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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 207383] [Regression] 5.7 amdgpu/polaris11 gpf: amdgpu_atomic_commit_tail
Date: Wed, 08 Jul 2020 00:25:09 +0000
Message-ID: <bug-207383-2300-Wnw689Z73u@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-207383-2300@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=207383

--- Comment #48 from Duncan (1i5t5.duncan@cox.net) ---
(In reply to Duncan from comment #47)
> > [I]dea to just try patch-reverting them on top of
> > 5.7 or current 5.8-rc, thus eliminating the apparently unrelated
> > kernel-panics I''ve twice triggered at the current bisect step.
> 
> So I tried this with the 11 above commits against
> 5.8.0-rc4-00025-gbfe91da29, which previously tested as triggering the freeze
> for me.  Of the 11, nine clean-reversed and I simply noted and skipped the
> other two (3202fa62f and 630f289b7) for the moment.  The patched kernel
> successfully built and I'm booted to it now.

Bah, humbug!  Got a freeze and the infamous logged trace on that too!  I was
hoping to demonstrably prove it to be in those nine!  I proved it *NOT* to be!

Well, there's still the two commits to look at that wouldn't cleanly
simple-revert.  Maybe I'll get lucky and it's just an ordering thing, since I
applied out of order compared to original commit, and they'll simple-revert on
top of the others.  Otherwise I'll have to actually look and see if I can make
sense of it and manual revert, maybe/maybe-not for a non-coder, or try on 5.7
instead of 5.8-rc.

If not them, maybe I'll just have to declare defeat on the bisect and hope for
a fix without that.  Last resort there's the buy-my-way-out solution, tho of
course that leaves others without that option in a bind.  But given the hours
I've put into this (that I've only been able to thanks to COVID work
suspension), at some point you just gotta cut your losses and declare defeat
defeat.

But we're not there yet.  There's still the two to look at first, and the
middle-ground 5.7 to try all 11 against.  Hopefully...

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Thread overview: 121+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-21  9:51 [Bug 207383] New: [Regression] 5.7-rc: " bugzilla-daemon
2020-04-21  9:57 ` [Bug 207383] " bugzilla-daemon
2020-04-21 10:04 ` bugzilla-daemon
2020-04-23  4:59 ` bugzilla-daemon
2020-04-27 19:24 ` bugzilla-daemon
2020-04-27 19:42 ` bugzilla-daemon
2020-04-27 19:43 ` bugzilla-daemon
2020-05-01  8:20 ` bugzilla-daemon
2020-05-01  8:28 ` bugzilla-daemon
2020-05-02 16:03 ` bugzilla-daemon
2020-05-03 15:10 ` bugzilla-daemon
2020-05-05  4:23 ` bugzilla-daemon
2020-05-06 17:46 ` bugzilla-daemon
2020-05-06 22:06 ` bugzilla-daemon
2020-06-03  0:04 ` [Bug 207383] [Regression] 5.7 " bugzilla-daemon
2020-06-21  7:01 ` bugzilla-daemon
2020-06-22 15:20 ` bugzilla-daemon
2020-06-22 17:44 ` bugzilla-daemon
2020-06-22 17:57 ` bugzilla-daemon
2020-06-22 19:36 ` bugzilla-daemon
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