oem-6.1 is about to be EOL
** Changed in: linux-oem-6.1 (Ubuntu Jammy)
Status: Confirmed => Won't Fix
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https://bugs.launchpad.net/bugs/2009952
Title:
I met the bug, only 'amdgpu.dcdebugmask=0x10' can solved it.
I have tested the lastest kernel.
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Title:
[amdgpu][psr]
To clarify, I had this blank screen problem before as well.
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Title:
[amdgpu][psr] Screen flickering/ tearing on 6.1/6.2/6.3
I removed this parameter"amdgpu.dcdebugmask=0x10" from /etc/default/grub
yesterday.
There is still occasional screen flickering, but no (once every 15 minutes or
so) a blank screen.
I will continue testing
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I added the parameter now and will later tell how it is going.
For now it feels buttery smooth!
I couldn‘t use „sudo update-grub“.
I needed to use „sudo grub-mkconfig -o /boot/grub/grub.cfg“ to update grub.
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Hi,
It‘s me again…
Added this parameter to /etc/default/grub
And it says that. The command cannot be found,
Do I need to write it with the “ ?
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Hi,
has the same problem over the whole last week. Tried different distros.
I‘ve read that the kernel parameter solves it?
May e I try ubuntu again tomorrow with this kernel parameter.
I used arch and had the black screen problem. Maybe this kernel parameter fixes
the problems on arch as well.
Sorry for delay looking at this. I might have not been clear. That
script needs to be run after the error has occurred. I don't see the
error in this kernel log.
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kernel log from boot
** Attachment removed: "kern.log"
https://bugs.launchpad.net/ubuntu/+source/linux-oem-6.1/+bug/2009952/+attachment/5709257/+files/kern.log
** Attachment added: "kern.log"
DRI device 0 DMCUB F/W version: 0x08002300
○ PSR 2 with Y coordinates (eDP 1.4a) [3]
○ Sink OUI: Parade
○ resv_40f: 01
○ ID String: 08-03
○ PSR Status: 00-00-02
** Attachment added: "kern.log"
What is the easiest way to share kernel log :) ?
dmesg > dmesg.log ?
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Title:
[amdgpu][psr] Screen flickering/ tearing on
Can you please share your kernel log from a boot that had the failure, and
without that parameter in place share the output of this script?
https://gitlab.freedesktop.org/drm/amd/-/blob/master/scripts/psr.py
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I have a similar problem with Xubuntu and kernel version linux-
image-6.5.0-9-generic. Adding "amdgpu.dcdebugmask=0x10" to
/etc/default/grub fixes the flickering screen.
OS: Xubuntu 23.10 x86_64
21F8003HMX ThinkPad T14s Gen 4
CPU: AMD Ryzen 7 PRO 7840U w/ Radeon
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No luck running with the patch and without "amdgpu.dcdebugmask=0x10",
sadly.
There is still occasional screen flickering, and sometimes (once every
15 mimutes or so) a blank screen.
Then after a few hours of use, the display froze completely, and I could
only reclaim control through 1) suspend
Hi Mario,
I've recompiled kernel 6.4-rc5 with the patch applied, and get the same
error (see below). No screen tearing/ flicker - yet. I'll report back
after a day of work to see if the patch had any effect.
Thanks again for your support, best,
Roemer
$ cat /proc/cmdline:
OK let's look for results with that patch when you have time.
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Title:
[amdgpu][psr] Screen flickering/ tearing on
Hi Mario,
I have to apologize, I was a little bit too fast sending that update.
Immediately afterwards I had the screen flickering again, with some
blackouts as well. I was able to make a video, see
https://www.youtube.com/watch?v=yjL9OuXhdeg. No errors in the log
though.
I will have to see if I
That's good news. Just today there was a new patch posted that might
help the remaining PSR issue. Can you please apply this on top of
6.4-rc5?
https://patchwork.freedesktop.org/patch/541535/
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UPDATE 2 after testing 6.4rc5.
Still a PSR-related problem when running without
"amdgpu.dcdebugmask=0x10" (see kern.log below), apart from that very
happy with 6.4-rc5. The flicker/ tearing issue seems to be solved
(yeah!).
Without the kernel parameter I do get the following error though,
Testing 6.4-rc2 now, it seems the S/G mode issue is indeed resolved.
It's been 2 days only, but the new kernel seems really stable.
I'm now running without the "amdgpu.sg_display=0" kernel param.
It seems the tearing issue is still there though, the
"amdgpu.dcdebugmask=0x10" is still needed.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-oem-6.1 (Ubuntu Jammy)
Status: New => Confirmed
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This commit from 6.4-rc1 fixes the S/G mode issue.
https://github.com/torvalds/linux/commit/08da182175db4c7f80850354849d95f2670e8cd9
It's CC to stable.
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** No longer affects: linux (Ubuntu Jammy)
** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
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Title:
OK, here's the patch being submitted upstream that should help this if
it's S/G caused:
https://patchwork.freedesktop.org/patch/532323/
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** Summary changed:
- [amdgpu][psr] Screen flickering/ tearing on 6.1 kernel
+ [amdgpu][psr] Screen flickering/ tearing on 6.1/6.2/6.3 kernel
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