61702 2011-05-29 01:28:04 -0700 REGRESSION(r87566): It made all tests assert on Qt in debug mode (Requested by Ossy_weekend on #webkit). 2011-05-29 14:33:01 -0700 1 1 1 Unclassified WebKit Page Loading 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 webkit.review.bot webkit.review.bot beidson commit-queue darin ossy oldest_to_newest 411949 0 webkit.review.bot 2011-05-29 01:28:04 -0700 http://trac.webkit.org/changeset/87566 broke the build: It made all tests assert on Qt in debug mode (Requested by Ossy_weekend on #webkit). This is an automatic bug report generated by the sheriff-bot. If this bug report was created because of a flaky test, please file a bug for the flaky test (if we don't already have one on file) and dup this bug against that bug so that we can track how often these flaky tests case pain. "Only you can prevent forest fires." -- Smokey the Bear 411950 1 95283 webkit.review.bot 2011-05-29 01:28:24 -0700 Created attachment 95283 ROLLOUT of r87566 Any committer can land this patch automatically by marking it commit-queue+. The commit-queue will build and test the patch before landing to ensure that the rollout will be successful. This process takes approximately 15 minutes. If you would like to land the rollout faster, you can use the following command: webkit-patch land-attachment ATTACHMENT_ID --ignore-builders where ATTACHMENT_ID is the ID of this attachment. 411951 2 95283 commit-queue 2011-05-29 01:30:47 -0700 Comment on attachment 95283 ROLLOUT of r87566 Clearing flags on attachment: 95283 Committed r87635: <http://trac.webkit.org/changeset/87635> 411952 3 commit-queue 2011-05-29 01:30:52 -0700 All reviewed patches have been landed. Closing bug. 411968 4 beidson 2011-05-29 08:41:38 -0700 This entirely automatically managed bug is void of important information. Such as, what were the ASSERTs? Where are the backtraces? Were they in Qt WebKit, and not in WebCore? If they were in Qt WebKit, then Qt WebKit needs to fix their stuff. This change is was sound on other platforms, and Qt just reverted WebCore to a very crashy state for all platforms. 411969 5 beidson 2011-05-29 08:48:43 -0700 On build.webkit.org I could only find one public facing Qt build bot that is a debug bot: http://build.webkit.org/builders/Qt%20Windows%2032-bit%20Debug And it did not show these ASSERTs during layout tests. Can someone point me to the public-facing bot that showed these ASSERTs? Can someone point me to the backtraces or ASSERTs that actually occurred? I'm going to roll this back in later today if no one gets back to me on this. 411977 6 beidson 2011-05-29 10:11:16 -0700 The comment in https://bugs.webkit.org/show_bug.cgi?id=61494 that described the issue said simply: ASSERTION FAILED: documentLoader ../../../Source/WebCore/dom/Document.cpp(4521) : void WebCore::Document::initSecurityContext() -The comment above that ASSERT is true, and the ASSERT should still be valid. That it always fires in Qt WebKit is indicative of a bug in Qt WebKit! -A full backtrace would be much more useful in enabling non-Qt folks help figure out what is wrong. 412022 7 95299 ossy 2011-05-29 14:14:59 -0700 Created attachment 95299 gdb backtrace for Qt assertion 412023 8 darin 2011-05-29 14:17:59 -0700 (In reply to comment #6) > ASSERTION FAILED: documentLoader > ../../../Source/WebCore/dom/Document.cpp(4521) : void WebCore::Document::initSecurityContext() > > -The comment above that ASSERT is true, and the ASSERT should still be valid. That it always fires in Qt WebKit is indicative of a bug in Qt WebKit! No, I don’t think the comment is true. The comment assumes that any document in a Frame will have a document loader. But a document created with the DOM does not have one. I think the assertion is wrong. 412031 9 beidson 2011-05-29 14:30:24 -0700 (In reply to comment #8) > (In reply to comment #6) > > ASSERTION FAILED: documentLoader > > ../../../Source/WebCore/dom/Document.cpp(4521) : void WebCore::Document::initSecurityContext() > > > > -The comment above that ASSERT is true, and the ASSERT should still be valid. That it always fires in Qt WebKit is indicative of a bug in Qt WebKit! > > No, I don’t think the comment is true. > > The comment assumes that any document in a Frame will have a document loader. But a document created with the DOM does not have one. > > I think the assertion is wrong. With the full backtrace, it was easy to see that alternate possibility! Thanks to Csaba for providing that. It seems bizarre that Qt WebKit follows this code path but no other WebKits apparently do. Maybe all of the "since we're in a frame, we should have a document loader" asserts are wrong. 412034 10 ossy 2011-05-29 14:33:01 -0700 (In reply to comment #5) > Can someone point me to the public-facing bot that showed these ASSERTs? We have debug buildbots here: http://build.webkit.sed.hu/waterfall They weren't so stable to add them to build.webkit.org, but nowadays they are quite stable and green. It would be helpful to add a 32 and a 64 bit debug Qt tester bot to build.webkit.org. I think we can do it in this week. > Can someone point me to the backtraces or ASSERTs that actually occurred? Done. 95283 2011-05-29 01:28:24 -0700 2011-05-29 01:30:47 -0700 ROLLOUT of r87566 bug-61702-20110529082724.patch text/plain 10004 webkit.review.bot U3VidmVyc2lvbiBSZXZpc2lvbjogODc2MzQKZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJDb3JlL0No YW5nZUxvZyBiL1NvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZwppbmRleCBhOTMyZWVmZmYzYjEwZWRl ZWIyNTE4YmVmMDllOTJhYzEwZGMzNmVlLi4yYTQ3M2U4YmE2Yzg0MThlNTU0MzBmZDBhOWFkMzM0 N2ZjNTdhNmY3IDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKKysrIGIvU291 cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMzEgQEAKKzIwMTEtMDUtMjkgIFNoZXJp ZmYgQm90ICA8d2Via2l0LnJldmlldy5ib3RAZ21haWwuY29tPgorCisgICAgICAgIFVucmV2aWV3 ZWQsIHJvbGxpbmcgb3V0IHI4NzU2Ni4KKyAgICAgICAgaHR0cDovL3RyYWMud2Via2l0Lm9yZy9j aGFuZ2VzZXQvODc1NjYKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcu Y2dpP2lkPTYxNzAyCisKKyAgICAgICAgSXQgbWFkZSBhbGwgdGVzdHMgYXNzZXJ0IG9uIFF0IGlu IGRlYnVnIG1vZGUgKFJlcXVlc3RlZCBieQorICAgICAgICBPc3N5X3dlZWtlbmQgb24gI3dlYmtp dCkuCisKKyAgICAgICAgKiBXZWJDb3JlLmV4cC5pbjoKKyAgICAgICAgKiBiaW5kaW5ncy9TY3Jp 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