I also observed this issue on my laptop with 20.04.
I created a patched version in this PPA[1] and it seems the issue is resolved
with the patch mentioned in comment #5.
If anyone can confirm the patched version does help, I'll submit the patch for
SRU.
[1] https://launchpad.net/~robertliu/+arc
I installed the updated version on the platform which needs this patch.
After updating the packages, the platform can scan and connect to a WiFi
network correctly.
I also tried other amd64, armhf and arm64 platforms which don't require
the patch originally and their wifi device still work after up
** Description changed:
- When testing WCN3980 with 20.04 and UC20, WCN3980 is not able connect to
- an AP.
+ [ Impact ]
+ When testing Qualcomm qcs410 with WCN3980 with 20.04 and UC20, WCN3980 is not
able connect to an AP.
- I tried a different libnl3 from BSP and found that WCN3980 can work
this issue was discovered in an OEM project.
** Package changed: libnl3 (Ubuntu) => oem-priority
** Changed in: oem-priority
Assignee: (unassigned) => Robert Liu (robertliu)
** Also affects: libnl3 (Ubuntu)
Importance: Undecided
Status: New
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** Tags added: orignate-from-lp1998578
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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1998765
Title:
libnl3 3.4.0 doesn't work with WCN3980
Status in libnl3 package in Ubuntu:
New
I made a test build (debdiff attached) and tried it on the target
device. This version works correctly.
** Patch added: "libnl3_3.4.0-1ubuntu1.debdiff"
https://bugs.launchpad.net/ubuntu/+source/libnl3/+bug/1998765/+attachment/5634558/+files/libnl3_3.4.0-1ubuntu1.debdiff
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Public bug reported:
When testing WCN3980 with 20.04 and UC20, WCN3980 is not able connect to
an AP.
I tried a different libnl3 from BSP and found that WCN3980 can work
correctly. The version used in BSP is 3.5.0.
I bisected the commits from 3.4.0 to 3.5.0 and found this commit[1] is the root
c
[hide the comment #12, update the DEP-3 headers inside the patch]
Hi @Łukasz
the comments were addressed. and re-upload the debdiff.
Thanks.
** Patch added: "gobi-set-dell-modules-as-forbidden-devices.debdiff"
https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1735134/+attachment/50
Hi @Łukasz
the comments were addressed. and re-upload the debdiff.
Thanks.
** Patch added: "gobi-set-dell-modules-as-forbidden-devices.debdiff"
https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1735134/+attachment/5022490/+files/gobi-set-dell-modules-as-forbidden-devices.debdiff
--
Hi @Łukasz,
I tried to run the acc test manually, and it didn't show any error.
The environment I used is vagrant + xenial/amd64 image (not fully upgrade all
of the packages) + ppa mentioned in #18 + related packages/tools.
May I have your opinion what could be the differences?
I also did full-up
Hi @Łukasz,
I had tried to pull the modem-manager/libqmi/libmbim of artful, just modify
some version number of dependency packages, and built those packages
successfully. Sorry, I don't remember if I touched anything about
modemmanager-qt and if they work correctly with modemmanager-qt. The back
I have tried ModemManager 1.6 series mentioned in comment #18, and
Sierra MC7455, Sierra MC 7430 and Telit HE910D work fine with this
version. The signal strength issue (bug #1735134) is not observed with
this version.
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there is a bug #1725190 which is going to backport ModemManager 1.6
series to Xenial. Yesterday, I tested the proposed packages. It resolves
the issue as well. If the release is coming soon, then I think it's not
necessary to apply the fix. If not, could you please update the 1.4
series first?
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Current version, connected
output of mmcli -m 0
signal strength is 0
** Attachment added: "mmcli-info-connected-orig.txt"
https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1735134/+attachment/5016107/+files/mmcli-info-connected-orig.txt
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You received this bug notification because
debdiff to forbid the Dell Wireless DW5818/5819 modules
** Patch added: "gobi-set-dell-modules-as-forbidden-devices.debdiff"
https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1735134/+attachment/5016110/+files/gobi-set-dell-modules-as-forbidden-devices.debdiff
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You received this
Patched version
log of ModemManager
** Attachment added: "mm-patched.log"
https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1735134/+attachment/5016115/+files/mm-patched.log
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Patched version, connected
output of mmcli -m 0
Signal strength is not 0
** Attachment added: "mmcli-info-connected-patched.txt"
https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1735134/+attachment/5016113/+files/mmcli-info-connected-patched.txt
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Patched version, registered, but not connected
output of mmcli -m 0
** Attachment added: "mmcli-info-init-patched.txt"
https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1735134/+attachment/5016111/+files/mmcli-info-init-patched.txt
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You received this bug notification because you
Patch to forbid the Dell Wireless DW5818/5819 modules
** Patch added: "gobi-set-dell-modules-as-forbidden-devices.patch"
https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1735134/+attachment/5016109/+files/gobi-set-dell-modules-as-forbidden-devices.patch
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You received this bug no
Current version
log of ModemManager
** Attachment added: "mm-orig.log"
https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1735134/+attachment/5016108/+files/mm-orig.log
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Packages, which is subscribed to modemma
Current version, registered, but not connected
output of mmcli -m 0
** Attachment added: "mmcli-info-init-orig.txt"
https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1735134/+attachment/5016106/+files/mmcli-info-init-orig.txt
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Public bug reported:
Since linux-4.4.0-98, the kernel additionally load gcserial driver for
Dell Wireless DW5818/5819. The reason behind it is to support firmware
switching and upgrading. However, the change makes ModemManager to use
Gobi plugin for this two modules. With Gobi plugin, the modules
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