Use of Logitech c100m webcam disables my wireless USB adapter

[lucazade]

maybe you missed my edit before:
try to power off powersaving for wlan and restart
sudo iwconfig wlan2 power off

where wlan2 is your wireless interface, in case check it with ifconfig

[elzindar3]

ok this the result after i had restarted the PC:

mohamad@mohamad-A780GM-A:~$ dmesg | grep ath
[   32.922490] usb 1-4: ath9k_htc: Transferred FW: htc_9271.fw, size: 51272
[   33.157840] ath9k_htc 1-4:1.0: ath9k_htc: HTC initialized with 33 credits
[   33.353698] ath9k_htc 1-4:1.0: ath9k_htc: FW Version: 1.3
[   33.353703] ath: EEPROM regdomain: 0x809c
[   33.353705] ath: EEPROM indicates we should expect a country code
[   33.353707] ath: doing EEPROM country->regdmn map search
[   33.353709] ath: country maps to regdmn code: 0x52
[   33.353711] ath: Country alpha2 being used: CN
[   33.353713] ath: Regpair used: 0x52
[   33.358879] Registered led device: ath9k_htc-phy0
[   33.358885] usb 1-4: ath9k_htc: USB layer initialized
[   33.358907] usbcore: registered new interface driver ath9k_htc
[   42.866458] type=1400 audit(1316528576.747:11): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/mission-control-5" pid=986 comm="apparmor_parser"
[   42.868927] type=1400 audit(1316528576.747:13): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/telepathy-*" pid=986 comm="apparmor_parser"

and also this command:

dmesg | tail -n25

mohamad@mohamad-A780GM-A:~$ dmesg | tail -n25
[   43.397245] Bluetooth: HCI socket layer initialized
[   43.397247] Bluetooth: L2CAP socket layer initialized
[   43.398169] Bluetooth: SCO socket layer initialized
[   43.401786] Bluetooth: RFCOMM TTY layer initialized
[   43.401793] Bluetooth: RFCOMM socket layer initialized
[   43.401795] Bluetooth: RFCOMM ver 1.11
[   43.420435] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   43.420440] Bluetooth: BNEP filters: protocol multicast
[   45.238684] EXT4-fs (sdb5): re-mounted. Opts: errors=remount-ro,commit=0
[   45.538588] init: plymouth-stop pre-start process (1406) terminated with status 1
[   46.650508] wlan0: authenticate with 5c:d9:98:b8:16:29 (try 1)
[   46.652649] wlan0: authenticated
[   46.806993] wlan0: associate with 5c:d9:98:b8:16:29 (try 1)
[   46.810089] wlan0: RX AssocResp from 5c:d9:98:b8:16:29 (capab=0x411 status=0 aid=1)
[   46.810094] wlan0: associated
[   46.818763] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   46.949769] EXT4-fs (sdb5): re-mounted. Opts: errors=remount-ro,commit=0
[   57.740021] wlan0: no IPv6 routers present
[  474.143581] exe (1945): /proc/1945/oom_adj is deprecated, please use /proc/1945/oom_score_adj instead.
[  662.660044] usb 1-5: new high speed USB device number 4 using ehci_hcd
[  663.444473] Linux video capture interface: v2.00
[  663.453112] uvcvideo: Found UVC 1.00 device <unnamed> (046d:0817)
[  663.493697] input: UVC Camera (046d:0817) as /devices/pci0000:00/0000:00:12.2/usb1/1-5/1-5:1.0/input/input12
[  663.493789] usbcore: registered new interface driver uvcvideo
[  663.493791] USB Video Class driver (v1.1.0)

[lucazade]

those warnings are no more present in your outputs.. well.. how it work?

[elzindar3]

Hold on... something weird happen after i do this command:

mohamad@mohamad-A780GM-A:~$ gstreamer-properties

(gstreamer-properties:2342): Gtk-WARNING **: Unknown property: GtkDialog.has-separator

(gstreamer-properties:2342): Gtk-WARNING **: Unknown property: GtkDialog.has-separator
gstreamer-properties-Message: Skipping unavailable plugin 'artsdsink'
gstreamer-properties-Message: Skipping unavailable plugin 'esdsink'
gstreamer-properties-Message: Skipping unavailable plugin 'sunaudiosink'
gstreamer-properties-Message: Skipping unavailable plugin 'glimagesink'
gstreamer-properties-Message: Skipping unavailable plugin 'sdlvideosink'
gstreamer-properties-Message: Skipping unavailable plugin 'v4lmjpegsrc'
gstreamer-properties-Message: Skipping unavailable plugin 'qcamsrc'
gstreamer-properties-Message: Skipping unavailable plugin 'v4lsrc'
gstreamer-properties-Message: Skipping unavailable plugin 'esdmon'
gstreamer-properties-Message: Skipping unavailable plugin 'sunaudiosrc'
gstreamer-properties-Message: Error running pipeline 'Video for Linux 2 (v4l2)': Cannot identify device '/dev/video0'. [v4l2_calls.c(493): gst_v4l2_open (): /GstPipeline:pipeline1/GstV4l2Src:v4l2src1:
system error: No such file or directory]

My wireless and network had been disabled after i done that and here the checking commands:

mohamad@mohamad-A780GM-A:~$ dmesg | tail -n25
[  778.966881] cfg80211: 2402000 KHz - 2482000 KHz @  KHz), (N/A mBi, 2000 mBm)
[  778.966883] cfg80211: Updating information on frequency 2447 MHz for a 20 MHz width channel with regulatory rule:
[  778.966886] cfg80211: 2402000 KHz - 2482000 KHz @  KHz), (N/A mBi, 2000 mBm)
[  778.966889] cfg80211: Updating information on frequency 2452 MHz for a 20 MHz width channel with regulatory rule:
[  778.966892] cfg80211: 2402000 KHz - 2482000 KHz @  KHz), (N/A mBi, 2000 mBm)
[  778.966894] cfg80211: Updating information on frequency 2457 MHz for a 20 MHz width channel with regulatory rule:
[  778.966897] cfg80211: 2402000 KHz - 2482000 KHz @  KHz), (N/A mBi, 2000 mBm)
[  778.966900] cfg80211: Updating information on frequency 2462 MHz for a 20 MHz width channel with regulatory rule:
[  778.966903] cfg80211: 2402000 KHz - 2482000 KHz @  KHz), (N/A mBi, 2000 mBm)
[  778.966905] cfg80211: Updating information on frequency 2467 MHz for a 20 MHz width channel with regulatory rule:
[  778.966908] cfg80211: 2402000 KHz - 2482000 KHz @  KHz), (N/A mBi, 2000 mBm)
[  778.966911] cfg80211: Updating information on frequency 2472 MHz for a 20 MHz width channel with regulatory rule:
[  778.966914] cfg80211: 2402000 KHz - 2482000 KHz @  KHz), (N/A mBi, 2000 mBm)
[  778.966916] cfg80211: Disabling freq 2484 MHz
[  778.966920] cfg80211: World regulatory domain updated:
[  778.966922] cfg80211:     (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[  778.966925] cfg80211:     (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[  778.966928] cfg80211:     (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[  778.966931] cfg80211:     (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[  778.966934] cfg80211:     (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[  778.966937] cfg80211:     (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[  778.972691] ath: Failed to wakeup in 500us
[  779.141079] ath: Failed to wakeup in 500us
[  779.560169] usb 1-4: ath9k_htc: USB layer deinitialized
[  779.560314] usb 1-5: USB disconnect, device number 4

mohamad@mohamad-A780GM-A:~$ dmesg | grep ath
[   32.922490] usb 1-4: ath9k_htc: Transferred FW: htc_9271.fw, size: 51272
[   33.157840] ath9k_htc 1-4:1.0: ath9k_htc: HTC initialized with 33 credits
[   33.353698] ath9k_htc 1-4:1.0: ath9k_htc: FW Version: 1.3
[   33.353703] ath: EEPROM regdomain: 0x809c
[   33.353705] ath: EEPROM indicates we should expect a country code
[   33.353707] ath: doing EEPROM country->regdmn map search
[   33.353709] ath: country maps to regdmn code: 0x52
[   33.353711] ath: Country alpha2 being used: CN
[   33.353713] ath: Regpair used: 0x52
[   33.358879] Registered led device: ath9k_htc-phy0
[   33.358885] usb 1-4: ath9k_htc: USB layer initialized
[   33.358907] usbcore: registered new interface driver ath9k_htc
[   42.866458] type=1400 audit(1316528576.747:11): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/mission-control-5" pid=986 comm="apparmor_parser"
[   42.868927] type=1400 audit(1316528576.747:13): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/telepathy-*" pid=986 comm="apparmor_parser"
[  778.972691] ath: Failed to wakeup in 500us
[  779.141079] ath: Failed to wakeup in 500us
[  779.560169] usb 1-4: ath9k_htc: USB layer deinitialized

[elzindar3]

Bump bump!!!

[robadamson]

I have a very similar problem in 11.04 whenever I plug in my Technika webcam directly into my Toshiba laptop the wireless in disconnected and requires a reboot without the webcam to get the wireless back on also the webcam doesn't work. Funny thing though if I connect the webcam to a Belikin 4 port hub it all works fine!!!!. Totally confused. By the way the webcam comes up in lsusb as Bus 001 Device 005: ID 0c45:62e0 Microdia MSI Starcam Racer.

[elzindar3]

Ahaha... I had solve the problem my self.. i think the already available usb port at the backside of my PC had not enough power. so the problem happen... After I plugin External Multi USB port... the problem is solved for time being...

Sorry If my english is not so good.. I'm from Malaysia...