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I've got a device with a Broadcom 57780 ethernet NIC. It uses the tg3.ko
driver module. The problem is that this NIC cannot connect at gigabit
(1000MBps) speed. In all cases connection works well at 100MBps.
Following are the tests I've completed:
- Cables tested with cable tester
- Cables tested to work at gigabit speed with Realtek and Intel gigabit NICs.
- All unmanaged switch ports tested at ggigabit speed with other NICs.
- Tried to connect with NetworkManager enabled and disabled.
- Tried both dhcp and static connections.
- Tried to renegotiate connection with `ethtool -r` both with TSO enabled and
disabled.
- Tried 3.2.0-23-generic 3.5.0-15-generic3.5.0-17-generic 3.6.0-999-generic
kernels from main, xorg-edgers and mainline repos.
- Used 'tg3_debug=1' kernel option in grub with the following output:
[ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.5.0-17-generic
root=UUID=eccabacd-efb2-45b4-b7a6-2f530d50afd3 ro rootflags=subvol=@
tg3_debug=1 i915_enable_rc6=7 i915_enable_fbc=1 lvds_downclock=1
[ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.5.0-17-generic
root=UUID=eccabacd-efb2-45b4-b7a6-2f530d50afd3 ro rootflags=subvol=@
tg3_debug=1 i915_enable_rc6=7 i915_enable_fbc=1 lvds_downclock=1
[ 5.963136] tg3.c:v3.123 (March 21, 2012)
[ 5.995781] tg3 mdio bus: probed
[ 6.005583] tg3 0000:01:00.0: >eth0: Tigon3 [partno(BCM57780) rev
57780001] (PCI Express) MAC address dc:0e:a1:ac:38:d5
[ 6.005687] tg3 0000:01:00.0: >eth0: attached PHY driver [Broadcom
BCM57780] (mii_bus:phy_addr=100:01)
[ 6.005790] tg3 0000:01:00.0: >eth0: RXcsums[1] LinkChgREG[0] MIirq[0]
ASF[0] TSOcap[1]
[ 6.005887] tg3 0000:01:00.0: >eth0: dma_rwctrl[76180000]
dma_mask[64-bit]
[ 294.987653] tg3 0000:01:00.0: >irq 44 for MSI/MSI-X
[ 295.893224] tg3 0000:01:00.0: >eth0: Link is down
[ 309.887879] tg3 0000:01:00.0: >eth0: Link is up at 100 Mbps, full duplex
[ 309.887886] tg3 0000:01:00.0: >eth0: Flow control is on for TX and on
for RX
Other distros' forums suggest loading broadcom.ko first; however, this
module is no present.
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu13
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lzane 2139 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd4400000 irq 43'
Mixer name : 'Realtek ALC272X'
Components : 'HDA:10ec0272,10250601,00100001'
Controls : 22
Simple ctrls : 11
DistroRelease: Ubuntu 12.04
HibernationDevice: RESUME=UUID=e3645816-84f7-43fe-91a8-28638a230826
InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120424)
Lsusb:
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 04f2:b209 Chicony Electronics Co., Ltd
MachineType: Acer Aspire 5733
Package: linux (not installed)
ProcEnviron:
LANGUAGE=
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-17-generic
root=UUID=eccabacd-efb2-45b4-b7a6-2f530d50afd3 ro rootflags=subvol=@
tg3_debug=1 i915_enable_rc6=7 i915_enable_fbc=1 lvds_downclock=1
ProcVersionSignature: Ubuntu 3.5.0-17.26-generic 3.5.5
RelatedPackageVersions:
linux-restricted-modules-3.5.0-17-generic N/A
linux-backports-modules-3.5.0-17-generic N/A
linux-firmware 1.94
Tags: precise
Uname: Linux 3.5.0-17-generic x86_64
UnreportableReason: This is not an official Ubuntu package. Please remove any
third party package and try again.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip kvm libvirtd lpadmin plugdev sambashare sudo
dmi.bios.date: 11/07/2011
dmi.bios.vendor: Acer
dmi.bios.version: V1.07
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Aspire 5733
dmi.board.vendor: Acer
dmi.board.version: V1.07
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.07
dmi.modalias:
dmi:bvnAcer:bvrV1.07:bd11/07/2011:svnAcer:pnAspire5733:pvrV1.07:rvnAcer:rnAspire5733:rvrV1.07:cvnAcer:ct10:cvrV1.07:
dmi.product.name: Aspire 5733
dmi.product.version: V1.07
dmi.sys.vendor: Acer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-collected bios-outdated-v1.10 kernel-bug-exists-upstream precise
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Broadcom BCM57780 Cannot Connect at Gigabit Speed using tg3 module.
https://bugs.launchpad.net/bugs/1063038
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