https://bugzilla.kernel.org/show_bug.cgi?id=214621
Kakha (ka...@soft.ge) changed:
What|Removed |Added
CC||ka...@soft.ge
--- Comment #21
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #20 from Christian König (christian.koe...@amd.com) ---
Nice work Lang, question is now only how to fix it?
We probably need to assign this bug to Harry and Nicholas.
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https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #19 from Erhard F. (erhar...@mailbox.org) ---
(In reply to Lang Yu from comment #18)
> Hi all,
>
> I reproduced the issue. Thanks for Erhard F.'s work!
>
> The problem is the pinned BO of last call to
>
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #18 from Lang Yu (lang...@amd.com) ---
Hi all,
I reproduced the issue. Thanks for Erhard F.'s work!
The problem is the pinned BO of last call to
amdgpu_display_crtc_page_flip_target() was not unpinned properly.
int
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #17 from Lang Yu (lang...@amd.com) ---
Created attachment 299441
--> https://bugzilla.kernel.org/attachment.cgi?id=299441=edit
test patch to find who pinned amdgpu dmabuf
dmesg may be too large, please add log_buf_len=1024M into
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #16 from Alex Deucher (alexdeuc...@gmail.com) ---
(In reply to Lang Yu from comment #15)
> Many thanks for your help! I made a test patch to find who pinned amdgpu
> dmabuf.
Did you forget to attach it?
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--- Comment #15 from Lang Yu (lang...@amd.com) ---
(In reply to Erhard F. from comment #14)
> (In reply to Lang Yu from comment #12)
> > The warning was just merged into mainline 5.15.0 on Tue Nov 2 16:47:49
> > 2021(commit 56d33754481f). Not
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #14 from Erhard F. (erhar...@mailbox.org) ---
(In reply to Lang Yu from comment #12)
> The warning was just merged into mainline 5.15.0 on Tue Nov 2 16:47:49
> 2021(commit 56d33754481f). Not sure Erhard F.'s build contains this
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #13 from Christian König (christian.koe...@amd.com) ---
(In reply to Lang Yu from comment #12)
> The warning was just merged into mainline 5.15.0 on Tue Nov 2 16:47:49
> 2021(commit 56d33754481f). Not sure Erhard F.'s build contains
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #12 from Lang Yu (lang...@amd.com) ---
(In reply to Christian König from comment #11)
> Well it's really appreciated that you are looking into this.
>
> One thing we might want to do is to move the warning in dma_buf_release():
>
>
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #11 from Christian König (christian.koe...@amd.com) ---
Well it's really appreciated that you are looking into this.
One thing we might want to do is to move the warning in dma_buf_release():
diff --git a/drivers/dma-buf/dma-buf.c
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #10 from Lang Yu (lang...@amd.com) ---
(In reply to Christian König from comment #9)
> (In reply to Lang Yu from comment #8)
> > (In reply to Christian König from comment #7)
> > > Yeah, that won't work. As far as I can see the
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #9 from Christian König (christian.koe...@amd.com) ---
(In reply to Lang Yu from comment #8)
> (In reply to Christian König from comment #7)
> > Yeah, that won't work. As far as I can see the problem is not inside
> amdgpu,
> > but
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #8 from Lang Yu (lang...@amd.com) ---
(In reply to Christian König from comment #7)
> Yeah, that won't work. As far as I can see the problem is not inside amdgpu,
> but rather inside the driver which is importing buffers from amdgpu.
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #7 from Christian König (christian.koe...@amd.com) ---
Yeah, that won't work. As far as I can see the problem is not inside amdgpu,
but rather inside the driver which is importing buffers from amdgpu.
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--- Comment #6 from Erhard F. (erhar...@mailbox.org) ---
(In reply to Lang Yu from comment #5)
> Created attachment 299383 [details]
> fix a potential dma-buf release warning
>
> Please have a try with attached patch. Thanks!
Thanks! Applied the
https://bugzilla.kernel.org/show_bug.cgi?id=214621
Lang Yu (lang...@amd.com) changed:
What|Removed |Added
CC||lang...@amd.com
--- Comment
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #4 from Erhard F. (erhar...@mailbox.org) ---
(In reply to Lang Yu from comment #3)
> Could you please reproduce it on a ubuntu 20.04 system? I didn't reproduce
> it on ubuntu 20.04.
Not on this machine unfortunately. I need it 24/7 as
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #3 from Lang Yu (lang...@amd.com) ---
Could you please reproduce it on a ubuntu 20.04 system? I didn't reproduce it
on ubuntu 20.04.
And could you please get outputs of following command before rebooting? Thanks!
$ cat
https://bugzilla.kernel.org/show_bug.cgi?id=214621
Erhard F. (erhar...@mailbox.org) changed:
What|Removed |Added
Status|NEW |RESOLVED
https://bugzilla.kernel.org/show_bug.cgi?id=214621
--- Comment #1 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 299099
--> https://bugzilla.kernel.org/attachment.cgi?id=299099=edit
kernel .config (5.15-rc4, AMD PRO A10-8750B)
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