Messages in this thread Patch in this message |  | | | From | "Antonino A. Daplas" <> | | Subject | Re: [Linux-fbdev-devel] Re: Radeon framebuffer weirdness in -mm2 | | Date | Sat, 22 Jan 2005 00:36:38 +0800 |
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On Friday 21 January 2005 11:57, Matt Mackall wrote: > On Thu, Jan 20, 2005 at 04:01:23PM -0800, Andrew Morton wrote: > > Matt Mackall <mpm@selenic.com> wrote:
> If I do a reboot(8) from inside X, I get switched to vt 0, but the > shutdown messages come out on vt 7, where X was running. As I'm > sitting on vt 0 during shutdown, I see character cells changed to > something like "_" (last two scanlines filled) slowly marching down > the screen corresponding to the shutdown messages.
Confirmed that this also occurs with vesafb.
This corruption (underscores) is due to the cursor of a not visibile console being drawn on the foreground display. The console layer should decide when and where to draw the console but, for now, a simple workaround is to disallow drawing of the fbcon cursor if the console is not visible.
Signed-off-by: Antonino Daplas <adaplas@pol.net> --- fbcon.c | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-) diff -Nru a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c --- a/drivers/video/console/fbcon.c 2005-01-21 20:15:20 +08:00 +++ b/drivers/video/console/fbcon.c 2005-01-22 00:31:30 +08:00 @@ -1087,7 +1087,7 @@ int y = real_y(p, vc->vc_y); int c = scr_readw((u16 *) vc->vc_pos); - if (fbcon_is_inactive(vc, info)) + if (fbcon_is_inactive(vc, info) || !CON_IS_VISIBLE(vc)) return; ops->cursor_flash = 1;
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