#12763 NORM Future : XO-4 hang after a few minutes of idle using ad-hoc network in a specific environment

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#12763: XO-4 hang after a few minutes of idle using ad-hoc network in a specific
environment
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           Reporter:  Quozl     |       Owner:  Quozl                            
               Type:  defect    |      Status:  new                              
           Priority:  normal    |   Milestone:  Future Release                   
          Component:  kernel    |     Version:  Development build as of this date
         Resolution:            |    Keywords:                                   
        Next_action:  diagnose  |    Verified:  0                                
Deployment_affected:  au        |   Blockedby:                                   
           Blocking:            |  
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Comment(by Quozl):

 The problem is that the host sends a CMD_MAC_MULTICAST_ADR to add a MAC
 address to the multicast list in the wireless device, and there is no
 response to the command, resulting in the driver declaring a timeout ten
 seconds later.

 The driver then enters a hang state, which will then lead to a hang of
 software components that rely on network interface methods; including
 Network Manager, powerd, ifconfig, and Sugar.

 We must determine the sequence of commands sent to the card in the time
 immediately prior to the wireless device hanging.

 Please enable driver debugging, such as in /etc/rc.d/rc.local:

 {{{
 echo "module mwifiex +p" > /sys/kernel/debug/dynamic_debug/control
 echo "module mwifiex_sdio +p" > /sys/kernel/debug/dynamic_debug/control
 }}}

 Then reproduce the problem and provide kernel messages from at least one
 affected laptop.

-- 
Ticket URL: <http://dev.laptop.org/ticket/12763#comment:2>
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