User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:39.0) Gecko/20100101 Firefox/39.0 Build ID: 20150630154324 Steps to reproduce: Example by JSFiddle: http://jsfiddle.net/CrazyDave2345/6rav0c8x/1/ May be related to bug #934507: https://bugzilla.mozilla.org/show_bug.cgi?id=934507 1) create a SVG with the img tag 2) use javscript to change the src into the same URL as it was originally Actual results: The animation stops moving. Expected results: The animation continues moving because the src stays the same.

Works on trunk now. No idea what fixed it.

(In reply to Robert Longson from comment #1) > Works on trunk now. No idea what fixed it. Hi Robert, I can still repro this bug on nightly. http://jsfiddle.net/CrazyDave2345/6rav0c8x/1/ Animation stops after 2 seconds.

(In reply to C.J. Ku[:cjku](UTC+8) from comment #2) > (In reply to Robert Longson from comment #1) > > Works on trunk now. No idea what fixed it. > Hi Robert, > I can still repro this bug on nightly. > http://jsfiddle.net/CrazyDave2345/6rav0c8x/1/ > Animation stops after 2 seconds. Oops, update to 01748a2b1a46 and test again, this bug had been fixed. I will do mosregress

4:27.95 INFO: First good revision: 49b3e41bb16b2f464f38a049943379ce6c612eb8 4:27.95 INFO: Last bad revision: 37edfd2c53edf8829992fb418b0f27b676f5b830 4:27.95 INFO: Pushlog: https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=37edfd2c53edf8829992fb418b0f27b676f5b830&tochange=49b3e41bb16b2f464f38a049943379ce6c612eb8 4:28.89 INFO: Looks like the following bug has the changes which introduced the fix: https://bugzilla.mozilla.org/show_bug.cgi?id=935888