Date: Wed, 19 Jan 2005 14:03:21 -0800 From: "Kevin Oberman" <oberman@es.net> To: Robert Blacquiere <freebsd@guldan.demon.nl> Cc: freebsd-mobile@FreeBSD.ORG Subject: Re: Xircom Realport Cardbus Ethernet 10/100 + Modem 56 Message-ID: <20050119220321.4A2E95D08@ptavv.es.net> In-Reply-To: Your message of "Wed, 19 Jan 2005 20:56:36 %2B0100." <20050119195635.GC61467@bombur.guldan.demon.nl>
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> Date: Wed, 19 Jan 2005 20:56:36 +0100
> From: Robert Blacquiere <freebsd@guldan.demon.nl>
> Sender: owner-freebsd-mobile@freebsd.org
>
> Hi all,
>
> I've been using this cardbus card on and off for debugging cases. And
> last time i've used it was with 5.2.1 system which worked perfect. But
> after upgrading to 5.3 and 5.3S it seems to hang my system. I've got some
> wireless 16 and 32 bit cards and all work. But this one failes badly.
>
> I got the dc0 and sio4 device which all worked.
>
> I've tried also using:
> hw.pci.allow_unsupported_io_range=1
> and have to add the following to prevent issues with the irda port.
> hw.cbb.start_16_io="0x140"
>
> Does any body know a possible solution? It's hard to get some debug info.
> Tomorrow i'll try and get dumping and some dmesg output available.
Here is a kludge to make it work. The problem is probably a combination
of a driver bug and a problem with busdma.
Scott Long has been looking into this, but I have not heard anything
from him for a while, so I guess I'll need to jog his elbow. In any
case, this patch should get you back on-line.
--
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net Phone: +1 510 486-8634
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--- if_dc.c~ Fri Oct 15 17:53:44 2004
+++ if_dc.c Mon Dec 20 14:22:48 2004
@@ -2151,8 +2151,8 @@
}
/* Allocate a busdma tag for mbufs. */
- error = bus_dma_tag_create(NULL, PAGE_SIZE, 0, BUS_SPACE_MAXADDR_32BIT,
- BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES * DC_TX_LIST_CNT,
+ error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT,
+ BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES,
DC_TX_LIST_CNT, MCLBYTES, 0, NULL, NULL, &sc->dc_mtag);
if (error) {
printf("dc%d: failed to allocate busdma tag\n", unit);
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