[Bug 108680] [CI][BAT] igt@kms_chamelium may need to wait a little bit for the network to come back up before connecting to chamelium

[Bug 108680] [CI][BAT] igt@kms_chamelium may need to wait a little bit for the network to come back up before connecting to chamelium

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https://bugs.freedesktop.org/show_bug.cgi?id=108680

            Bug ID: 108680
           Summary: [CI][BAT] igt@kms_chamelium may need to wait a little
                    bit for the network to come back up before connecting
                    to chamelium
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: IGT
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: martin.peres@free.fr

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5091/fi-skl-6700k2/igt@kms_chamelium@common-hpd-after-suspend.html

Starting subtest: common-hpd-after-suspend
Subtest common-hpd-after-suspend: SUCCESS (36.272s)
(kms_chamelium:3059) igt_chamelium-CRITICAL: Test assertion failure function
chamelium_rpc, file ../lib/igt_chamelium.c:303:
(kms_chamelium:3059) igt_chamelium-CRITICAL: Failed assertion:
!chamelium->env.fault_occurred
(kms_chamelium:3059) igt_chamelium-CRITICAL: Last errno: 113, No route to host
(kms_chamelium:3059) igt_chamelium-CRITICAL: Chamelium RPC call failed: libcurl
failed to execute the HTTP POST transaction, explaining:  Failed to connect to
192.168.1.220 port 9992: No route to host

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[Bug 108680] [CI][BAT] igt@kms_chamelium may need to wait a little bit for the network to come back up before connecting to chamelium

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https://bugs.freedesktop.org/show_bug.cgi?id=108680

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|medium                      |highest
         Whiteboard|                            |ReadyForDev

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[Bug 108680] [CI][BAT] igt@kms_chamelium may need to wait a little bit for the network to come back up before connecting to chamelium

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https://bugs.freedesktop.org/show_bug.cgi?id=108680

--- Comment #1 from Jani Saarinen <jani.saarinen@intel.com> ---
>From Petri:
"The story for it is that the test suspends a couple of times and then reports
success, and chamelium's atexit handlers attempt to reset the chamelium to a
good default state for other tests, and that fails with "No route to host". To
be investigated: Is the theory correct that the DUT doesn't have an IP when
that happens, or the link is down still? If the dut's network interface is
still down from the suspend, can a wait (using netlink) be added to
chamelium_rpc() if the interface is coming up, or if this can be made more
robust in some other way."

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[Bug 108680] [CI][BAT] igt@kms_chamelium may need to wait a little bit for the network to come back up before connecting to chamelium

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https://bugs.freedesktop.org/show_bug.cgi?id=108680

--- Comment #2 from Petri Latvala <petri.latvala@intel.com> ---
Turns out, fi-skl-6700k2's network interface is just prone to completely
disappearing on suspend. Work is ongoing to make IGT instead check for working
network connectivity after suspending to mitigate this.

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[Bug 108680] [CI][BAT] igt@kms_chamelium may need to wait a little bit for the network to come back up before connecting to chamelium

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https://bugs.freedesktop.org/show_bug.cgi?id=108680

--- Comment #3 from Martin Peres <martin.peres@free.fr> ---
Another example of this issue. The watchdog just randomly killed the platform
before it was done:

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5110/fi-skl-6700k2/igt@drv_selftest@live_execlists.html

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[Bug 108680] [CI][BAT] igt@kms_chamelium may need to wait a little bit for the network to come back up before connecting to chamelium

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https://bugs.freedesktop.org/show_bug.cgi?id=108680

Lakshmi <lakshminarayana.vudum@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|dri-devel@lists.freedesktop |petri.latvala@intel.com
                   |.org                        |

--- Comment #4 from Lakshmi <lakshminarayana.vudum@intel.com> ---
IGT infrastructure issue rather than driver issue.

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