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 -- Carl K -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html