kernel-packages team mailing list archive

[dann frazier <dann.frazier@xxxxxxxxxxxxx>]

On Sun, Nov 8, 2015 at 7:57 PM, Iyappan Subramanian
<1433290@xxxxxxxxxxxxxxxxxx> wrote:
> Fix posted and applied on the net tree.  Can you please try the patch ?
> http://www.spinics.net/lists/netdev/msg351594.html

I backported this to wily's 4.2 kernel, and verified that it does
resolve the issue.

  -dann


** Description changed:

- I hooked a mustang board up to a 100Mbit switch, and it fails to
- communicate. I've tried a couple switches, one a pretty common WRT54GL
- running Tomato firmware. The system fails to DHCP or ping if manually
- configured. I've verified the port/cable are ok with other devices.
+ [Impact]
+ The onboard NICs on APM Mustang boards don't work when connected to a 100MBit switch.
+ 
+ [Test Case]
+ 1) Connect onboard NIC of a Mustang to a 100Mbit switch. I reproduced with both a Linksys WRT54GL and an old unmanaged Netgear switch.
+ 2) Try to use it (e.g. dhclient)
+ 
+ [Regression Risk]
+ The fix is restricted to the xgene_enet driver, which limits the regression exposure to APM X-Gene systems.

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https://bugs.launchpad.net/bugs/1433290

Title:
  xgene-enet: doesn't work at 100Mbit

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  [Impact]
  The onboard NICs on APM Mustang boards don't work when connected to a 100MBit switch.

  [Test Case]
  1) Connect onboard NIC of a Mustang to a 100Mbit switch. I reproduced with both a Linksys WRT54GL and an old unmanaged Netgear switch.
  2) Try to use it (e.g. dhclient)

  [Regression Risk]
  The fix is restricted to the xgene_enet driver, which limits the regression exposure to APM X-Gene systems.

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