From owner-freebsd-mobile Tue May 4 1:48:31 1999 Delivered-To: freebsd-mobile@freebsd.org Received: from freebsd.dk (freebsd.dk [212.242.42.178]) by hub.freebsd.org (Postfix) with ESMTP id CE0B3154DF for ; Tue, 4 May 1999 01:48:28 -0700 (PDT) (envelope-from sos@freebsd.dk) Received: (from sos@localhost) by freebsd.dk (8.9.1/8.9.1) id KAA21854; Tue, 4 May 1999 10:48:23 +0200 (CEST) (envelope-from sos) From: Soren Schmidt Message-Id: <199905040848.KAA21854@freebsd.dk> Subject: Re: slow ep response... In-Reply-To: <199905040537.XAA55127@harmony.village.org> from Warner Losh at "May 3, 1999 11:37:51 pm" To: imp@harmony.village.org (Warner Losh) Date: Tue, 4 May 1999 10:48:23 +0200 (CEST) Cc: mobile@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-mobile@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org It seems Warner Losh wrote: > > I was just able to recreate the slow ep response on my machine here > (granted, it is running my experiental pccard stuff, which is prone to > crashing), but I was seeing the following on an unloaded ethernet > connection: > > % ping 10.5 > PING 10.5 (10.0.0.5): 56 data bytes > 64 bytes from 10.0.0.5: icmp_seq=0 ttl=255 time=931.404 ms > 64 bytes from 10.0.0.5: icmp_seq=1 ttl=255 time=1924.132 ms > 64 bytes from 10.0.0.5: icmp_seq=2 ttl=255 time=914.182 ms > 64 bytes from 10.0.0.5: icmp_seq=3 ttl=255 time=1904.401 ms > 64 bytes from 10.0.0.5: icmp_seq=4 ttl=255 time=894.465 ms > 64 bytes from 10.0.0.5: icmp_seq=5 ttl=255 time=1884.667 ms > 64 bytes from 10.0.0.5: icmp_seq=6 ttl=255 time=874.722 ms > > This would certainly account for the problems you've been seeing. > > I suspect it has something to do with interrupts, but I'm not sure > what. I just wanted to let people know that I've seen this here... > It seems like it is interrupt related... You are not getting the interrupt, you are running on the timeout watchdog... -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message