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IDProjectCategoryView StatusLast Update
0010282ardourbugspublic2026-04-19 22:04
Reportern4dir Assigned To 
PrioritynormalSeverityminorReproducibilityrandom
Status newResolutionopen 
PlatformDebian GNUOSLinuxOS Version(any)
Product Version9.2 
Summary0010282: recording midi-notes from other tracks in a new midi-track randomly is not in timesync, nightly build 542 and 434
DescriptionAs the summary says it is randomly, but reproducible if i do it a few times in a row.
I tried several things to make it reliably occur, but found no setting to do that ( the recording midi-track set to mute or not, syncopated 16th notes in the recorded track or not, so forth).
In 9.2 it didn't happen yet, but i focused on testing it in nightly builds.
Steps To Reproduceas shown in the video, create a couple of midi-tracks with BlondeBobs drumkit, make it slightly complex like with 16th notes and a bit of syncopation, set up another track and route all the drum tracks to it to record them
Additional InformationAs said, it seems randomly.
TagsNo tags attached.

Activities

n4dir

2026-04-15 02:41

reporter   ~0030253

litter.catbox.moe/j8818dx8948cryh9.mkv

n4dir

2026-04-15 16:52

reporter   ~0030264

Sorry, i really got hard times to show the video, which shows the problem well, here.
I temporarily uploaded it to youtube to workaround.
https://www.youtube.com/watch?v=KQYF74lQiS4

n4dir

2026-04-17 19:42

reporter   ~0030270

After making quite some more tests to figure out if i find a pattern:
It seems (in ardour 8.12:) "auto return" (or in ardour 9.12:) "return to last playback start when stopped" enabled makes it happen much more reliably, but sure not all the time.
Also: It happens in Ardour version 9.12 and version 8.12 too.

piergi

2026-04-19 22:04

reporter   ~0030276

There is a big "no align" blinking red light in the video, and the latency reports "ambiguos" (top of the screen). This could well be the cause of the not-in-sync situation you are getting. Check if you find in the log window references to which tracks exactly have ambiguous latencies.
If you can't find anything, open the routing window and try disconnecting things until the "no align" alarm disappears.

Also search the forum, because this thema is often mentioned.

Issue History

Date Modified Username Field Change
2026-04-15 02:23 n4dir New Issue
2026-04-15 02:41 n4dir Note Added: 0030253
2026-04-15 16:52 n4dir Note Added: 0030264
2026-04-17 19:42 n4dir Note Added: 0030270
2026-04-19 22:04 piergi Note Added: 0030276