eth1: too many iterations (6) in nv_nic_irq

Jim Kronebusch jim at
Tue Mar 4 02:16:30 GMT 2008

On Mon, 3 Mar 2008 16:12:47 -0800, john wrote
> Hi all,
> I sent this as a reply to an old topic about firefox, but I decided
> since this is not a firefox question, I'd send
> it again with a  more pertinent subject line.
> Problem:
> Recently we've had our edubuntu server become unresponive when we have
> 20 or so users on it. We are running a two dual cores and 8 gigs of
> ram so I don't think the CPU or memory is the problem.
> When I look at syslog or do dmesg I  see "eth1: too many iterations
> (6) in nv_nic_irq." these are typically the last messages logged right
> before my server locks up and needs a hard reboot.
> I see folks ran into this problem last August.
>  I was wondering if jbarry (the person who first reported this
> problem) ended up merely replacing the nics or did anyone  go with
> creating a file called  "/etc/modprobe.d/forcedeth" and putting
> "options forcedeth max_interrupt_work=10" in it. Did it work?
>  I am trying to decide which
> course to take and I'd appreciate any ideas folks could give me.

Read this thread, long read but it might give you some insight:

It looks like they are attributing this all to a problem between kernel versions and
certain motherboards.


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