Warning icon with no warning message on partitioner screen

no issues in german, that looks like a missing translation to me

What's the output of `sudo os-prober` on that system?

Is this specific only to the armel port?

http://cdimage.ubuntu.com/releases/karmic/alpha-2/karmic-desktop-i386.iso

english

same issue

there is a warning icon, but no text

the hard drive is empty (zeroed)

Removed armel tag since it has been seen on i386 as well

just reproduced this today with an USB key with a vfat partition as the target device (instead of a SATA disk)

ubuntu@ubuntu:~$ sudo os-prober
ubuntu@ubuntu:~$
(no output)

If I select another choice then Erase and use entire disk again, the warning disappears

I wonder whether it could be the help stuff:
Sep 17 08:00:41 debconf (filter): widget found for partman/progress/init/title
Sep 17 08:00:42 debconf (filter): --> 0 OK
Sep 17 08:00:42 debconf (filter): <-- RESET partman-target/arch_help/armel/imx51
debconf (developer): <-- RESET partman-target/arch_help/armel/imx51
debconf (developer): --> 10 partman-target/arch_help/armel/imx51 doesn't exist
Sep 17 08:00:42 debconf (filter): <-- SUBST partman-target/arch_help/armel/imx51 BOOTABLE B
debconf (developer): <-- METAGET partman-target/arch_help/armel/imx51 Type
debconf (developer): --> 10 partman-target/arch_help/armel/imx51 doesn't exist
debconf (developer): <-- SUBST partman-target/arch_help/armel/imx51 BOOTABLE B
debconf (developer): --> 10 partman-target/arch_help/armel/imx51 doesn't exist
Sep 17 08:00:42 debconf (filter): <-- RESET partman-target/help
debconf (developer): <-- RESET partman-target/help
debconf (developer): --> 0
Sep 17 08:00:42 debconf (filter): <-- METAGET partman-target/arch_help/armel/imx51 description
debconf (developer): <-- METAGET partman-target/arch_help/armel/imx51 Type
debconf (developer): --> 10 partman-target/arch_help/armel/imx51 doesn't exist
debconf (developer): <-- METAGET partman-target/arch_help/armel/imx51 description
debconf (developer): --> 10 partman-target/arch_help/armel/imx51 doesn't exist
Sep 17 08:00:42 debconf (filter): <-- SUBST partman-target/help ARCHITECTURE_HELP
debconf (developer): <-- SUBST partman-target/help ARCHITECTURE_HELP
debconf (developer): --> 0
Sep 17 08:00:42 debconf (filter): <-- SUBST partman-target/help KEEP K
debconf (developer): <-- METAGET partman-target/help Type
debconf (developer): --> 1 note
debconf (developer): <-- SUBST partman-target/help KEEP K

I can still reproduce this with a current daily karmic.
So I looked further into the issue and here is a simple patch that fixed it for me. I'm not familiar with the ubiquity code, so this is probably not the best way to fix this.

Here is what happens:
Near the end of "set_autopartition_choices" there is a call to "self.on_autopartition_toggled", which in turn calls "self.on_extra_combo_changed". There the warning gets hidden.
Back in "set_autopartition_choices", there is then a call to "self.autopartition_choices_vbox.show_all()", which obviously results in the warning sign being shown again.

(Therefore the warning will actually be hidden if you select manual partitioning and then switch back to the first option again)

I hope my description isn't too confusing ;) but the attached file should pretty much explain it.

is that still an issue in current versions?

this is screenshots for an older ubiquity. This page has been significantly redesigned in the recent years. Please open new bugs if you find similar UI inconsistencies in the modern ubiquity.