Just pushed the proposed update as [6cbef7a7]. Please test latest git.
Ted.
On 1/22/25 10:12 PM, Ted Felix wrote:
We should probably just delete the modprobe paragraph and drop the
"Alternatively". This is just outdated advice that no one has noticed
until now. Here's the rewrite:
--- CUT HERE ---------------------------
Rosegarden was unable to find a high-resolution timing source for
MIDI performance.
Check whether your Linux distribution provides a multimedia-optimized
kernel. See the Rosegarden website for notes about this.
--- CUT HERE ---------------------------
Then perhaps a link to the right page on the wiki? Maybe this for now:
https://www.rosegardenmusic.com/wiki/low-latency_kernels
It's outdated, but it's a start.
Ted.
On 1/22/25 7:14 PM, Jeronimo Pellegrini via Rosegarden-devel wrote:
Helo!
I see that when I open Rosegarden, a small warning icon shows up at
the left bottom of the screen. When I click on it, a warning pops up:
System timer resolution is too low!
| Rosegarden was unable to find a high-resolution timing source for
MIDI performance.
|
| You may be able to solve this problem by loading the RTC timer
kernel module. To do
| this, try running sudo modprobe snd-rtctimer in a terminal window
and then restarting
| Rosegarden.
|
| Alternatively, check whether your Linux distributor provides a
multimedia-optimized
| kernel. See the Rosegarden website for notes about this.
However, as far as I know, that modulehas been removed from the kernel:
https://patchwork.kernel.org/project/alsa-devel/
patch/1461373085-16679-1-git-send-email-alexandre.belloni@free-
electrons.com/
and loading it is not necessary anymore (it seems that it's only
really relevant to use a kernel compiled with the PREEMPT_RT option).
I suppose the message is there because of old kernels still running
(is that true?) -- but then, would it be too hard to check the kernel
version (or check if the module is really needed) and decide to not
show the message if the module is not actually necessary?
J.
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