Subject: Re: de looping in interrupt on heavy load
To: William Coldwell <email@example.com>
From: Bill Studenmund <firstname.lastname@example.org>
Date: 03/03/1998 21:26:21
On Tue, 3 Mar 1998, William Coldwell wrote:
> What we're seeing is it's spinning inside of the tulip_rx_intr code jumping
> into malloc, eintrnames, m_free, and some other vm and kernel calls before
> coming right back to the interrupt. Now, I'm not a DDB jock, and I don't
> play one on TV, so I can't really be of much more help :/
> I _believe_ this started about the time that Matt Thomas moved the de driver
> to the bus_dma architecture, and I suspect something got biffed. Anyway,
> this is really a pisser, because I can't even FTP the 1.3 archive to bring
> the system back up since it tickles it. It only happens under heavy network
> load, and there doesn't seem to be a specific amount of time (the worse kinds
> to track down).
> Frustrated as hell. Is anyone else seeing this with the de 21040?
Charles sent a message out on something close to this morning. I'll send
it in a private EMail (the archives need only one copy).