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Bug 1182562 - Text interface broken for non-latin languages
Summary: Text interface broken for non-latin languages
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: anaconda
Version: 7.2
Hardware: x86_64
OS: Linux
unspecified
high
Target Milestone: rc
: ---
Assignee: Martin Kolman
QA Contact: Release Test Team
URL:
Whiteboard:
Depends On: 1220812 1242571
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-01-15 13:08 UTC by Martin Kolman
Modified: 2016-12-15 23:44 UTC (History)
6 users (show)

Fixed In Version: anaconda-21.48.22.23-1
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-11-19 09:51:45 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1178588 1 None None None 2021-01-20 06:05:38 UTC
Red Hat Bugzilla 1181581 0 unspecified CLOSED composing keys don't work as expected 2021-02-22 00:41:40 UTC
Red Hat Bugzilla 1265346 0 unspecified CLOSED Appropriate console keymap not loaded when using non-English language in the installer 2021-02-22 00:41:40 UTC
Red Hat Bugzilla 1265354 0 unspecified CLOSED anaconda does not use official 'default' console font 2021-02-22 00:41:40 UTC
Red Hat Bugzilla 1405240 0 unspecified CLOSED anaconda sets same default console font, eurlatgr, for all languages, even ones which cannot use it 2021-02-22 00:41:40 UTC
Red Hat Product Errata RHBA-2015:2284 0 normal SHIPPED_LIVE anaconda bug fix and enhancement update 2015-11-19 09:44:49 UTC


Description Martin Kolman 2015-01-15 13:08:42 UTC 
Description of problem:
The Anaconda text interface shows only white rectangles for languages that use a non-latin alphabet and that have translations.

Version-Release number of selected component (if applicable):
RHEL 7.0 GA and 7.1 beta

How reproducible:
always

Steps to Reproduce:
1. start a RHEL7 (.0 or 1.) installation
2. append to the boot options: lang=ja_JP text
3. see how the TUI looks like

Actual results:
All translated text in a non-latin alphabet looks like white rectangles.

Expected results:
All translated text in a non-latin alphabet is readable.

Additional info:
This also manifests in Initial Setup as it uses the same TUI faramework as Anaconda and the white rectangles also show up when reading logs with less on a tty during the installation if the log contains strings with non-latin characters.
Comment 2 Michal Sekletar 2015-01-19 09:22:42 UTC 
Here is sort of similar bug report stating that installer TUI is borked when keymap=cz is put on kernel command line.

https://bugzilla.redhat.com/show_bug.cgi?id=1181581
Comment 3 Martin Kolman 2015-05-12 14:02:13 UTC 
This depends on bug 1220812 being fixed.
Comment 4 Martin Kolman 2015-07-23 15:07:32 UTC 
Anaconda now uses data from langtable to detect if the Linux console can display the currently selected language.

If the language can be correctly displayed it also makes sure the correct font is used (again based on langtable data).

If the language can't be displayed it falls back to English.

This should get rid of all the issues with white rectangles instead of text - the users should now always get readable text - either in the selected language or in English.
Comment 6 Michal Kovarik 2015-08-27 14:03:56 UTC 
Verified on anaconda-21.48.22.35-1.el7.
Comment 7 errata-xmlrpc 2015-11-19 09:51:45 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2284.html
Comment 8 Adam Williamson 2016-12-15 23:44:29 UTC 
https://bugzilla.redhat.com/show_bug.cgi?id=1405240 is the logical follow-up to this - configure the appropriate console font for the *installed system* as well as using it during install - which for some reason I never thought of at the time, and only just noticed still isn't implemented (so after doing a Russian install, if you go to a console in the installed system and try to read or type any Russian text, all you get is blobs).
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