Date: Sat, 2 May 2009 03:52:41 +0200 From: "Paul B. Mahol" <onemda@gmail.com> To: Chris Whitehouse <cwhiteh@onetel.com> Cc: User Questions <freebsd-questions@freebsd.org> Subject: Re: ndis0 interrrupt storm Message-ID: <3a142e750905011852p30281dadtb83c1b31dddd8c45@mail.gmail.com> In-Reply-To: <3a142e750905011711pc9c77f7p67e883e96fac7170@mail.gmail.com> References: <49F78DD0.70007@onetel.com> <3a142e750904290530p7189e3d2y40328186dd4141f7@mail.gmail.com> <49FB6C6A.8020308@onetel.com> <3a142e750905011711pc9c77f7p67e883e96fac7170@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 5/2/09, Paul B. Mahol <onemda@gmail.com> wrote: > On 5/1/09, Chris Whitehouse <cwhiteh@onetel.com> wrote: >> Paul B. Mahol wrote: >>> On 4/29/09, Chris Whitehouse <cwhiteh@onetel.com> wrote: >>>> Hi all >>>> >>>> I'm trying to get a Linksys WPC54Gv5 wireless pccard working. It has a >>>> Marvell 8335 chip. I've created a module with ndisgen and I can see >>>> ndis0. When I up it with ifconfig I immediately get repeated messages: >>>> >>>> Apr 28 23:23:19 pcbsd kernel: interrupt storm detected on "irq11:"; >>>> throttling interrupt source >>>> >>>> As soon as I down the interface the messages stop. >>>> >>>> I've also tried starting ndis0 with polling >>>> >>>> # ifconfig ndis0 inet 192.168.1.20 polling >>>> >>>> but still get the messages. I guess this driver doesn't support >>>> polling. >>>> Or I've got the syntax wrong. >>> >>> That command is not currently efective at all for ndisX(I yet have to >>> see if it is possible). >>> >>>> According to vmstat -i irq11 is used by cbb0 and pcm0. ndis0 is on irq9 >>>> >>>> irq9: cbb1 ndis0++ >>>> >>>> This is on PCBSD 7.1 which is FreeBSD 7.2-PRERELEASE >>>> >>>> Any way I can get this thing working? >>> >>> Try yo disable cbbX if you dont use it or enable MSI for pcm0 (if >>> possible). >> >> This is a pcmcia card in a laptop so cbb is needed :( There is no >> reference to msi in the pcm man page so I guess it is not available for >> this system. (Paul I saw a post from you on multimedia about msi in hdac >> and sure enough there is a reference to msi in snd_hda(4) man page). Am >> I looking in the right place? > > msi for snd_hda(if that is your sound driver) should be enabled by default > on CURRENT (dunno about 7): > hint.hdac.%d.msi=1 > > You could try to use different dev.ndis.0.InterruptNumber for ndis0. > Changing it via sysctl is not supported, you will need to modify right > line(s) > in inf file, or in .h file generated with ndiscvt(1) via ndisgen(8) > > Dunno if that will work .... (never tried) Tried, doesnt work. Polling could be enabled if miniport driver for your card supports it, look output of sysctl dev.ndis.0 -- Paul
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3a142e750905011852p30281dadtb83c1b31dddd8c45>