#9601 BLOC Not Tri: Loss of serial Data Carrier Detect signal on suspend/resume

[Zarro Boogs per Child]

#9601: Loss of serial Data Carrier Detect signal on suspend/resume
------------------------------------+---------------------------------------
           Reporter:  dsaxena       |       Owner:  dsaxena      
               Type:  defect        |      Status:  new          
           Priority:  blocker       |   Milestone:  Not Triaged  
          Component:  not assigned  |     Version:  not specified
         Resolution:                |    Keywords:               
        Next_action:  add to build  |    Verified:  0            
Deployment_affected:                |   Blockedby:               
           Blocking:  9420, 9458    |  
------------------------------------+---------------------------------------
Changes (by dsaxena):

  * next_action:  diagnose => add to build


Comment:

 Replying to [comment:8 pgf]:
 >
 > easiest workaround:   add "-L" to the agetty command line in
 /etc/event.d/ttyS0, to tell agetty to ignore DCD.

 ACK.

 > we should verify that the floating, or camera-connected DCD line isn't
 causing us extra serial interrupts.

 Agreed. I think this is something that would be best done by someone at
 1CC with the proper tools to look at the line on the board. I'll take a
 look at the software trace to see why the kernel thinks we're getting that
 interrupt.

-- 
Ticket URL: <http://dev.laptop.org/ticket/9601#comment:9>
One Laptop Per Child <http://laptop.org/>
OLPC bug tracking system