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run-tool: be more failure tolerant in spawn_serial

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Fixes #809
This commit is contained in:
Stefan Kalkowski
2013-07-15 13:06:08 +02:00
parent 09d81759ee
commit 5d75e6676d
4 changed files with 26 additions and 14 deletions
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34
tool/run
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@@ -575,7 +575,7 @@ proc spawn_amt { wait_for_re timeout_value} {
set exit_result [lindex $result 3]
}
sleep 5
#
# grab output
#
@@ -671,23 +671,33 @@ proc exit {{status 0}} {
##
# Execute scenario expecting output via serial device
#
proc spawn_serial { wait_for_re timeout_value} {
proc spawn_serial { wait_for_re timeout_value kernel_msg } {
global spawn_id
global serial_cmd
global run_target
if {$wait_for_re == "forever"} {
set timeout -1
} else {
set timeout_value [expr $timeout_value + 30]
set retry 3
while { $retry != 0 } {
if {[regexp "reset" $run_target]} {
power_plug_reset
}
eval spawn $serial_cmd
set serial_spawn_id $spawn_id
set timeout 30
expect {
$kernel_msg { break; }
eof { puts stderr "Serial command process died unexpectedly"; incr retry -1; }
timeout { puts stderr "Boot process timed out"; close; incr retry -1; }
}
}
if { $retry == 0 } {
puts stderr "Boot process failed 3 times in series. I give up!";
exit -1;
}
if {[regexp "reset" $run_target]} {
power_plug_reset
}
eval spawn $serial_cmd
set serial_spawn_id $spawn_id
wait_for_output $wait_for_re $timeout_value $serial_spawn_id
}