#12125 NORM 4-softw: XO-4 B1 touchscreen failures were not detected by runin

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#12125: XO-4 B1 touchscreen failures were not detected by runin
-----------------------------------+----------------------------------------
 Reporter:  Quozl                  |                 Owner:            
     Type:  defect                 |                Status:  new       
 Priority:  normal                 |             Milestone:  4-software
Component:  manufacturing process  |               Version:  4-B1      
 Keywords:                         |           Next_action:  design    
 Verified:  0                      |   Deployment_affected:            
Blockedby:                         |              Blocking:            
-----------------------------------+----------------------------------------
 A search of B1 build runin logs show a few instances where units could
 have been failed early due to touchscreen problems, but were not, because
 there is no touchscreen communication test in runin.

 logs-SHC23700010-120921_083534/kern.log:

 {{{
 [    9.104257] zforce: running in single touch mode
 [    9.112885] input: zForce touchscreen as
 /devices/d4033000.i2c/i2c-5/5-0050/input/input8
 [   11.564678] zforce_wait_receive: timeout expecting 0x1e
 [   11.646079] zforce_i2c_probe: failed
 [   11.722360] zforce: probe of 5-0050 failed with error -110
 }}}

 logs-SHC2380006A-120921_083337/kern.log:
 {{{
 [    8.614299] zforce: running in single touch mode
 [    8.614299] input: zForce touchscreen as
 /devices/d4033000.i2c/i2c-5/5-0050/input/input8
 [   11.074173] zforce_wait_receive: timeout expecting 0x1e
 [   11.178344] zforce_i2c_probe: failed
 [   11.301844] zforce: probe of 5-0050 failed with error -110
 [   12.123850] zforce_wait_receive: timed out expecting 0x07
 [   12.134910] zforce_i2c_probe: failed
 [   12.143943] zforce: probe of 5-0050 failed with error -110
 }}}

 logs-SHC2380008E-120921_105221/kern.log:
 {{{
 [   13.069412] zforce_wait_receive: timed out expecting 0x07
 [   13.188600] zforce_i2c_probe: failed
 [   13.296900] zforce: probe of 5-0050 failed with error -110
 }}}

 logs-SHC238000A9-120921_074942/kern.log:
 {{{
 [   13.613908] zforce_wait_receive: timed out expecting 0x07
 [   13.624483] zforce_i2c_probe: failed
 [   13.633120] zforce: probe of 5-0050 failed with error -110
 }}}

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Ticket URL: <http://dev.laptop.org/ticket/12125>
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