On September 11, 2014 04:26:21 PM Bjorn Helgaas wrote: > [+cc linux-pci] > > On Sat, Aug 2, 2014 at 10:02 AM, Shawn Starr <shawn.starr@xxxxxxxxxx> wrote: > > Hello devs, > > > > There are two issues I am encountering with the PCIe Hotplug driver on my > > Lenovo Laptop (W500). I note this goes back further than 3.15. > > > > It is noted here: > > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id= > > f244d8b623dae7a7bc695b0336f67729b95a9736 > > https://bugzilla.kernel.org/show_bug.cgi?id=79701 > > > > And my open bug here: > > https://bugzilla.kernel.org/show_bug.cgi?id=77261 > > > > 1) If I enable the device to use both the integrated and discrete GPU, > > pciehp will decide to force unload radeon because it puts itself into a > > power saving state, fails back to the Intel integrated GPU in this case > > unless I tell radeon.ko to runpm=0 (no power management, then pciehp wont > > touch it). > > > > 2) If the Radeon GPU resets and you use pci_reset=1 for kernel module > > option, pciehp decides to force unload radeon even though the GPU is > > trying to setup after failing. > > > > Kernel I am using right now: 3.16.0-0.rc7.git3.1.fc21.x86_64 (about to > > boot into snapshot kernel-core-3.16.0-0.rc7.git4.1.fc21.x86_64) > Hi Shawn, > > Thanks for the report and sorry that it got dropped. But I see you're > cc'd on https://bugzilla.kernel.org/show_bug.cgi?id=79701, so you've > probably seen the work there. If you can try out the patches I just > posted, that would be great. > > Bjorn Hi Bjorn, I will be testing this in 3.17-rcX if it hits 3.17, otherwise manually patch it in. Thanks, Shawn -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
