[Kernel-packages] [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 Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1637917 Title: rosegarden 16.06 plays only first note, locks up PC when

[Kernel-packages] [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 Kernel Packages, which is subscribed to linux in Ubuntu. h

[Kernel-packages] [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:

[Kernel-packages] [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: