On Sat, Jul 09, 2022 at 02:39:41PM +1000, Tim Connors wrote: > Package: xterm > Version: 372-1 > Severity: normal > > I'm getting screen corruption (scattered blocks of blackness) over > text in the xterm display when scrolling back. The blocks move with > the contents of the scrollback when scrolling. When that text is > eventually scrolled off the screen, scrolling back may induce a > different corruption pattern. Forcing a redisplay of the contents of > the terminal by going to a different virtual desktop and back will get > rid of the corruption.
also, menu "Main Options", "Redraw Window" can help. > This has happened ever since I changed my hardware -- mostly updating > my video card to a radeon RX570 -- necessitating new versions of some > drivers and kernel. While I would happily accept that the video card > might have some dodgy memory (note to self: find a GPU memory stress > tester), this corruption has not affected any other program other than > xterm's scrollback buffer, so I wonder if it's a bug instead. > > Screengrabs of the symptom: > > https://rather.puzzling.org/~tconnors/tmp/screengrab-xterm-scrollback-corruption.png > https://rather.puzzling.org/~tconnors/tmp/screengrab-xterm-scrollback-corruption2.png > > radeon amdgpu drivers and firmware are the latest version allowed by > otherwise being on debian stable - ie, It looks like the problem is in the drivers (not xterm). That could be defective implementation of XCopyArea, for instance. https://bugs.freedesktop.org/show_bug.cgi?id=110214 -- Thomas E. Dickey <dic...@invisible-island.net> https://invisible-island.net ftp://ftp.invisible-island.net
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