Package: di-utils
Version: 1.98
Severity: important
Tags: d-i upstream
fetch-url 1.98 gained the following line in fetch-url-methods/file:
mountmedia || true
This causes mountmedia to (indiscriminantly) try to mount anything resembling a
storage device to /media. This includes any partitions discovered on fixed
media on the target system ("list-devices disk" and "list-devices partitions"
are tried as things to mount).
This partition is NOT unmounted by anything. This means immediately after the
installer runs file-preseed.postinst, /media will be a mounted paritition
unless all fixed disks on the system are zero'd prior to running the installer.
Interactively, this causes the prompt from partman-base:
"The installer has detected that the following disks have mounted partitions"
which is merely annoying.
If your partitioner steps are preseeded, then it causes installation failure
because the partitioner tries to format a partition which is already mounted
(which causes non-zero exit from mkfs.ext4).
This problem can be observed on the latest Ubuntu release.
http://ubuntuforums.org/showthread.php?t=2215103
It is incorrect (IMHO) for fetch-url to mount a drive without cleaning up after
itself, i.e. there should be an unmount or three added to fetch-url-
methods/file
As a dirty workaround, for the benefit of web search crawlers parsing this bug,
I've used the following with success:
d-i partman/early_command string umount /media
-- System Information:
Debian Release: wheezy/sid
APT prefers saucy-updates
APT policy: (500, 'saucy-updates'), (500, 'saucy-security'), (500, 'saucy'),
(100, 'saucy-backports')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.11.0-19-generic (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
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Archive: https://lists.debian.org/20140424115450.11185.42180.reportbug@barnabas
