Date: Fri, 23 Mar 2001 18:26:09 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: (Bill Paul) <wpaul@FreeBSD.org> Cc: current@FreeBSD.org, Johny.Mattsson@ericsson.com.au, (Mike Smith) <msmith@FreeBSD.org> Subject: Re: newcard/cardbus instabilities Message-ID: <XFMail.010323182609.jhb@FreeBSD.org> In-Reply-To: <20010323053947.60AC337B71B@hub.freebsd.org>
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On 23-Mar-01 Bill Paul wrote: >> >> That's a bit ugly. >> >> > xl0: <3Com 3c575C Fast Etherlink XL> port 0x3000-0x307f mem >> > 0x44020000-0x4403ffff,0x44002480-0x440024ff,0x44002400-0x4400247f irq 10 >> > at >> > device 0.0 on cardbus1 >> > xl0: chip is in D6 power mode -- setting to D0 >> >> I'm a bit worried about this; "D6" doesn't really exist, so it's possible >> that something is going wrong here. >> >> Bill; you might have some better ideas than I do. Suggestions? > > My suggestion? Chop out the power management stuff in xl_attach() > and see what happens. The xl driver is using the pci_get_powerstate() > and pci_set_powerstate() routines right now in order to check for PCI > NICs that have been forced into the D3 state by Windoze during shutdown. > However, those functions are internal to the PCI bus code, and I'm not > sure what will happen when you try to use them with devices that are > children of a cardbus bus. > > So, edit /sys/pci/if_xl.c, find the xl_attach() function, and comment > out/#ifdef out/delete the section that checks the power state of the card. > Like Mike says, the D6 state is bogus. > > Unfortunately, I can't test this myself at the moment since I find myself > without a laptop. I might be able to coerce^Wconvince John Baldwin to > let me test this with his though. You'll have to coerce^Wconvince Mike or Warner to fix cardbus resource allocation so that cardbus cards don't try to stomp on PCI devices on my machine and freeze it until I eject the card. :) > -Bill -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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