Extension Error: PROTOCOL_TIMEOUT Method: Network.emulateNetworkConditions

[sandeepyohans]

Lighthouse Version: 3.3.0.4000
Lighthouse Commit: 40e1120
Chrome Version: 70.0.3538.77
Initial URL: http://mobiledtp.charislms.com/login.php
Error Message: PROTOCOL_TIMEOUT Method: Network.emulateNetworkConditions
Stack Trace:

LHError: PROTOCOL_TIMEOUT Method: Network.emulateNetworkConditions
    at _ (chrome-extension://blipmdconlkpinefehnmjammfjpmpbjk/scripts/lighthouse-ext-bundle.js:18402:11)

[Da13Harris]

I'm running into the same issue on an internal app, seems like the same versions of everything:

Lighthouse Version: 3.3.0.4000
Lighthouse Commit: 40e1120
Chrome Version: 70.0.3538.77
Initial URL: (Internal URL. Sorry, not for public consumption)
Error Message: PROTOCOL_TIMEOUT Method: Network.emulateNetworkConditions
Stack Trace:

LHError: PROTOCOL_TIMEOUT Method: Network.emulateNetworkConditions
    at _ (chrome-extension://blipmdconlkpinefehnmjammfjpmpbjk/scripts/lighthouse-ext-bundle.js:18402:11)

[RaceProUK]

I'm seeing this too.

Lighthouse Version: 3.3.0.4000
Lighthouse Commit: 40e1120
Chrome Version: 70.0.3538.77
Initial URL: https://localhost:44312/Sales/AffiliateInventoryOffers
Error Message: PROTOCOL_TIMEOUT Method: Network.emulateNetworkConditions
Stack Trace:

LHError: PROTOCOL_TIMEOUT Method: Network.emulateNetworkConditions
    at _ (chrome-extension://blipmdconlkpinefehnmjammfjpmpbjk/scripts/lighthouse-ext-bundle.js:18402:11)

Edit: If I turn off the PWA checks, the error disappears.

[patrickhulce]

Thanks folks! We're deduping this into #6512 to keep investigating.