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Re: 70% of packet loss with em(4) and ti(4) due to interrupts
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Re: 70% of packet loss with em(4) and ti(4) due to interrupts
- From: Jedi/Sector One <obsd-misc_(_at_)_pureftpd_(_dot_)_org>
- Date: Fri, 19 Nov 2004 19:27:40 +0059
- Cc: Jason Crawford <jasonrcrawford_(_at_)_gmail_(_dot_)_com>
On Fri, Nov 19, 2004 at 01:07:22PM -0500, Jason Crawford wrote:
> For gigabit, I believe Intel was prefered
It is current running with an Intel, but it looks even worse than with ti.
> It would also be nice if you could send a copy of the
> interupt error messages you got from the cards.
There's no error message. But a ping of the router that is on the other
end of the fiber shows 70% packet loss and between 2 and 18 seconds of delay.
And our web sites are almost inaccessible although we still have plenty of
available upstream bandwidth and the servers are ready to serve more. If I
plug another host (with no load) on the same network, I can reach the same
router with no packet loss and about 0.400 ms of delay.
> From glancing at the
> dmesg, doesn't look like there is a problem with them, but I'm no
> expert on hardware. A copy of the interupt error messages would help a
No error message, but top(1) at the time I'm writing this message:
CPU states: 2.0% user, 0.0% nice, 3.9% system, 94.1% interrupt, 0.0% idle
and our web sites are almost dead from the internet, while fast from the
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