Linux Kernel Testing by Linaro – March 6th Edition

Posted: April 9, 2019 in Uncategorized

Linaro runs a battery of tests on the Open Embedded and Android operating systems using a variety of hardware and kernel versions in order to detect kernel regressions. These regressions are reported to member companies and the various upstream communities like linux-stable.

This report is a summary of our activity this week.

Due to some breakage that was witnessed, there was a desire this month to add KVM into the kernel testing mix. KV-165 Investigate adding KVM testing to LKFT

Testing on Open Embedded

  • KV-126 Final testing for upgrade to sumo happening in staging. Looking to upgrade this week.
  • Db410c boot issue showed up, investigating.
  • Bug Status – 62 open bugs
    • 2019-03-06: bpf_test_tcpbpf_user confirmed fixed on mainline thanks to Anders’ patch re: bug 3938
    • 2019-03-05: Bug 4305 – LTP: Juno: 64K page: causing Unable to handle kernel NULL pointer dereference reported to ARM and LDCG
    • 2019-03-04: Anders Roxell reported a use after free with KASAN in next
    • 2019-03-01: Naresh Kamboju reported a kernel warning triggered by bpf test_sock
  • RC Log
    • 2019-03-04
      • 4.9.162, 4.14.105, 4.19.27, 4.20.14
        • Reported no regressions in <24h

Testing on Android

    • Discussion
      • Pixel 3 is starting to boot : https://pastebin.linaro.org/view/bbdf82eb
      • DB845 is following along as well
      • Working with John/YongQin and hikey-linaro kernel branches that then get used by LKFT. Part of what we’ve been bit by in failures is due to changes in Android Common due to post P.
    • Android 9 / P LTS-premerge – 4.4, 4.9, 4.14, 4.19
      • 4.19.26 / HiKey – no regressions
      • 4.14.104 / HiKey –
        • cts-lkft/arm64-v8a.CtsOsTestCases/android.os.cts.StrictModeTest.testNetwork
        • cts-lkft/arm64-v8a.CtsOsTestCases/android.os.cts.StrictModeTest.testUntaggedSocketsHttp
        • cts-lkft/arm64-v8a.CtsOsTestCases/android.os.cts.StrictModeTest.testUntaggedSocketsRaw
        • cts-lkft/armeabi-v7a.CtsOsTestCases/android.os.cts.StrictModeTest.testNetwork
        • cts-lkft/armeabi-v7a.CtsOsTestCases/android.os.cts.StrictModeTest.testUntaggedSocketsHttp
        • cts-lkft/armeabi-v7a.CtsOsTestCases/android.os.cts.StrictModeTest.testUntaggedSocketsRaw
        • cts-lkft/armeabi-v7a.CtsWebkitTestCases/android.webkit.cts.WebViewSslTest.testProceedClientCertRequestKeyWithAndroidKeystoreKey
      • 4.9.161 / HiKey
      • 4.4.176 / HiKey
        • No regressions
        • cts-lkft/arm64-v8a.CtsUsbTests /com.android.cts.usb.TestUsbTest.testUsbSerialReadOnDeviceMatches
          • Seen before but I believe this test is interesting in the context of adb disconnect issues
    • Android 9 / P –  4.4, 4.9, 4.14, 4.19 + HiKey
      • 4.19.23 / HiKey – no new data
      • 4.14.101 / HiKey – no new data
      • 4.9.158 / HiKey – no new data
      • 4.4.174 / HiKey – no new data
    • AOSP-master-tracking –  4.9, 4.14 4.19 / HiKey & 4.14 / X15
      • hi6220-hikey_4.19.23:
      •  cts-lkft-arm64-v8a/arm64-v8a.CtsBluetoothTestCases:
        • android.bluetooth.cts.HearingAidProfileTest.test_getConnectedDevices
        • android.bluetooth.cts.HearingAidProfileTest.test_getDevicesMatchingConnectionStates
      • hi6220-hikey_4.14.101:
      •  cts-lkft-arm64-v8a/arm64-v8a.CtsBluetoothTestCases:
        • android.bluetooth.cts.HearingAidProfileTest.test_getDevicesMatchingConnectionStates
      •  cts-lkft-armeabi-v7a/armeabi-v7a.CtsBluetoothTestCases:
        • android.bluetooth.cts.HearingAidProfileTest.test_getConnectedDevices
        • android.bluetooth.cts.HearingAidProfileTest.test_getConnectionStateChangedIntent
      •  cts-lkft-arm64-v8a/arm64-v8a.CtsLibcoreTestCases:
      •   org.apache.harmony.tests.java.util.regex.MatcherTest.testAllCodePoints_p
      •  cts-lkft-armeabi-v7a/armeabi-v7a.CtsBluetoothTestCases:
        • android.bluetooth.cts.HearingAidProfileTest.test_getConnectionStateChangedIntent
      • hi6220-hikey_4.9.158:
      •  cts-lkft-armeabi-v7a/armeabi-v7a.CtsBluetoothTestCases:
        • android.bluetooth.cts.HearingAidProfileTest.test_getDevicesMatchingConnectionStates
      • x15_4.14.101:
      •  cts-lkft-armeabi-v7a/armeabi-v7a.CtsWebkitTestCases:
        • android.webkit.cts.WebSettingsTest.testAccessJavaScriptEnabled
        • android.webkit.cts.WebSettingsTest.testAccessLayoutAlgorithm
    • Android 8.1 – 4.4 + HiKey, 4.14 and X15
      • 4.14.103 / X15 – no regressions
      • 4.4.x / HiKey – no new data
    • Bug Activity
      • 22 – stable WtW
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