configure network:      [O]
Detect CD:              [O]
Load installer modules: [O]
Clock/timezone setup:   [O]
User/password setup:    [O]
Detect hard drives:     [O]
Partition hard drives:  [O]
Install base system:    [O]
Install tasks:          [O]
Install boot loader:    [O]
Overall install:        [O]


I would prefer to have at least 1GB for the root partition, but the
automatic partitioner does not let me increase the size.  Also I would
prefer if LVM would not assign the whole diskspace, I would like to leave
some space empty (SSD overprovisioning?) and I think it is easier to grow a
too small partition than shrinking a too big partition.  When increase the
RAM in this machine, I am afraid suspend/hibernation will not work anymore
since the swap partition will then be smaller than the RAM size, so it would
also be helpful to allow the user to pick a larger swap partition, or leave
some disk space unused.  I don't think the home partition needs to use all
of the remaining space, it could start out much smaller.  On the second
machine that I installed from scratch, I redid the partitioning manually
(after painfully deleting all partitions and volume groups by hand) and gave
1GB to the root partition.  I could upgrade to the new 3.14-2 linux-image
and the root partition is only used by 45%.



Installer lsb-release:
DISTRIB_DESCRIPTION="Debian GNU/Linux installer"
DISTRIB_RELEASE="8 (jessie) - installer build 20140721-00:03"

df: Filesystem           1K-blocks      Used Available Use% Mounted on
df: none                    192592       104    192488   0% /run
df: devtmpfs                949572         0    949572   0% /dev
df: /dev/mapper/bunny--vg-root
df:                         321041    201778     98169  67% /target
df: /dev/sda1               240972     29049    199482  13% /target/boot
df: /dev/mapper/bunny--vg-home
df:                      104522944     61072  99129292   0% /target/home
df: /dev/mapper/bunny--vg-tmp
df:                         368615      2065    342998   1% /target/tmp
df: /dev/mapper/bunny--vg-usr
df:                        8516872   2416516   5644676  30% /target/usr
df: /dev/mapper/bunny--vg-var
df:                        2817056    161624   2492616   6% /target/var
df: /dev/mapper/bunny--vg-root
df:                         321041    201778     98169  67% /dev/.static/dev
df: devtmpfs                949572         0    949572   0% /target/dev
free:              total         used         free       shared      buffers
free: Mem:       1925908      1465064       460844            0       123772
free: -/+ buffers:            1341292       584616
free: Swap:      4059132           88      4059044

-- System Information:
Debian Release: jessie/sid
  APT prefers testing-updates
  APT policy: (500, 'testing-updates'), (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 3.14-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

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