Hello,
I plugged in the wifi module for my jetson Nano today and I see a lot of error in syslog as shown below:
[ 8.404559] Intel(R) Wireless WiFi driver for Linux
[ 8.404563] Copyright(c) 2003- 2015 Intel Corporation
[ 8.404787] iwlwifi 0000:01:00.0: enabling device (0000 → 0002)
[ 8.430624] pcieport 0000:00:01.0: AER: Uncorrected (Non-Fatal) error received: id=0010
[ 8.430635] pcieport 0000:00:01.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0008(Requester ID)
[ 8.444267] pcieport 0000:00:01.0: device [10de:0fae] error status/mask=00004000/00000000
[ 8.470790] pcieport 0000:00:01.0: [14] Completion Timeout (First)
[ 8.490651] pcieport 0000:00:01.0: broadcast error_detected message
[ 8.490656] pcieport 0000:00:01.0: AER: Device recovery failed
[ 8.490662] pcieport 0000:00:01.0: AER: Multiple Uncorrected (Non-Fatal) error received: id=0010
[ 8.490676] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 10010049
[ 8.502675] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 11010005
[ 8.512451] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 11010009
[ 8.524000] pcieport 0000:00:01.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0008(Requester ID)
[ 8.535775] pcieport 0000:00:01.0: device [10de:0fae] error status/mask=00004000/00000000
[ 8.545968] pcieport 0000:00:01.0: [14] Completion Timeout (First)
[ 8.553964] pcieport 0000:00:01.0: broadcast error_detected message
[ 8.553969] pcieport 0000:00:01.0: AER: Device recovery failed
[ 8.659577] iwlwifi 0000:01:00.0: Direct firmware load for iwlwifi-3168-26.ucode failed with error -2
[ 8.670242] iwlwifi 0000:01:00.0: Falling back to user helper
[ 8.690316] l4tbr0: port 2(usb0) entered disabled state
[ 9.005910] iwlwifi 0000:01:00.0: Direct firmware load for iwlwifi-3168-25.ucode failed with error -2
[ 9.015198] iwlwifi 0000:01:00.0: Falling back to user helper
[ 9.027569] iwlwifi 0000:01:00.0: Direct firmware load for iwlwifi-3168-24.ucode failed with error -2
[ 9.037210] iwlwifi 0000:01:00.0: Falling back to user helper
[ 9.046192] iwlwifi 0000:01:00.0: Direct firmware load for iwlwifi-3168-23.ucode failed with error -2
[ 9.055529] iwlwifi 0000:01:00.0: Falling back to user helper
[ 9.096547] iwlwifi 0000:01:00.0: loaded firmware version 22.391740.0 op_mode iwlmvm
[ 9.175570] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 3168, REV=0xFFFFFFFF
[ 9.175587] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000001
[ 9.177607] iwlwifi 0000:01:00.0: L1 Enabled - LTR Enabled
[ 9.184558] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000000
[ 9.193184] Timeout waiting for hardware access (CSR_GP_CNTRL 0xffffffff)
[ 9.193235] ------------[ cut here ]------------
[ 9.193263] WARNING: CPU: 3 PID: 4397 at /dvs/git/dirty/git-master_linux/kernel/kernel-4.9/drivers/net/wireless/intel/iwlwifi/pcie/trans.c:1860 iwl_trans_pcie_reclaim+0x236c/0x3bb0 [iwlwifi]
[ 9.193273] Modules linked in: iwlmvm(+) mac80211 iwlwifi cfg80211 nvs nvgpu bluedroid_pm ip_tables x_tables
[ 9.193278] CPU: 3 PID: 4397 Comm: modprobe Not tainted 4.9.140-tegra #1
[ 9.193279] Hardware name: jetson-nano (DT)
[ 9.193282] task: ffffffc0ebb73800 task.stack: ffffffc0e16d0000
[ 9.193301] PC is at iwl_trans_pcie_reclaim+0x236c/0x3bb0 [iwlwifi]
[ 9.193320] LR is at iwl_trans_pcie_reclaim+0x236c/0x3bb0 [iwlwifi]
[ 9.193322] pc : [] lr : [] pstate: 804000c5
[ 9.193323] sp : ffffffc0e16d39e0
[ 9.193327] x29: ffffffc0e16d39e0 x28: ffffffc0e16e15e0
[ 9.193330] x27: ffffffc0f8bd2010 x26: 00000000000023e8
[ 9.193333] x25: ffffff8001237888 x24: ffffff8001230008
[ 9.193335] x23: 0000000000000000 x22: ffffffc0e5d20238
[ 9.193337] x21: ffffffc0e16d3a48 x20: ffffffc0e5d27ec0
[ 9.193340] x19: ffffffc0e5d20018 x18: 0000000000000030
[ 9.193342] x17: 0000000000000001 x16: 0000000000000000
[ 9.193344] x15: ffffffffffffffff x14: ffffff800a104240
[ 9.193346] x13: ffffff800a103e9c x12: ffffff8009e44000
[ 9.193349] x11: 0000000000000000 x10: ffffff800a103000
[ 9.193351] x9 : 0000000000000000 x8 : ffffffc0fefc1f9f
[ 9.193353] x7 : 0000000000000000 x6 : 000000001107e8e2
[ 9.193356] x5 : 00ffffffffffffff x4 : 0000000000000015
[ 9.193358] x3 : 0000000000000000 x2 : 0000000000000000
[ 9.193360] x1 : ffffffc0ebb73800 x0 : 000000000000003d
[ 9.193362] —[ end trace 0e0ff98b75e3bf2d ]—
[ 9.193363] Call trace:
[ 9.193383] [] iwl_trans_pcie_reclaim+0x236c/0x3bb0 [iwlwifi]
[ 9.193401] [] iwl_write_prph+0x38/0x80 [iwlwifi]
[ 9.193420] [] iwl_trans_pcie_reclaim+0x880/0x3bb0 [iwlwifi]
[ 9.193439] [] iwl_trans_pcie_rf_kill+0xb94/0xe98 [iwlwifi]
[ 9.193489] [] iwl_mvm_rx_chub_update_mcc+0x1238/0x17c8 [iwlmvm]
[ 9.193509] [] iwl_opmode_deregister+0xba0/0x1410 [iwlwifi]
[ 9.193529] [] iwl_opmode_register+0x74/0xf8 [iwlwifi]
[ 9.193573] [] init_module+0x38/0x80 [iwlmvm]
[ 9.193579] [] do_one_initcall+0x44/0x130
[ 9.193585] [] do_init_module+0x64/0x1a8
[ 9.193589] [] load_module+0x10a4/0x12d8
[ 9.193591] [] SyS_finit_module+0xd8/0xf0
[ 9.193594] [] el0_svc_naked+0x34/0x38
[ 9.219655] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000101
[ 9.224898] iwlwifi 0000:01:00.0: L1 Enabled - LTR Enabled
[ 9.228605] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000025
[ 9.237552] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000025
[ 9.246500] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000025
[ 9.255449] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000025
[ 9.264396] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000025
[ 9.273343] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000025
[ 9.282290] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000025
[ 9.291239] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000025
[ 9.300187] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000025
[ 9.309134] tegra-pcie 1003000.pcie-controller: PCIE: Response decoding error, signature: 13000025
The card is recognized as this is the output from lspci:
00:01.0 PCI bridge: NVIDIA Corporation Device 0fae (rev a1)
00:02.0 PCI bridge: NVIDIA Corporation Device 0faf (rev a1)
01:00.0 Network controller: Intel Corporation Dual Band Wireless-AC 3168NGW [Stone Peak] (rev ff)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
Any ideas on how to solve this?