#12256 NORM 13.1.0: XO-4 failure to start runin, hang in audio init

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#12256: XO-4 failure to start runin, hang in audio init
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           Reporter:  greenfeld  |       Owner:  saadia                           
               Type:  defect     |      Status:  new                              
           Priority:  normal     |   Milestone:  13.1.0                           
          Component:  kernel     |     Version:  Development build as of this date
         Resolution:             |    Keywords:                                   
        Next_action:  diagnose   |    Verified:  0                                
Deployment_affected:             |   Blockedby:                                   
           Blocking:             |  
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Comment(by greenfeld):

 Below are the lines that come before/follow from a previous runin run with
 os8 on XO-4 (not the failed run related to this ticket):

 {{{
 [    7.711706] usbcore: deregistering interface driver udlfb
 [    7.897248] runin-main: start
 [    7.921404] mousedev: PS/2 mouse device common for all mice
 [    8.009428] calling clk_mmp_enable_ccic
 [    8.381980] calling clk_mmp_disable_ccic
 [    9.189837] libertas_sdio mmc0:0001:1: (unregistered net_device):
 20:7c:8f:96:6d:f6, fw 9.70.20p0, cap 0x000003a3
 [    9.211363] libertas_sdio mmc0:0001:1: wlan0: Marvell WLAN 802.11
 adapter
 [    9.241020] systemd-udevd[236]: renamed network interface wlan0 to eth0
 [   11.671894] dcon_freeze_store: 0
 [   12.089462] calling clk_mmp_enable_audio
 [   12.100687] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
 [   12.202364] Enter mmp pcm open
 [   12.205557] ^^^ startup
 [   12.291657] Enter olpc hw params
 [   12.329386] Exit olpc hw params
 [   12.342873] Early enable of receive
 [   12.346496] ^^^ prepare
 [   12.346496] ^^^ prepare capture
 [   12.435696] ^^^ unmute
 [   12.438279] ^^^ trigger
 [   12.460546] ^^^ trigger
 [   12.476490] ^^^ prepare
 [   12.479133] ^^^ prepare capture
 [   12.539536] ^^^ unmute
 [   12.539548] ^^^ trigger
 [   12.597666] ^^^ trigger
 [   12.611128] ^^^ prepare
 }}}

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Ticket URL: <http://dev.laptop.org/ticket/12256#comment:3>
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