Ubuntu
linux package

  1. Bug #371434
  2. Comment #5

Comment 5 for bug 371434

Revision history for this message
mlx (myxal-mxl) wrote : Re: [Bug 371434] Re: PCI ExpressCard hotplug requires pciehp.pciehp_force=1

> The pciehp code does not run if it cannot find hotplug parameters from
> pci_hotplug code. To fix this bug, we need to know how to determine if a
> laptop computer will support hotplug or not, and correct the pci_hotplug
> hotplug detection.
>
Perhaps Matthew Garrett might be of some help?>
http://mjg59.livejournal.com/100587.html

> Would the subscribers of this bug please try booting with kcmdline
> pciehp.pciehp_force=0 and then modprobe acpiphp ?
>

[ 0.000000] Kernel command line: root=##snip## ro quiet splash
pciehp.pciehp_force=0
...
[ 115.301235] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 115.807447] acpiphp_glue: can't get bus number, assuming 0

...and...

$ sudo modprobe acpiphp
FATAL: Error inserting acpiphp
(/lib/modules/2.6.28-11-generic/kernel/drivers/pci/hotplug/acpiphp.ko): No
such device

(This doesn't look right...)
Should I send in the disassembled DSDT?