* [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed
2016-09-24 20:12 [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed bugzilla-daemon
@ 2016-09-25 3:20 ` bugzilla-daemon
2016-09-25 3:24 ` bugzilla-daemon
` (6 subsequent siblings)
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From: bugzilla-daemon @ 2016-09-25 3:20 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97917
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |77449
Keywords| |regression
--- Comment #1 from Vedran Miletić <vedran@miletic.net> ---
6037e199c8a061b2e9cb22c434644a0eac659fb9 is the first bad commit
commit 6037e199c8a061b2e9cb22c434644a0eac659fb9
Author: Duncan P. N. Exon Smith <dexonsmith@apple.com>
Date: Sun Sep 11 16:38:18 2016 +0000
CodeGen: Turn on sentinel tracking for MachineInstr iterators
This is a prep commit before fixing MachineBasicBlock::reverse_iterator
invalidation semantics, ala r281167 for ilist::reverse_iterator. This
changes MachineBasicBlock::Instructions to track which node is the
sentinel regardless of LLVM_ENABLE_ABI_BREAKING_CHECKS.
There's almost no functionality change (aside from ABI). However, in
the rare configuration:
#if !defined(NDEBUG) && !defined(LLVM_ENABLE_ABI_BREAKING_CHECKS)
the isKnownSentinel() assertions in ilist_iterator<>::operator* suddenly
have teeth for MachineInstr. If these assertions start firing for your
out-of-tree backend, have a look at the suggestions in the commit
message for r279314, and at some of the commits leading up to it that
avoid dereferencing the end() iterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281168
91177308-0d34-0410-b5e6-96231b3b80d8
Referenced Bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=77449
[Bug 77449] Tracker bug for all bugs related to Steam titles
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed
2016-09-24 20:12 [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed bugzilla-daemon
2016-09-25 3:20 ` bugzilla-daemon
@ 2016-09-25 3:24 ` bugzilla-daemon
2016-09-25 9:37 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-09-25 3:24 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97917
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
URL| |https://llvm.org/bugs/show_
| |bug.cgi?id=30514
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed
2016-09-24 20:12 [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed bugzilla-daemon
2016-09-25 3:20 ` bugzilla-daemon
2016-09-25 3:24 ` bugzilla-daemon
@ 2016-09-25 9:37 ` bugzilla-daemon
2016-09-26 19:04 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-09-25 9:37 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97917
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |bisected
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed
2016-09-24 20:12 [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed bugzilla-daemon
` (2 preceding siblings ...)
2016-09-25 9:37 ` bugzilla-daemon
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2016-09-27 21:34 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-09-26 19:04 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97917
--- Comment #2 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Hi Vedran, please provide the output with R600_DEBUG=vs,tcs,tes,gs,ps,cs. From
there, it should be possible to extract the crashing shader.
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed
2016-09-24 20:12 [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed bugzilla-daemon
` (3 preceding siblings ...)
2016-09-26 19:04 ` bugzilla-daemon
@ 2016-09-27 21:34 ` bugzilla-daemon
2016-09-27 21:40 ` [Bug 97917] Enabling sisched " bugzilla-daemon
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From: bugzilla-daemon @ 2016-09-27 21:34 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97917
--- Comment #3 from Vedran Miletić <vedran@miletic.net> ---
Created attachment 126816
--> https://bugs.freedesktop.org/attachment.cgi?id=126816&action=edit
Dump with R600_DEBUG=vs,tcs,tes,gs,ps,cs,sisched
Interesting, doesn't crash without sisched. With
R600_DEBUG=vs,tcs,tes,gs,ps,cs,sisched I get the following.
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug 97917] Enabling sisched gives Assertion `!NodePtr->isKnownSentinel()' failed
2016-09-24 20:12 [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed bugzilla-daemon
` (4 preceding siblings ...)
2016-09-27 21:34 ` bugzilla-daemon
@ 2016-09-27 21:40 ` bugzilla-daemon
2016-09-28 10:31 ` bugzilla-daemon
2017-01-25 19:41 ` bugzilla-daemon
7 siblings, 0 replies; 9+ messages in thread
From: bugzilla-daemon @ 2016-09-27 21:40 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97917
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Talos Principle gives |Enabling sisched gives
|Assertion |Assertion
|`!NodePtr->isKnownSentinel( |`!NodePtr->isKnownSentinel(
|)' failed |)' failed
Blocks|77449 |
--- Comment #4 from Vedran Miletić <vedran@miletic.net> ---
Reproducible with glxgears, not Talos-specific.
Referenced Bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=77449
[Bug 77449] Tracker bug for all bugs related to Steam titles
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug 97917] Enabling sisched gives Assertion `!NodePtr->isKnownSentinel()' failed
2016-09-24 20:12 [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed bugzilla-daemon
` (5 preceding siblings ...)
2016-09-27 21:40 ` [Bug 97917] Enabling sisched " bugzilla-daemon
@ 2016-09-28 10:31 ` bugzilla-daemon
2017-01-25 19:41 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-09-28 10:31 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97917
--- Comment #5 from Nicolai Hähnle <nhaehnle@gmail.com> ---
I suspect sisched needs to be updated for recent changes in LLVM to the control
flow lowering. Trying to ping Axel Davy...
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug 97917] Enabling sisched gives Assertion `!NodePtr->isKnownSentinel()' failed
2016-09-24 20:12 [Bug 97917] Talos Principle gives Assertion `!NodePtr->isKnownSentinel()' failed bugzilla-daemon
` (6 preceding siblings ...)
2016-09-28 10:31 ` bugzilla-daemon
@ 2017-01-25 19:41 ` bugzilla-daemon
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From: bugzilla-daemon @ 2017-01-25 19:41 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97917
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from Vedran Miletić <vedran@miletic.net> ---
Fixed by https://reviews.llvm.org/D27844 LLVM r290347
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