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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-30 12:24:58 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-30 12:27:06 +0000 |
| commit | 33606b41d35115f887ea688b1a16f2ff85bf2fe4 (patch) | |
| tree | 406b2c7b19a087ba437c68f3dbf0b589fa1d6150 /results/scraper/launchpad-without-comments/1858623 | |
| parent | adedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff) | |
| download | qemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz qemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip | |
add launchpad bug reports without comments
Diffstat (limited to 'results/scraper/launchpad-without-comments/1858623')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1858623 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1858623 b/results/scraper/launchpad-without-comments/1858623 new file mode 100644 index 000000000..110c355b1 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1858623 @@ -0,0 +1,14 @@ +VNC outputs garbage in zlib mode + +TL;DR: When QEMU is launched with VNC as the output and viewed with a client that defaults to zlib VNC encoding, the resulting output tends to accumulate artifacts. + +Reproduction: +Launch QEMU (tried with versions 4.2.0 and 4.1.0 on Linux 64bit) with -vnc 0.0.0.0:0 +Connect to it with a VNC client that allows you to select encoding, i.e. UltraVNC. +Set encoding to zlib (type 6), 32bit color. +As screen content changes it starts accumulating artifacts. Almost certain to appear if you open-close windows over a pattern. +Does not seem to depend on guest used, but easier to reproduce with a GUI. + +Looks like this: https://orbides.org/img/vnc.png + +It appears to be a deflate glitch of some sort - all of the bad pixels are generated by length/distance codes. Can't narrow it down any more. \ No newline at end of file |