Long time user of Mint but in need of some support I cannot wrap my head around.
I rebooted my PC this morning after upgrading to the 4.15.0-76 kernel and afterwards my wired connection drops just the outbound/internet portion of my connection. This happens anywhere from 30 seconds to 10 minutes. Rebooting makes it for this time and additionally toggling the Ethernet adapter makes it start working again temporarily. I tried rebooting into the old 4.15.0-74 Kernel but it continued to act the same way. I went ahead and jumped to the 22.214.171.124 Kernel however issues persist. I then went ahead and upgraded to Mint 19.3 thinking that might help but no luck. Still the same.
For grins, I went ahead and replaced the cabling with another device which hasn't had issues to no avail. I've rebooted the networking equipment as well (HP Management switch and router). Same issue.
I'm fairly certain its not hardware because as mentioned, my internal networking still works fine. I use Synergy to share the keyboard/mouse from this unit to my work laptop right next to it (on another wire) and that never stops working at all. Again, just the outbound connection to the internet.
Here's the specs:
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System: Host: d01 Kernel: 5.3.0-28-generic x86_64 bits: 64 compiler: gcc v: 7.4.0 Desktop: Cinnamon 4.4.8 Distro: Linux Mint 19.3 Tricia base: Ubuntu 18.04 bionic Machine: Type: Desktop System: Shuttle product: SH67H v: V1.0 serial: <filter> Mobo: Shuttle model: FH67H v: 1.0 serial: <filter> BIOS: American Megatrends v: 2.04 date: 04/10/2013 Battery: Device-1: hidpp_battery_0 model: Logitech M705 charge: 70% status: Discharging CPU: Topology: Quad Core model: Intel Core i5-3570K bits: 64 type: MCP arch: Ivy Bridge rev: 9 L2 cache: 6144 KiB flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 27138 Speed: 1602 MHz min/max: 1600/3800 MHz Core speeds (MHz): 1: 1596 2: 1597 3: 1597 4: 1597 Graphics: Device-1: Intel Xeon E3-1200 v2/3rd Gen Core processor Graphics vendor: Holco Enterprise Co /Shuttle driver: i915 v: kernel bus ID: 00:02.0 Display: x11 server: X.Org 1.19.6 driver: intel resolution: 1920x1080~60Hz OpenGL: renderer: Mesa DRI Intel Ivybridge Desktop v: 4.2 Mesa 19.2.1 direct render: Yes Audio: Device-1: Intel 6 Series/C200 Series Family High Definition Audio vendor: Holco Enterprise Co /Shuttle driver: snd_hda_intel v: kernel bus ID: 00:1b.0 Sound Server: ALSA v: k5.3.0-28-generic Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Holco Enterprise Co /Shuttle driver: r8169 v: kernel port: e000 bus ID: 05:00.0 IF: enp5s0 state: up speed: 1000 Mbps duplex: full mac: <filter> Drives: Local Storage: total: 1.39 TiB used: 397.24 GiB (27.8%) ID-1: /dev/sda vendor: Western Digital model: WD1002FAEX-00Z3A0 size: 931.51 GiB ID-2: /dev/sdb vendor: Samsung model: SSD 840 EVO 250GB size: 232.89 GiB ID-3: /dev/sdc type: USB vendor: Western Digital model: WD2500BMVV-11A1PS0 size: 232.86 GiB ID-4: /dev/sdd type: USB vendor: Transcend model: TS-RDF5 SD Transcend size: 29.18 GiB Partition: ID-1: / size: 220.82 GiB used: 154.68 GiB (70.0%) fs: ext4 dev: /dev/dm-0 ID-2: /boot size: 471.6 MiB used: 233.8 MiB (49.6%) fs: ext2 dev: /dev/sdb1 ID-3: swap-1 size: 7.90 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/dm-1 Sensors: System Temperatures: cpu: 34.0 C mobo: N/A Fan Speeds (RPM): N/A Info: Processes: 239 Uptime: 2h 32m Memory: 7.68 GiB used: 2.22 GiB (28.9%) Init: systemd runlevel: 5 Compilers: gcc: 7.4.0 clang: 6.0.0-1ubuntu2 Shell: bash v: 4.4.20 inxi: 3.0.32
Looking for any ideas here before I nuke the install and reinstall the system.