#12506 HIGH 13.1.0: Suspend/resume SDIO related kernel crash in 13.1.0

Zarro Boogs per Child bugtracker at laptop.org
Mon Jan 28 10:10:58 EST 2013

#12506: Suspend/resume SDIO related kernel crash in 13.1.0
           Reporter:  wad       |       Owner:  shep                              
               Type:  defect    |      Status:  new                               
           Priority:  high      |   Milestone:  13.1.0                            
          Component:  kernel    |     Version:  Development source as of this date
         Resolution:            |    Keywords:  XO-4, suspend, SDIO               
        Next_action:  diagnose  |    Verified:  0                                 
Deployment_affected:            |   Blockedby:                                    
           Blocking:            |  
Changes (by cjb):

  * owner:  cjb => shep


 It's a failure to get a contiguous allocation for the mwifiex firmware.
 It's not unexpected for these high order allocations to fail after boot
 time, when memory is fragmented.

 The reason it's started happening now is that we're tearing down the wifi
 device across every s/r, including the kernel data structure containing
 the 8787 firmware.  Before shep's kernel change to do this, we'd keep the
 firmware in memory and not need to try to reallocate it later after

 Reassigning to shep, if that's okay.

Ticket URL: <http://dev.laptop.org/ticket/12506#comment:1>
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