Date: Thu, 10 Jan 2008 09:53:47 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Tom Evans <tevans.uk@googlemail.com> Cc: freebsd-current@freebsd.org Subject: Re: Regular bge watchdog timeouts on 7.0-PRERELEASE Message-ID: <20080110175347.GA68673@troutmask.apl.washington.edu> In-Reply-To: <1199966437.1545.27.camel@localhost> References: <1199966437.1545.27.camel@localhost>
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On Thu, Jan 10, 2008 at 12:00:37PM +0000, Tom Evans wrote:
> I am encountering regular watchdog timeouts on bge:
>
> Jan 9 08:36:11 zoot kernel: bge0: watchdog timeout -- resetting
> Jan 9 08:36:11 zoot kernel: bge0: link state changed to DOWN
> Jan 9 08:36:13 zoot kernel: bge0: link state changed to UP
Add the following to /etc/sysctl.conf
net.inet.tcp.sendspace=131072
net.inet.tcp.recvspace=131072
net.inet.tcp.path_mtu_discovery=0
net.inet.udp.recvspace=65536
net.inet.raw.recvspace=16384
kern.ipc.nmbclusters=50000
kern.ipc.shm_use_phys=1
net.inet.tcp.rexmit_min=30
And then try this patch
cvs diff: Diffing dev/bge
Index: dev/bge/if_bge.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/bge/if_bge.c,v
retrieving revision 1.199
diff -u -p -r1.199 if_bge.c
--- dev/bge/if_bge.c 16 Nov 2007 16:39:27 -0000 1.199
+++ dev/bge/if_bge.c 10 Jan 2008 17:51:38 -0000
@@ -2454,9 +2454,9 @@ bge_attach(device_t dev)
/* Set default tuneable values. */
sc->bge_stat_ticks = BGE_TICKS_PER_SEC;
sc->bge_rx_coal_ticks = 150;
- sc->bge_tx_coal_ticks = 150;
- sc->bge_rx_max_coal_bds = 10;
- sc->bge_tx_max_coal_bds = 10;
+ sc->bge_tx_coal_ticks = 1500000;
+ sc->bge_rx_max_coal_bds = 32;
+ sc->bge_tx_max_coal_bds = 300;
/* Set up ifnet structure */
ifp = sc->bge_ifp = if_alloc(IFT_ETHER);
Index: dev/bge/if_bgereg.h
===================================================================
RCS file: /home/ncvs/src/sys/dev/bge/if_bgereg.h,v
retrieving revision 1.73
diff -u -p -r1.73 if_bgereg.h
--- dev/bge/if_bgereg.h 22 May 2007 19:22:58 -0000 1.73
+++ dev/bge/if_bgereg.h 10 Jan 2008 17:51:38 -0000
@@ -2342,7 +2342,7 @@ struct bge_gib {
* allocated for the standard, mini and jumbo receive rings.
*/
-#define BGE_SSLOTS 256
+#define BGE_SSLOTS 512
#define BGE_MSLOTS 256
#define BGE_JSLOTS 384
--
Steve
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