Re: 2.6.26/tg3 ping roundtrip times > 2000 ms on local network

[Matt Carlson]

Can you try the attached patch?  The patch reduces the delay back to
what it should have been.  If this helps, then it means you are being
bitten by the same bug the upstream patch fixed.

On Tue, Aug 19, 2008 at 03:14:39PM -0700, Marc Haber wrote:
> On Tue, Aug 19, 2008 at 10:29:22AM -0700, Michael Chan wrote:
> > It has been fixed a few days ago in the net-2.6 tree:
> >
> > tg3: Fix firmware event timeouts
> >
> > and it should be in Linus' tree very soon.  This reminds us to send the
> > same patch to -stable.
> 
> Not having much clue about git, can you send me the patch to try
> locally?
> 
> I am not even sure to have a network issue here.
> 
> Greetings
> Marc
> 
> --
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> 
diff -Nrup a/drivers/net/tg3.c b/drivers/net/tg3.c
--- a/drivers/net/tg3.c	2008-08-06 09:19:01.000000000 -0700
+++ b/drivers/net/tg3.c	2008-08-19 15:26:50.000000000 -0700
@@ -1677,7 +1677,7 @@ static void tg3_wait_for_event_ack(struc
 	int i;
 
 	/* Wait for up to 2.5 milliseconds */
-	for (i = 0; i < 250000; i++) {
+	for (i = 0; i < 250; i++) {
 		if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
 			break;
 		udelay(10);