watchdog timeout (missed Tx interrupts) on 7-BETA2(i386)
Daniel Bye
freebsd-questions at slightlystrange.org
Mon Nov 12 13:01:33 PST 2007
Hi all,
$ uname -a
FreeBSD torus.slightlystrange.org 7.0-BETA2 FreeBSD 7.0-BETA2 #0: Sun Nov 11 00:34:39 GMT 2007 root at torus.slightlystrange.org:/usr/obj/usr/src/sys/TORUS i386
nfe0: <NVIDIA nForce4 CK804 MCP9 Networking Adapter> port 0xe400-0xe407 mem 0xf0105000-0xf0105fff irq 10 at device 10.0 on pci0
I'm seeing a lot of these:
nfe0: watchdog timeout (missed Tx interrupts) -- recovering
when the system is under heavy network load (my ports distfiles are NFS
mounted from another box, so trying to extract, e.g., the OpenOffice
source, is enough to cripple the box). When the demand for network
resources has calmed down again, it usually comes back up without any
further intervention.
My kernel is simply a pared-down version of GENERIC (that is, I have only
removed drivers that I don't need, and have added nothing to it).
The same device worked adequately under 6.2-RELEASE with the nve
driver. It is only since moving to 7-BETA2 and its default nfe driver
that the problem has manifested.
Google shows that other people have had similar problems with the nfe
driver, but under 6.2-RELEASE on i386 and amd64, and no real solutions
are offered up in the archives (none that I found, anyway).
I saw a couple of suggestions that it might be down to the device sharing
and interrupt channel, but that's not the case here:
vmstat -i
interrupt total rate
irq0: clk 2709144 1000
irq1: atkbd0 10079 3
irq5: nvidia0+ 192988 71
irq6: fdc0 11 0
irq8: rtc 346692 128
irq10: nfe0+ 3300 1
irq11: pcm0 ohci0+ 93174 34
irq15: ata1 22 0
Total 3355410 1239
If they're of any use or interest:
dmesg - http://catflap.slightlystrange.org/dmesg.txt
pciconf -vl - http://catflap.slightlystrange.org/pciconf-l-v.txt
kernel config - http://catflap.slightlystrange.org/kernel.txt
sysctl -a - http://catflap.slightlystrange.org/sysctl-a.txt
I would appreciate any insights or hints as to what I might do to
fix this.
Many thanks for your time,
Dan
--
Daniel Bye
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