#10969 NORM 11.2.0-: rtnl deadlock due to libertas get_wireless_stats hang

Zarro Boogs per Child bugtracker at laptop.org
Sun Jun 19 08:53:30 EDT 2011


#10969: rtnl deadlock due to libertas get_wireless_stats hang
---------------------------------+------------------------------------------
           Reporter:  greenfeld  |       Owner:  dsd                              
               Type:  defect     |      Status:  new                              
           Priority:  normal     |   Milestone:  11.2.0-final                     
          Component:  kernel     |     Version:  Development build as of this date
         Resolution:             |    Keywords:                                   
        Next_action:  diagnose   |    Verified:  0                                
Deployment_affected:             |   Blockedby:                                   
           Blocking:             |  
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Changes (by dsd):

 * cc: godiard (added)


Comment:

 I tried to reproduce this by bombarding the card with commands during
 suspend/resume. I couldn't reproduce this but I did encounter other
 crashes. I've now fixed those, and they may help this case too, but I'm
 not really sure (and still can't reproduce it).

 new kernel for testing:
 http://xs-
 dev.laptop.org/~dsd/repos/f14-xo1.5/kernel-2.6.35.13_xo1.5-20110618.1108.olpc.39710f5.i586.rpm
 (will also be in next build)

 Remember the kernel install trick:
 http://wiki.laptop.org/go/Kernel#Building_an_OLPC_kernel

 Unlike the previous kernel, this one has no additional log messages (which
 are suspected to further mask the issue). So hopefully if the bug is still
 present it is as easy to reproduce as before.

-- 
Ticket URL: <http://dev.laptop.org/ticket/10969#comment:9>
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