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Thread: Ethernet connection continuously dropping on Ubuntu 20.04

  1. #1
    Join Date
    Jun 2020
    Beans
    1

    Ethernet connection continuously dropping on Ubuntu 20.04

    Hello! My internet connection is often very spotty and drops a lot especially during large downloads. The problem is intermittent and will go away for a little while after I restart the computer.

    I ran lspci and got:
    00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Root Complex
    00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) I/O Memory Management Unit
    00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Richland [Radeon HD 8470D]
    00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Trinity HDMI Audio Controller
    00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09)
    00:10.1 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09)
    00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 40)
    00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11)
    00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11)
    00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11)
    00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11)
    00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 16)
    00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 01)
    00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11)
    00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] FCH PCI Bridge (rev 40)
    00:14.5 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11)
    00:15.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Hudson PCI to PCI bridge (PCIE port 0)
    00:15.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Hudson PCI to PCI bridge (PCIE port 2)
    00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 0
    00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 1
    00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 2
    00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 3
    00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 4
    00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 5
    03:00.0 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme BCM5762 Gigabit Ethernet PCIe (rev 10)


    I ran sudo lshw -C network and got:

    *-network
    description: Ethernet interface
    product: NetXtreme BCM5762 Gigabit Ethernet PCIe
    vendor: Broadcom Inc. and subsidiaries
    physical id: 0
    bus info: pci@0000:03:00.0
    logical name: eno1
    version: 10
    serial: ec:b1:d7:43:2e:5c
    size: 1Gbit/s
    capacity: 1Gbit/s
    width: 64 bits
    clock: 33MHz
    capabilities: pm vpd msi msix pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
    configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.137 duplex=full firmware=5762-v1.29 ip=192.168.0.9 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
    resources: irq:18 memory:e0020000-e002ffff memory:e0010000-e001ffff memory:e0000000-e000ffff


    Any suggestions would be gratefully appreciated. Thanks!

  2. #2
    Join Date
    May 2007
    Beans
    202
    Distro
    Xubuntu

    Re: Ethernet connection continuously dropping on Ubuntu 20.04

    You could try static IP. It would at least rule out DHCP problems.
    Any follow-up information on your issue would be appreciated. Please have the courtesy to report back.

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