On Mon, May 08, 2017 at 06:34:08PM +0200, Lucas Stach wrote: > Am Montag, den 08.05.2017, 17:02 +0200 schrieb Peter Senna Tschudin: > > Hello Kishon, > > > > Our iMX6 hardware (imx6q-b850v3.dts) is not booting with latest > > linux-next and I could bisect until: > > > > commit 442ec4c04d1235f8c664a74004dae54a7a574d18 > > Author: Kishon Vijay Abraham I <kishon@xxxxxx> > > Date: Wed Feb 15 18:48:14 2017 +0530 > > > > PCI: dwc: all: Split struct pcie_port into host-only and core structures > > > > Which seem to be causing our issues. Our device (imx6q-b850v3.dts) boots > > fine with 4.10, and also boots if we disable pcie with: > > Are you sure about this bisect? It seems more likely that the secondary > bus scanning goes wrong. It seems Lorenzo Pieralisi's cfg space > non-posting patches landed in next, so the root cause of this might just > be the driver hooking the wrong fault code now. > > Async and synchronous aborts are different fault codes on ARM. Can you > see of removing the "16 +" in hook_fault_code() in > drivers/pci/dwc/pci-imx6.c fixes this issue? changing it to: hook_fault_code(6, imx6q_pcie_abort_handler, SIGBUS, 0, "imprecise external abort"); made no difference, problem persists... > > Regards, > Lucas >
