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shimitar
Guru
Joined: 23 Nov 2003
Posts: 320
Location: Italy, Torino
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 Posted: Sun Nov 06, 2022 5:56 pm Post subject: [SOLVED (kind of)] USB ethenret card randomly disconnecting |
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Hi all!
i have a Gentoo server at home, it has two ethernet cards and acts as bridge & dnsmasq & stuff.
It's a 5 years old laptop with two USB gigabit ethernet cards. One works just fine, the other sometimes disconnects with this in the dmesg:
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[362524.016500] usb 2-3: USB disconnect, device number 5
[362524.016797] xhci_hcd 0000:00:14.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.
[362524.323267] usb 2-3: new SuperSpeed USB device number 6 using xhci_hcd
[362524.340678] usb 2-3: New USB device found, idVendor=2357, idProduct=0601, bcdDevice=30.00
[362524.340698] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6
[362524.340707] usb 2-3: Product: USB 10/100/1000 LAN
[362524.340714] usb 2-3: Manufacturer: TP-LINK
[362524.340719] usb 2-3: SerialNumber: 000001000000
[362524.470510] usb 2-3: reset SuperSpeed USB device number 6 using xhci_hcd
[362524.490357] Loading firmware: rtl_nic/rtl8153a-3.fw
[362524.516698] r8152 2-3:1.0: load rtl8153a-3 v2 02/07/20 successfully
[362524.545479] r8152 2-3:1.0 eth0: v1.12.13
[362526.072410] r8152 2-3:1.0 enp0s20f0u3: renamed from eth0
[362526.172080] l2tp_core: L2TP core driver, V2.0
[362526.173611] l2tp_netlink: L2TP netlink interface
[362529.578146] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s20f0u3: link becomes ready
[362529.578428] r8152 2-3:1.0 enp0s20f0u3: carrier on
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The other one, the one working perfectly, it's a ax88179_178a.
To mitigate this issue i have setup a script to check for link availability and restart it, since it's matter of a few moments before it's again available.
I have replaced the card with another one with same chipset but i get still the same error.
Anybody has any ideas?
I have already set "intel_iommu=off" in grub, that solved a different but similar issue.
It's annoying... IT happens once a day or 5 times a week...
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Willy Gardiol
willy@gardiol.org
Last edited by shimitar on Thu Nov 10, 2022 6:50 am; edited 1 time in total |
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Mistwolf
Apprentice
Joined: 07 Mar 2007
Posts: 189
Location: Edmonton, AB
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mike155
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Joined: 17 Sep 2010
Posts: 4438
Location: Frankfurt, Germany
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| Posted: Sun Nov 06, 2022 7:34 pm Post subject: |
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| Turn off all power management and autosuspend modes on the ethernet adapter, the USB port and related devices. Use powertop, tab "Tunables". |
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shimitar
Guru
Joined: 23 Nov 2003
Posts: 320
Location: Italy, Torino
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| Posted: Sun Nov 06, 2022 8:24 pm Post subject: |
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.. how do i do that?
I see "tunables" i have some rows with "good" and some with "bad"...
i don't understand
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Willy Gardiol
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shimitar
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Joined: 23 Nov 2003
Posts: 320
Location: Italy, Torino
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| Posted: Thu Nov 10, 2022 6:51 am Post subject: |
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for future reference, it seems to be working.
Install powertop, go to "tunables" tab and set to "bad" anything related to USB. At least until this is fixed in kernel....
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Willy Gardiol
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