Hello, Im getting trouble with kernel 3.13 at boot time, the pcie link failed to get up with the following log: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at drivers/gpio/gpiolib.c:159 gpio_to_desc+0x34/0x48() invalid GPIO -2 Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.13.0+ #4 Backtrace: [<8001217c>] (dump_backtrace) from [<80012460>] (show_stack+0x18/0x1c) r6:802b9548 r5:00000000 r4:808d3060 r3:00000000 [<80012448>] (show_stack) from [<806414fc>] (dump_stack+0x84/0x9c) [<80641478>] (dump_stack) from [<800289f8>] (warn_slowpath_common+0x70/0x94) r5:00000009 r4:bf05bcb0 [<80028988>] (warn_slowpath_common) from [<80028a54>] (warn_slowpath_fmt+0x38/0x40) r8:01f00000 r7:00000000 r6:0011cc11 r5:808b68c0 r4:bf24fa30 [<80028a20>] (warn_slowpath_fmt) from [<802b9548>] (gpio_to_desc+0x34/0x48) r3:fffffffe r2:807d23fc [<802b9514>] (gpio_to_desc) from [<802d9de0>] (imx6_pcie_host_init+0x174/0x434) [<802d9c6c>] (imx6_pcie_host_init) from [<80886dbc>] (dw_pcie_host_init+0x348/0x41c) r6:00000000 r5:808d52cc r4:00000020 r3:802d9c6c [<80886a74>] (dw_pcie_host_init) from [<808871d4>] (imx6_pcie_probe+0x320/0x3dc) r10:00000000 r9:000000c4 r8:808d539c r7:bf7e3384 r6:bf24fa30 r5:bf135810 r4:bf24fa10 [<80886eb4>] (imx6_pcie_probe) from [<8034b670>] (platform_drv_probe+0x20/0x50) r8:808d539c r7:00000000 r6:00000000 r5:808d539c r4:bf135810 [<8034b650>] (platform_drv_probe) from [<80349c74>] (driver_probe_device+0x118/0x234) r5:bf135810 r4:80e526b8 [<80349b5c>] (driver_probe_device) from [<80349e78>] (__driver_attach+0x9c/0xa0) r8:80886e90 r7:00000000 r6:bf135844 r5:808d539c r4:bf135810 r3:00000000 [<80349ddc>] (__driver_attach) from [<8034806c>] (bus_for_each_dev+0x68/0x9c) r6:80349ddc r5:808d539c r4:00000000 r3:00000000 [<80348004>] (bus_for_each_dev) from [<8034972c>] (driver_attach+0x20/0x28) r6:808df6a8 r5:bf1f5e00 r4:808d539c [<8034970c>] (driver_attach) from [<803493b0>] (bus_add_driver+0x148/0x1f4) [<80349268>] (bus_add_driver) from [<8034a4c8>] (driver_register+0x80/0x100) r7:8090e640 r6:8090e640 r5:00000005 r4:808d539c [<8034a448>] (driver_register) from [<8034b63c>] (__platform_driver_register+0x50/0x64) r5:00000005 r4:808d5388 [<8034b5ec>] (__platform_driver_register) from [<8034b6e0>] (platform_driver_probe+0x28/0xac) [<8034b6b8>] (platform_driver_probe) from [<80886ea8>] (imx6_pcie_init+0x18/0x24) r5:00000005 r4:808aa104 [<80886e90>] (imx6_pcie_init) from [<80008978>] (do_one_initcall+0x100/0x164) [<80008878>] (do_one_initcall) from [<8085ecc0>] (kernel_init_freeable+0x10c/0x1d0) r10:8089e060 r9:000000c4 r8:8089e050 r7:8090e640 r6:8090e640 r5:00000005 r4:808aa104 [<8085ebb4>] (kernel_init_freeable) from [<8063b67c>] (kernel_init+0x10/0x120) r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8063b66c r4:00000000 [<8063b66c>] (kernel_init) from [<8000e9c8>] (ret_from_fork+0x14/0x2c) r4:00000000 r3:ffffffff ---[ end trace b5e746dfc2398cd6 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at drivers/gpio/gpiolib.c:159 gpio_to_desc+0x34/0x48() invalid GPIO -2 Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 3.13.0+ #4 Backtrace: [<8001217c>] (dump_backtrace) from [<80012460>] (show_stack+0x18/0x1c) r6:802b9548 r5:00000000 r4:808d3060 r3:00000000 [<80012448>] (show_stack) from [<806414fc>] (dump_stack+0x84/0x9c) [<80641478>] (dump_stack) from [<800289f8>] (warn_slowpath_common+0x70/0x94) r5:00000009 r4:bf05bcb0 [<80028988>] (warn_slowpath_common) from [<80028a54>] (warn_slowpath_fmt+0x38/0x40) r8:01f00000 r7:00000000 r6:0011cc11 r5:808b68c0 r4:bf24fa30 [<80028a20>] (warn_slowpath_fmt) from [<802b9548>] (gpio_to_desc+0x34/0x48) r3:fffffffe r2:807d23fc [<802b9514>] (gpio_to_desc) from [<802d9df8>] (imx6_pcie_host_init+0x18c/0x434) [<802d9c6c>] (imx6_pcie_host_init) from [<80886dbc>] (dw_pcie_host_init+0x348/0x41c) r6:00000000 r5:808d52cc r4:00000020 r3:802d9c6c [<80886a74>] (dw_pcie_host_init) from [<808871d4>] (imx6_pcie_probe+0x320/0x3dc) r10:00000000 r9:000000c4 r8:808d539c r7:bf7e3384 r6:bf24fa30 r5:bf135810 r4:bf24fa10 [<80886eb4>] (imx6_pcie_probe) from [<8034b670>] (platform_drv_probe+0x20/0x50) r8:808d539c r7:00000000 r6:00000000 r5:808d539c r4:bf135810 [<8034b650>] (platform_drv_probe) from [<80349c74>] (driver_probe_device+0x118/0x234) r5:bf135810 r4:80e526b8 [<80349b5c>] (driver_probe_device) from [<80349e78>] (__driver_attach+0x9c/0xa0) r8:80886e90 r7:00000000 r6:bf135844 r5:808d539c r4:bf135810 r3:00000000 [<80349ddc>] (__driver_attach) from [<8034806c>] (bus_for_each_dev+0x68/0x9c) r6:80349ddc r5:808d539c r4:00000000 r3:00000000 [<80348004>] (bus_for_each_dev) from [<8034972c>] (driver_attach+0x20/0x28) r6:808df6a8 r5:bf1f5e00 r4:808d539c [<8034970c>] (driver_attach) from [<803493b0>] (bus_add_driver+0x148/0x1f4) [<80349268>] (bus_add_driver) from [<8034a4c8>] (driver_register+0x80/0x100) r7:8090e640 r6:8090e640 r5:00000005 r4:808d539c [<8034a448>] (driver_register) from [<8034b63c>] (__platform_driver_register+0x50/0x64) r5:00000005 r4:808d5388 [<8034b5ec>] (__platform_driver_register) from [<8034b6e0>] (platform_driver_probe+0x28/0xac) [<8034b6b8>] (platform_driver_probe) from [<80886ea8>] (imx6_pcie_init+0x18/0x24) r5:00000005 r4:808aa104 [<80886e90>] (imx6_pcie_init) from [<80008978>] (do_one_initcall+0x100/0x164) [<80008878>] (do_one_initcall) from [<8085ecc0>] (kernel_init_freeable+0x10c/0x1d0) r10:8089e060 r9:000000c4 r8:8089e050 r7:8090e640 r6:8090e640 r5:00000005 r4:808aa104 [<8085ebb4>] (kernel_init_freeable) from [<8063b67c>] (kernel_init+0x10/0x120) r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8063b66c r4:00000000 [<8063b66c>] (kernel_init) from [<8000e9c8>] (ret_from_fork+0x14/0x2c) r4:00000000 r3:ffffffff ---[ end trace b5e746dfc2398cd7 ]--- imx6q-pcie 1ffc000.pcie: phy link never came up PCI host bridge to bus 0000:00 pci_bus 0000:00: root bus resource [io 0x1000-0x10000] pci_bus 0000:00: root bus resource [mem 0x01000000-0x01efffff] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff] PCI: bus0: Fast back to back transfers disabled PCI: bus1: Fast back to back transfers enabled pci 0000:00:00.0: BAR 0: assigned [mem 0x01000000-0x010fffff] pci 0000:00:00.0: BAR 6: assigned [mem 0x01100000-0x0110ffff pref] pci 0000:00:00.0: PCI bridge to [bus 01] pci 0000:00:00.0: PCI bridge to [bus 01] Please, any help is welcome. Regards, Kamel.B -- 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