linux-kernel - Re: expresscard hotplug not working

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Message-ID: <4746469c0908261119m6f3edbd3ya6c7f483d434df16@mail.gmail.com>
Date:	Wed, 26 Aug 2009 11:19:11 -0700
From:	Mike Mohr <akihana@...il.com>
To:	Greg KH <greg@...ah.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: expresscard hotplug not working

acpiphp fails to load (claiming no such device).  pciehp is loaded but
dmesg doesn't indicate that any hardware is found by the driver -- it
only shows a status message stating that the driver is loaded.

Thanks,
Mike

On Tue, Aug 25, 2009 at 11:45 PM, Greg KH<greg@...ah.com> wrote:
> 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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