WebGL crashes during shader compilation on certain Chromebooks
Reported by
eno...@onshape.com,
May 3 2016
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Issue descriptionChrome Version: 50.0.2661.91 beta Chrome OS Version: Platform 7978.66.0 (Official Build) beta-channel peach_pit Chrome OS Platform: Samsung Exynos5 Network info: Issue does not depend on network Please specify Cr-* of the system to which this bug/feature applies (add the label below). Steps To Reproduce: (1) Navigate to https://cad.onshape.com/documents/a8e844bbd4db824888d97cce/w/ac5392152c36441ce0a1e2b3/e/5aad4c1ace9779c99d5f0f27 (2) Observe that WebGL crashes Expected Result: On most systems (other Chromebooks included) the page loads without issue. Actual Result: On a certain class of Chromebook the page will cause a crash. Samsung models seem to be affected, as does the Asus Chromebit. How frequently does this problem reproduce? Always What is the impact to the user, and is there a workaround? If so, what is it? Users cannot use any page on our site that uses WebGL. Please provide any additional information below. Attach a screen shot or log if possible. The earliest report of this problem was April 13. Prior to that the same platform had worked without issue. The issue has been tracked down to the compilation of a specific shader in our system. When that shader is altered, the crash is no longer triggered. We have a pending work-around, however it has not reached production yet and hence the problem is still reproducible. If there is an underlying platform issue, it would be good to see that cause fixed.
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May 13 2016
Stephane, do you have a machine on which you can reproduce this?
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May 13 2016
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May 13 2016
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May 13 2016
Reproduced on peach_pit 50.0.2633.0 / 7867.0.0 dev channel Still reproduced on peach_pit 51.0.2704.42 / 8172.28.0 dev channel
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May 13 2016
The M50 and earlier crashes on that url show a mali tcmalloc corruption, but the backtrace is bad: https://crash.corp.google.com/browse?stbtiq=cb3b220a00000000 Newer crashes indicate a shader problem, but the backtrace is still pretty bad https://crash.corp.google.com/browse?stbtiq=c9a151ec00000000
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Jun 17 2016
Having flicker issue on some websites starting June 16, 2016 on ASUS C100P. Consistent on website www.freep.com , sometimes reports "Rats WebGL hit a snag" and "Dear monitor its not working out between us" Did a Powerwash, problem persists. Chrome Build: 51.0.2704.79 (Official Build) (32-bit)
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Jun 17 2016
John, a fix for your issue (which is a Chromebook Flip/veyron and fixed by disabling FBC) is going out in the next few days on the stable channel. Sorry about that!
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Jun 18 2016
Adding CBC discussion possibly describing this issue on a Veyron_Speedy (Asus C201) on Stable51.0.2704.79 #CBC-RS/TC-watchlist
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Jun 18 2016
Oops. Forgot the link. Sorry! https://productforums.google.com/forum/#!topic/chromebook-central/j9-kbISCs14
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Jun 20 2016
Yes the fix should roll out soon.
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Jul 1 2016
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Aug 29 2016
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Oct 7 2016
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Nov 19 2016
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Jan 21 2017
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Mar 4 2017
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Apr 17 2017
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May 13 2017
I keep on getting "Rats WebGL hit a snap while entering a graphic game called pattermore in www.pottermore.com/patronus . Please help me
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May 13 2017
This issue is already closed; please file a new bug report. When you do so, include your GPU info by copy+pasting the chrome://gpu page into the bug description. Thanks!
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May 16 2017
Verified on 9460.34.0/59.0.3071.41 and 9557.0.0/60.0.3101.0 |
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Comment 1 by dhadd...@chromium.org
, May 12 2016