Date: Sat, 9 Feb 2002 07:40:02 -0800 (PST) From: Luigi Rizzo <luigi@FreeBSD.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/32338: Network to disk write performance low under ATA with DMA Message-ID: <200202091540.g19Fe2p76419@freefall.freebsd.org>
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The following reply was made to PR kern/32338; it has been noted by GNATS. From: Luigi Rizzo <luigi@FreeBSD.org> To: David S Madole <david@madole.net> Cc: wpaul@FreeBSD.org, freebsd-gnats-submit@FreeBSD.org Subject: Re: kern/32338: Network to disk write performance low under ATA with DMA Date: Sat, 9 Feb 2002 07:31:26 -0800 On Sat, Feb 09, 2002 at 05:55:07AM +0000, David S Madole wrote: > Luigi, > > Actually, in my case, it's the PCI latency that made all the yes, i am not denying that, it's just that i havent had a chance to exercise that part of the code. > I'm surprised you get a lot of overflows even on the slow > machine, since the card empties through DMA. I can see mbufs well, it's ring buffer overflow, not DMA overflow. But the code calls rxeoc in both cases... cheers luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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