* [Bug 104672] [NVAC] Compiz segfaults on login on Ubuntu 17.10 with Unity 7 (kernel DRM bug?)
[not found] ` <bug-104672-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
@ 2018-01-17 9:19 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-01-17 10:21 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2018-01-17 9:19 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=104672
Pierre Moreau <pierre.morrow-GANU6spQydw@public.gmane.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
--- Comment #1 from Pierre Moreau <pierre.morrow-GANU6spQydw@public.gmane.org> ---
Could you please provide the output of dmesg after the segfault, as well as the
X logs (/var/log/Xorg.0.log, or wherever it is on your computer)?
If you could bisect the kernel between 4.14.13 and 4.15-rc8, that would be
awesome (for example, running `git bisect start --term-good=v4.14
--term-bad=v4.15-rc8 -- drivers/gpu/drm/nouveau`, see ). I’ll try to give
4.15-rc8 a spin on my laptop tonight.
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^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug 104672] [NVAC] Compiz segfaults on login on Ubuntu 17.10 with Unity 7 (kernel DRM bug?)
[not found] ` <bug-104672-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2018-01-17 9:19 ` [Bug 104672] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2018-01-17 10:21 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-01-17 11:31 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2018-01-17 10:21 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=104672
--- Comment #2 from Rui Salvaterra <rsalvaterra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
(In reply to Pierre Moreau from comment #1)
> Could you please provide the output of dmesg after the segfault, as well as
> the X logs (/var/log/Xorg.0.log, or wherever it is on your computer)?
Sure, later today (as of now I only have ssh access to the machine).
> If you could bisect the kernel between 4.14.13 and 4.15-rc8, that would be
> awesome (for example, running `git bisect start --term-good=v4.14
> --term-bad=v4.15-rc8 -- drivers/gpu/drm/nouveau`, see ). I’ll try to give
> 4.15-rc8 a spin on my laptop tonight.
I've never done a git bisection before (and I don't have the toolchain
installed, this is - was, now that all hell broke loose with Meltdown and
friends - a computer with very limited use), but I wager it's going to be
painful to do kernel compiles on an Atom 330… I may try to do so on the
weekend, but no promises. :(
Actually, I just reported this now because I was expecting this error to be
found by someone else, being so obvious. :P It's happening since 4.15-rc1 (the
first release I tested after the merge window).
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^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug 104672] [NVAC] Compiz segfaults on login on Ubuntu 17.10 with Unity 7 (kernel DRM bug?)
[not found] ` <bug-104672-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2018-01-17 9:19 ` [Bug 104672] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-01-17 10:21 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2018-01-17 11:31 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-01-17 21:32 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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8 siblings, 0 replies; 10+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2018-01-17 11:31 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=104672
--- Comment #3 from Rui Salvaterra <rsalvaterra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Created attachment 136805
--> https://bugs.freedesktop.org/attachment.cgi?id=136805&action=edit
Xorg log
So I managed to configure lightdm for logging in automatically. This is what I
got on the dmesg:
[ 40.419929] compiz[912]: segfault at 1a ip 00007f77455ef1e8 sp
00007ffd41c1fba0 error 4 in nouveau_dri.so[7f77453a9000+a86000]
Xorg log attached.
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^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug 104672] [NVAC] Compiz segfaults on login on Ubuntu 17.10 with Unity 7 (kernel DRM bug?)
[not found] ` <bug-104672-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
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2018-01-17 11:31 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2018-01-17 21:32 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-01-17 21:57 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2018-01-17 21:32 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=104672
--- Comment #4 from Pierre Moreau <pierre.morrow-GANU6spQydw@public.gmane.org> ---
Created attachment 136815
--> https://bugs.freedesktop.org/attachment.cgi?id=136815&action=edit
Kernel logs with 4.15
4.15 is indeed broken on NVAC on my laptop as well (see the kernel logs
attached); I am going to run a bisect.
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^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug 104672] [NVAC] Compiz segfaults on login on Ubuntu 17.10 with Unity 7 (kernel DRM bug?)
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2018-01-17 21:32 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2018-01-17 21:57 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-01-19 1:35 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2018-01-17 21:57 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=104672
Pierre Moreau <pierre.morrow-GANU6spQydw@public.gmane.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |ASSIGNED
--- Comment #5 from Pierre Moreau <pierre.morrow-GANU6spQydw@public.gmane.org> ---
Turns out I had an additional issue, but I think I now see the same issue as
you do, with a segfault in nouveau_dri.so when starting sddm.
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^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug 104672] [NVAC] Compiz segfaults on login on Ubuntu 17.10 with Unity 7 (kernel DRM bug?)
[not found] ` <bug-104672-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
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2018-01-17 21:57 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2018-01-19 1:35 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-01-19 7:55 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2018-01-19 1:35 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=104672
--- Comment #6 from Pierre Moreau <pierre.morrow-GANU6spQydw@public.gmane.org> ---
Created attachment 136840
--> https://bugs.freedesktop.org/attachment.cgi?id=136840&action=edit
Tentative patch
The following patch from Ben Skeggs fixes it for me, hopefully that should also
be the case on your laptop.
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^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug 104672] [NVAC] Compiz segfaults on login on Ubuntu 17.10 with Unity 7 (kernel DRM bug?)
[not found] ` <bug-104672-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (5 preceding siblings ...)
2018-01-19 1:35 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2018-01-19 7:55 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-01-20 19:07 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-01-21 17:07 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
8 siblings, 0 replies; 10+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2018-01-19 7:55 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=104672
--- Comment #7 from Rui Salvaterra <rsalvaterra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
(In reply to Pierre Moreau from comment #6)
> Created attachment 136840 [details] [review]
> Tentative patch
>
> The following patch from Ben Skeggs fixes it for me, hopefully that should
> also be the case on your laptop.
Great, thanks a lot for the quick turnaround! :) It's actually a desktop
machine, I'll give it a spin as soon as the patch hits the mainline (hopefully
today, I saw it's part of the last DRM fixes pull request).
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^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug 104672] [NVAC] Compiz segfaults on login on Ubuntu 17.10 with Unity 7 (kernel DRM bug?)
[not found] ` <bug-104672-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (6 preceding siblings ...)
2018-01-19 7:55 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2018-01-20 19:07 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-01-21 17:07 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
8 siblings, 0 replies; 10+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2018-01-20 19:07 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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https://bugs.freedesktop.org/show_bug.cgi?id=104672
--- Comment #8 from Rui Salvaterra <rsalvaterra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
I can confirm it's also fixed on my side, as expected. (I have Chrome's GPU
process crashing, but that's an unrelated issue, since it also happens with
Linux 4.14.13.) Thanks a lot! :)
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^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug 104672] [NVAC] Compiz segfaults on login on Ubuntu 17.10 with Unity 7 (kernel DRM bug?)
[not found] ` <bug-104672-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
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2018-01-20 19:07 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2018-01-21 17:07 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
8 siblings, 0 replies; 10+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2018-01-21 17:07 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=104672
Pierre Moreau <pierre.morrow-GANU6spQydw@public.gmane.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #9 from Pierre Moreau <pierre.morrow-GANU6spQydw@public.gmane.org> ---
Awesome! I saw the fixes in Linus’ tree, and since 4.15 hasn’t been tagged yet,
the fixes will be part of the initial release of 4.15.
Thank you for reporting the bug and trying out the patch! :-)
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