Date: Fri, 17 Nov 2000 13:17:03 -0700 (MST) From: Nate Williams <nate@yogotech.com> To: Lars Eggert <larse@ISI.EDU> Cc: Nate Williams <nate@yogotech.com>, John Baldwin <jhb@FreeBSD.ORG>, Blaz Zupan <blaz@amis.net>, Steve Price <sprice@hiwaay.net>, Panagiotis Astithas <past@netmode.ntua.gr>, stable@FreeBSD.ORG Subject: Re: 4.2-BETA hangs on boot Message-ID: <14869.37439.863329.38990@nomad.yogotech.com> In-Reply-To: <3A159189.7C3F5F73@isi.edu> References: <XFMail.001117103855.jhb@FreeBSD.org> <3A158609.17FE2172@isi.edu> <14869.36743.510014.322061@nomad.yogotech.com> <3A159189.7C3F5F73@isi.edu>
next in thread | previous in thread | raw e-mail | index | archive | help
> > > Running the pcic in polling mode seems to slow it down (I see receiver ring > > > buffer overruns with a 100Mbps network card in polling mode). > > > > It shouldn't make *ANY* difference whatsoever if it's in polling mode or > > not, unless the PCIC is so overloaded such that 'polling' slows down the > > interrupt generation by the PCMCIA card. > > Don't know about that, but it does make a difference. > > > How fast is the box in question? > > Slow. A 166Mhz Pentium laptop. That would explain it, with a 100Mbps card. Otherwise, it shouldn't make a difference (except perhaps on a modem running full-blast). > > > and cards are detected correctly during boot and work fine. However, > > > ejecting/inserting them whan the system is running doesn;t work anymore - > > > pccardd is silent, cards are not attached/detached. > > > > Then it's not working correctly. However, FreeBSD is no longer > > 'polling for the insert/removal' status. > > Sean suggested using a completely free IRQ for the management, and that > worked. Inserting/ejecting works fine, and I no longer see recevier ring > buffer overruns. Sean's a pretty bright guy, and helps out alot of the mobile users! For what it's worth, you *must* always use a free IRQ for any PCIC function (card interrupt, PCIC events, etc...) Nate To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?14869.37439.863329.38990>