Kernel log wit errors in it while it is hapening. I'm seeing this as
something bad:

Oct  4 11:58:49 Lappertop kernel: [  796.356000] iwl4965: Microcode SW error 
detected.  Restarting 0x82000000.
Oct  4 11:58:50 Lappertop kernel: [  798.356000] wlan0: failed to restore 
operationalchannel after scan
Oct  4 11:58:50 Lappertop kernel: [  798.356000] iwl4965: No space for Tx
Oct  4 11:58:50 Lappertop kernel: [  798.356000] iwl4965: Error sending 
REPLY_ADD_STA: iwl_enqueue_hcmd failed: -28
Oct  4 11:58:50 Lappertop kernel: [  798.356000] iwl4965: No space for Tx
Oct  4 11:58:50 Lappertop kernel: [  798.356000] iwl4965: Error sending 
REPLY_TX_LINK_QUALITY_CMD: iwl_enqueue_hcmd failed: -28
Oct  4 11:58:50 Lappertop kernel: [  798.356000] iwl4965: No space for Tx
Oct  4 11:58:50 Lappertop kernel: [  798.356000] iwl4965: Error sending 
REPLY_TX_PWR_TABLE_CMD: iwl_enqueue_hcmd failed: -28
Oct  4 11:58:57 Lappertop kernel: [  804.932000] iwl4965: REPLY_ADD_STA failed
Oct  4 11:59:45 Lappertop kernel: [  852.840000] wlan0: RX deauthentication 
from 00:12:17:ae:73:fe (reason=7)
Oct  4 11:59:45 Lappertop kernel: [  852.840000] wlan0: deauthenticated
Oct  4 11:59:46 Lappertop kernel: [  853.840000] wlan0: authenticate with AP 
00:12:17:ae:73:fe
Oct  4 11:59:46 Lappertop kernel: [  853.840000] wlan0: RX authentication from 
00:12:17:ae:73:fe (alg=0 transaction=2 status=0)
Oct  4 11:59:46 Lappertop kernel: [  853.840000] wlan0: authenticated
Oct  4 11:59:46 Lappertop kernel: [  853.840000] wlan0: associate with AP 
00:12:17:ae:73:fe
Oct  4 11:59:46 Lappertop kernel: [  853.844000] wlan0: RX ReassocResp from 
00:12:17:ae:73:fe (capab=0x11 status=0 aid=2)
Oct  4 11:59:46 Lappertop kernel: [  853.844000] wlan0: associated
Oct  4 11:59:46 Lappertop kernel: [  853.844000] wlan0: CTS protection enabled 
(BSSID=00:12:17:ae:73:fe)
Oct  4 11:59:46 Lappertop kernel: [  853.844000] iwl4965: TX Power requested 
while scanning!
Oct  4 11:59:46 Lappertop kernel: [  853.844000] iwl4965: Error setting Tx 
power (-11).
Oct  4 11:59:46 Lappertop kernel: [  853.844000] iwl4965: TX Power requested 
while scanning!
Oct  4 11:59:46 Lappertop kernel: [  853.844000] iwl4965: Error setting Tx 
power (-11).
Oct  4 11:59:51 Lappertop kernel: [  858.852000] iwl4965: Microcode SW error 
detected.  Restarting 0x82000000.
Oct  4 11:59:53 Lappertop kernel: [  860.852000] wlan0: failed to restore 
operationalchannel after scan
Oct  4 11:59:53 Lappertop kernel: [  860.852000] iwl4965: No space for Tx
Oct  4 11:59:53 Lappertop kernel: [  860.852000] iwl4965: Error sending 
REPLY_ADD_STA: iwl_enqueue_hcmd failed: -28
Oct  4 11:59:53 Lappertop kernel: [  860.852000] iwl4965: No space for Tx
Oct  4 11:59:53 Lappertop kernel: [  860.852000] iwl4965: Error sending 
REPLY_TX_LINK_QUALITY_CMD: iwl_enqueue_hcmd failed: -28
Oct  4 11:59:53 Lappertop kernel: [  860.852000] iwl4965: No space for Tx
Oct  4 11:59:53 Lappertop kernel: [  860.852000] iwl4965: Error sending 
REPLY_TX_PWR_TABLE_CMD: iwl_enqueue_hcmd failed: -28
Oct  4 11:59:59 Lappertop kernel: [  867.444000] iwl4965: REPLY_ADD_STA failed
Oct  4 12:00:47 Lappertop kernel: [  914.704000] wlan0: RX deauthentication 
from 00:12:17:ae:73:fe (reason=7)
Oct  4 12:00:47 Lappertop kernel: [  914.704000] wlan0: deauthenticated
Oct  4 12:00:48 Lappertop kernel: [  915.704000] wlan0: authenticate with AP 
00:12:17:ae:73:fe
Oct  4 12:00:48 Lappertop kernel: [  915.704000] wlan0: RX authentication from 
00:12:17:ae:73:fe (alg=0 transaction=2 status=0)
Oct  4 12:00:48 Lappertop kernel: [  915.704000] wlan0: authenticated
Oct  4 12:00:48 Lappertop kernel: [  915.704000] wlan0: associate with AP 
00:12:17:ae:73:fe
Oct  4 12:00:48 Lappertop kernel: [  915.708000] wlan0: RX ReassocResp from 
00:12:17:ae:73:fe (capab=0x11 status=0 aid=2)
Oct  4 12:00:48 Lappertop kernel: [  915.708000] wlan0: associated
Oct  4 12:00:48 Lappertop kernel: [  915.708000] wlan0: CTS protection enabled 
(BSSID=00:12:17:ae:73:fe)
Oct  4 12:00:48 Lappertop kernel: [  915.712000] iwl4965: TX Power requested 
while scanning!
Oct  4 12:00:48 Lappertop kernel: [  915.712000] iwl4965: Error setting Tx 
power (-11).
Oct  4 12:00:48 Lappertop kernel: [  915.712000] iwl4965: TX Power requested 
while scanning!
Oct  4 12:00:48 Lappertop kernel: [  915.712000] iwl4965: Error setting Tx 
power (-11).
Oct  4 12:00:53 Lappertop kernel: [  920.728000] iwl4965: Microcode SW error 
detected.  Restarting 0x2000000.


** Attachment added: "kernel log"
   http://launchpadlibrarian.net/9834689/kernel.log

-- 
Intel 4965AGN wireless connection dies
https://bugs.launchpad.net/bugs/149214
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