On Sat, Jun 4, 2011 at 10:07 PM, Carl Karsten <carl@xxxxxxxxxxxxxxxxx> 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 more info: root@pc8:/var/log# grep -i hotplug /boot/config-2.6.39-3-generic CONFIG_HOTPLUG=y # CONFIG_MEMORY_HOTPLUG is not set CONFIG_HOTPLUG_CPU=y CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y CONFIG_ACPI_HOTPLUG_CPU=y CONFIG_HOTPLUG_PCI_PCIE=y CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_FAKE=m CONFIG_HOTPLUG_PCI_ACPI=m CONFIG_HOTPLUG_PCI_ACPI_IBM=m CONFIG_HOTPLUG_PCI_CPCI=y CONFIG_HOTPLUG_PCI_CPCI_ZT5550=m CONFIG_HOTPLUG_PCI_CPCI_GENERIC=m CONFIG_HOTPLUG_PCI_SHPC=m root@pc8:/sys/module/pciehp/parameters# tail * ==> pciehp_debug <== N ==> pciehp_detect_mode <== (null) ==> pciehp_force <== N ==> pciehp_poll_mode <== N ==> pciehp_poll_time <== 0 -- 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
