Jonas G. Drange, could you please test the latest upstream kernel
available from the very top line at the top of the page (the release
names are irrelevant for testing, and please do not test the daily
folder) following https://wiki.ubuntu.com/Kernel/MainlineBuilds ? It
will allow additional upstream developers to examine the issue.
If the test did not allow you to test to the issue (ex. you couldn't boot into
the OS) please make a comment in your report about this, and continue to test
the next most recent kernel version until you can test to the issue. Once
you've tested the upstream kernel, please comment on which kernel version
specifically you tested. If this bug is fixed in the mainline kernel, please
add the following tags by clicking on the yellow circle with a black pencil
icon, next to the word Tags, located at the bottom of the report description:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ
Where XY and Z are numbers corresponding to the kernel version.
If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ
Please note, an error to install the kernel does not fit the criteria of
kernel-bug-exists-upstream.
Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results.
Thank you for your understanding.
** Tags removed: bios-outdated-a10
** Tags added: latest-bios-a10
** Changed in: linux (Ubuntu)
Importance: Low => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1458839
Title:
Poor Wi-Fi connectivity when connecting USB dock
Status in linux package in Ubuntu:
Incomplete
Bug description:
Reproduce:
Insert USB dock (Kensington with usb sound card, ethernet card) cable into
any USB port
What happens:
Wi-Fi connectivity worsens and eventually disconnects.
Pinging an online target gives me
[1432638474.615293] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=11 ttl=54 time=1172 ms
[1432638474.636669] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=12 ttl=54 time=185 ms
[1432638475.496000] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=13 ttl=54 time=44.3 ms
[1432638477.638814] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=14 ttl=54 time=1185 ms
[1432638477.644744] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=15 ttl=54 time=192 ms
[1432638478.498248] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=16 ttl=54 time=44.4 ms
[1432638479.662460] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=17 ttl=54 time=207 ms
[1432638480.547434] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=18 ttl=54 time=90.9 ms
[1432638482.597835] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=19 ttl=54 time=1140 ms
[1432638482.601590] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=20 ttl=54 time=144 ms
[1432638484.648946] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=21 ttl=54 time=1191 ms
[1432638484.649794] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=22 ttl=54 time=193 ms
[1432638485.502967] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=23 ttl=54 time=45.1 ms
[1432638487.301295] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=24 ttl=54 time=842 ms
[1432638488.649794] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=25 ttl=54 time=1191 ms
[1432638488.662959] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=26 ttl=54 time=196 ms
[1432638489.514683] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=27 ttl=54 time=46.7 ms
[1432638491.653511] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=28 ttl=54 time=1183 ms
[1432638491.655011] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=29 ttl=54 time=176 ms
[1432638493.659119] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=30 ttl=54 time=1179 ms
[1432638493.664250] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=31 ttl=54 time=177 ms
[1432638494.534200] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=32 ttl=54 time=45.9 ms
…
Disconnecting the USB cable restores the connectivity:
[1432638514.584374] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=52 ttl=54 time=48.5 ms
[1432638515.577822] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=53 ttl=54 time=40.1 ms
[1432638516.579000] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=54 ttl=54 time=39.9 ms
[1432638517.580760] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=55 ttl=54 time=40.5 ms
[1432638518.583465] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=56 ttl=54 time=41.4 ms
[1432638519.583923] 64 bytes from fra07s30-in-f5.1e100.net (173.194.112.101):
icmp_seq=57 ttl=54 time=40.1 ms
…
What should have happened:
Connectivity should not be affected by a connected USB dock
Steps taken to debug:
* I've told NetworkManager not to manage the USB network card so that it
appears unmanaged. This makes no difference.
* I've tried older kernels, e.g. 3.14 with no luck
* It does not matter what is connected to the dock
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-18-generic 3.19.0-18.18
ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
Uname: Linux 3.19.0-18-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jonas 1514 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue May 26 13:08:44 2015
DistributionChannelDescriptor:
# This is a distribution channel descriptor
# For more information see
http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-precise-amd64-20120703-2
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=7b9cb658-95dd-4e13-a587-d6d0d59ae7e4
InstallationDate: Installed on 2013-08-27 (637 days ago)
InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary
20120703-15:08
MachineType: Dell Inc. Dell System XPS L322X
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-18-generic
root=UUID=221de9c1-f10a-4be4-9273-5c12864c8680 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.19.0-18-generic N/A
linux-backports-modules-3.19.0-18-generic N/A
linux-firmware 1.143.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/15/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A09
dmi.board.name: 0PJHXN
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnDellInc.:bvrA09:bd05/15/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0PJHXN:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System XPS L322X
dmi.sys.vendor: Dell Inc.
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