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[79.66.147.78]) by smtp.gmail.com with ESMTPSA id d13sm4962205wrv.34.2020.04.10.17.34.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Apr 2020 17:34:20 -0700 (PDT) Subject: Firefox and Cliqz tabs crashing at GOV.UK government pages From: Graham Perrin To: gecko@freebsd.org Cc: FreeBSD-Current References: Message-ID: <02848de0-347d-c398-dc4e-a2f5e3f01e7c@gmail.com> Date: Sat, 11 Apr 2020 01:34:19 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Rspamd-Queue-Id: 48zbVR4Y27z3MZV X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=ZVLPvqd/; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of grahamperrin@gmail.com designates 2a00:1450:4864:20::32b as permitted sender) smtp.mailfrom=grahamperrin@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RECEIVED_SPAMHAUS_PBL(0.00)[78.147.66.79.khpj7ygk5idzvmvt5x4ziurxhy.zen.dq.spamhaus.net : 127.0.0.10]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; IP_SCORE(0.00)[ip: (-9.14), ipnet: 2a00:1450::/32(-2.36), asn: 15169(-0.43), country: US(-0.05)]; IP_SCORE_FREEMAIL(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[b.2.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-gecko@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gecko Rendering Engine issues List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Apr 2020 00:34:34 -0000 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 . 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 ), 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. More shots of what appears to be mis-rendering, Firefox with a refreshed profile in safe mode: I have .core files from both Firefox and Cliqz, should I report a bug? (Also I'd like to take this opportunity to learn how to interpret parts of a .core file, I'll do what I can with man pages but might need to seek help in IRC.) ---- grahamperrin@momh167-gjp4-8570p:~ % date ; uname -v Sat 11 Apr 2020 01:09:15 BST FreeBSD 13.0-CURRENT #52 r359750: Fri Apr 10 03:33:09 BST 2020 root@momh167-gjp4-8570p:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG grahamperrin@momh167-gjp4-8570p:~ % pkg query '%o %v %R' cliqz firefox www/cliqz 1.34.0_1 FreeBSD www/firefox 75.0_1,1 FreeBSD grahamperrin@momh167-gjp4-8570p:~ %