sysrq_bugfix.patch

来自「Linux-2.6.18内核调试工具补丁程序KGDB。」· PATCH 代码 · 共 22 行

It is possible that when SysRq-G is triggered via the keyboard that we will
miss the "up" event and once KGDB lets the kernel go another SysRq will be
required to clear this, without this change.

Signed-off-by: Tom Rini <[e-mail]>

 drivers/char/keyboard.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6.15-rc4/drivers/char/keyboard.c
===================================================================
--- linux-2.6.15-rc4.orig/drivers/char/keyboard.c
+++ linux-2.6.15-rc4/drivers/char/keyboard.c
@@ -1069,6 +1069,7 @@ static void kbd_keycode(unsigned int key
 	}
 	if (sysrq_down && down && !rep) {
 		handle_sysrq(kbd_sysrq_xlate[keycode], regs, tty);
+		sysrq_down = 0;		/* In case we miss the 'up' event. */
 		return;
 	}
 #endif