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Subject: [Bug 205527] radeonKMS silent reboot @r292637
Date: Thu, 24 Dec 2015 08:06:47 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D205527

--- Comment #9 from Jean-S=C3=A9bastien P=C3=A9dron <dumbbell@FreeBSD.org> =
---
You could lookup the failing commit by dichotomy with Subversion too; this =
is
what "git bisect" does.

The problem is in the kernel, so you can prepare the initial list of commit=
s to
test using "svn log" in sys/ to get all the revisions between r292000 and
r292637 (the commits known to be good and bad).

Now, test the commit in the middle of this list, let's say r292xxx. If it
fails, test the next commit in the middle between r292000 and r292xxx,
otherwise, test the commit in the middle between r292xxx and 292637, and so=
 on.

Between those two revisions, there were two changes to TTM, the memory mana=
ger
for Radeon (r292373 and r292469). I don't know if they could be the culprit=
. If
you want to test them first, try those and the revisions before.

I'm not sure what to suggest otherwise.

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