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SubjectRe: PROBLEM: 2.6.23-rc "NETDEV WATCHDOG: eth0: transmit timed out"
Karl Meyer <> :
> I did some additional testing, the results are:
> [0e4851502f846b13b29b7f88f1250c980d57e944] r8169: merge with version
> 8.001.00 of Realtek's r8168 driver
> does not work, I after some traffic the transmit timeout occurs.
> [6dccd16b7c2703e8bbf8bca62b5cf248332afbe2] r8169: merge with version
> 6.001.00 of Realtek's r8169 driver
> Seems to be the last version to work. I did some stress testing (much
> more than the level that was enough to make
> [0e4851502f846b13b29b7f88f1250c980d57e944] break) and am currently
> using this version and no problems so far.

Thanks for the quick feedback.

Can you try the patch below on top of 2.6.23-rc3 ?

If it does not work I'll dissect 0e4851502f846b13b29b7f88f1250c980d57e944

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index b85ab4a..cdb8a08 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2749,6 +2749,7 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
if (!(status & tp->intr_event))

+#if 0
/* Work around for rx fifo overflow */
if (unlikely(status & RxFIFOOver) &&
(tp->mac_version == RTL_GIGA_MAC_VER_11)) {
@@ -2756,6 +2757,7 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)

if (unlikely(status & SYSErr)) {
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