On Tue, Jul 08, 2014 at 05:02:57PM +0000, Igor Bezukh wrote: > Hi, > > > We are testing Intel Gigabit adapter driver (igb) under Fedora 20, kernel 3.14.4 for the following use-case: > > (*) Adapter is connected to the PCIE slot > (*) We put the system under suspend by running pm-suspend from user-space > (*) Remove the adapter from the PCIE slot > (*) Wake up the system > > Currently, we got kernel panics and the system gets stuck. Not good, have you sent the kernel panic to the netdev@xxxxxxxxxxxxxxx mailing list and cc:ed the driver authors? > My questions are - > 1) in order to support hot-unplugging in igb driver, should I implement the check of device presence in igb_resume > function? > > 2) After the system wakes up, I see in dmesg that the PCI device function igb refuses to change power state and remains in PCI power state D3. > can I assume that after suspend-resume if the function remains in D3 and refuses to move to D1 then hot-unplug event has occured? These questions would be best acked on the above list, the developers there should be able to help you out. good luck, greg k-h -- 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
