Date: Sat, 11 Apr 2020 11:01:52 +0200 From: Gary Jennejohn <gljennjohn@gmail.com> To: freebsd-current@freebsd.org Subject: Re: Firefox and Cliqz tabs crashing at GOV.UK government pages Message-ID: <20200411110152.223bda30@ernst.home> In-Reply-To: <0ebe3d3b-8d4e-949e-fdd0-c62fe7a75df8@shurik.kiev.ua> References: <f0eee078-fbf1-066e-4e57-7f2f31b8f4f4@gmail.com> <02848de0-347d-c398-dc4e-a2f5e3f01e7c@gmail.com> <0ebe3d3b-8d4e-949e-fdd0-c62fe7a75df8@shurik.kiev.ua>
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On Sat, 11 Apr 2020 09:49:09 +0300 Alexandr Krivulya <shuriku@shurik.kiev.ua> wrote: > 11.04.20 03:34, Graham Perrin __________: > > On 08/04/2020 20:23, Graham Perrin wrote: > > > > > Firefox 75.0_1,1 tabs crashing or mis-rendering at some www.gov.uk > > pages > > > > > > Most noticeable today at <https://www.gov.uk/coronavirus>. > > Screenshots available on request. > > > > > > AFAICT the same types of problem with 75.0_1,1 on both r357746 and > > r359628. > > > > The problem persists with r359750, is reproducible with a different > > user account, is reproducible with Cliqz browser. As far as I can > > tell, only bugging UK.GOV government pages. > > > > Occasionally a page will appear OK (e.g. the screen to the left at > > <https://i.imgur.com/ROO9FIN.png>), more often the page will appear > > wrong (screen to the right, safe mode). > > > > Most often: the tab will crash before the screen can be read. Crashes > > seem to occur at load time, towards the tail end of content loading or > > rendering. > > > > I can't reproduce it on my current (r359770, amd64, firefox-75.0_1,1), > this page loads fine, no any mis-rendering or crashing. > https://www.gov.uk/coronavirus works with r359798 also, of course. I tried it with r359740 using firefox with a java script blocker installed. The site displayed just fine and only complained about cookies. As soon as I enabled any one of the two blocked java scripts the tab crashed. Seems like the site is using some weird java scripts which tickle a bug in older versions (< r359770) of FreeBSD. -- Gary Jennejohn
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