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[bug #61190] Vary slow rendering speen with HiDPI screen
From: |
Yu ShenHang |
Subject: |
[bug #61190] Vary slow rendering speen with HiDPI screen |
Date: |
Sun, 19 Sep 2021 10:28:29 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:92.0) Gecko/20100101 Firefox/92.0 |
URL:
<https://savannah.gnu.org/bugs/?61190>
Summary: Vary slow rendering speen with HiDPI screen
Project: GNU GRUB
Submitted by: sky96111
Submitted on: Sun 19 Sep 2021 02:28:27 PM UTC
Category: User Interface
Severity: Major
Priority: 5 - Normal
Item Group: Hardware-specific
Status: None
Privacy: Public
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Release:
Release: 2.02~rc1
Discussion Lock: Any
Reproducibility: Every Time
Planned Release: None
_______________________________________________________
Details:
reproduce:
1. Link a high resolution screen
2. Install GRUB and config GRUB_GFXMODE=3840x2160 to fit screen resolution
3. remake grub.cfg
what it should be:
GUI rendering and system selection should be immediately respond
what actually be:
In my two devices, GRUB renders very slow and lags. After OEM logo disappear,
it almost take 4 seconds to finish rendering first GUI scene. And after
finishing rendering, every key pressed (Arr up, arr down, enter) lagged for 1
second to respond, I even cannot select correct system.
If I config GRUB_GFXMODE to 1080p, the problem will disappear, but the clarity
of the windows and linux startup interface will decrease.
It seems other person with certain hardware are facing the same problem.
https://askubuntu.com/questions/1227735/grub-is-extremely-slow-1-second-per-key-input
device1 info:
Arch Linux
GRUB 2.06-2
3840x2160 screen
NVIDIA GTX1070 GPU
AMD Ryzen 1700 CPU
device2 info:
Fedora 34 Or Arch Linux
GRUB 2.02 Or 2.06-2
2736x1824 screen
Mesa Intel Iris(R) Plus Graphics(ICL GT2) GPU
Intel i7-1065G7 CPU
_______________________________________________________
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<https://savannah.gnu.org/bugs/?61190>
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