Public bug reported:
Laptop is a Lenovo ThinkPad w530.
Wireless PCI card:
csmith@csmith-w530:~$ lspci
...
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor
Peak] (rev 34)
Downgrading to linux-firmware v1.79 appears to fix the problem, so I suspect
the problem was introduced with v1.79.7, as I was previously at v1.79.6 with no
problems (note I can't find v1.79.6 anymore.)
Symptoms include:
- Frequent wifi drops (mulitple times per minute).
- Large ping times from other machines (up to >1000ms observed, ~1.3 ms the
expected norm).
- Dropped ping requests.
- Kernel messages as follows:
[ 8599.406488] iwlwifi 0000:03:00.0: fail to flush all tx fifo queues
I find via google frequent references to the above kernel message with
this device on other distros, so I don't think this is isolated to
anything ubuntu or thinkpad specific.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-firmware 1.79.7
ProcVersionSignature: Ubuntu 3.8.0-31.46~precise1-generic 3.8.13.8
Uname: Linux 3.8.0-31-generic x86_64
NonfreeKernelModules: zfs zcommon znvpair zavl zunicode
ApportVersion: 2.0.1-0ubuntu17.5
Architecture: amd64
Date: Mon Oct 21 15:13:20 2013
Dependencies:
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64
(20130213)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: linux-firmware
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise running-unity
** Attachment added: "lshw output"
https://bugs.launchpad.net/bugs/1242724/+attachment/3886260/+files/lshw.out
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-firmware in Ubuntu.
https://bugs.launchpad.net/bugs/1242724
Title:
Latest intel wifi firmware results in unstable wifi connection
Status in “linux-firmware” package in Ubuntu:
New
Bug description:
Laptop is a Lenovo ThinkPad w530.
Wireless PCI card:
csmith@csmith-w530:~$ lspci
...
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205
[Taylor Peak] (rev 34)
Downgrading to linux-firmware v1.79 appears to fix the problem, so I suspect
the problem was introduced with v1.79.7, as I was previously at v1.79.6 with no
problems (note I can't find v1.79.6 anymore.)
Symptoms include:
- Frequent wifi drops (mulitple times per minute).
- Large ping times from other machines (up to >1000ms observed, ~1.3 ms the
expected norm).
- Dropped ping requests.
- Kernel messages as follows:
[ 8599.406488] iwlwifi 0000:03:00.0: fail to flush all tx fifo queues
I find via google frequent references to the above kernel message with
this device on other distros, so I don't think this is isolated to
anything ubuntu or thinkpad specific.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-firmware 1.79.7
ProcVersionSignature: Ubuntu 3.8.0-31.46~precise1-generic 3.8.13.8
Uname: Linux 3.8.0-31-generic x86_64
NonfreeKernelModules: zfs zcommon znvpair zavl zunicode
ApportVersion: 2.0.1-0ubuntu17.5
Architecture: amd64
Date: Mon Oct 21 15:13:20 2013
Dependencies:
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64
(20130213)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: linux-firmware
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1242724/+subscriptions
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