I don't think MAC passthrough should work for cross-vendor hardwares..
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Title:
Lenovo dock MAC Address pass through doesn't work in Ubuntu
To ma
Hello!
I have a Lenovo Thinkpad Thunderbolt 3 Dock Gen 2 connected to a Dell
Latitude 5400. I'm running a vanilla 5.8.16 kernel. MAC pass-through
does not work out of the box. I've narrowed the problem down to the
following:
Here is the part of the code from the vanilla kernel that does not work
OK, done: LP: #1862159
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Title:
Lenovo dock MAC Address pass through doesn't work in Ubuntu
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For a387 device:
https://lkml.org/lkml/2020/2/4/5
@Peder, please file a separate bug.
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Title:
Lenovo dock MAC Address pass through doesn't work
After booting into 5.3.0-26 on my Lenovo X390, it has started to loose
network connection when connected to the Thunderbolt 3 Gen 2 dock after
a while. No traffic goes through. Enabling wifi after it works fine,
but unselecting "Enable Networking" in network manager makes the whole
computer hang
Hi!
I guess the same tweaking is required for the Lenovo ThinkPad USB-C Dock
Gen2 (USB-C Dock Ethernet has VID 0x17ef, PID 0xa387).
Adding this to rtl8152_probe in r8152.c
if (le16_to_cpu(udev->descriptor.idVendor) == VENDOR_ID_LENOVO &&
((le16_to_cpu(udev->descriptor.idProdu
This bug was fixed in the package linux - 5.4.0-9.12
---
linux (5.4.0-9.12) focal; urgency=medium
* alsa/hda/realtek: the line-out jack doens't work on a dell AIO
(LP: #1855999)
- SAUCE: ALSA: hda/realtek - Line-out jack doesn't work on a Dell AIO
* scsi: hisi_sas: Check
This bug was fixed in the package linux - 4.15.0-74.84
---
linux (4.15.0-74.84) bionic; urgency=medium
* bionic/linux: 4.15.0-74.84 -proposed tracker (LP: #1856749)
* [Hyper-V] KVP daemon fails to start on first boot of disco VM (LP: #1820063)
- [Packaging] bind hv_kvp_daemon
This bug was fixed in the package linux - 5.0.0-38.41
---
linux (5.0.0-38.41) disco; urgency=medium
* disco/linux: 5.0.0-38.41 -proposed tracker (LP: #1854788)
* [Regression] Failed to boot disco kernel built from master-next (kernel
kernel NULL pointer dereference) (LP: #185
This bug was fixed in the package linux - 5.3.0-26.28
---
linux (5.3.0-26.28) eoan; urgency=medium
* eoan/linux: 5.3.0-26.28 -proposed tracker (LP: #1856807)
* nvidia-435 is in eoan, linux-restricted-modules only builds against 430,
ubiquity gives me the self-signed modules e
Also tested the eoan-proposed kernel (5.3.0-25) on a ThinkPad X1 Carbon
7th with Mac Pass Through Enabled in BIOS, this issue was fixed.
changed the tag 'verification-needed-eoan' to 'verification-done-eoan'.
** Tags removed: verification-needed-eoan
** Tags added: verification-done-eoan
--
You
Also tested the disco-proposed kernel (5.0.0-38) on a ThinkPad X1 Carbon
7th with Mac Pass Through Enabled in BIOS, this issue was fixed.
changed the tag 'verification-needed-disco' to 'verification-done-
disco'.
** Tags removed: verification-needed-disco
** Tags added: verification-done-disco
-
Tested the proposed Bionic kernel (4.15.0-73) on a ThinkPad X1 Carbon
7th with Mac Pass Through Enabled in BIOS, this issue was fixed.
changed the tag 'verification-needed-bionic' to 'verification-done-
bionic'.
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
eoan' to 'verification-done-eoan'. If the problem still exists, change
the tag 'verification
I am traveling and won't be able to connect to my docking station for a
while. Should be back in the office mid January and will report back
then if nobody else is able to confirm that the fix is working.
Thank you!
- B
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Bu
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verifica
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
disco' to 'verification-done-disco'. If the problem still exists, change
the tag 'verificati
** Changed in: linux (Ubuntu Bionic)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Disco)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Eoan)
Status: New => Fix Committed
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** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Importance
** Description changed:
- Similar to bug
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1579984 the MAC
- address pass through does not work with a Lenovo Thunderbolt 3
- Workstation Dock.
+ === SRU Justification ===
+ [Impact]
+ Lenovo dock doesn't support MAC passthrough.
+
+ [Fix]
+ Ad
** Changed in: linux (Ubuntu)
Assignee: Kai-Heng Feng (kaihengfeng) => (unassigned)
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Title:
Lenovo dock MAC Address pass through doesn't wor
https://lkml.org/lkml/2019/11/5/398
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https://bugs.launchpad.net/bugs/1827961
Title:
Lenovo dock MAC Address pass through doesn't work in Ubuntu
To manage notifications about this bug g
https://lkml.org/lkml/2019/10/25/392
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Title:
Lenovo dock MAC Address pass through doesn't work in Ubuntu
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dmesg attached.
** Attachment added: "dmesg.out"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1827961/+attachment/5298808/+files/dmesg.out
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I tested the above kernel on a ThinkPad X1 Carbon 7th with a Thunderbolt
Dock 2nd Gen.
Below it the result when inserting cable into local Ethernet:
u@u-ThinkPad-X1-Carbon-7th:~$ ip a
1: lo: mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
link/loopback 00:00:00:00:00:00 brd
Binary kernel package can be found here:
https://people.canonical.com/~khfeng/lp1827961-5.4/
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Title:
Lenovo dock MAC Address pass through doesn't
** Tags added: patch
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Title:
Lenovo dock MAC Address pass through doesn't work in Ubuntu
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Cleaned up patch to make it upstreamable. Only compiled tested.
** Patch added: "lenovo-dock-macpassthru.patch"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1827961/+attachment/5295180/+files/lenovo-dock-macpassthru.patch
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Are there any updates regarding this patch? Personally I am using Fedora
30 right now on my ThinkPad L380 Yoga and have the same problem with MAC
Passthrough. The Dock I am using is a Lenovo USB-C Dock (vid_17ef
pid_a359). I guess it uses the same RTL8153 chip as the thunderbolt
dock. I would appre
** Tags added: ubuntu-certified
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Title:
Lenovo dock MAC Address pass through doesn't work in Ubuntu
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There's a conversation between Lenovo and Canonical. I'll upstream the
patch once all details become clear.
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng)
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I can confirm that the new kernel indeed supports Dock MAC pass through.
Thanks much for your help!
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Title:
Lenovo dock MAC Address pass through
Please test this kernel:
https://people.canonical.com/~khfeng/lp1827961/
It should support Lenovo Dock Mac passthrough.
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Title:
Lenovo dock MAC
Installed and booted your kernel, dmesg attached.
The MAC address of the dock has not changed with the new kernel, still
using the dock's own MAC instead of the laptop's.
Thanks!
** Attachment added: "dmesg.tar.bz2"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1827961/+attachment/5
Please install and boot this kernel:
https://people.canonical.com/~khfeng/lp1827961/
And attach dmesg.
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Title:
Lenovo dock MAC Address pass thro
Here you go...
Please let me know if you need anything else.
I also talked to Lenovo about this as you suggested but the answer was
that they don't support Linux on that Laptop/Dock and that they can't be
of any help with this problem.
** Attachment added: "acpidump.tar.bz2"
https://bugs.lau
Looks like it's very alike Dell's Mac passthrough, can you provide
acpidump?
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Title:
Lenovo dock MAC Address pass through doesn't work in Ubuntu
Thank you for your reply and for looking into this issue. I will contact
Lenovo but I won't get my hopes up. Operating the dock w/o MAC
passthrough is luckily not a big deal for me.
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https
The usb ethernet chip in LP: #1579984 is r8153, while this Lenovo Dock
uses cdc_ether. In general this needs special driver support, where the
mechanism is opaque to us.
So please raise the issue to Lenovo.
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