You have been subscribed to a public bug:
With the latest raring kernel image (linux-signed-image-3.8.0-18-generic) my
wireless connection becomes very slow after a few minutes (ping to my AP
increases from < 1ms to ~ 900ms).
Kernel 3.8.0.17.27 is still fine, other wireless devices continue to work fine
if the problem occurs.
HW is AR9485 (ath9k) 1x1 802.11n in Asus G75VX laptop, AP is Asus RT-AC66U.
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ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
CRDA: Error: [Errno 2] No such file or directory
DistroRelease: Ubuntu 13.04
EcryptfsInUse: Yes
HibernationDevice:
#RESUME=UUID=8c98d3e1-50af-4c74-820b-e3f29cefc50c
#RESUME=/dev/mapper/cryptswap1
InstallationDate: Installed on 2013-03-27 (17 days ago)
InstallationMedia: Ubuntu-Server 12.10 "Quantal Quetzal" - Release amd64
(20121017.2)
MachineType: ASUSTeK COMPUTER INC. G75VX
MarkForUpload: True
NonfreeKernelModules: nvidia zfs zunicode zavl zcommon znvpair
Package: linux (not installed)
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-17-generic.efi.signed
root=UUID=93525b3d-45ae-49d5-be79-e00da8ca123b ro bootchart=disable
ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
RelatedPackageVersions:
linux-restricted-modules-3.8.0-17-generic N/A
linux-backports-modules-3.8.0-17-generic N/A
linux-firmware 1.105
Tags: raring
Uname: Linux 3.8.0-17-generic x86_64
UpgradeStatus: Upgraded to raring on 2013-04-06 (8 days ago)
UserGroups: adm audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev
sambashare scanner tape vboxusers video
dmi.bios.date: 02/27/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: G75VX.206
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: G75VX
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrG75VX.206:bd02/27/2013:svnASUSTeKCOMPUTERINC.:pnG75VX:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnG75VX:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: G75VX
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-collected latest-bios-206 needs-bisect needs-upstream-testing
needs-wifi-debug raring regression-release third-party-packages
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168c:0032 [Asus G75VX] Slow wireless with AR9485 ath9k
https://bugs.launchpad.net/bugs/1168819
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