Comment 28 for bug 1293569

same issue, my AP:

ASUS, RT-N12HP

use 802.11g/n mode, 2.4G channels
2014/5/7 上午1:55 於 "Barry" <email address hidden> 寫道：

> Hi Emmanuel.
>
> Original submitter here:
>
> Unfortunately I haven't had time to try to capture packets during
> failure, but I'm open to doing that (hopefully today or tomorrow).
>
> Here are the details for my AP:
>
> Overview: This is one of the standard ATT Uverse Modems. No
> specific config changes (besides password), otherwise stock standard.
> Manufacturer: Pace Plc
> Model: 3800HGV-B
> Software Version: 6.9.1.42-plus.tm
> Wireless Mode: 802.11b/g
> Auth Type: WPA-PSK (TKIP) and WPA2-PSK (AES)
> DTIM Period: 1
> Rate: 54Mbps
>
> Others in thread who are affected, please post an overview of your AP so
> that a profile can be built.
>
> Regards,
> Barry
>
> On May 6, 2014, at 12:00 PM, Emmanuel Grumbach <email address hidden>
> wrote:
>
> > Daniel, if you don't have issues, this is not very useful...
> >
> > --
> > You received this bug notification because you are subscribed to the bug
> > report.
> > https://bugs.launchpad.net/bugs/1293569
> >
> > Title:
> > iwlwifi-7260-8.ucode causes network disconnections problems
> >
> > Status in “linux-firmware” package in Ubuntu:
> > Confirmed
> > Status in “linux-firmware” source package in Precise:
> > Fix Committed
> > Status in “linux-firmware” source package in Trusty:
> > Fix Committed
> >
> > Bug description:
> > Running 14.04 (beta) with Kernel 3.13.0-17-generic
> >
> > I've encountered a strange and reproducible error with the
> > iwlwifi-7260-8.ucode firmware.
> >
> > This laptop is a Dell XPS 12 (haswell). With the -8 firmware, it will
> > connect fine to wifi for 30 or 40 mins at a time, then will start
> > dropping connections repeatedly. Even modprobe -r unloading and
> > reloading doesn't fix the issue, only a reboot will temporarily solve
> > it for 40 mins at a time.
> >
> > Moreover, here is what's strange, is during these episodes of
> > disconnection it seems to affect the actual router (2Wire), as the
> > other devices in the house will also start to have issues (very slow
> > connections, limited range,etc). Once I reboot this laptop everything
> > and all devices will return to normal.
> >
> > This issue has been fixed by me manually removing the -8 firware from
> > /lib/firmware and letting the -7 firmware load instead. Since that has
> > been done there has not been a single issue of this happening (now
> > going on 4 days).
> >
> > let me know if there is any other information you would like me to
> > provide.
> >
> > ProblemType: Bug
> > DistroRelease: Ubuntu 14.04
> > Package: linux-firmware 1.126
> > ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
> > Uname: Linux 3.13.0-17-generic x86_64
> > ApportVersion: 2.13.3-0ubuntu1
> > Architecture: amd64
> > CurrentDesktop: Unity
> > Date: Mon Mar 17 08:13:25 2014
> > Dependencies:
> >
> > EcryptfsInUse: Yes
> > InstallationDate: Installed on 2014-03-07 (9 days ago)
> > InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64
> (20140307)
> > PackageArchitecture: all
> > 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/1293569/+subscriptions
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1293569
>
> Title:
> iwlwifi-7260-8.ucode causes network disconnections problems
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1293569/+subscriptions
>