* [Bug 88861] [efi, i915, vgaswitcheroo, black screen, nouveau] Screen goes black when switching from dedicated nvidia graphics card (nouveau) to integrated
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@ 2016-01-17 9:53 ` bugzilla-daemon
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To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
Jani Nikula <jani.nikula@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|intel-gfx-bugs@lists.freede |dri-devel@lists.freedesktop
|sktop.org |.org
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
2016-01-17 9:53 ` [Bug 88861] [efi, i915, vgaswitcheroo, black screen, nouveau] Screen goes black when switching from dedicated nvidia graphics card (nouveau) to integrated bugzilla-daemon
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From: bugzilla-daemon @ 2016-01-19 19:44 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #9 from Lukas Wunner <lukas@wunner.de> ---
Hi Jani,
Paul Hordiienko, the reporter of this bug, successfully tested an earlier
version (v2) of the patch set, see the Tested-by: tags on these patches:
http://lists.freedesktop.org/archives/dri-devel/2015-August/thread.html#88156
The most recent version (v5) was tested on the following machines:
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
[MBP 5,3 2009 nvidia MCP79 + G96 pre-retina 15"]
Tested-by: William Brown <william@blackhats.net.au>
[MBP 8,2 2011 intel SNB + amd turks pre-retina 15"]
Tested-by: Lukas Wunner <lukas@wunner.de>
[MBP 9,1 2012 intel IVB + nvidia GK107 pre-retina 15"]
(The patches as posted miss the Tested-by: tags by Pierre and William since I
posted them before getting their feedback.)
The patch set worked just fine on my machine and William Brown's.
On Pierre Moreau's machine the discrete GPU locks up when woken. It used to do
that in the past as well but only after about 10 switches, now it's locking up
every time. My guess is that this is a regression in nouveau on the G96 since
it works fine on my GK107.
Paul Hordiienko's machine is an MBP 6,2 2010 with intel ILK + nvidia GT216. So
architecturally it is similar to my machine (integrated Intel and discrete
Nvidia) and since v2 worked fine, I expect that v5 would work as well (FWIW).
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
2016-01-17 9:53 ` [Bug 88861] [efi, i915, vgaswitcheroo, black screen, nouveau] Screen goes black when switching from dedicated nvidia graphics card (nouveau) to integrated bugzilla-daemon
2016-01-19 19:44 ` bugzilla-daemon
@ 2016-01-20 21:27 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-01-20 21:27 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #10 from Paul Hordiienko <pvt.gord@gmail.com> ---
Hi Lukas and Jani,
I have tested v5 and confirm that it works on my MBP 6,2 2010 without any
issues.
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From: bugzilla-daemon @ 2016-05-25 11:52 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |linux-kernel@lebenslange-ma
| |iladresse.de
--- Comment #11 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
The commit message for
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704ab614ec1201138032003c03113a81526638ab
refers back here. I have bisected that patch as the reason why Xorg on my
MacBook Pro 8,2 does not come up successfully with Linux 4.6. Reverting that
commit makes Xorg work again.
I boot Linux directly via rEFInd. I got the radeon xorg drivers installed, but
neither intel nor fbdev or kms.
Feel free to ask if any questions come up.
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
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From: bugzilla-daemon @ 2016-05-25 12:42 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #12 from Lukas Wunner <lukas@wunner.de> ---
Thanks for the report, Wilfried. Could you please create attachments with dmesg
output and Xorg output, both with and without this commit. Your kernel config
and Xorg config (if any) would also be helpful. Do you have anything special
configured in your Xorg config for the Intel card? Do you have any special
rEFInd features or extensions enabled which might change settings of the gmux
microcontroller?
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
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From: bugzilla-daemon @ 2016-05-25 20:33 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #13 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
Created attachment 217521
--> https://bugzilla.kernel.org/attachment.cgi?id=217521&action=edit
config of non-working Linux 4.6.0
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
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To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #14 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
Created attachment 217531
--> https://bugzilla.kernel.org/attachment.cgi?id=217531&action=edit
config of working Linux 4.6.0 (with commit reverted)
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From: bugzilla-daemon @ 2016-05-25 20:35 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #15 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
Created attachment 217541
--> https://bugzilla.kernel.org/attachment.cgi?id=217541&action=edit
kern.log / dmesg of non-working Linux 4.6.0
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
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From: bugzilla-daemon @ 2016-05-25 20:35 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #16 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
Created attachment 217551
--> https://bugzilla.kernel.org/attachment.cgi?id=217551&action=edit
kern.log / dmesg of working Linux 4.6.0 (commit reverted)
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
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From: bugzilla-daemon @ 2016-05-25 20:36 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #17 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
Created attachment 217561
--> https://bugzilla.kernel.org/attachment.cgi?id=217561&action=edit
Xorg.log on non-working Linux 4.6.0
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
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From: bugzilla-daemon @ 2016-05-25 20:36 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #18 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
Created attachment 217571
--> https://bugzilla.kernel.org/attachment.cgi?id=217571&action=edit
Xorg.log on working Linux 4.6.0 (commit reverted)
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
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From: bugzilla-daemon @ 2016-05-25 20:37 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #19 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
Created attachment 217581
--> https://bugzilla.kernel.org/attachment.cgi?id=217581&action=edit
refind_linux.conf of both cases
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
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From: bugzilla-daemon @ 2016-05-25 20:38 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #20 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
No Xorg config. Especially nothing special for intel or radeon. No special
rEFInd features. Files attached.
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From: bugzilla-daemon @ 2016-05-26 8:39 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #21 from Lukas Wunner <lukas@wunner.de> ---
If you revert 4eebd5a4e7269 ("apple-gmux: lock iGP IO to protect from vgaarb
changes") instead of 704ab614ec12, does the issue go away?
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4eebd5a4e7269
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[not found] <bug-88861-2300@https.bugzilla.kernel.org/>
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From: bugzilla-daemon @ 2016-05-26 16:04 UTC (permalink / raw)
To: dri-devel
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--- Comment #22 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
The issue goes away too, then. I don't currently see any difference to when I
reverted 704ab614ec12. Xorg comes up on boot like it also did with 4.5.4 (and
4.5.5).
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From: bugzilla-daemon @ 2016-05-28 10:07 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #23 from Lukas Wunner <lukas@wunner.de> ---
I've e-mailed Bruno Prémont, author of 4eebd5a4e7269, and cc'ed
platform-driver-x86:
http://www.spinics.net/lists/platform-driver-x86/msg08889.html
I've also cc'ed you but your e-mail address isn't working, please fix:
<linux-kernel@lebenslange-mailadresse.de>: host
mail.lebenslange-mailadresse.de[217.70.197.123] said: 550 Unrouteable address
(in reply to RCPT TO command)
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From: bugzilla-daemon @ 2016-05-28 19:40 UTC (permalink / raw)
To: dri-devel
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--- Comment #24 from Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> ---
Oops, fixed (and double-checked) that email issue. Thanks.
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From: bugzilla-daemon @ 2017-02-25 20:21 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #25 from Wilfried Klaebe (linux-kernel@lebenslange-mailadresse.de) ---
This issue is still there in Linux 4.10. Because I didn't manage to find this
bugzilla entry again I opened a new bug, #194697.
The status on this bug here is "NEEDINFO" - what kind of info is needed?
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From: bugzilla-daemon @ 2017-03-08 11:23 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #26 from Jani Nikula (jani.nikula@intel.com) ---
*** Bug 194697 has been marked as a duplicate of this bug. ***
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From: bugzilla-daemon @ 2017-03-29 8:42 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
Jani Nikula (jani.nikula@intel.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|Video(DRI - Intel) |Video(Other)
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From: bugzilla-daemon @ 2018-01-26 18:53 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=88861
--- Comment #27 from Wilfried Klaebe (linux-kernel@lebenslange-mailadresse.de) ---
Created attachment 273877
--> https://bugzilla.kernel.org/attachment.cgi?id=273877&action=edit
dmesg of logdep splat on 4.15-rc9 minus 4eebd5a4e726
logdep splat from Linux 4.15-rc9 with commit 4eebd5a4e726 reverted.
The splat occurred after echoing first "DIS", then "OFF" into
/sys/kernel/debug/vgaswitcheroo/switch. The "switched off" in the first line
likely is from drivers/gpu/drm/i915/i915_drv.c:584,
i915_switcheroo_set_state().
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