Sam, if there is nothing higher priority, can you take a look?
Assignee: nobody → svargas
Sure I'll look into it.
1 failures in 822 pushes (0.001 failures/push) were associated with this bug in the last 7 days. Repository breakdown: * mozilla-inbound: 1 Platform breakdown: * osx-10-10: 1 For more details, see: https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1382481&startday=2017-07-17&endday=2017-07-23&tree=all
Progress Update: I've narrowed the problem down to the ValidateAndInitAttachments() function in WebGLFramebuffer.cpp:893 The failing test calls getError() (which returns OK), texParameteri(), clearColor(), clear(), and then drawArrays(), and then getError() again which returns INVALID_FRAMEBUFFER_OPERATION clear() and drawArrays() are the only functions that call ValidateAndInit Attachments(), this is the only function that could have been called in this context that would trigger the INVALID_FRAMEBUFFER_OPERATION return value. When I try to reproduce the bug with a more recent revision of the code I couldn't get it to reoccur. (https://treeherder.mozilla.org/#/jobs?repo=try&revision=4bf6818f7a649bb221a5e9b6404d4b20acb26kk073). The good news is that I've been able to reproduce it on Try for OS X with the commit ' Bug 1381854 - FlyWeb events must mark the Response as BodyUsed, r=djvj ' (SHA 3283dc07e98bf02473), the same one in the original fail try. The problem happens in the optimized version but the debug version times out before it can get to that point. Reproduced failure: (https://treeherder.mozilla.org/#/jobs?repo=try&revision=595241bb813b199f134de1407d88b1f2af5e3490&selectedJob=117103208)
Figured it out! This failure was caused by Bug 1382104, which was backed out immediately after this changeset was pushed to try. I verified it using hg bisect. It explains why the failure occurred on every retrigger at this commit but not prior to Bug 1382104 or after it's back out.
Status: NEW → RESOLVED
Last Resolved: a year ago
Resolution: --- → FIXED
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