Fix screendump with multiple consoles

pretend to be the active console while a screendump takes place.

Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/console.c b/console.c
index a1bc769c8..061135f42 100644
--- a/console.c
+++ b/console.c
@@ -167,10 +167,15 @@ void vga_hw_invalidate(void)
 
 void vga_hw_screen_dump(const char *filename)
 {
+    TextConsole *previous_active_console;
+
+    previous_active_console = active_console;
+    active_console = consoles[0];
     /* There is currently no was of specifying which screen we want to dump,
        so always dump the dirst one.  */
     if (consoles[0]->hw_screen_dump)
         consoles[0]->hw_screen_dump(consoles[0]->hw, filename);
+    active_console = previous_active_console;
 }
 
 void vga_hw_text_update(console_ch_t *chardata)