With Ubuntu 12.10 I'm using already Linux version 3.5.0-26-generic. I experience this issue since a few days. The Upgrade to 12.10 was in 10/12. I also tried the test Kernel 3.5.0-030500rc1.201211071629 which was marked as working in the Bug #1046800.
Ping shows such a behavior:
ping 192.168.178.1
PING 192.168.178.1 (192.168.178.1) 56(84) bytes of data.
64 bytes from 192.168.178.1: icmp_req=1 ttl=64 time=2.29 ms
64 bytes from 192.168.178.1: icmp_req=2 ttl=64 time=1.54 ms
64 bytes from 192.168.178.1: icmp_req=3 ttl=64 time=1.53 ms
64 bytes from 192.168.178.1: icmp_req=4 ttl=64 time=1.72 ms
64 bytes from 192.168.178.1: icmp_req=5 ttl=64 time=2.15 ms
64 bytes from 192.168.178.1: icmp_req=6 ttl=64 time=2.18 ms
64 bytes from 192.168.178.1: icmp_req=7 ttl=64 time=1.52 ms
64 bytes from 192.168.178.1: icmp_req=8 ttl=64 time=1999 ms
64 bytes from 192.168.178.1: icmp_req=9 ttl=64 time=991 ms
64 bytes from 192.168.178.1: icmp_req=10 ttl=64 time=2.66 ms
64 bytes from 192.168.178.1: icmp_req=11 ttl=64 time=28918 ms
64 bytes from 192.168.178.1: icmp_req=12 ttl=64 time=28013 ms
64 bytes from 192.168.178.1: icmp_req=13 ttl=64 time=27005 ms
64 bytes from 192.168.178.1: icmp_req=14 ttl=64 time=25997 ms
64 bytes from 192.168.178.1: icmp_req=15 ttl=64 time=24990 ms
64 bytes from 192.168.178.1: icmp_req=16 ttl=64 time=23982 ms
64 bytes from 192.168.178.1: icmp_req=17 ttl=64 time=22974 ms
64 bytes from 192.168.178.1: icmp_req=18 ttl=64 time=21966 ms
64 bytes from 192.168.178.1: icmp_req=19 ttl=64 time=20958 ms
64 bytes from 192.168.178.1: icmp_req=20 ttl=64 time=19950 ms
64 bytes from 192.168.178.1: icmp_req=21 ttl=64 time=18942 ms
64 bytes from 192.168.178.1: icmp_req=22 ttl=64 time=17934 ms
64 bytes from 192.168.178.1: icmp_req=23 ttl=64 time=16926 ms
64 bytes from 192.168.178.1: icmp_req=24 ttl=64 time=15918 ms
64 bytes from 192.168.178.1: icmp_req=25 ttl=64 time=14910 ms
64 bytes from 192.168.178.1: icmp_req=26 ttl=64 time=13902 ms
64 bytes from 192.168.178.1: icmp_req=27 ttl=64 time=12894 ms
64 bytes from 192.168.178.1: icmp_req=28 ttl=64 time=11886 ms
64 bytes from 192.168.178.1: icmp_req=29 ttl=64 time=10878 ms
64 bytes from 192.168.178.1: icmp_req=30 ttl=64 time=9870 ms
64 bytes from 192.168.178.1: icmp_req=31 ttl=64 time=8862 ms
64 bytes from 192.168.178.1: icmp_req=32 ttl=64 time=7854 ms
64 bytes from 192.168.178.1: icmp_req=33 ttl=64 time=6846 ms
64 bytes from 192.168.178.1: icmp_req=34 ttl=64 time=5838 ms
64 bytes from 192.168.178.1: icmp_req=35 ttl=64 time=4830 ms
64 bytes from 192.168.178.1: icmp_req=36 ttl=64 time=3822 ms
64 bytes from 192.168.178.1: icmp_req=37 ttl=64 time=2814 ms
64 bytes from 192.168.178.1: icmp_req=38 ttl=64 time=1806 ms
64 bytes from 192.168.178.1: icmp_req=39 ttl=64 time=798 ms
64 bytes from 192.168.178.1: icmp_req=40 ttl=64 time=1.51 ms
64 bytes from 192.168.178.1: icmp_req=41 ttl=64 time=1.90 m
Here my data:
iwconfig
wlan0 IEEE 802.11bgn ESSID:"SSID"
Mode:Managed Frequency:2.412 GHz Access Point: 00:24:FE:40:E3:2E
Bit Rate=150 Mb/s Tx-Power=14 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=53/70 Signal level=-57 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:2 Invalid misc:8 Missed beacon:0
lshw
*-network
Description: Kabellose Verbindung
Product: AR9285 Wireless Network Adapter (PCI-Express)
Vendor: Atheros Communications Inc.
Physical ID: 0
Bus-Information: pci@0000:03:00.0
Logical Name: wlan0
Version: 01
Serialnumber: 74:f0:6d:0d:ee:97
Breite: 64 bits
Takt: 33MHz
Fähigkeiten: pm msi pciexpress bus_master cap_list ethernet physical wireless
Configuration: broadcast=yes driver=ath9k driverversion=3.5.0-26-generic firmware=N/A ip=192.168.178.33 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
Ressourcen: irq:17 memory:d6000000-d600ffff
https://www.asus.com/Notebooks_Ultrabooks/U53Jc/#support_Download_29
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: linux-image-3.5.0-26-generic 3.5.0-26.42
ProcVersionSignature: Ubuntu 3.5.0-26.42-generic 3.5.7.6
Uname: Linux 3.5.0-26-generic i686
ApportVersion: 2.6.1-0ubuntu10
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: michael 2258 F.... pulseaudio
Date: Mon Apr 1 11:31:31 2013
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=609cc5d0-8f33-4455-b07c-32d4fc0ad32a
InstallationDate: Installed on 2012-12-29 (92 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MachineType: ASUSTeK Computer Inc. U53Jc
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB:
0 inteldrmfb
1 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-26-generic root=UUID=4aaa93e5-fd9f-4c4d-9c2f-294213ee97cb ro quiet splash acpi_osi=Linux vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.5.0-26-generic N/A
linux-backports-modules-3.5.0-26-generic N/A
linux-firmware 1.95
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/18/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: U53Jc.207
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: U53Jc
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrU53Jc.207:bd05/18/2010:svnASUSTeKComputerInc.:pnU53Jc:pvr1.0:rvnASUSTeKComputerInc.:rnU53Jc:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: U53Jc
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
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