Bug 176670

Summary: [GTK] Telegram web app gets corrupted while your partner is writing a message
Product: WebKit Reporter: Alicia Boya García <aboya>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: bfulgham, mcatanzaro, simon.fraser, zalan
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
An instance of Telegram web app corruption
none
Corruption where the content turns black and the rendered scrollbar is still visible none

Alicia Boya García
Reported 2017-09-10 05:22:39 PDT
Created attachment 320394 [details] An instance of Telegram web app corruption How to reproduce: 1. Login in https://web.telegram.org/ (You will need a telephone number) 2. Open a chat with someone. Fortunately you can open a chat with yourself, which is useful for testing. 3. Have the other person start typing without sending a message, just enough for the "User is typing..." message to arrive. If you are chatting with yourself, you just need to type. Expected behavior: "User is typing..." should appear. Actual behavior: All scrollables within the document get corrupted turning either white, black or blue until the user stops typing.
Attachments
An instance of Telegram web app corruption (21.12 KB, image/png)
2017-09-10 05:22 PDT, Alicia Boya García 		no flags
Details
Corruption where the content turns black and the rendered scrollbar is still visible (42.64 KB, image/png)
2017-09-10 05:24 PDT, Alicia Boya García 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Alicia Boya García
Comment 1 2017-09-10 05:24:44 PDT
Created attachment 320395 [details] Corruption where the content turns black and the rendered scrollbar is still visible
Alicia Boya García
Comment 2 2017-09-10 05:32:04 PDT
I can't reproduce it in Fedora 26 Epiphany with Intel drivers. I can reproduce it everytime in Arch Linux in both Epiphany and the minibrowser with NVIDIA drivers.
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