# Re: Mass udp flow reboot linux with RealTek RTL-8169 Gigabit

- From: Francois Romieu \<romieu@fr.zoreil.com\>
- Date: 2011-02-13 20:37:57 
- List: netdev
- Page: https://ratatoskr.run/netdev/2011/02/3677007
- Thread: https://ratatoskr.run/netdev/2011/02/3676907/t.md

```text
Seblu [ref] :
[...]
> > NIC seems to be reset frequently but host stop rebooting. \o//
> ok after about 1 hour of iperf, host reboot.

Can you apply the patch below on top of 2.6.38-rc4 ?

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 59ccf0c..5d64b80 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -4645,6 +4645,7 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
 			switch (tp->mac_version) {
 			/* Work around for rx fifo overflow */
 			case RTL_GIGA_MAC_VER_11:
+			case RTL_GIGA_MAC_VER_20:
 			case RTL_GIGA_MAC_VER_22:
 			case RTL_GIGA_MAC_VER_26:
 				netif_stop_queue(dev);
@@ -4653,7 +4654,6 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
 			/* Testers needed. */
 			case RTL_GIGA_MAC_VER_17:
 			case RTL_GIGA_MAC_VER_19:
-			case RTL_GIGA_MAC_VER_20:
 			case RTL_GIGA_MAC_VER_21:
 			case RTL_GIGA_MAC_VER_23:
 			case RTL_GIGA_MAC_VER_24:
```