Re: 2.6.18-rc4-mm1

[Dmitry Torokhov]

On Monday 14 August 2006 17:44, Ben B wrote:
> Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> uttered the following thing:
> > On 8/14/06, Ben B <kernel@xxxxxxxxxxxxx> wrote:
> > >I can try to get a full boot log later when I get home.
> > >
> > 
> > Please.
> 
> It was impossible to get. I set the 'init' kernel option to a dedicated
> script to dump dmesg, but even that went way past the messages.
> 

Could you please try increasing the buffer size (using log_buf_len=xxx
option). 131072 shoudl work I think.

Also please try the patch below. Thanks!

-- 
Dmitry

Signed-off-by: Dmitry Torokhov <dtor@xxxxxxx>
---

 drivers/input/serio/i8042.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletion(-)

Index: work/drivers/input/serio/i8042.c
===================================================================
--- work.orig/drivers/input/serio/i8042.c
+++ work/drivers/input/serio/i8042.c
@@ -631,8 +631,14 @@ static int __devinit i8042_check_aux(voi
 		goto out;
 
 	if (wait_for_completion_timeout(&i8042_aux_irq_delivered,
-					msecs_to_jiffies(250)) == 0)
+					msecs_to_jiffies(250)) == 0) {
+/*
+ * AUX IRQ was never delivered so we need to flush the controller to
+ * get rid of the byte we put there; otherwise keyboard may not work.
+ */
+		i8042_flush();
 		retval = -1;
+	}
 
  out:
 
-
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