Re: [BUG 2.6.20-rc2] atkbd.c: Spurious ACK

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Dmitry Torokhov wrote:

The change to suppress ACKs from paic blinking is already in Linus's
tree. I just tried booting with root=/dev/sdg and I had leds blinking
but no messages from atkbd were seen.

Could it be that you loaded older kernel by accident? Does anybody
else still seeing "Spurios ACK" messages during kernel panic?
Well, no, I'm really on 2.6.20-rc2, from a freshly cloned tree. And I do get atkbd.c complaining at me when I boot with root=/dev/wrong-device.

Could you point me to the changeset in question? I couldn't find it searching for "leds" in the log.


http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=817e6ba3623de9cdc66c6aba90eae30b5588ff11

Yes, I do have that in my tree. From the looks of it it's probably not surprising, but the following gets me blinking leds without the spurious ACK messages. Maybe still useful to know?

diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index debe944..9c70d34 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -371,7 +371,7 @@ static irqreturn_t i8042_interrupt(int i
 	if (unlikely(i8042_suppress_kbd_ack))
 		if (port_no == I8042_KBD_PORT_NO &&
 		    (data == 0xfa || data == 0xfe)) {
-			i8042_suppress_kbd_ack = 0;
+			/* i8042_suppress_kbd_ack = 0; */
 			goto out;
 		}

Rene.

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