kernel-packages team mailing list archive

[Alessandro Tiberti <alessandro@xxxxxxxxxx>]

added apport file

** Attachment added: "apport.linux-image-4.2.0-38-generic.zxumfbm6.apport"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1595233/+attachment/4688594/+files/apport.linux-image-4.2.0-38-generic.zxumfbm6.apport

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https://bugs.launchpad.net/bugs/1595233

Title:
  unable to enable jumbo frames on supported card

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  tech info in the attachment
  the broadcom 5761 supports jumbo frames as stated in the official user guide (page 5):
  https://www.broadcom.com/docs/support/ethernet_nic/Broadcom_NetLink-NetXtreme_DTM_15.4.pdf

  if I ty to set the MTU higher than 1500 I receive a "SIOCSIFMTU:
  Invalid argument" error.

  Also tried with an old 12.04 disti but same effect.

  I have the feeling I'm doing something wrong but really can't find so
  I came to the conclusion that must be a bug showing up for whatever
  reason.

  Hardware is a Dell Precision M4800 with latest BIOS version (A13)

  let me know if you need further information from what is already
  contained in the apport file.

  I've found some statements about the card not supporting jumbo frames
  but nothing official.

  thanks,
  Alessandro

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