Hi,

No luck... I can see the ifdown in the logs, but followed by the system
boot. I left 10 seconds between ifdown and ifup to get clear time stamps. No
ifup in the logs...

And I've had the issue on ifdown as well. So it's the state change in both
directions that triggers it.

To do further testing I am going to clone my root fs to a new partition
first and boot from there. These are really ugly freezes (completely dead in
a millisec) and I already had soms fs errors on my /home during last
boot...

Not that it would be a disaster since this is backed up nicely but
nevertheless... So further testing is due for tomorrow (Brussels timezone).


Rgds
Sam


On Mon, Jun 27, 2011 at 5:35 PM, Seth Forshee <seth.fors...@canonical.com>wrote:

> @Sam, you can look in /var/log/syslog and /var/log/kern.log. You may
> find something there, but if it's really locked hard then there probably
> won't be anything useful logged there. It's worth checking though.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/787210
>
> Title:
>  ath9k drivers freeze the system when changing state
>
> Status in “linux” package in Ubuntu:
>  Incomplete
>
> Bug description:
>  Binary package hint: linux-image-generic
>
>  The ath9k driver freezes the laptop when the adapter changes state.
>  Reproduceable by enabling/disabling wireless adapter using the network
>  manager applet, or by suspending the system. The issue exists at least
>  in 10.10 as well, but never had issues running 10.04. Since applicable
>  in several kernel versions, reported this against linux-image-generic.
>  It's 32 bit stock kernel, latest updates, Natty 11.04 i386.
>
>  On 10.10 the system got freezes randomly just while browsing, which
>  was even worse. Used compat-wireless which made it much better but not
>  perfect (only freezes on state changes as mentioned above).
>
>  I am 100% sure it is triggered by the wireless driver: issuing "rmmod
>  ath9k ath9k_common ath9k_hw ath" prior to suspending the laptop,
>  followed by "modprobe ath9k" after resume, makes the freeze disappear.
>  I actually added a script in /etc/pm.d/sleep.d issuing these commands
>  and now laptop works normal.
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 11.04
>  Package: linux-image-generic 2.6.38.8.22
>  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
>  Uname: Linux 2.6.38-8-generic i686
>  NonfreeKernelModules: nvidia
>  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
>  Architecture: i386
>  ArecordDevices:
>   **** List of CAPTURE Hardware Devices ****
>   card 0: NVidia [HDA NVidia], device 0: STAC92xx Analog [STAC92xx Analog]
>     Subdevices: 1/1
>     Subdevice #0: subdevice #0
>  AudioDevicesInUse:
>   USER        PID ACCESS COMMAND
>   /dev/snd/controlC0:  sam        1773 F.... xfce4-volumed
>                        sam        1794 F.... pulseaudio
>  CRDA: Error: [Errno 2] No such file or directory
>  Card0.Amixer.info:
>   Card hw:0 'NVidia'/'HDA NVidia at 0x93100000 irq 23'
>     Mixer name : 'Nvidia MCP79/7A HDMI'
>     Components : 'HDA:111d7605,103c3651,00100402
> HDA:10de0007,10de0101,00100100'
>     Controls      : 18
>     Simple ctrls  : 10
>  Date: Mon May 23 22:55:40 2011
>  InstallationMedia: Xubuntu 11.04 "Natty Narwhal" - Release i386
> (20110426.1)
>  MachineType: Hewlett-Packard Compaq Mini 311-1100
>  ProcEnviron:
>   LANGUAGE=en_US:en
>   LANG=en_US.UTF-8
>   SHELL=/bin/bash
>  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic
> root=UUID=76ad9066-c058-4318-95ea-d214f8737341 ro quiet splash vt.handoff=7
>  RelatedPackageVersions:
>   linux-restricted-modules-2.6.38-8-generic N/A
>   linux-backports-modules-2.6.38-8-generic  N/A
>   linux-firmware                            1.52
>  SourcePackage: linux
>  UpgradeStatus: No upgrade log present (probably fresh install)
>  dmi.bios.date: 11/07/2009
>  dmi.bios.vendor: Hewlett-Packard
>  dmi.bios.version: F.12
>  dmi.board.asset.tag: Base Board Asset Tag
>  dmi.board.name: 3651
>  dmi.board.vendor: Hewlett-Packard
>  dmi.board.version: 49.18
>  dmi.chassis.type: 10
>  dmi.chassis.vendor: Hewlett-Packard
>  dmi.chassis.version: N/A
>  dmi.modalias:
> dmi:bvnHewlett-Packard:bvrF.12:bd11/07/2009:svnHewlett-Packard:pnCompaqMini311-1100:pvr048F110000201C00000320000:rvnHewlett-Packard:rn3651:rvr49.18:cvnHewlett-Packard:ct10:cvrN/A:
>  dmi.product.name: Compaq Mini 311-1100
>  dmi.product.version: 048F110000201C00000320000
>  dmi.sys.vendor: Hewlett-Packard
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/787210/+subscriptions
>

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https://bugs.launchpad.net/bugs/787210

Title:
  ath9k drivers freeze the system when changing state

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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/787210/+subscriptions

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