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Last Comment Bug 859664 - Direct3D device initialization hangs for multiple seconds on startup
: Direct3D device initialization hangs for multiple seconds on startup
Status: NEW
Product: Core
Classification: Components
Component: Graphics (show other bugs)
: unspecified
: All All
: -- normal with 5 votes (vote)
: ---
Assigned To: Nobody; OK to take it and work on it
: Milan Sreckovic [:milan] (PTO through Oct 23)
Depends on:
Blocks: start-faster
  Show dependency treegraph
Reported: 2013-04-08 21:57 PDT by Vladan Djeric (:vladan)
Modified: 2016-08-28 02:03 PDT (History)
6 users (show)
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D3D initialization hangs (5.62 KB, text/plain)
2013-04-08 21:57 PDT, Vladan Djeric (:vladan)
no flags Details

Description Vladan Djeric (:vladan) 2013-04-08 21:57:48 PDT
Created attachment 734987 [details]
D3D initialization hangs

Telemetry chrome-hang data for Nightly 22 on Windows shows we're getting hangs > 5 seconds while initializing Direct3D on startup. See attachment for hang stacks.

Ideas considered:
- This is not limited to single-core machines
- These hangs aren't exclusive to any specific driver or vendor
- The distribution of these hang reports across vendors is roughly 1:1:2 for Intel/Nvidia/AMD. However, the general Telemetry Nightly population has a 1:1:1 ratio for these vendors.
Comment 1 Vladan Djeric (:vladan) 2013-04-08 21:59:11 PDT
Correction, hang reports have a 2:1:1 distribution across Intel/Nvidia/AMD. The general Telemetry Nightly population (from a single day) has a 1:1:1 ratio for these vendors

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