Date: Wed, 1 Mar 2006 17:35:13 +0100 From: Holger Kipp <hk@alogis.com> To: Volker <volker@vwsoft.com> Cc: freebsd-stable@freebsd.org Subject: Re: ppp HDLC errors Message-ID: <20060301163513.GB70143@intserv.int1.b.intern> In-Reply-To: <4405BB89.204@vwsoft.com> References: <4405BB89.204@vwsoft.com>
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On Wed, Mar 01, 2006 at 04:19:37PM +0100, Volker wrote: > Dear list members, > > I'm trying to get a 3g / UMTS connection to work on my RELENG_6 > (i386, AMD Sempron) machine. I've installed a Novatel Merlin U630 > card (pcmcia) which is providing a hayes serial modem to the system > (on sio4 in my case). > > Dialing works fine but most DNS queries are timing out, but also > most tcp sessions won't work. While in ppp (userland) I'm seeing > messages like: I had a similar problem with PCI-800H card. > Later I'm seeing message like that on the console screen: > > sio4: 152599 more interrupt-level buffer overflows (total 152599) Have a look at http://www.freebsd.org/cgi/query-pr.cgi?pr=51982 maybe it is related. You could change sio.c and increase cp4ticks by factor of 10, then recompile your kernel and see if it helps. have you activated rtscts-flowcontrol (see /etc/rc.d/serial) for sio4? > It's a RELENG_6 machine with a recent kernel (compiled yesterday > with kernel sources from Feb-26). > > sio4: unable to activate interrupt in fast mode - using normal mode this might be if sio4 shares its irq with other resources... Regards, Holger Kipp
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