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Message #130280
[Bug 1401741] Re: rtl8188ee wireless driver high packet loss
The machine has been running on an external wifi card for a while, and
it's working fine. I've swapped out the RTL8188ee card for an Atheros
(mini pci) and this should let us see if it's really RTL8188ee to blame
or not (or a antenna, location issue).
I did complete a series of wireshark tests and determined packets are only lost on the receive side.
I did ping -i 0.05 -c 1000 -s 512 to and from the machine in question, (to a machine <1 foot away). Over 4 runs (2 from, 2 to), 2-9 packets were lost, ALL when going -> RTL8188ee. No packets were ever lost sending from RTL8188ee to other machine.
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https://bugs.launchpad.net/bugs/1401741
Title:
rtl8188ee wireless driver high packet loss
Status in linux package in Ubuntu:
Confirmed
Bug description:
This is a toshiba c55d laptop. I've seen this issue since trusty, very
bad packet loss,varrying in ping from 10%-45% to Verizon MI424WR-
GEN3I AP with WPA2 running in Compatibility Mode(802.11b/g/n). No
other devices on network have ever had this issue, in fact any loss of
ICMP packets almost never occurs on other devices from same location.
Already tried mainline (3.18.0) with no noticeable improvement.
I will be trying the Realtek (from their website) - didn't work, not for this kernel.
https://github.com/FreedomBen/rtl8188ce-linux-driver - didn't help.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-28-generic 3.16.0-28.37
ProcVersionSignature: Ubuntu 3.16.0-28.37-generic 3.16.7-ckt1
Uname: Linux 3.16.0-28-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: erica 2366 F.... pulseaudio
/dev/snd/controlC0: erica 2366 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Dec 11 22:01:36 2014
HibernationDevice: RESUME=UUID=47ff810c-172e-4cd8-b7b3-12f03d42cf70
InstallationDate: Installed on 2014-05-29 (196 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: TOSHIBA Satellite C55D-A
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-28-generic.efi.signed root=UUID=3c0c45ee-7e15-45e4-988c-339d83805035 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-28-generic N/A
linux-backports-modules-3.16.0-28-generic N/A
linux-firmware 1.138
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2014-10-02 (70 days ago)
dmi.bios.date: 12/25/2013
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: 1.70
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: MP
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: OEM Chassis Manufacturer
dmi.chassis.version: OEM Chassis Version
dmi.modalias: dmi:bvnInsydeCorp.:bvr1.70:bd12/25/2013:svnTOSHIBA:pnSatelliteC55D-A:pvrPSCFWU-04C031:rvnTOSHIBA:rnPortablePC:rvrMP:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
dmi.product.name: Satellite C55D-A
dmi.product.version: PSCFWU-04C031
dmi.sys.vendor: TOSHIBA
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