eth1: too many iterations (6) in nv_nic_irq

[jbarry]

Hi John,

We were not able to fully solve the problem, since the school opted to make
individual workstations out of the 'fat clients' (they were fairly
powerful). But the max_interrupt number that worked for me was 16 but I
would still hit the error when too many students access flash game sites.

I guess the best way for others to not encounter this problem is don't buy
this kind of lan card or maybe create a list of cards that gives this
problem.

Anyway, I am not connected with the project anymore, just lurking here to be
updated with whats the latest.

regards!

jbarry

On Tue, Mar 4, 2008 at 6:16 AM, Jim Kronebusch <jim at winonacotter.org> wrote:

> 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:
>
> https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/130075
>
> It looks like they are attributing this all to a problem between kernel
> versions and
> certain motherboards.
>
> Jim
>
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