Seems like the bug is back.
It pops up occasionally (one error line every ~2 hours) on Linux 6.5.0-14,
6.6.0-14 and 6.8.0-20.
Appears on both Jammy: Xorg (Mate) and Mantic: Xorg/Wayland (Mate/KDE).
Default kernel cmdline.
On Xorg the graphics is fine, but on Wayland it can a bit "flickery" at
I still get this error in Ubuntu Lunar, with kernel 6.2.0-35-generic.
Sample:
$ sudo dmesg -T|grep Atomic
[qua nov 1 05:52:03 2023] i915 :00:02.0: [drm] *ERROR* Atomic update
failure on pipe A (start=78023 end=78024) time 305 us, min 1783, max 1799,
scanline start 1753, end 1804
[qua nov
We are sorry that we do not always have the capacity to review all
reported bugs in a timely manner. This bug (and its duplicates) were
reported some time ago and there have been many changes in Ubuntu since
that time. It seems that only releases of Ubuntu that are no longer
supported are
i have the same issue on ubuntu 19.10
Apr 3 22:43:21 HP-15-cs3xxx kernel: [ 8867.271966]
[drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe
A (start=532823 end=532824) time 143 us, min 1073, max 1079, scanline
start 1072, end 1081
cat /etc/modprobe.d/i915.conf
options
sorry correction ThinkPad T590 is the faulty system (I have another T580
that I use too).
** Tags added: ubuntu
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kernel:
have same error:
[drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A
[drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe B
[drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe C
and system freezes also quite frequently these last
It appears Intel knows Xorg is broken and is disabling atomic mode:
https://gitlab.freedesktop.org/xorg/xserver/merge_requests/180
That might also fix this bug.
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It's difficult because it seems only certain laptop models will be
affected very often. And while no developers are affected by the bug
then it's unlikely to get fixed. Because nobody with the ability to fix
the bug has the hardware to reproduce the bug.
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Could you let me know when would this be fixed? I understand it needs to
be prioritized and scheduled, developed, released, etc. My only laptop
is using this distro and unfortunately I can't stand this screen
flickering. I can try another distro and come back when this is
resolved. Would this bug
** Summary changed:
- kernel: [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on
pipe ...
+ kernel: [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on
pipe A/B/C
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As far as I know, for the moment at least, this bug affects Xorg but
might not affect Wayland Gnome sessions. Can anyone confirm that?
** Summary changed:
- kernel: [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on
pipe B
+ kernel: [drm:intel_pipe_update_end [i915]] *ERROR*
>From memory, only Xorg's modesetting_drv uses atomic modesetting, but I
don't think mutter/Gnome's Wayland backend does.
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Title:
** Tags added: cscc
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Title:
kernel: [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update
failure on pipe B
Status in linux
apport information
** Tags added: apport-collected
** Description changed:
I have this error and arbitrary freezes on the system
My System:
Hardware:
Processor: Intel Core i7-8750H @ 4.10GHz (12 Cores), Motherboard: Dell
0M2MWX, Chipset: Intel Device a36f, Memory: 16384MB, Disk:
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
kernel: [drm:intel_pipe_update_end [i915]] *ERROR*
** Package changed: xorg (Ubuntu) => linux (Ubuntu)
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Title:
kernel: [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update
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