https://bugzilla.kernel.org/show_bug.cgi?id=199959
Aleksandr Mezin (mezin.alexan...@gmail.com) changed:
What|Removed |Added
Status|NEW |RESOLVED
https://bugzilla.kernel.org/show_bug.cgi?id=199959
--- Comment #27 from Alexander Mezin (mezin.alexan...@gmail.com) ---
So the patch will only land in 4.19.
Are you going to fix the regression (in amdgpu) for 4.15-4.18 somehow?
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Joern Hoffmann (j.hoffm...@quapona.com) changed:
What|Removed |Added
CC|
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--- Comment #25 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Yes, it works
dmesg:
[ 34.330683] amdgpu :65:00.0: Test 0 from 8 to 13
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--- Comment #24 from Christian König (christian.koe...@amd.com) ---
Created attachment 276547
--> https://bugzilla.kernel.org/attachment.cgi?id=276547=edit
Possible fix
In this case please try the attached patch and see if it helps.
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--- Comment #23 from Alexander Mezin (mezin.alexan...@gmail.com) ---
(In reply to Christian König from comment #22)
> Your debugging efforts are better than mine.
>
> Please provide the output of "sudo setpci -s 65:00.0 ECAP15.l ECAP15+4.l
>
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--- Comment #22 from Christian König (christian.koe...@amd.com) ---
Your debugging efforts are better than mine.
Please provide the output of "sudo setpci -s 65:00.0 ECAP15.l ECAP15+4.l
ECAP15+8.l" once before suspend and once after suspend
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--- Comment #21 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Not sure if it'll help, but I've added more logging here:
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -436,6 +436,8 @@ int pci_resize_resource(struct pci_dev
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--- Comment #20 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Created attachment 276521
--> https://bugzilla.kernel.org/attachment.cgi?id=276521=edit
lspci after resume with hack
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--- Comment #19 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Created attachment 276519
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lspci after resume, no hack
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--- Comment #18 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Created attachment 276517
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lspci before suspend
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--- Comment #17 from Alexander Mezin (mezin.alexan...@gmail.com) ---
setpci - exactly the same output in all 3 cases (verified with 'diff' to be
sure):
0407
0001
fff1
00e0
00e2
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--- Comment #16 from Christian König (christian.koe...@amd.com) ---
So the problem seems to be the bridge then.
Please provide me with the output of the following commands, once before you
suspended, once after you resumed without any change and
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--- Comment #15 from Alexander Mezin (mezin.alexan...@gmail.com) ---
No, it doesn't change anything, system freezes on resume.
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--- Comment #14 from Christian König (christian.koe...@amd.com) ---
Created attachment 276471
--> https://bugzilla.kernel.org/attachment.cgi?id=276471=edit
Testing patch
Please test if this patch helps as well.
It limits the work done during
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--- Comment #13 from Christian König (christian.koe...@amd.com) ---
(In reply to Alexander Mezin from comment #11)
> I literally have no idea what I'm doing, but adding
> 'amdgpu_device_resize_fb_bar(adev);' line to all 'gmc_v?_?_resume()'
>
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--- Comment #12 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Created attachment 276415
--> https://bugzilla.kernel.org/attachment.cgi?id=276415=edit
dmesg: resume with device_resize_fb_bar() in gmc_v?_?_resume()
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--- Comment #11 from Alexander Mezin (mezin.alexan...@gmail.com) ---
I literally have no idea what I'm doing, but adding
'amdgpu_device_resize_fb_bar(adev);' line to all 'gmc_v?_?_resume()' (because I
don't know which version is used for my card)
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--- Comment #10 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Actually, sometimes mouse pointer moves, and only freezes after I press a few
keys/click a few times.
Also, sometimes it's just colored pattern instead of the lock screen on the
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--- Comment #9 from Alexander Mezin (mezin.alexan...@gmail.com) ---
It seems that only GPU is hung, I can even SSH to the machine.
But things like restarting gdm/Xorg/unplugging the monitor didn't "fix" it.
"shutdown -h now" didn't work.
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--- Comment #8 from Christian König (christian.koe...@amd.com) ---
Mhm, I've tried the same ASIC (Polaris 10 8gb) in an AMD Threadripper and here
it is working quite fine with suspend/resume.
So the only explanation I have is that this is some
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--- Comment #7 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Created attachment 276393
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/proc/iomem
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--- Comment #6 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Created attachment 276391
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lspci -t -v -nn
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--- Comment #5 from Christian König (christian.koe...@amd.com) ---
Ok, well that is interesting.
Please provide the output of "sudo cat /proc/iomem" and "lspci -t -v -nn".
In the meantime I will try to reproduce the issue here.
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--- Comment #4 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Commit d6895ad39f3b396be199f5b6fdfb8cde4be7bbf7 seems to be the cause. Resume
works on 4.16 if I revert that single commit (tested on 4.16.0, 4.16.13, with
both amdgpu.dc=0 and
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Christian König (christian.koe...@amd.com) changed:
What|Removed |Added
CC|
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Alexander Mezin (mezin.alexan...@gmail.com) changed:
What|Removed |Added
Kernel Version|4.17|4.16
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Alexander Mezin (mezin.alexan...@gmail.com) changed:
What|Removed |Added
Regression|No |Yes
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--- Comment #2 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Created attachment 276363
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Failed resume - 4.16, amdgpu.dc=0
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--- Comment #1 from Alexander Mezin (mezin.alexan...@gmail.com) ---
Just tested 4.15.15 and 4.16
On 4.15.15 suspend and resume works fine
On 4.16 the system freezes even with amdgpu.dc=0
Note that Arch has
CONFIG_DRM_AMD_DC=y
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