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Status: Duplicate
Owner: ----
Closed: Jun 2017
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OS: All
Pri: 3
Type: Bug



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Bookmarked Search Results Page Can Lead to Missing Default Match Problems

Project Member Reported by dtapu...@chromium.org, Apr 21 2017

Issue description

Platform: Ubuntu 14.04

1) dcheck_always_on=true in GN config
2) Release Chromium build

I have vsynctester.com in my browser history.

Open chromium and type "test" in the empty omnibox.

DCHECK fails and browser dies:

[12346:12346:0421/114414.228984:FATAL:autocomplete_result.cc(169)] Check failed: input.text().empty() != default_match_->allowed_to_be_default_match (0 vs. 0)fill_into_edit=vsynctester.com, provider=HistoryQuick, input=test

 
Labels: Needs-Feedback OS-All
Owner: mpear...@chromium.org
Status: Assigned (was: Untriaged)
Can you comment out that line, run chrome, open up chrome://omnibox, and type "test" in the box there and paste the output here?  Please check all three display parameters boxes.

I can try to reproduce this on my own next week, but I suspect it has to do with your particular history and your configuration for default search provider?  (I assume you have one?)

Labels: -Needs-Feedback
Let me know if you need anyhting more.

Provider	Type	Relevance	Contents	URL
Search	search-what-you-typed	1300	test	https://www.google.ca/search?q=test&oq=test&aqs=chrome..69i57j69i60j69i61j69i60j0l2&sourceid=chrome&ie=UTF-8
HistoryQuick	history-url	1399	vsynctester.com	http://vsynctester.com/
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	http://rbyers.github.io/eventTest.html
HistoryQuick	history-url	1397	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html
Search	search-suggest	601	test internet speed	https://www.google.ca/search?q=test+internet+speed&oq=test&aqs=chrome.4.69i57j69i60j69i61j69i60j0l2&sourceid=chrome&ie=UTF-8
Search	search-suggest	600	testosterone	https://www.google.ca/search?q=testosterone&oq=test&aqs=chrome.5.69i57j69i60j69i61j69i60j0l2&sourceid=chrome&ie=UTF-8
Can you please check all three output parameters boxes, or at minimum the "Show all details" box?  I need to know what's in the "can be default" column...
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-history	1399	test	✔	✗	Google Search	https://www.google.ca/search?q=test&oq=test&aqs=chrome.0.69i59j69i60j69i61j69i60&sourceid=chrome&ie=UTF-8	test		✔	✗	5	✗		google.com	10	
relevance_from_server:	false
should_prefetch:	false
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	961 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	260 hours ago
typed count:	5
visit count:	9
HistoryQuick	history-url	1397	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	123 hours ago
typed count:	1
visit count:	12

Results for individual providers.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Bookmark	bookmark-title	970	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	✗	✔	test - Google Search	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj		✗	✗	1	✔			0	

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	961 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	260 hours ago
typed count:	5
visit count:	9
HistoryQuick	history-url	1397	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	123 hours ago
typed count:	1
visit count:	12

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-history	1399	test	✔	✗		https://www.google.ca/search?q=test&sourceid=chrome&ie=UTF-8	test		✔	✗	5	✗		google.com	9	
relevance_from_server:	false
should_prefetch:	false

cursor position = 4
elapsed time = 3ms
all providers done = false
host = test has is_typed_host = false
Combined results.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-history	1399	test	✔	✗	Google Search	https://www.google.ca/search?q=test&oq=test&aqs=chrome.0.69i59j69i60j69i61j69i60&sourceid=chrome&ie=UTF-8	test		✔	✗	5	✗		google.com	10	
relevance_from_server:	false
should_prefetch:	false
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	961 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	260 hours ago
typed count:	5
visit count:	9
HistoryQuick	history-url	1397	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	123 hours ago
typed count:	1
visit count:	12

Results for individual providers.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Bookmark	bookmark-title	970	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	✗	✔	test - Google Search	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj		✗	✗	1	✔			0	

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	961 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	260 hours ago
typed count:	5
visit count:	9
HistoryQuick	history-url	1397	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	123 hours ago
typed count:	1
visit count:	12

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-history	1399	test	✔	✗		https://www.google.ca/search?q=test&sourceid=chrome&ie=UTF-8	test		✔	✗	5	✗		google.com	9	
relevance_from_server:	false
should_prefetch:	false

cursor position = 4
elapsed time = 79ms
all providers done = true
host = test has is_typed_host = false
Combined results.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-history	1399	test	✔	✗	Google Search	https://www.google.ca/search?q=test&oq=test&aqs=chrome.0.69i59j69i60j69i61j69i60j0l2&sourceid=chrome&ie=UTF-8	test		✔	✗	5	✔		google.com	10	
relevance_from_server:	false
should_prefetch:	false
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	961 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	260 hours ago
typed count:	5
visit count:	9
HistoryQuick	history-url	1397	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	123 hours ago
typed count:	1
visit count:	12
Search	search-suggest	601	test internet speed	✗	✗	Google Search	https://www.google.ca/search?q=test+internet+speed&oq=test&aqs=chrome.4.69i59j69i60j69i61j69i60j0l2&sourceid=chrome&ie=UTF-8	test internet speed		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
Search	search-suggest	600	testosterone	✗	✗		https://www.google.ca/search?q=testosterone&oq=test&aqs=chrome.5.69i59j69i60j69i61j69i60j0l2&sourceid=chrome&ie=UTF-8	testosterone		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false

Results for individual providers.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Bookmark	bookmark-title	970	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	✗	✔	test - Google Search	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj		✗	✗	1	✔			0	

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	961 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	260 hours ago
typed count:	5
visit count:	9
HistoryQuick	history-url	1397	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	123 hours ago
typed count:	1
visit count:	12

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-history	1399	test	✔	✗		https://www.google.ca/search?q=test&sourceid=chrome&ie=UTF-8	test		✔	✗	5	✔		google.com	9	
relevance_from_server:	false
should_prefetch:	false
Search	search-suggest	601	test internet speed	✗	✗		https://www.google.ca/search?q=test+internet+speed&oq=test&sourceid=chrome&ie=UTF-8	test internet speed		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
Search	search-suggest	600	testosterone	✗	✗		https://www.google.ca/search?q=testosterone&oq=test&sourceid=chrome&ie=UTF-8	testosterone		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
Search	search-suggest	566	testing	✗	✗		https://www.google.ca/search?q=testing&oq=test&sourceid=chrome&ie=UTF-8	testing		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
Search	search-suggest	565	testament	✗	✗		https://www.google.ca/search?q=testament&oq=test&sourceid=chrome&ie=UTF-8	testament		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
Search	search-suggest	564	testimonial	✗	✗		https://www.google.ca/search?q=testimonial&oq=test&sourceid=chrome&ie=UTF-8	testimonial		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
This is really weird.  If you recall, when you focused the omnibox to enter "test", did you do so in a way that made the text "Search Google" appear in the omnibox before you typed "test", or did you simply enter "test" in an omnibox without such a prompt?  That may help me narrow down what's going on here.
Here is a screen recording of the issue.
464557-3-2.ogv
2.9 MB View Download
Thanks for the video.

This is so so weird.  I cannot get it to reproduce on my own. :-(

Can you post the about:omnibox output for "tes"?  Again, check all three output boxes.
Oh, and post your about:version information, including the whole Variations: section?  I have one theory related to an experiment currently running.
Chromium	60.0.3089.0 (Developer Build) (64-bit)
Revision	2083320b71ace6de783428ed2fbea9f594143694-
OS	Linux
JavaScript	V8 6.0.145
Flash	(Disabled)
User Agent	Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3089.0 Safari/537.36
Command Line	out/Release/chrome --flag-switches-begin --enable-experimental-web-platform-features --flag-switches-end
Executable Path	/work/chromium/src/out/Release/chrome
Profile Path	/usr/local/google/home/dtapuska/.config/chromium/Default
Variations	6c18ba9d-3d98b302
241fff6c-4eda1c57
1e528f0f-15305a2
d43bf3e5-d43bf3e5
ba3f87da-92cc81ec
a605b19e-3f4a17df
5ca89f9-3f4a17df
f3499283-2f3631ce
9e201a2b-3f4a17df
c5f6e7c4-3f4a17df
5274eb09-3f4a17df
57f575bb-f23d1dea
b791c1b8-3f4a17df
9773d3bd-3f4a17df
9ef7d150-3f4a17df
2e109477-4f8eb0c8
99144bc3-d9008813
64cbdfc2-3f4a17df
5139837c-3f4a17df
7f8176d9-3f4a17df
b7786474-d93a0620
9591f600-3f4a17df
23a898eb-431d877b
7382e39a-3f4a17df
868bda90-3f4a17df
4ea303a6-3f4a17df
ce152c12-3f4a17df
3a007b7-3f4a17df
fa99bb73-3f4a17df
64224f74-5087fa4a
56302f8c-3f4a17df
caa06ad2-3f4a17df
ad6d27cc-3e870323
b2f0086-93053e47
ef25c1eb-3f4a17df
7fc902e8-3f4a17df
d747916f-d747916f
f11cb941-f11cb941
1354da85-e3dff32e
494d8760-3f4a17df
fe05be5f-4ad60575
828a5926-d8f52f32



cursor position = 3
elapsed time = 2ms
all providers done = false
host = tes has is_typed_host = false
Combined results.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-what-you-typed	1300	tes	✔	✗	Google Search	https://www.google.ca/search?q=tes&oq=tes&aqs=chrome..69i57j69i60j69i61j69i60j69i65&sourceid=chrome&ie=UTF-8	tes		✗	✗	5	✗		google.com	0	
relevance_from_server:	false
should_prefetch:	false
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	1181 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	365 hours ago
typed count:	6
visit count:	10
HistoryQuick	history-url	1322	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	343 hours ago
typed count:	1
visit count:	12
Bookmark	bookmark-title	952	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	✗	✔	test - Google Search	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj		✗	✗	1	✔			10	

Results for individual providers.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Bookmark	bookmark-title	952	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	✗	✔	test - Google Search	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj		✗	✗	1	✔			0	

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	1181 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	365 hours ago
typed count:	6
visit count:	10
HistoryQuick	history-url	1322	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	343 hours ago
typed count:	1
visit count:	12

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-what-you-typed	1300	tes	✔	✗		https://www.google.ca/search?q=tes&sourceid=chrome&ie=UTF-8	tes		✗	✗	5	✗		google.com	0	
relevance_from_server:	false
should_prefetch:	false
Search	search-history	771	test	✔	✗		https://www.google.ca/search?q=test&sourceid=chrome&ie=UTF-8	test	t	✔	✗	5	✗		google.com	9	
relevance_from_server:	false
should_prefetch:	false

cursor position = 3
elapsed time = 3ms
all providers done = false
host = tes has is_typed_host = false
Combined results.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-what-you-typed	1300	tes	✔	✗	Google Search	https://www.google.ca/search?q=tes&oq=tes&aqs=chrome..69i57j69i60j69i61j69i60j69i65&sourceid=chrome&ie=UTF-8	tes		✗	✗	5	✗		google.com	0	
relevance_from_server:	false
should_prefetch:	false
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	1181 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	365 hours ago
typed count:	6
visit count:	10
HistoryQuick	history-url	1322	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	343 hours ago
typed count:	1
visit count:	12
Bookmark	bookmark-title	952	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	✗	✔	test - Google Search	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj		✗	✗	1	✔			10	

Results for individual providers.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Bookmark	bookmark-title	952	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	✗	✔	test - Google Search	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj		✗	✗	1	✔			0	

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	1181 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	365 hours ago
typed count:	6
visit count:	10
HistoryQuick	history-url	1322	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	343 hours ago
typed count:	1
visit count:	12

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-what-you-typed	1300	tes	✔	✗		https://www.google.ca/search?q=tes&sourceid=chrome&ie=UTF-8	tes		✗	✗	5	✗		google.com	0	
relevance_from_server:	false
should_prefetch:	false
Search	search-history	771	test	✔	✗		https://www.google.ca/search?q=test&sourceid=chrome&ie=UTF-8	test	t	✔	✗	5	✗		google.com	9	
relevance_from_server:	false
should_prefetch:	false

cursor position = 3
elapsed time = 282ms
all providers done = true
host = tes has is_typed_host = false
Combined results.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-what-you-typed	851	tes	✔	✗	Google Search	https://www.google.ca/search?q=tes&oq=tes&aqs=chrome..69i57j69i60j69i61j69i60j69i65j0&sourceid=chrome&ie=UTF-8	tes		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	1181 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	365 hours ago
typed count:	6
visit count:	10
HistoryQuick	history-url	1322	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	343 hours ago
typed count:	1
visit count:	12
Bookmark	bookmark-title	952	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	✗	✔	test - Google Search	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj		✗	✗	1	✔			11	
Search	search-suggest	750	tesla	✗	✗	Google Search	https://www.google.ca/search?q=tesla&oq=tes&aqs=chrome.5.69i57j69i60j69i61j69i60j69i65j0&sourceid=chrome&ie=UTF-8	tesla		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false

Results for individual providers.
Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Bookmark	bookmark-title	952	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	✗	✔	test - Google Search	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj	https://www.google.ca/search?q=test&biw=992&bih=621&site=webhp&source=lnms&tbm=isch&sa=X&ved=0CAYQ_AUoAWoVChMI9e2J2bSzxwIVR3uSCh13wwFj		✗	✗	1	✔			0	

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
HistoryQuick	history-url	1399	vsynctester.com	✗	✗	Web browser "VSYNC synchronization", display Hz, and input lag tester	http://vsynctester.com/	vsynctester.com		✔	✗	1	✔			0	
last visit:	1181 hours ago
typed count:	10
visit count:	10
HistoryQuick	history-title	1398	rbyers.github.io/eventTest.html	✗	✗	Test events	http://rbyers.github.io/eventTest.html	rbyers.github.io/eventTest.html		✔	✗	1	✔			0	
last visit:	365 hours ago
typed count:	6
visit count:	10
HistoryQuick	history-url	1322	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	✗	✗	Keyboard Events	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html	https://dvcs.w3.org/hg/d4e/raw-file/tip/key-event-test.html		✔	✗	1	✔			0	
last visit:	343 hours ago
typed count:	1
visit count:	12

Provider	Type	Relevance	Contents	Can Be Default	Starred	Description	URL	Fill Into Edit	Inline Autocompletion	Del	Prev	Tran	Done	Associated Keyword	Keyword	Duplicates	Additional Info
Search	search-what-you-typed	851	tes	✔	✗		https://www.google.ca/search?q=tes&sourceid=chrome&ie=UTF-8	tes		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
Search	search-history	771	test	✔	✗		https://www.google.ca/search?q=test&sourceid=chrome&ie=UTF-8	test	t	✔	✗	5	✔		google.com	10	
relevance_from_server:	false
should_prefetch:	false
Search	search-suggest	750	tesla	✗	✗		https://www.google.ca/search?q=tesla&oq=tes&sourceid=chrome&ie=UTF-8	tesla		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
Search	search-suggest	600	tesla stock	✗	✗		https://www.google.ca/search?q=tesla+stock&oq=tes&sourceid=chrome&ie=UTF-8	tesla stock		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
Search	search-suggest	566	tesla model 3	✗	✗		https://www.google.ca/search?q=tesla+model+3&oq=tes&sourceid=chrome&ie=UTF-8	tesla model 3		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
Search	search-suggest	565	tesla canada	✗	✗		https://www.google.ca/search?q=tesla+canada&oq=tes&sourceid=chrome&ie=UTF-8	tesla canada		✗	✗	5	✔		google.com	0	
relevance_from_server:	true
should_prefetch:	false
This is built with ToT (crrev.com/46d21233e6fd76a8b76952d3ac952f615e2d9c1a)

I still can't make heads or tails of this.  So frustrating. :-( I cannot repro it.  Everything in the about:omnibox output looks right.  Running a fresh top-of-tree build, I visited vsynctester.com a number of times in multiple tabs so that my visit counts match yours.  Typing "test" doesn't crash for me.  I tried getting the search string "test" into my search query history, and trying the same thing.  It still doesn't crash...  My about:omnibox output looks effectively identical to yours.

Can you manage to repro this on a fresh profile (not logged in, etc.)?  If so, please post the steps here.

Mergedinto: 542780
Owner: ----
Status: Duplicate (was: Assigned)
Summary: Bookmarked Search Results Page Can Lead to Missing Default Match Problems (was: DCheck in Omnibox)
When a fresh mind, I re-watched the video and think I know what's going on here.  Thanks for the report!

You have bookmarked a Google search page for the string "test".  This is being returned  from BookmarkProvider with a score of 970.  On the input "tes", Search provider is getting the suggestion for the search for "test" at a lower score.  (On my machine, it gets a score of 601.)  When you type the final "t", we have two identical matches, one from bookmarks provider (score 970) and one from search provider (score 601, used until the server suggest request returns).  All bookmarks provider results are not allowed to be the default match.  Yet, when we combine these two matches, the bookmark provider match wins because it scores higher.  Thus, we end up with a result set without a valid default match.

As such, this is a specific case of bug 542780.  Merging into there.

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