Hi, Dell G3 3579 (086F) Ubuntu 20.04 LOG: [72720.138307] pcieport 0000:00:1d.6: AER: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) [72720.138314] pcieport 0000:00:1d.6: AER: device [8086:a336] error status/mask=00001000/00002000 [72720.138320] pcieport 0000:00:1d.6: AER: [12] Timeout PCI INFO: ➜ sudo lspci -v 00:00.0 Host bridge: Intel Corporation 8th Gen Core 4-core Processor Host Bridge/DRAM Registers [Coffee Lake H] (rev 07) DeviceName: Onboard - Other Subsystem: Dell 8th Gen Core 4-core Processor Host Bridge/DRAM Registers [Coffee Lake H] Flags: bus master, fast devsel, latency 0 Capabilities: [e0] Vendor Specific Information: Len=10 Kernel driver in use: skl_uncore 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 07) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 122 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 00004000-00004fff [size=4K] Memory behind bridge: a3000000-a40fffff [size=17M] Prefetchable memory behind bridge: 0000000090000000-00000000a1ffffff [size=288M] Capabilities: [88] Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) Capabilities: [80] Power Management version 3 Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [a0] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Capabilities: [140] Root Complex Link Capabilities: [d94] Secondary PCI Express Kernel driver in use: pcieport 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 (Mobile) (prog-if 00 [VGA controller]) DeviceName: Onboard - Video Subsystem: Dell UHD Graphics 630 (Mobile) Flags: bus master, fast devsel, latency 0, IRQ 130 Memory at a2000000 (64-bit, non-prefetchable) [size=16M] Memory at 80000000 (64-bit, prefetchable) [size=256M] I/O ports at 5000 [size=64] Expansion ROM at 000c0000 [virtual] [disabled] [size=128K] Capabilities: [40] Vendor Specific Information: Len=0c Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [100] Process Address Space ID (PASID) Capabilities: [200] Address Translation Service (ATS) Capabilities: [300] Page Request Interface (PRI) Kernel driver in use: i915 Kernel modules: i915 00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 07) DeviceName: Onboard - Other Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem Flags: fast devsel, IRQ 16 Memory at a4610000 (64-bit, non-prefetchable) [size=32K] Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 3 Capabilities: [e0] Vendor Specific Information: Len=0c Kernel driver in use: proc_thermal Kernel modules: processor_thermal_device 00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model DeviceName: Onboard - Other Subsystem: Dell Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model Flags: fast devsel, IRQ 255 Memory at a4628000 (64-bit, non-prefetchable) [disabled] [size=4K] Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit- Capabilities: [dc] Power Management version 2 Capabilities: [f0] PCI Advanced Features 00:12.0 Signal processing controller: Intel Corporation Cannon Lake PCH Thermal Controller (rev 10) DeviceName: Onboard - Other Subsystem: Dell Cannon Lake PCH Thermal Controller Flags: fast devsel, IRQ 16 Memory at a4627000 (64-bit, non-prefetchable) [size=4K] Capabilities: [50] Power Management version 3 Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit- Kernel driver in use: intel_pch_thermal Kernel modules: intel_pch_thermal 00:14.0 USB controller: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller (rev 10) (prog-if 30 [XHCI]) DeviceName: Onboard - Other Subsystem: Dell Cannon Lake PCH USB 3.1 xHCI Host Controller Flags: bus master, medium devsel, latency 0, IRQ 126 Memory at a4600000 (64-bit, non-prefetchable) [size=64K] Capabilities: [70] Power Management version 2 Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+ Capabilities: [90] Vendor Specific Information: Len=14 Kernel driver in use: xhci_hcd 00:14.2 RAM memory: Intel Corporation Cannon Lake PCH Shared SRAM (rev 10) DeviceName: Onboard - Other Subsystem: Dell Cannon Lake PCH Shared SRAM Flags: fast devsel Memory at a461e000 (64-bit, non-prefetchable) [disabled] [size=8K] Memory at a4626000 (64-bit, non-prefetchable) [disabled] [size=4K] Capabilities: [80] Power Management version 3 00:15.0 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #0 (rev 10) DeviceName: Onboard - Other Subsystem: Dell Cannon Lake PCH Serial IO I2C Controller Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at 7f800000 (64-bit, non-prefetchable) [size=4K] Capabilities: [80] Power Management version 3 Capabilities: [90] Vendor Specific Information: Len=14 Kernel driver in use: intel-lpss Kernel modules: intel_lpss_pci 00:15.1 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #1 (rev 10) DeviceName: Onboard - Other Subsystem: Dell Cannon Lake PCH Serial IO I2C Controller Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at 7f801000 (64-bit, non-prefetchable) [size=4K] Capabilities: [80] Power Management version 3 Capabilities: [90] Vendor Specific Information: Len=14 Kernel driver in use: intel-lpss Kernel modules: intel_lpss_pci 00:16.0 Communication controller: Intel Corporation Cannon Lake PCH HECI Controller (rev 10) DeviceName: Onboard - Other Subsystem: Dell Cannon Lake PCH HECI Controller Flags: bus master, fast devsel, latency 0, IRQ 139 Memory at a4623000 (64-bit, non-prefetchable) [size=4K] Capabilities: [50] Power Management version 3 Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [a4] Vendor Specific Information: Len=14 Kernel driver in use: mei_me Kernel modules: mei_me 00:17.0 SATA controller: Intel Corporation Cannon Lake Mobile PCH SATA AHCI Controller (rev 10) (prog-if 01 [AHCI 1.0]) DeviceName: Onboard - SATA Subsystem: Dell Cannon Lake Mobile PCH SATA AHCI Controller Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 127 Memory at a461c000 (32-bit, non-prefetchable) [size=8K] Memory at a4622000 (32-bit, non-prefetchable) [size=256] I/O ports at 5090 [size=8] I/O ports at 5080 [size=4] I/O ports at 5060 [size=32] Memory at a4621000 (32-bit, non-prefetchable) [size=2K] Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [70] Power Management version 3 Capabilities: [a8] SATA HBA v1.0 Kernel driver in use: ahci Kernel modules: ahci 00:1d.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #9 (rev f0) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 123 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: [disabled] Memory behind bridge: a4500000-a45fffff [size=1M] Prefetchable memory behind bridge: [disabled] Capabilities: [40] Express Root Port (Slot+), MSI 00 Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [90] Subsystem: Dell Cannon Lake PCH PCI Express Root Port Capabilities: [a0] Power Management version 3 Capabilities: [100] Advanced Error Reporting Capabilities: [140] Access Control Services Capabilities: [150] Precision Time Measurement Capabilities: [200] L1 PM Substates Capabilities: [220] Secondary PCI Express Capabilities: [250] Downstream Port Containment Kernel driver in use: pcieport 00:1d.5 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #14 (rev f0) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 124 Bus: primary=00, secondary=03, subordinate=03, sec-latency=0 I/O behind bridge: 00003000-00003fff [size=4K] Memory behind bridge: a4400000-a44fffff [size=1M] Prefetchable memory behind bridge: [disabled] Capabilities: [40] Express Root Port (Slot+), MSI 00 Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [90] Subsystem: Dell Cannon Lake PCH PCI Express Root Port Capabilities: [a0] Power Management version 3 Capabilities: [100] Advanced Error Reporting Capabilities: [140] Access Control Services Capabilities: [150] Precision Time Measurement Capabilities: [200] L1 PM Substates Capabilities: [220] Secondary PCI Express Capabilities: [250] Downstream Port Containment Kernel driver in use: pcieport 00:1d.6 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #15 (rev f0) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 125 Bus: primary=00, secondary=04, subordinate=04, sec-latency=0 I/O behind bridge: [disabled] Memory behind bridge: a4200000-a43fffff [size=2M] Prefetchable memory behind bridge: [disabled] Capabilities: [40] Express Root Port (Slot+), MSI 00 Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [90] Subsystem: Dell Cannon Lake PCH PCI Express Root Port Capabilities: [a0] Power Management version 3 Capabilities: [100] Advanced Error Reporting Capabilities: [140] Access Control Services Capabilities: [150] Precision Time Measurement Capabilities: [200] L1 PM Substates Capabilities: [220] Secondary PCI Express Capabilities: [250] Downstream Port Containment Kernel driver in use: pcieport 00:1f.0 ISA bridge: Intel Corporation HM470 Chipset LPC/eSPI Controller (rev 10) DeviceName: Onboard - Other Subsystem: Dell Device 086f Flags: bus master, fast devsel, latency 0 00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10) DeviceName: Onboard - Sound Subsystem: Dell Cannon Lake PCH cAVS Flags: bus master, fast devsel, latency 32, IRQ 141 Memory at a4618000 (64-bit, non-prefetchable) [size=16K] Memory at a4100000 (64-bit, non-prefetchable) [size=1M] Capabilities: [50] Power Management version 3 Capabilities: [80] Vendor Specific Information: Len=14 Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+ Kernel driver in use: snd_hda_intel Kernel modules: snd_hda_intel, snd_sof_pci 00:1f.4 SMBus: Intel Corporation Cannon Lake PCH SMBus Controller (rev 10) DeviceName: Onboard - Other Subsystem: Dell Cannon Lake PCH SMBus Controller Flags: medium devsel, IRQ 16 Memory at a4620000 (64-bit, non-prefetchable) [size=256] I/O ports at efa0 [size=32] Kernel driver in use: i801_smbus Kernel modules: i2c_i801 00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller (rev 10) DeviceName: Onboard - Other Subsystem: Dell Cannon Lake PCH SPI Controller Flags: fast devsel Memory at fe010000 (32-bit, non-prefetchable) [size=4K] 01:00.0 3D controller: NVIDIA Corporation GP107M [GeForce GTX 1050 Mobile] (rev a1) Subsystem: Dell GP107M [GeForce GTX 1050 Mobile] Flags: bus master, fast devsel, latency 0, IRQ 142 Memory at a3000000 (32-bit, non-prefetchable) [size=16M] Memory at 90000000 (64-bit, prefetchable) [size=256M] Memory at a0000000 (64-bit, prefetchable) [size=32M] I/O ports at 4000 [size=128] Expansion ROM at a4000000 [virtual] [disabled] [size=512K] Capabilities: [60] Power Management version 3 Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [78] Express Endpoint, MSI 00 Capabilities: [100] Virtual Channel Capabilities: [250] Latency Tolerance Reporting Capabilities: [258] L1 PM Substates Capabilities: [128] Power Budgeting Capabilities: [420] Advanced Error Reporting Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 Capabilities: [900] Secondary PCI Express Kernel driver in use: nvidia Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia 01:00.1 Audio device: NVIDIA Corporation GP107GL High Definition Audio Controller (rev a1) Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at a4080000 (32-bit, non-prefetchable) [size=16K] Capabilities: [60] Power Management version 3 Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+ Capabilities: [78] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Kernel driver in use: snd_hda_intel Kernel modules: snd_hda_intel 02:00.0 Non-Volatile memory controller: Intel Corporation SSD 660P Series (rev 03) (prog-if 02 [NVM Express]) Subsystem: Intel Corporation SSD 660P Series Flags: bus master, fast devsel, latency 0, IRQ 16, NUMA node 0 Memory at a4500000 (64-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable- Count=1/8 Maskable+ 64bit+ Capabilities: [70] Express Endpoint, MSI 00 Capabilities: [b0] MSI-X: Enable+ Count=16 Masked- Capabilities: [100] Advanced Error Reporting Capabilities: [158] Secondary PCI Express Capabilities: [178] Latency Tolerance Reporting Capabilities: [180] L1 PM Substates Kernel driver in use: nvme Kernel modules: nvme 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15) Subsystem: Dell RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller Flags: bus master, fast devsel, latency 0, IRQ 17 I/O ports at 3000 [size=256] Memory at a4404000 (64-bit, non-prefetchable) [size=4K] Memory at a4400000 (64-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+ Capabilities: [70] Express Endpoint, MSI 01 Capabilities: [b0] MSI-X: Enable+ Count=4 Masked- Capabilities: [100] Advanced Error Reporting Capabilities: [140] Virtual Channel Capabilities: [160] Device Serial Number 01-00-00-00-68-4c-e0-00 Capabilities: [170] Latency Tolerance Reporting Capabilities: [178] L1 PM Substates Kernel driver in use: r8169 Kernel modules: r8169 04:00.0 Network controller: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter (rev 31) Subsystem: Dell QCA9377 802.11ac Wireless Network Adapter Flags: bus master, fast devsel, latency 0, IRQ 140 Memory at a4200000 (64-bit, non-prefetchable) [size=2M] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable+ Count=1/8 Maskable+ 64bit- Capabilities: [70] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [148] Virtual Channel Capabilities: [168] Device Serial Number 00-00-00-00-00-00-00-00 Capabilities: [178] Latency Tolerance Reporting Capabilities: [180] L1 PM Substates Kernel driver in use: ath10k_pci Kernel modules: ath10k_pci