ThunderX: TX failure unless checksum offload disabled
Bug #1736593 reported by
Scott Burns
This bug affects 2 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Undecided
|
dann frazier | ||
Artful |
Fix Released
|
Undecided
|
dann frazier |
Bug Description
[Impact]
Most attempts to use IPv6 on the ThunderX NIC will fail.
[Test Case]
Attempt an IPv6 TCP connection:
$ wget -6 'http://
The connection will time out.
[Regression Risk]
The fix is upstream, and is limited to the ThunderX nicvf driver.
[Workaround]
Disable TX checksum offload:
$ ethtool -K eth0 tx off
[More Details]
The issue first appears in Linux 4.12. A fix from Cavium has been merged upstream:
CVE References
Changed in linux (Ubuntu): | |
status: | Incomplete → In Progress |
assignee: | nobody → dann frazier (dannf) |
Changed in linux (Ubuntu Artful): | |
status: | New → Incomplete |
status: | Incomplete → In Progress |
assignee: | nobody → dann frazier (dannf) |
Changed in linux (Ubuntu): | |
status: | In Progress → Fix Committed |
summary: |
- ThunderX: IPv6 TX failure unless checksum offload disabled + ThunderX: TX failure unless checksum offload disabled |
Changed in linux (Ubuntu Artful): | |
status: | In Progress → Fix Committed |
tags: |
added: verification-done-artful removed: verification-needed-artful |
Changed in linux (Ubuntu): | |
status: | Fix Committed → Fix Released |
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This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1736593
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.