[Bug 1637917] Re: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer

Mark, this bug report is being closed due to Ted Felix's last comment https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1637917/comments/9 regarding this being fixed with an update. However, if this is still reproducible on 4.8.0-32-* please feel free to reopen this report. For future referenc

[Bug 1637917] Re: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer

Confirmed that 4.8.0-32-lowlatency fixes this issue. Thanks guys. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1637917 Title: rosegarden 16.06 plays only first note, locks up PC when trying to use

[Bug 1637917] Re: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer

Mark, given the upstream fix patch was merged into 4.9, and http://cdimage.ubuntu.com/daily-live/current/ was rebased to this, it wouldn't hurt to confirm that the latest Ubuntu fixes the issue. ** Tags added: cherry-pick ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Change

[Bug 1637917] Re: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer

** Tags added: yakkety -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1637917 Title: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer To manage notifications about t

[Bug 1637917] Re: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer

Confirmed in Ubuntu 16.10 with kernel 4.8.0-30. ted@teds-laptop:~$ uname -a Linux teds-laptop 4.8.0-30-lowlatency #32-Ubuntu SMP PREEMPT Fri Dec 2 04:38:54 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux ted@teds-laptop:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description:

[Bug 1637917] Re: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer

I've switched this back to confirmed since upstream is aware of the issue and the exact patch to the kernel that is required to fix it has been provided in this bug report. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.l

[Bug 1637917] Re: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer

Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: rosegarden (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1637917 Title:

[Bug 1637917] Re: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer

I tested Rosegarden on Ubuntu, UbuntuGnome, Kubuntu, UbuntuMATE, Lubuntu, and UbuntuStudio. In all cases, in attempting to play a MIDI sequence (Rosegarden '.rg' file), wherever I placed the playback-position, it would play only the notes at that position, and not advance any further. It is as if

[Bug 1637917] Re: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer

Upstream dev here. There is a bug in the ALSA drivers that causes the playback problem you describe. Kernel bug 177571 is the one: https://bugzilla.kernel.org/show_bug.cgi?id=177571. That patch needs to be added to Ubuntu's kernel to fix this. The relevant patch in the linux kernel 4.8.y tree:

[Bug 1637917] Re: rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer

** Summary changed: - rosegarden 16.06 plays only first note, locks up PC when trying to use HP timer + rosegarden 16.06 plays only first note, locks up PC when trying to use HR timer -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.