** Also affects: oem-priority
Importance: Undecided
Status: New
** Description changed:
Dell Precision 5520 (CID 201610-25144)
pre-installed (oem) image (16.04)
[Description]
When the wifi tries to connect SSID over b and g protocol, it is very
hard to build connection successfully. The reproducing rate is 9/10.
+
+ [Steps to Reproduce]
+
+ 1. Update the system to use the last stack.
+ 2. Reboot
+ 3. Connect the bg wifi by network-manager applet
+
+ [Expected Result]
+
+ The network-manager builds the connection.
+
+ [Actual Result]
+
+ The network-manger could not connect to the target SSID.
+
+
+
+
+
+
+ -------------------------------------------------------------
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-123-generic 4.4.0-123.147
ProcVersionSignature: Ubuntu 4.4.0-123.147-generic 4.4.128
Uname: Linux 4.4.0-123-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.17
Architecture: amd64
AudioDevicesInUse:
- USER PID ACCESS COMMAND
- /dev/snd/controlC0: ubuntu 1972 F.... pulseaudio
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: ubuntu 1972 F.... pulseaudio
Date: Fri May 4 19:16:50 2018
DistributionChannelDescriptor:
- # This is a distribution channel descriptor
- # For more information see
http://wiki.ubuntu.com/DistributionChannelDescriptor
- canonical-oem-somerville-xenial-amd64-20160624-2
+ # This is a distribution channel descriptor
+ # For more information see
http://wiki.ubuntu.com/DistributionChannelDescriptor
+ canonical-oem-somerville-xenial-amd64-20160624-2
HibernationDevice: RESUME=UUID=395dc72d-da55-4d11-8875-2240537ead7f
InstallationDate: Installed on 2018-05-04 (0 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary
20160624-10:47
MachineType: Dell Inc. Precision 5520
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-123-generic.efi.signed
root=UUID=f71a7ab1-fcc5-4873-839b-1b7955196b53 ro automatic-oem-config quiet
splash vt.handoff=7
RelatedPackageVersions:
- linux-restricted-modules-4.4.0-123-generic N/A
- linux-backports-modules-4.4.0-123-generic N/A
- linux-firmware 1.157.18
+ linux-restricted-modules-4.4.0-123-generic N/A
+ linux-backports-modules-4.4.0-123-generic N/A
+ linux-firmware 1.157.18
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/08/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.4
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.3.4:bd06/08/2017:svnDellInc.:pnPrecision5520:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct10:cvr:
dmi.product.name: Precision 5520
dmi.sys.vendor: Dell Inc.
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https://bugs.launchpad.net/bugs/1769120
Title:
[Dell Precision 5520] wifi is very unreliable to connect over b and g
protocol
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