[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1036356
Title:
Network sometimes extremely slow - ping over 1000 ms
Status in “linux” package in Ubuntu:
Expired
Bug description:
Today network (connected via WLAN) feels very sluggish. A good
indication for that can be achived by a simple ping:
$ ping www.heise.de
PING www.heise.de (193.99.144.85) 56(84) bytes of data.
64 bytes from www.heise.de (193.99.144.85): icmp_req=1 ttl=249 time=56.5 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=2 ttl=249 time=56.4 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=3 ttl=249 time=4414 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=4 ttl=249 time=3442 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=5 ttl=249 time=2444 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=6 ttl=249 time=1450 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=7 ttl=249 time=5246 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=8 ttl=249 time=4256 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=9 ttl=249 time=3258 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=10 ttl=249 time=2261 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=11 ttl=249 time=4740 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=12 ttl=249 time=3756 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=13 ttl=249 time=2748 ms
64 bytes from www.heise.de (193.99.144.85): icmp_req=14 ttl=249 time=1744 ms
After reboot situation was better - but still showed apart from normal
ping (~ 50 ms) once in a while "bursts" of times over 1000 ms.
It's probably related to these messages I found in the log that are now
appearing:
iwlwifi 0000:0c:00.0: Queue 11 stuck for 2000 ms.
iwlwifi 0000:0c:00.0: Current read_ptr 151 write_ptr 159
iwlwifi 0000:0c:00.0: On demand firmware reload
ieee80211 phy0: Hardware restart was requested
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-29-generic 3.2.0-29.46
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
Uname: Linux 3.2.0-29-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu12
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: cm 2351 F.... pulseaudio
CRDA:
country DE:
(2400 - 2483 @ 40), (N/A, 20)
(5150 - 5250 @ 40), (N/A, 20), NO-OUTDOOR
(5250 - 5350 @ 40), (N/A, 20), NO-OUTDOOR, DFS
(5470 - 5725 @ 40), (N/A, 26), DFS
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf6ffc000 irq 50'
Mixer name : 'IDT 92HD81B1C5'
Components : 'HDA:111d76d5,102802ef,00100104'
Controls : 24
Simple ctrls : 12
Date: Mon Aug 13 21:30:12 2012
HibernationDevice: RESUME=UUID=a77e93c2-3488-4347-80ca-9a8987669d5b
InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MachineType: Dell Inc. Precision M6500
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcEnviron:
LANGUAGE=
TERM=xterm
PATH=(custom, user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic
root=UUID=11a4d9bf-46d1-48d9-b353-2404262ec219 ro quiet splash
enable_mtrr_cleanup mtrr_spare_reg_nr=1 hpet=disable vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-29-generic N/A
linux-backports-modules-3.2.0-29-generic N/A
linux-firmware 1.79
SourcePackage: linux
UpgradeStatus: Upgraded to precise on 2012-04-27 (107 days ago)
dmi.bios.date: 06/07/2010
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 0R1203
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA04:bd06/07/2010:svnDellInc.:pnPrecisionM6500:pvr:rvnDellInc.:rn0R1203:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Precision M6500
dmi.sys.vendor: Dell Inc.
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