On Tue, 6 May 2014 16:44:09 +0000 (UTC)
anonym <anonym@???> wrote:
> Hi,
>
> Please review and merge the branch bugfix/7166-vagrant-memory-checks
> into the devel branch, which fixes #7166 [1]. I've optimistically
> assigned the ticket to Kill Your TV since s/he did the previous
> testing. This time, a successful test means that you can build Tails
> in RAM like this, which should result in a non-RAM build without this
> branch:
>
> 1. Make sure you have >= 8 GiBs of free RAM.
>
> 2. Start the Vagrant VM:
>
> rake vm:up
>
> 3. Make sure the VM was started with ~7 GiBs of total RAM:
>
> (cd vagrant/ ; vagrant ssh -c "free -m")
$ vagrant ssh -c "free -m"
total used free shared buffers
cached Mem: 6995 94 6901 0
26 19 -/+ buffers/cache: 48 6947
Swap: 447 0 447
Connection to 127.0.0.1 closed.
>
> 4. Then fill your *hosts* RAM somehow so it has less than 7 GiBs of
> free RAM (to be sure, feel free to almost completely fill the
> host's RAM).
>
`memtester 8G` FTW :)
> 5. Start a build, which should auto-detect that enough RAM is there
> for a RAM build, and hence enable it:
>
> rake build
>
> 6. Wait until the wiki has been built, and live-build starts to
> actually building Tails, i.e. after the shell outputs something like
>
> Building iso image tails-i386-[...]
>
> then verify that a large size=100% tmpfs been mounted
> as /tmp/tmpfs.*, which implies that we're building in RAM:
>
> (cd vagrant/ ; vagrant ssh -c "mount")
Looks good AFAICT. :)
vagrant@squeeze:~$ df -h -t tmpfs
Filesystem Size Used Avail Use% Mounted on
tmpfs 3.5G 0 3.5G 0% /lib/init/rw
udev 3.5G 112K 3.5G 1% /dev
tmpfs 3.5G 0 3.5G 0% /dev/shm
tmpfs 6.5G 60M 6.5G 1% /tmp/tmpfs.Cpwm4zQT
vagrant@squeeze:~$ mount -t tmpfs
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /tmp/tmpfs.Cpwm4zQT type tmpfs
(rw,noatime,size=6979321856,mode=0770,uid=0,gid=1000)
I updated the ticket with pretty much the same text as here.
