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Message #05636
[Bug 1036356] Re: Network sometimes extremely slow - ping over 1000 ms
Chris, as per
http://www.dell.com/support/troubleshooting/us/en/19/Product/precision-m6500
an update is available for your BIOS (A10). If you update to this, does
it change anything?
If not, could you please both specify what happened, and provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
Thank you for your understanding.
** Tags added: bios-outdated-a10 needs-upstream-testing regression-
potential
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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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:
Incomplete
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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