Public bug reported:
After installing Ubuntu Karmic on a HP Mini 2140 netbook, and booting
the netbook, without wired ethernet connected, the ethernet NIC (sky2)
fails be to detected even if a ethernet wire is attached after booting.
It seems to BIOS disabled the NIC (sky2) entirely when no link is
detected at boot, so there is nothing for Linux to detect. It's actually
not shown on the PCI bus at all...
ACPI PCI HotPlug is required to "see" the NIC when it's enabled when
link is detected...
echo "acpiphp" > /etc/modules solves the problem entirely... After this
it works completely!
So I'm wondering why the acpiphp module is not loaded by default when
PCI Hotplug capability is detected in the BIOS.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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HP Mini 2140 sky2 NIC does not hotplug by default
https://bugs.launchpad.net/bugs/464915
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