pulse-active-port-change crash when run test audio/speaker-headphone-plug-detection

[Jerry Kao]

Title: pulse-active-port-change crash when run test audio/speaker-headphone-plug-detection

Summary:
When run test audio/speaker-headphone-plug-detection, pulse-active-port-change crash and job was failed.

Test system CRN7-DVT1-C2
CID 201608-25052

This issue also can be reproduced when run ./pulse-active-port-change sinks

Steps: run test audio/speaker-headphone-plug-detection

Expected results: audio/speaker-headphone-plug-detection can be run

Actual results: pulse-active-port-change crash when run audio/speaker-headphone-plug-detection

Additional information:
checkbox version

ii checkbox-converged 1.4.1~ppa~ubuntu16.04.1 all testing tool for all Ubuntu devices
ii checkbox-gui 1.2.4-0ubuntu1 all QML based interface for checkbox (transitional package)
ii checkbox-ng 0.28~ppa2~ubuntu16.04.1 all PlainBox based test runner
ii checkbox-ng-service 0.23~ppa~ubuntu16.04.1 all CheckBox D-Bus service (transitional package)
ii checkbox-oem-bug 1.10-1-ubuntu1 all Checkbox OEM bug
ii plainbox-provider-checkbox 0.30~ppa2~ubuntu16.04.1 amd64 CheckBox provider for PlainBox
ii python3-checkbox-ng 0.28~ppa2~ubuntu16.04.1 all PlainBox based test runner (Python 3 library)
ii python3-checkbox-support 0.27~ppa~ubuntu16.04.1 all collection of Python modules used by PlainBox providers

plainbox version

ii plainbox 0.30~ppa~ubuntu16.04.1 all toolkit for software and hardware integration testing
ii plainbox-glmark2-es2-meta 0.27~ppa1~ubuntu16.04.1 amd64 Meta-package to selectively install glmark2-es2
ii plainbox-insecure-policy 0.30~ppa~ubuntu16.04.1 all policykit policy required to use plainbox (insecure version)
ii plainbox-provider-certification-client 0.27~ppa1~ubuntu16.04.1 all Client Certification provider for Plainbox
ii plainbox-provider-checkbox 0.30~ppa2~ubuntu16.04.1 amd64 CheckBox provider for PlainBox
ii plainbox-provider-oem 0.34 all plainbox oem provider
ii plainbox-provider-oem-somerville 0.34 all plainbox oem provider for somerville
ii plainbox-provider-resource-generic 0.27~ppa~ubuntu16.04.1 amd64 CheckBox generic resource jobs provider
ii plainbox-provider-tpm2 1.0+bzr4394+pkg4+1~ubuntu16.04.1 all TPM 2.0 provider for PlainBox
ii python3-plainbox 0.30~ppa~ubuntu16.04.1 all toolkit for software and hardware testing (python3 module)

Image: somerville-xenial-amd64-20160624-2

CPU: Genuine Intel(R) CPU 0000 @ 2.70GHz (8x)

GPU:
00:02.0 VGA compatible controller: Intel Corporation Device 591b (rev 01)
01:00.0 VGA compatible controller: NVIDIA Corporation Device 1bb8 (rev a1)

Manufacturer: Dell Inc.

ProductName: Precision 7720

BiosVersion: 00.00.09

[Jerry Kao (jerry.kao)]

Automatically attached

[Pierre Equoy (pieq)]

Similar issue happens on 201608-25039 when running the job or the related script:

$ ./pulse-active-port-change sinks
Traceback (most recent call last):
  File "./pulse-active-port-change", line 149, in <module>
    raise SystemExit(AudioPlugDetection.main())
  File "./pulse-active-port-change", line 107, in main
    return cls(ns.timeout, ns.mode).run()
  File "./pulse-active-port-change", line 120, in run
    initial_cfg = self.get_sound_config()
  File "./pulse-active-port-change", line 71, in get_sound_config
    doc = parse_pactl_output(text)
  File "/usr/lib/python3/dist-packages/checkbox_support/parsers/pactl.py", line 566, in parse_pactl_output
    return Document.Syntax.parseString(output, parseAll=True)[0]
  File "/usr/lib/python3/dist-packages/pyparsing.py", line 1125, in parseString
    raise exc
  File "/usr/lib/python3/dist-packages/pyparsing.py", line 1119, in parseString
    se._parse( instring, loc )
  File "/usr/lib/python3/dist-packages/pyparsing.py", line 1046, in _parseCache
    value = self._parseNoCache( instring, loc, doActions, callPreParse )
  File "/usr/lib/python3/dist-packages/pyparsing.py", line 989, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/usr/lib/python3/dist-packages/pyparsing.py", line 2378, in parseImpl
    loc, exprtokens = e._parse( instring, loc, doActions )
  File "/usr/lib/python3/dist-packages/pyparsing.py", line 1046, in _parseCache
    value = self._parseNoCache( instring, loc, doActions, callPreParse )
  File "/usr/lib/python3/dist-packages/pyparsing.py", line 993, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/usr/lib/python3/dist-packages/pyparsing.py", line 2183, in parseImpl
    raise ParseException(instring, loc, self.errmsg, self)
pyparsing.ParseException: Expected end of text (at char 2384), (line:68, col:1)

The output of `pactl list sinks` is attached.

[Maciej Kisielewski (kissiel)]

The bug is caused by pactl sometimes reporting volume with raw number and a percentage - with dB value missing. The parser expected all three.