Bug 1260820

Summary: r8169 Ethernet needs autoneg off
Product: [Fedora] Fedora Reporter: D. Wagner <daw-redhatbugzilla>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED EOL QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 21CC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda, mchehab
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Hardware: Unspecified   
OS: Unspecified   
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Fixed In Version: Doc Type: Bug Fix
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Clone Of: Environment:
Last Closed: 2015-12-02 15:16:13 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description D. Wagner 2015-09-08 00:42:25 UTC
Description of problem:

When I boot, I have no Ethernet network: the Ethernet card reports it is in a link down state.  I'm using a r8169 Ethernet card.  To get my Ethernet card to establish a link, I have to manually disable autonegotiation:

# cat /etc/rc.d/rc.local 
#!/bin/sh
ethtool -s p2p1 autoneg off

As soon as I disable autonegotiation, it connects immediately.  This is 100% reproducible.  I don't have to do anything special; it's this way immediately after boot.


Version-Release number of selected component (if applicable):

kernel-4.1.6-100.fc21.x86_64
kernel-core-4.1.6-100.fc21.x86_64

However it's been like this for a while (I just haven't gotten around to reporting it until now).

# lspci -vv
...
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06)
        Subsystem: Biostar Microtech Int'l Corp Device 230a
    ...
        Kernel driver in use: r8169
        Kernel modules: r8169

Some excerpts from /var/log/messages:

Sep  7 16:47:22 x kernel: r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
Sep  7 16:47:22 x kernel: r8169 0000:02:00.0 eth0: RTL8168evl/8111evl at 0xff
ffc90001b96000, b8:97:5a:13:83:b6, XID 0c900800 IRQ 28
Sep  7 16:47:22 x kernel: r8169 0000:02:00.0 eth0: jumbo features [frames: 92
00 bytes, tx checksumming: ko]
Sep  7 16:47:22 x kernel: r8169 0000:02:00.0 p2p1: renamed from eth0
...
Sep  7 16:47:24 x NetworkManager[700]: <info>  (p2p1): carrier is OFF
...
Sep  7 16:47:24 x kernel: [    3.281498] r8169 0000:02:00.0 p2p1: link down

Comment 1 Fedora End Of Life 2015-11-04 10:35:53 UTC
This message is a reminder that Fedora 21 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 21. It is Fedora's policy to close all
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Comment 2 Fedora End Of Life 2015-12-02 15:16:24 UTC
Fedora 21 changed to end-of-life (EOL) status on 2015-12-01. Fedora 21 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

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