You will want to contact Dell support on that one as it appears you are running a non- Ubuntu kernel version (it's probably Dell provided). You might simply need to upgrade.
On Thu, Mar 28, 2019, 3:40 PM Maxwell Ballenger <balleng...@gmail.com> wrote: > Thanks for the work you all have done tracking this down. I am > experiencing an issue with identical symptoms. I understand the problem > should be fixed with 4.15+, so I may be experiencing a different bug. If > anyone could help me determine that conclusively or point me in a > direction that might help me fix this one, I'd really appreciate it! > > Below I have reproduced the issue in the same way as above, with the > same workaround. > > Dell Precision 5530 > TB16 Dock > Ubuntu 18.04 > Kernel: 4.15.0-1034-oem > > $ sudo ethtool --offload enx3c2c30b2d39a rx on > $ for i in 1 2 3 4 5 6 7 8 9; do curl -s > http://old-releases.ubuntu.com/releases/17.04/ubuntu-17.04-server-amd64.img > -o $i.iso; md5sum $i.iso; done > 4672ce371fb3c1170a9e71bc4b2810b9 1.iso > 5cfcb270becce9962c0dc305dac943b9 2.iso > 4672ce371fb3c1170a9e71bc4b2810b9 3.iso > ba8ec5ef56501dbab731dcd0e627a334 4.iso > 7d5d892efa5899a99129d90167508434 5.iso > c0402e3a6a1179d77c3132e15af2b81f 6.iso > 4672ce371fb3c1170a9e71bc4b2810b9 7.iso > 4672ce371fb3c1170a9e71bc4b2810b9 8.iso > 4672ce371fb3c1170a9e71bc4b2810b9 9.iso > $ sudo ethtool --offload enx3c2c30b2d39a rx off > $ for i in 1 2 3 4 5 6 7 8 9; do curl -s > http://old-releases.ubuntu.com/releases/17.04/ubuntu-17.04-server-amd64.img > -o $i.iso; md5sum $i.iso; done > 4672ce371fb3c1170a9e71bc4b2810b9 1.iso > 4672ce371fb3c1170a9e71bc4b2810b9 2.iso > 4672ce371fb3c1170a9e71bc4b2810b9 3.iso > 4672ce371fb3c1170a9e71bc4b2810b9 4.iso > 4672ce371fb3c1170a9e71bc4b2810b9 5.iso > 4672ce371fb3c1170a9e71bc4b2810b9 6.iso > 4672ce371fb3c1170a9e71bc4b2810b9 7.iso > 4672ce371fb3c1170a9e71bc4b2810b9 8.iso > 4672ce371fb3c1170a9e71bc4b2810b9 9.iso > $ uname -r > 4.15.0-1034-oem > $ > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1729674 > > Title: > TB16 dock ethernet corrupts data with hw checksum silently failing > > Status in Dell Sputnik: > Triaged > Status in linux package in Ubuntu: > Fix Released > Status in linux source package in Xenial: > Fix Released > Status in linux source package in Artful: > Fix Released > Status in linux source package in Bionic: > Fix Released > Status in linux package in Fedora: > Confirmed > > Bug description: > It looks like TCP rx and tx checksum offloading is broken on the TB16 > dock's ethernet adapter. For example downloading a large file such as the > Ubuntu ISO, and then running an md5sum on it yields the incorrect md5sum. > This is because > rx-checksumming: on > tx-checksumming: on > and both set to on by default. > > Running sudo ethtool -K <TB16 eth device> tx off rx off, allows the > download to complete correctly. This is very bad since this can cause > very bad untrustworthy behavior. > > This was conducted using an Dell Precision 5520 on Ubuntu 16.04+linux- > generic-hwe-16.04-edge. > > Thank you > > To manage notifications about this bug go to: > https://bugs.launchpad.net/dell-sputnik/+bug/1729674/+subscriptions > > Launchpad-Notification-Type: bug > Launchpad-Bug: product=dell-sputnik; status=Triaged; importance=High; > assignee=None; > Launchpad-Bug: distribution=ubuntu; sourcepackage=linux; component=main; > milestone=ubuntu-18.04; status=Fix Released; importance=High; assignee= > kai.heng.f...@canonical.com; > Launchpad-Bug: distribution=ubuntu; distroseries=xenial; > sourcepackage=linux; component=main; status=Fix Released; > importance=Undecided; assignee=None; > Launchpad-Bug: distribution=ubuntu; distroseries=artful; > sourcepackage=linux; component=main; status=Fix Released; importance=High; > assignee=None; > Launchpad-Bug: distribution=ubuntu; distroseries=bionic; > sourcepackage=linux; component=main; milestone=ubuntu-18.04; status=Fix > Released; importance=High; assignee=kai.heng.f...@canonical.com; > Launchpad-Bug: distribution=fedora; sourcepackage=linux; component=None; > status=Confirmed; importance=Undecided; assignee=None; > Launchpad-Bug-Tags: indeed verification-done-artful > verification-done-xenial > Launchpad-Bug-Information-Type: Public > Launchpad-Bug-Private: no > Launchpad-Bug-Security-Vulnerability: no > Launchpad-Bug-Commenters: ballengerm benjamin-redhat-bugs chiluk > christian-redhat-bugs gerben-redhat-bugs janitor jarod-redhat-bugs > jeremy-redhat-bugs jiri-redhat-bugs kai-heng-redhat-bugs kaihengfeng katamo > luciano marianne-z mario-redhat-bugs martin-redhat-bugs pandasauce smb > superm1 ubuntu-kernel-bot > Launchpad-Bug-Reporter: Dave Chiluk (chiluk) > Launchpad-Bug-Modifier: Maxwell Ballenger (ballengerm) > Launchpad-Message-Rationale: Subscriber > Launchpad-Message-For: chiluk > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1729674 Title: TB16 dock ethernet corrupts data with hw checksum silently failing To manage notifications about this bug go to: https://bugs.launchpad.net/dell-sputnik/+bug/1729674/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs