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Created attachment 8900800 [details] Screenshot This is a regression, the range is 2017-08-23 to 2017-08-24. Environment: Windows 10 x86 Latest Nightly (2017-08-24) STR: 1. Open many tabs, so the tab strip would be overflowing 2. Observe the surronding area of the '<' and the '>' button on the tab strip AR: If the tab strip is NOT scrolled to the very start/end, you'd be able to see a vercial line artifact about ~1cm close to the '<' and the '>' button. ER: It shouldn't exist. 2017-08-24T19:12:33: DEBUG : Using url: https://hg.mozilla.org/integration/autoland/json-pushes?changeset=b07dea0e4ffd7f0000ec4029943bebcf91e7ffc2&full=1 2017-08-24T19:12:35: DEBUG : Found commit message: Bug 1341102: Revendor rust dependencies. r=me On a CLOSED TREE MozReview-Commit-ID: BoEbixf4mIK 2017-08-24T19:12:35: INFO : The bisection is done. 2017-08-24T19:12:35: INFO : Stopped See attached.
5 months ago
I doubt this can be done by that commit. That commit unbusted the build, so we should probably look at the few ones that landed right before, between that and the relevant servo PR.
No longer blocks: 1341102
Component: Tabbed Browser → Untriaged
Product: Firefox → Core
Summary: Vercial line artifact when the tab strip is overflowing → Vertical line artifact when the tab strip is overflowing
Sometimes such kind of lines are caused by a graphics bug, but Bug 1392622 may also be related.
Component: Untriaged → Tabbed Browser
Product: Core → Firefox
See Also: → bug 1392622
(In reply to Kohei Yoshino [:kohei] from comment #2) > Sometimes such kind of lines are caused by a graphics bug, but Bug 1392622 > may also be related. Unlikely since we stopped having curvy tabs that have multiple parts. Why did you put this back in Tabbed Browser? We just don't know what's causing this, but given that the artifacts appear next to the scroll button shadow, I'm pretty ready to bet there's just a graphics/layout-related issue. But as long as we don't know, it should just live in untriaged. ItielMaN, can you try again to find a regression window?
Component: Tabbed Browser → Untriaged
@kohei: This isn't RTL-only bug. It's reproducible also on LTR builds. (In reply to :Gijs (out until Sep 1, expect no replies to requests) from comment #3) > ItielMaN, can you try again to find a regression window? Tried that already twice before I opened this bug (since the commit didn't seem to be related to the bug) but I got the same results. Anyway, I've tried finding again a regression window, and the same commit appeared as the culprit.
User Agent: Mozilla/5.0 (Windows NT 10.0; rv:57.0) Gecko/20100101 Firefox/57.0 Version: 57.0a1, Build ID: 20170904220027 Hello, I have tested your issue on latest Nightly build and could not reproduce it. I have opened multiple tabs, and at the surrounding area of the "<" and the ">", that vertical line artifact didn't appear . Do you have any Firefox Theme installed or do you have a custom Windows Theme? Also, can you please retest this using a new clean Firefox profile, maybe even safe mode, to eliminate custom settings as a possible cause (https://goo.gl/AR5o9d) and report back the results?
(In reply to Cristina Badescu from comment #5) > User Agent: Mozilla/5.0 (Windows NT 10.0; rv:57.0) Gecko/20100101 > Firefox/57.0 > Version: 57.0a1, Build ID: 20170904220027 > > Hello, > > I have tested your issue on latest Nightly build and could not reproduce it. > I have opened multiple tabs, and at the surrounding area of the "<" and the > ">", that vertical line artifact didn't appear . > > Do you have any Firefox Theme installed or do you have a custom Windows > Theme? > Also, can you please retest this using a new clean Firefox profile, maybe > even safe mode, to eliminate custom settings as a possible cause > (https://goo.gl/AR5o9d) and report back the results? The regression window reported in comment 0 was taken from Mozregression using a clean profile each time. Nightly theme is the default one. Windows 10 x86 theme is normal, blue-colored (as it can be seen in the attached screenshot). If it matters, the monitor is 24", 150% DPI, resolution set to 1920x1080.
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0 Firefox: 57.0a1; Build ID: 20170905100117 Hello, I managed to reproduce the issue on latest Nightly, using 150% DPI and resolution set to 1920x1080. I've ran a mozregression to find the bug that causes this. Here are the results: Last good revision: e2707fdbeb05ec6eae648757b71efca49b0eaa4f First bad revision: b07dea0e4ffd7f0000ec4029943bebcf91e7ffc2 Pushlog: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=e2707fdbeb05ec6eae648757b71efca49b0eaa4f&tochange=b07dea0e4ffd7f0000ec4029943bebcf91e7ffc2 Dao, can you please take a look here and see if the results are related? I think this bug #1391743 might be related.
status-firefox55: --- → unaffected
status-firefox56: --- → affected
status-firefox-esr52: --- → unaffected
Component: Untriaged → Theme
The problem here is that the CSS border and background scale differently.
Assignee: nobody → dao+bmo
Status: NEW → ASSIGNED
Priority: P3 → P1
This bug is reproducible also at 125% and 175%.
Comment on attachment 8904983 [details] Bug 1393505 - Prevent the overflow indicator background from repeating when it doesn't fill the whole element due to the border scaling differently. https://reviewboard.mozilla.org/r/176824/#review181918 Sorry took a while to reproduce, looks good thanks
Attachment #8904983 - Flags: review?(dharvey) → review+
Pushed by firstname.lastname@example.org: https://hg.mozilla.org/integration/autoland/rev/3b0e6ed5b2a0 Prevent the overflow indicator background from repeating when it doesn't fill the whole element due to the border scaling differently. r=daleharvey
Status: ASSIGNED → RESOLVED
Last Resolved: 4 months ago
status-firefox57: --- → fixed
Resolution: --- → FIXED
Target Milestone: --- → Firefox 57
Verified fixed on tested 125%, 150% and 175% DPI.
Status: RESOLVED → VERIFIED
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