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[Regression] navigator.hardwareConcurrency returns 0
Reported by
a...@scirra.com,
Mar 20 2017
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Issue descriptionSteps to reproduce the problem: Visit https://www.scirra.com/labs/bugs/hwcbug.html and observe the value of hardwareConcurrency. What is the expected behavior? It should return 4, which is what it does in Chrome 56.0.2924.87. What went wrong? navigator.hardwareConcurrency returns 0 on Chrome 58.0.3029.21 on Android 7 (on a HTC 10). Did this work before? Yes 56.0.2924.87 Chrome version: 58.0.3029.21 Channel: beta OS Version: 7.0 Flash Version: n/a It still appears to work in Windows in that version. hardwareConcurrency is important to know how many workers to spin up, and some apps may be broken since they will spin up zero workers and not get any work done.
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Mar 20 2017
Confirmed disabling the sandbox fixes the issue. Over to Robert.
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Mar 20 2017
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Mar 20 2017
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Mar 20 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/e5c08912ddec1fe44b990a2416c68c8d77f9b5e5 commit e5c08912ddec1fe44b990a2416c68c8d77f9b5e5 Author: rsesek <rsesek@chromium.org> Date: Mon Mar 20 22:30:32 2017 [Android] __NR_getdents64 is available on all architectures. BUG= 703190 R=jorgelo@chromium.org Review-Url: https://codereview.chromium.org/2762583004 Cr-Commit-Position: refs/heads/master@{#458205} [modify] https://crrev.com/e5c08912ddec1fe44b990a2416c68c8d77f9b5e5/content/common/sandbox_linux/android/sandbox_bpf_base_policy_android.cc
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Mar 20 2017
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Mar 20 2017
Your change meets the bar and is auto-approved for M58. Please go ahead and merge the CL to branch 3029 manually. Please contact milestone owner if you have questions. Owners: amineer@(Android), cmasso@(iOS), bhthompson@(ChromeOS), govind@(Desktop) For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Mar 21 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/1f5117d10e496c8bc1869120539cfa2dfc425b14 commit 1f5117d10e496c8bc1869120539cfa2dfc425b14 Author: Robert Sesek <rsesek@chromium.org> Date: Tue Mar 21 15:14:15 2017 [Android] __NR_getdents64 is available on all architectures. BUG= 703190 R=jorgelo@chromium.org Review-Url: https://codereview.chromium.org/2762583004 Cr-Commit-Position: refs/heads/master@{#458205} (cherry picked from commit e5c08912ddec1fe44b990a2416c68c8d77f9b5e5) Review-Url: https://codereview.chromium.org/2762233002 . Cr-Commit-Position: refs/branch-heads/3029@{#329} Cr-Branched-From: 939b32ee5ba05c396eef3fd992822fcca9a2e262-refs/heads/master@{#454471} [modify] https://crrev.com/1f5117d10e496c8bc1869120539cfa2dfc425b14/content/common/sandbox_linux/android/sandbox_bpf_base_policy_android.cc
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Mar 21 2017
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Mar 22 2017
Verified fix 'return 4' on HTC 10/NRD90M with '58.0.3029.33' |
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Comment 1 by dtapu...@chromium.org
, Mar 20 2017Labels: -Pri-2 Pri-1
Owner: tedc...@chromium.org
Status: Assigned (was: Unconfirmed)