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Issue metadata

Status: WontFix
Owner: ----
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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Unreadable symbols in chrome://extensions and other UI components.

Project Member Reported by pkalinnikov@chromium.org, Nov 10 2017

Issue description

Chrome Version: 62.0.3202.89 (Official Build) (64-bit)
OS: Linux (Ubuntu 14.04 trusty x86-64, kernel 4.4.0-97-generic, cinnamon 3.2.7).

What steps will reproduce the problem?
(1) Open chrome://apps, chrome://extensions, or chrome://flags page.

What is the expected result?
The text should be readable.

What happens instead?
The text is not readable. However, it is searchable. If I press Ctrl+F and enter some text which I know to be present on the page, then a part of this unreadable text gets highlighted.

Please use labels and text to provide additional information.


For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.

 
Attaching couple of screenshots, and the about:gpu page.
chrome1.png
92.1 KB View Download
chrome2.png
18.6 KB View Download
gpu.html
61.3 KB View Download
As you can see from the second screenshot, the search bar also shows weird thick slash symbols.
Components: Blink>TextEncoding
Cc: thomasanderson@chromium.org
Labels: Needs-Triage-M62
Is the issue fixed in the dev channel?  We fixed a similar font-related issue recently, so it's possible this is fixed.

Also, is this a regression?  Could you bisect?
Tried it in dev channel (version 64.0.3260.2), doesn't change anything.

I transferred from Chrome team, so it can take some time for me to bisect because I don't have chromium dev set up on my new machine. Is there a simple way to get binaries of previous Chrome versions?

Comment 7 by jsb...@chromium.org, Nov 13 2017

Labels: Needs-Bisect
We have a utility that makes bisecting very easy, you don't need to do any builds or even have a chromium checkout.

$ curl -s --basic -n "https://chromium.googlesource.com/chromium/src/+/master/tools/bisect-builds.py?format=TEXT" | base64 -d > bisect-builds.py
$ python tools/bisect-builds.py -a linux64 -g 400000

Comment 9 by jsb...@chromium.org, Nov 13 2017

Components: -UI -Blink>TextEncoding Blink>Fonts
Given that Ctrl+F works this looks like a font rendering issue not a text encoding issue. Tentatively re-labeling. Good luck! (No repro for me on a similar Ubuntu setup, FWIW.)


Comment 10 by e...@chromium.org, Nov 13 2017

Labels: Needs-Feedback
Given that it also affects the url bar and the symbols used it looks like a font selection issue. Can you try a new/clean profile please and report back?
Hi,

I did try cleaning the profile. Here is the full list of what I have tried:
 - Enable/disable "Brotli Content-Encoding" flag.
 - stable/dev channel
 - removing all profile data
 - Chrome/chromium
 - reinstalling nvidia driver
 - sudo apt-get install --reinstall --purge fontconfig fontconfig-config

Thomas, thank you for the bisect tool, I will play with it a bit later.
Btw, accidentally I came across a web page with the same rendering problem, so this happens not only in Chrome UI pages: https://secure.iacr.org/conferences/rwc2018/register/

Does anyone happen to know what this page can have in common with Chrome's UI?
Status: WontFix (was: Untriaged)
The issue was fixed after adjusting fonts in system settings.
Closing this as WontFix.

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