On Tue, 16 Oct 2007 15:31:29 -0400 Mark Lord <[EMAIL PROTECTED]> wrote:
> Mark Lord wrote: > > Mark Lord wrote: > >> Kristen Carlson Accardi wrote: > >>> On Tue, 16 Oct 2007 14:39:33 -0400 > >>> Mark Lord <[EMAIL PROTECTED]> wrote: > >>> > >>>> I also checked my modprobe.d/ options, and I am using pciehp_force=1. > >>>> Without that flag, none of this ever works. > >>> > >>> OK - I suspected something like this. Most Dell computers don't support > >>> ExpressCard hotplug using Native PCIe -- in fact, I've not seen a single > >>> one, they explicitly disable it because they have not validated it or > >>> they have and something didn't work right. I'll take a look at what > >>> you've > >>> got, but be aware that you are forcing pciehp to load and operate on > >>> a system > >>> where they've certainly either not tested it, or tested it and something > >>> bad happened. > >> > >> Perhaps. But this one works perfectly, except for two driver bugs: > >> > >> 1. Driver does not notice already-inserted cards after modprobe. > >> 2. Driver fails to function after suspend/resume until reloaded. > >> > >> Both of those are fixable in the kernel. > > > > Ahh.. point 2 in particular suffers from "suspend/resume" not implemented. > > Or rather, implemented as a pair of "do nothing" functions. > I tried to reproduce this on a Lenovo T61, which does have proper firmware support for _OSC, and also has been validated, and the driver which is in 2.6.23-git8 seems to work fine, even across suspend resume. I suspect that your system just doesn't support pcie hotplug properly. You might try getting a BIOS update from Dell. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
