Re: EC seen at boot doesn't unplug

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On Sat, Jun 04, 2011 at 10:07:25PM -0500, Carl Karsten wrote:
> On Sat, Jun 4, 2011 at 8:41 PM, Greg KH <greg@xxxxxxxxx> wrote:
> > On Sat, Jun 04, 2011 at 10:26:27AM -0500, Carl Karsten wrote:
> >> I am wondering why I see a difference between 2 similar setups:
> >> ubuntu 2.6.39-3-generic
> >> EC card (many firewire cards)
> >>
> >> I have 2 laptops. 2.6.39-3-generic on both.
> >>
> >> HP EliteBook 8530w (KS051UA#ABA)
> >> HP Pavilion dv6700 Notebook PC (KC300UA#ABA)
> >>
> >> On the EliteBook,  hotplug works: lspci entries come and go, modules
> >> un/load, udev reports add/remove.  good.
> >>
> >> On the Pavilion, if I load acpiphp (via /etc/modules), hotplug works.
> >> If I don't load any additional modules hotplug does not work: insert
> >> card - nothing in syslog, lspci, udev.  If a card is in the slot when
> >> the kernel loads, it shows in syslog, lscpi and the drivers get
> >> loaded.  If I pull it out, nothing changes: still listed in lspci,
> >> modules still loaded, dev nodes still around.
> >
> > Try pciehp instead of acpiphp, that's usually used for "newer" systems.
> >
> > Let us know if that works or not.
> >
> 
> Dose not work:  It's included in the kernel.
> 
> [    0.560605] pciehp: PCI Express Hot Plug Controller Driver version: 0.4

Ok, try posting this on the linux-pci@xxxxxxxxxxxxxxx list, that's where
the PCI hotplug people are at, not here.

good luck,

greg k-h
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