linux-kernel - Re: expresscard hotplug not working

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Date:	Tue, 25 Aug 2009 23:45:45 -0700
From:	Greg KH <greg@...ah.com>
To:	Mike Mohr <akihana@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: expresscard hotplug not working

On Tue, Aug 25, 2009 at 06:17:28PM -0700, Mike Mohr wrote:
> Hi,
> 
> I think I'm having a similar problem to the fellow listed here:
> 
> http://kerneltrap.org/mailarchive/linux-kernel/2007/10/16/344543
> 
> The only difference is that no card will work at all unless it is
> inserted before system power is turned on.  If the card is removed
> while the system is running it stops working and will never return to
> life unless the system is rebooted with the card in the slot.
> 
> My kernel is configured exactly as this page describes:
> 
> http://www.gentoo-wiki.info/ExpressCard
> 
> However, I do not receive anything in dmesg except the reports of the
> driver being unloaded and/or loaded.  Attempts to insert the card
> after the machine is up elicit no kernel messages.  I'm thinking there
> may be a missing PCI ID somewhere in the pciehp/pci_hotplug driver(s),
> but I could well be mistaken.

Do you have the acpiphp or pciehp driver loaded before trying to insert
your card?

thanks,

greg k-h
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