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Old 11-20-2011, 10:32 PM
dayer
 
Default Bug#649449: firmware-iwlwifi: "Card state received: HW:Kill SW:On" and "Not sending command - RF KILL"

Package: firmware-iwlwifi
Version: 0.34
Severity: important

Hi,

I'm using a Toshiba laptop model U200-191 with a wireless card "Intel
Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)"
(according to lspci). My laptop has several disconnections, it depends on the
network and this situation happens randomly. A day the connection goes very
well, without cuts, but next day, with the same network, position and power
signal, there're several disconnections. Now, for example, according on
iwconfig the network has Link Quality=54/70 and Signal level=-56 dBm, and it
has been several cuts.

I paste the dmesg ouput using Network Manager and with Network Manager stopped
and using only a shell to configure the wireless lan. I've left out the BSSID.

With Network Manager (two cuts):
-------------------------------------------------------------
[31806.069228] iwl3945 0000:02:00.0: Card state received: HW:Kill SW:On
[31806.069416] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31806.069422] iwl3945 0000:02:00.0: Error sending REPLY_QOS_PARAM:
enqueue_hcmd failed: -5
[31806.069446] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31806.069451] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31806.069459] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31806.069480] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31806.069484] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31806.069489] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31806.069510] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31806.069516] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice
(reason=3)
[31806.092075] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31806.092079] iwl3945 0000:02:00.0: Error sending REPLY_REMOVE_STA:
enqueue_hcmd failed: -5
[31806.092101] iwl3945 0000:02:00.0: Error removing station xx:xx:xx:xx:xx:xx
[31806.100185] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31806.100192] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31806.100220] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31806.100226] iwl3945 0000:02:00.0: Error sending REPLY_LEDS_CMD: enqueue_hcmd
failed: -5
[31806.100253] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31806.100259] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31806.100282] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31806.100354] cfg80211: Calling CRDA to update world regulatory domain
[31806.116188] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31806.116214] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31806.116221] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31806.120091] iwl3945 0000:02:00.0: MAC is in deep sleep!. CSR_GP_CNTRL =
0x040003DD
[31817.434865] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
[31817.436629] wlan0: authenticated
[31817.440387] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
[31817.449451] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x471 status=0
aid=1)
[31817.449455] wlan0: associated
[31896.713864] iwl3945 0000:02:00.0: Card state received: HW:Kill SW:On
[31896.714089] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31896.714096] iwl3945 0000:02:00.0: Error sending REPLY_QOS_PARAM:
enqueue_hcmd failed: -5
[31896.714123] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31896.714128] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31896.714156] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31896.714179] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31896.714185] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31896.714191] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31896.714214] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31896.714222] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice
(reason=3)
[31896.748067] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31896.748072] iwl3945 0000:02:00.0: Error sending REPLY_REMOVE_STA:
enqueue_hcmd failed: -5
[31896.748094] iwl3945 0000:02:00.0: Error removing station xx:xx:xx:xx:xx:xx
[31896.761516] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31896.761524] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31896.761551] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31896.761556] iwl3945 0000:02:00.0: Error sending REPLY_LEDS_CMD: enqueue_hcmd
failed: -5
[31896.761586] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31896.761609] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31896.761615] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31896.761706] cfg80211: Calling CRDA to update world regulatory domain
[31896.776127] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31896.776154] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31896.776161] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31896.780055] iwl3945 0000:02:00.0: MAC is in deep sleep!. CSR_GP_CNTRL =
0x040003DD
[31907.421609] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
[31907.423199] wlan0: authenticated
[31907.423798] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
[31907.429539] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x471 status=0
aid=1)
[31907.429543] wlan0: associated
[31928.099208] iwl3945 0000:02:00.0: Card state received: HW:Kill SW:On
[31928.099458] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31928.099465] iwl3945 0000:02:00.0: Error sending REPLY_QOS_PARAM:
enqueue_hcmd failed: -5
[31928.099495] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31928.099518] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31928.099524] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31928.099530] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31928.099553] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31928.099561] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice
(reason=3)
[31928.116188] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31928.116214] iwl3945 0000:02:00.0: Error sending REPLY_REMOVE_STA:
enqueue_hcmd failed: -5
[31928.116240] iwl3945 0000:02:00.0: Error removing station xx:xx:xx:xx:xx:xx
[31928.132120] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31928.132145] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31928.132155] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31928.132178] iwl3945 0000:02:00.0: Error sending REPLY_LEDS_CMD: enqueue_hcmd
failed: -5
[31928.132188] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31928.132211] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31928.132217] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31928.132345] cfg80211: Calling CRDA to update world regulatory domain
[31928.140137] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31928.140146] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31928.140171] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31928.144014] iwl3945 0000:02:00.0: MAC is in deep sleep!. CSR_GP_CNTRL =
0x040003DD
[31939.400423] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
[31939.402041] wlan0: authenticated
[31939.402765] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
[31939.406963] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x471 status=0
aid=1)
[31939.406966] wlan0: associated
[31965.569995] iwl3945 0000:02:00.0: Card state received: HW:Kill SW:On
[31965.570158] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31965.570179] iwl3945 0000:02:00.0: Error sending REPLY_QOS_PARAM:
enqueue_hcmd failed: -5
[31965.570187] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31965.570190] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31965.570210] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31965.570213] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31965.570216] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31965.570220] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice
(reason=3)
[31965.592074] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31965.592079] iwl3945 0000:02:00.0: Error sending REPLY_REMOVE_STA:
enqueue_hcmd failed: -5
[31965.592084] iwl3945 0000:02:00.0: Error removing station xx:xx:xx:xx:xx:xx
[31965.608202] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31965.608227] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31965.608236] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31965.608265] iwl3945 0000:02:00.0: Error sending REPLY_LEDS_CMD: enqueue_hcmd
failed: -5
[31965.608275] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31965.608299] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31965.608305] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31965.608421] cfg80211: Calling CRDA to update world regulatory domain
[31965.624120] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31965.624146] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31965.624175] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31965.628054] iwl3945 0000:02:00.0: MAC is in deep sleep!. CSR_GP_CNTRL =
0x040003DD
[31976.409195] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
[31976.412466] wlan0: authenticated
[31976.412812] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
[31976.416925] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x471 status=0
aid=1)
[31976.416929] wlan0: associated
[31988.880357] iwl3945 0000:02:00.0: Card state received: HW:Kill SW:On
[31988.880931] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31988.880956] iwl3945 0000:02:00.0: Error sending REPLY_QOS_PARAM:
enqueue_hcmd failed: -5
[31988.880988] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31988.880993] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31988.881018] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31988.881023] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31988.881029] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31988.881054] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice
(reason=3)
[31988.908089] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31988.908117] iwl3945 0000:02:00.0: Error sending REPLY_REMOVE_STA:
enqueue_hcmd failed: -5
[31988.908143] iwl3945 0000:02:00.0: Error removing station xx:xx:xx:xx:xx:xx
[31988.924206] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31988.924215] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[31988.924242] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31988.924248] iwl3945 0000:02:00.0: Error sending REPLY_LEDS_CMD: enqueue_hcmd
failed: -5
[31988.924275] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31988.924281] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31988.924305] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31988.924377] cfg80211: Calling CRDA to update world regulatory domain
[31988.940217] iwl3945 0000:02:00.0: Not sending command - RF KILL
[31988.940243] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[31988.940250] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[31988.944027] iwl3945 0000:02:00.0: MAC is in deep sleep!. CSR_GP_CNTRL =
0x040003DD
-------------------------------------------------------------


Without Network manager (one cut):
-------------------------------------------------------------
[32315.995187] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
[32315.996934] wlan0: authenticated
[32315.997006] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
[32316.001865] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x471 status=0
aid=1)
[32316.001890] wlan0: associated
[32329.076836] iwl3945 0000:02:00.0: Card state received: HW:Kill SW:On
[32329.077060] iwl3945 0000:02:00.0: Not sending command - RF KILL
[32329.077085] iwl3945 0000:02:00.0: Error sending REPLY_QOS_PARAM:
enqueue_hcmd failed: -5
[32329.077115] iwl3945 0000:02:00.0: Not sending command - RF KILL
[32329.077121] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[32329.077127] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[32329.077150] iwl3945 0000:02:00.0: Not sending command - RF KILL
[32329.077156] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[32329.077181] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice
(reason=3)
[32329.091933] iwl3945 0000:02:00.0: Not sending command - RF KILL
[32329.091941] iwl3945 0000:02:00.0: Error sending REPLY_REMOVE_STA:
enqueue_hcmd failed: -5
[32329.091967] iwl3945 0000:02:00.0: Error removing station xx:xx:xx:xx:xx:xx
[32329.104180] iwl3945 0000:02:00.0: Not sending command - RF KILL
[32329.104188] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[32329.104216] iwl3945 0000:02:00.0: Not sending command - RF KILL
[32329.104221] iwl3945 0000:02:00.0: Error sending REPLY_LEDS_CMD: enqueue_hcmd
failed: -5
[32329.104249] iwl3945 0000:02:00.0: Not sending command - RF KILL
[32329.104272] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[32329.104278] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[32329.104384] cfg80211: Calling CRDA to update world regulatory domain
[32329.120116] iwl3945 0000:02:00.0: Not sending command - RF KILL
[32329.120143] iwl3945 0000:02:00.0: Error sending REPLY_RXON: enqueue_hcmd
failed: -5
[32329.120151] iwl3945 0000:02:00.0: Error setting new configuration (-5).
[32329.124024] iwl3945 0000:02:00.0: MAC is in deep sleep!. CSR_GP_CNTRL =
0x040003DD
-------------------------------------------------------------


The problem is more common in networks with WPA security than WEP, although it
happen also with WPE and different networks and access points.
Sometimes the solution is turn off and turn on again the Wi-Fi switch. I know
the problem six or eight months ago.

Thanks.



-- System Information:
Debian Release: wheezy/sid
APT prefers testing
APT policy: (990, 'testing'), (750, 'unstable'), (650, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.0.0-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=es_ES.UTF-8, LC_CTYPE=es_ES.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

firmware-iwlwifi depends on no packages.

firmware-iwlwifi recommends no packages.

Versions of packages firmware-iwlwifi suggests:
ii initramfs-tools 0.99
ii linux-image-2.6.39-2-amd64 [linux-image] 2.6.39-3
ii linux-image-3.0.0-1-amd64 [linux-image] 3.0.0-3

-- no debconf information



--
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Archive: 20111120233220.15885.53525.reportbug@uGiantin">htt p://lists.debian.org/20111120233220.15885.53525.reportbug@uGiantin
 
Old 11-21-2011, 04:29 AM
Ben Hutchings
 
Default Bug#649449: firmware-iwlwifi: "Card state received: HW:Kill SW:On" and "Not sending command - RF KILL"

On Mon, 2011-11-21 at 00:32 +0100, dayer wrote:
> Package: firmware-iwlwifi
> Version: 0.34
> Severity: important
>
> Hi,
>
> I'm using a Toshiba laptop model U200-191 with a wireless card "Intel
> Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)"
> (according to lspci). My laptop has several disconnections, it depends on the
> network and this situation happens randomly. A day the connection goes very
> well, without cuts, but next day, with the same network, position and power
> signal, there're several disconnections. Now, for example, according on
> iwconfig the network has Link Quality=54/70 and Signal level=-56 dBm, and it
> has been several cuts.
>
> I paste the dmesg ouput using Network Manager and with Network Manager stopped
> and using only a shell to configure the wireless lan. I've left out the BSSID.
[...]
> Sometimes the solution is turn off and turn on again the Wi-Fi switch. I know
> the problem six or eight months ago.

The firmware for this device was last changed 2 years ago; therefore
this is not likely to be a firmware bug. It might be a bug in the
driver, or a hardware problem (the wifi switch not making a good
connection). Could you test the kernel package from stable
(linux-image-2.6.32-5-amd64)?

Ben.

--
Ben Hutchings
Teamwork is essential - it allows you to blame someone else.
 
Old 12-17-2011, 02:10 AM
dayer
 
Default Bug#649449: firmware-iwlwifi: "Card state received: HW:Kill SW:On" and "Not sending command - RF KILL"

Hi,

I'm testing a few days ago from kernel 2.6.32-5-amd64. The problems
cotinue and $dmesg prints:


[ 1452.312363] iwl3945 0000:02:00.0: Card state received: HW:Kill SW:On
[ 1452.312616] iwl3945 0000:02:00.0: Error sending REPLY_QOS_PARAM:
enqueue_hcmd failed: -5
[ 1452.312626] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[ 1452.312649] iwl3945 0000:02:00.0: Error setting RXON_ASSOC
configuration (-5).
[ 1452.312656] iwl3945 0000:02:00.0: Error sending REPLY_RXON_ASSOC:
enqueue_hcmd failed: -5
[ 1452.312679] iwl3945 0000:02:00.0: Error setting RXON_ASSOC
configuration (-5).
[ 1452.322082] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local
choice (reason=3)
[ 1452.373469] iwl3945 0000:02:00.0: Error sending REPLY_LEDS_CMD:
enqueue_hcmd failed: -5
[ 1452.440292] usb 3-2: USB disconnect, address 3
[ 1454.936878] Registered led device: iwl-phy0::radio
[ 1454.937137] Registered led device: iwl-phy0::assoc
[ 1454.937173] Registered led device: iwl-phy0::RX
[ 1454.937401] Registered led device: iwl-phy0::TX
[ 1459.592125] iwl3945 0000:02:00.0: Failed to get channel info for
channel 140 [0]
[ 1463.276109] iwl3945 0000:02:00.0: Failed to get channel info for
channel 140 [0]
[ 1463.279665] wlan0: direct probe to AP xx:xx:xx:xx:xx:xx (try 1)
[ 1463.281662] wlan0: direct probe responded
[ 1463.281687] wlan0: authenticate with AP xx:xx:xx:xx:xx:xx (try 1)
[ 1463.283741] wlan0: authenticated
[ 1463.287335] wlan0: associate with AP xx:xx:xx:xx:xx:xx (try 1)
[ 1463.290924] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x471
status=0 aid=1)
[ 1463.290927] wlan0: associated
[ 1472.271993] iwl3945 0000:02:00.0: Card state received: HW:Kill SW:On
[ 1472.272256] iwl3945 0000:02:00.0: Error sending REPLY_QOS_PARAM:
enqueue_hcmd failed: -5
[ 1472.284104] wlan0: deauthenticating from 5c:d9:98:ea:d8:02 by local
choice (reason=3)
[ 1472.332103] iwl3945 0000:02:00.0: Error sending REPLY_LEDS_CMD:
enqueue_hcmd failed: -5
[ 1474.931471] Registered led device: iwl-phy0::radio
[ 1474.931703] Registered led device: iwl-phy0::assoc
[ 1474.931777] Registered led device: iwl-phy0::RX
[ 1474.931869] Registered led device: iwl-phy0::TX

Best regards.

El lun, 21-11-2011 a las 05:29 +0000, Ben Hutchings escribió:
> On Mon, 2011-11-21 at 00:32 +0100, dayer wrote:
> > Package: firmware-iwlwifi
> > Version: 0.34
> > Severity: important
> >
> > Hi,
> >
> > I'm using a Toshiba laptop model U200-191 with a wireless card "Intel
> > Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)"
> > (according to lspci). My laptop has several disconnections, it depends on the
> > network and this situation happens randomly. A day the connection goes very
> > well, without cuts, but next day, with the same network, position and power
> > signal, there're several disconnections. Now, for example, according on
> > iwconfig the network has Link Quality=54/70 and Signal level=-56 dBm, and it
> > has been several cuts.
> >
> > I paste the dmesg ouput using Network Manager and with Network Manager stopped
> > and using only a shell to configure the wireless lan. I've left out the BSSID.
> [...]
> > Sometimes the solution is turn off and turn on again the Wi-Fi switch. I know
> > the problem six or eight months ago.
>
> The firmware for this device was last changed 2 years ago; therefore
> this is not likely to be a firmware bug. It might be a bug in the
> driver, or a hardware problem (the wifi switch not making a good
> connection). Could you test the kernel package from stable
> (linux-image-2.6.32-5-amd64)?
>
> Ben.
>

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Old 12-30-2011, 12:08 PM
Ben Hutchings
 
Default Bug#649449: firmware-iwlwifi: "Card state received: HW:Kill SW:On" and "Not sending command - RF KILL"

I'm afraid this sounds like a hardware problem, since the change in
behaviour is not associated with a driver or firmware change. If there
is a separate physical switch for wifi then perhaps the contacts are
dirty or corroded, so that it is wrongly detected as being in the 'off'
position.

Is there a status light for the wifi switch?

What does the command 'rfkill list' show after disconnection?

Ben.

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Ben Hutchings
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