#9661 NORM 1.5-F11: XO-1.5 os39 2.6.31 keyboard lost on resume

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#9661: XO-1.5 os39 2.6.31 keyboard lost on resume
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           Reporter:  Quozl      |       Owner:  dsaxena                           
               Type:  defect     |      Status:  reopened                          
           Priority:  normal     |   Milestone:  1.5-F11                           
          Component:  kernel     |     Version:  Development source as of this date
         Resolution:             |    Keywords:                                    
        Next_action:  reproduce  |    Verified:  0                                 
Deployment_affected:             |   Blockedby:                                    
           Blocking:             |  
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Comment(by dsaxena):

 Replying to [comment:6 Quozl]:
 > Replying to [comment:4 pgf]:
 > > but there's another client of the port -- the kernel -- and perhaps
 it's not ignoring DCD.
 >
 > But with the removal of console=ttyS0,115200 the kernel should no longer
 be a client of the kernel.  lsof shows no process has a file descriptor
 open to /dev/ttyS0.  /proc/cmdline doesn't have the console=ttyS0,115200
 phrase any more.
 >

 My guess is that the DCD "line" is changing as in #9601 and since nobody
 has the device open, we're defaulting to behaviour of responding to the
 DCD change; however, I don't think we should even be getting the interrupt
 if the device is not open!

 > Replying to [comment:5 cjb]:
 > > apply Deepak's comment-out kernel patch
 >
 > Could someone with a nearby kernel build environment try that, or
 provide a corresponding kernel for me to try?  (Or spend the time
 explaining how I can set up a kernel build environment).

 I'll work on tracking this issue down.

-- 
Ticket URL: <http://dev.laptop.org/ticket/9661#comment:7>
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