* [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
@ 2018-05-08 9:09 bugzilla-daemon
2018-05-08 9:10 ` [Bug 199653] " bugzilla-daemon
` (10 more replies)
0 siblings, 11 replies; 12+ messages in thread
From: bugzilla-daemon @ 2018-05-08 9:09 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
Bug ID: 199653
Summary: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer
dereference (trace decoded)
Product: Drivers
Version: 2.5
Kernel Version: drm-next-4.18-wip (agd5f, AMDGPU)
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: marcus.husar@gmail.com
Regression: No
Created attachment 275827
--> https://bugzilla.kernel.org/attachment.cgi?id=275827&action=edit
Call trace of crash decoded with decode_stacktrace.sh
kernel: BUG: unable to handle kernel NULL pointer dereference at
00000000000002e4
This happens multiple times a day on my machine. It leads to a complete system
freeze. Yesterday I was lucky and got a stack trace.
It mostly happens browsing the web with Firefox (WebRender enabled, XWayland,
Gnome-Shell) when the cursor moves or rotates. But it can happen anywhere and
anytime.
The used kernel is from branch drm-next-4.18-wip@92fb374 of Alex Deucher, AMD
(agd5f). See: git://people.freedesktop.org/~agd5f/linux.
My machine:
* Hardware name: Acer Swift SF315-41/Becks_RR, BIOS V1.04 01/09/2018
* Ryzen Mobile 2500U
* Firmware: VCN: 1.73 (latest available version)
* My kernel is tainted because the i2c designware driver emits a warning
during
boot. This should be unrelated to AMDGPU
(see attachment i2c_designware_trace.txt).
Please ask if anything else is needed.
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
@ 2018-05-08 9:10 ` bugzilla-daemon
2018-05-08 9:13 ` bugzilla-daemon
` (9 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: bugzilla-daemon @ 2018-05-08 9:10 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
--- Comment #1 from Marcus Husar (marcus.husar@gmail.com) ---
Created attachment 275829
--> https://bugzilla.kernel.org/attachment.cgi?id=275829&action=edit
Original call trace of crash
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
2018-05-08 9:10 ` [Bug 199653] " bugzilla-daemon
@ 2018-05-08 9:13 ` bugzilla-daemon
2018-05-08 9:13 ` bugzilla-daemon
` (8 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: bugzilla-daemon @ 2018-05-08 9:13 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
--- Comment #2 from Marcus Husar (marcus.husar@gmail.com) ---
Created attachment 275831
--> https://bugzilla.kernel.org/attachment.cgi?id=275831&action=edit
Journal log with amdgpu.dc_log=1 drm.debug=6
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
2018-05-08 9:10 ` [Bug 199653] " bugzilla-daemon
2018-05-08 9:13 ` bugzilla-daemon
@ 2018-05-08 9:13 ` bugzilla-daemon
2018-05-29 12:25 ` bugzilla-daemon
` (7 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: bugzilla-daemon @ 2018-05-08 9:13 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
--- Comment #3 from Marcus Husar (marcus.husar@gmail.com) ---
Created attachment 275833
--> https://bugzilla.kernel.org/attachment.cgi?id=275833&action=edit
Call trace of i2c designware warning (taints kernel)
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
` (2 preceding siblings ...)
2018-05-08 9:13 ` bugzilla-daemon
@ 2018-05-29 12:25 ` bugzilla-daemon
2018-06-16 16:30 ` bugzilla-daemon
` (6 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: bugzilla-daemon @ 2018-05-29 12:25 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
James Le Cuirot (chewi@gentoo.org) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |chewi@gentoo.org
--- Comment #4 from James Le Cuirot (chewi@gentoo.org) ---
I have almost exactly the same hardware but the Ryzen 7 (2700U) version. I also
get multiple daily freezes. Many thanks for the additional info, I never
managed to get any. I did try kdump but it never triggers, even when forcing a
kernel panic. I'm now running OpenSUSE 15.0 with kernels from the "stable"
repository (currently 4.16.12-1.g39c7522) and recent Mesa 18.2 prerelease
builds.
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
` (3 preceding siblings ...)
2018-05-29 12:25 ` bugzilla-daemon
@ 2018-06-16 16:30 ` bugzilla-daemon
2018-06-16 18:23 ` bugzilla-daemon
` (5 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: bugzilla-daemon @ 2018-06-16 16:30 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
--- Comment #5 from James Le Cuirot (chewi@gentoo.org) ---
After seeing amdgpu.vm_update_mode=3 mentioned in bug #199749, I tried it but
it didn't help.
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
` (4 preceding siblings ...)
2018-06-16 16:30 ` bugzilla-daemon
@ 2018-06-16 18:23 ` bugzilla-daemon
2018-06-20 19:57 ` bugzilla-daemon
` (4 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: bugzilla-daemon @ 2018-06-16 18:23 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
Andrey Grodzovsky (andrey.grodzovsky@amd.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |andrey.grodzovsky@amd.com
--- Comment #6 from Andrey Grodzovsky (andrey.grodzovsky@amd.com) ---
Those two are unrelated bugs.
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
` (5 preceding siblings ...)
2018-06-16 18:23 ` bugzilla-daemon
@ 2018-06-20 19:57 ` bugzilla-daemon
2018-07-13 20:03 ` bugzilla-daemon
` (3 subsequent siblings)
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From: bugzilla-daemon @ 2018-06-20 19:57 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
--- Comment #7 from James Le Cuirot (chewi@gentoo.org) ---
I had high hopes for 4.18-rc1 but alas it froze after a few hours. :( I know
having the latest firmware is important so I have that too. These OpenSUSE
packages (some unofficial) are installed:
kernel-default-4.18.rc1-1.1.gfa9e020
kernel-firmware-20180606-35.1
libdrm2-2.4.99~git20180511-lp150.1.1
Mesa-18.2.0~git20180619-lp150.16.1
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
` (6 preceding siblings ...)
2018-06-20 19:57 ` bugzilla-daemon
@ 2018-07-13 20:03 ` bugzilla-daemon
2018-08-06 10:33 ` bugzilla-daemon
` (2 subsequent siblings)
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From: bugzilla-daemon @ 2018-07-13 20:03 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
--- Comment #8 from James Le Cuirot (chewi@gentoo.org) ---
OP also filed a freedesktop.org bug report with more information.
https://bugs.freedesktop.org/104817
Still the same with 4.18-rc4. :(
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
` (7 preceding siblings ...)
2018-07-13 20:03 ` bugzilla-daemon
@ 2018-08-06 10:33 ` bugzilla-daemon
2018-08-06 11:05 ` bugzilla-daemon
2018-08-17 11:37 ` bugzilla-daemon
10 siblings, 0 replies; 12+ messages in thread
From: bugzilla-daemon @ 2018-08-06 10:33 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
--- Comment #9 from Marcus Husar (marcus.husar@gmail.com) ---
From the freedesktop.org bug:
It seems to me that this is in fact a CPU related problem. Since July 25 I
don’t have any problems. My system is pretty stable. What helped was to add
idle=nomwait to my GRUB command line. This has fixed those problems for me.
Please try to add idle=nomwait to your GRUB command line. I think this bug can
be closed.
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
` (8 preceding siblings ...)
2018-08-06 10:33 ` bugzilla-daemon
@ 2018-08-06 11:05 ` bugzilla-daemon
2018-08-17 11:37 ` bugzilla-daemon
10 siblings, 0 replies; 12+ messages in thread
From: bugzilla-daemon @ 2018-08-06 11:05 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
--- Comment #10 from James Le Cuirot (chewi@gentoo.org) ---
I added idle=nomwait recently and that has fixed it for me too. I thought I had
already tried this, not sure, but perhaps there were two issues and the other
has since been fixed.
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* [Bug 199653] [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded)
2018-05-08 9:09 [Bug 199653] New: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer dereference (trace decoded) bugzilla-daemon
` (9 preceding siblings ...)
2018-08-06 11:05 ` bugzilla-daemon
@ 2018-08-17 11:37 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-08-17 11:37 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=199653
Marcus Husar (marcus.husar@gmail.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #11 from Marcus Husar (marcus.husar@gmail.com) ---
See comment #9 and #10. Kernel parameter idle=nomwait fixed this bug for me. It
seems to be a CPU related problem.
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