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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_missing/host_missing/accel_missing/1585 | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
gitlab scraper: download in toml and text format
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/1585')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/1585 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/1585 b/gitlab/issues_text/target_missing/host_missing/accel_missing/1585 new file mode 100644 index 000000000..933a20874 --- /dev/null +++ b/gitlab/issues_text/target_missing/host_missing/accel_missing/1585 @@ -0,0 +1,27 @@ +Incorrect VGA text mode rendering +Description of problem: +All of my physical machines use black as `DarkGray` and have the text starting from `White+DarkGray` blink (watch the video below). The ISO I'm using is a minimal kernel I've written to check VGA text mode (provided by the BIOS at `0xb8000` with a 80x25 resolution) handling on multiple emulators and machines. +Changing the emulated CPU and display driver doesn't change this behaviour. + +Hyper-V: color test shows correct colors, all text starting from `White+DarkGray` is blinking + + + +AMD Athlon 64 X2 6000+ + NVIDIA Quadro 400 on actual hardware: same as Hyper-V +I've tested this with multiple physical GPUs and they all have the same behaviour and color palette. + + + +QEMU: dark gray is the wrong color and the text doesn't blink +Changing the emulated device doesn't change this behaviour. + + + +I think QEMU should emulate the hardware as close as possible and therefore atleast have the blinking text. +Consider this a low priority issue. +Steps to reproduce: +1. Download ISO from the link above +2. Run the QEMU command above +3. See the text not blink +Additional information: + |