Hi, just a quick follow up: I have just tested starting JACK with my Nvidia Intel-HDA again, now on kernel 4.4.2: The issue is still present. Capture-only and duplex modes fail, playback-only works. Is there anything I can do to help debugging (and finally fixing) this regression any further? Best, Johannes Am 10.02.2016 um 14:43 schrieb Johannes Maibaum: > Hello, > > since the kernel update to 4.4.1 (I'm on Arch Linux x86_64), I cannot > use the jack server in duplex mode or record only mode anymore (playback > only still works) using the internal sound card (an Intel HDA > manufactured by NVidia) of my Apple MacBook Pro 7,1. > Up until kernel 4.3.3, this was possible without any issues. > > JACK seems to start formally, but fails after a multi-second timeout as > soon as one tries to connect any client to it, giving the following > error messages: > > Sun Feb 7 15:02:32 2016: Starting jack server... > Sun Feb 7 15:02:32 2016: JACK server starting in realtime mode with > priority 10 > Sun Feb 7 15:02:32 2016: self-connect-mode is "Don't restrict self > connect requests" > Sun Feb 7 15:02:32 2016: Acquired audio card Audio0 > Sun Feb 7 15:02:32 2016: creating alsa driver ... > hw:NVidia|hw:NVidia|512|2|48000|0|0|nomon|swmeter|-|32bit > Sun Feb 7 15:02:33 2016: configuring for 48000Hz, period = 512 frames > (10.7 ms), buffer = 2 periods > Sun Feb 7 15:02:33 2016: ALSA: final selected sample format for > capture: 32bit integer little-endian > Sun Feb 7 15:02:33 2016: ALSA: use 2 periods for capture > Sun Feb 7 15:02:33 2016: ALSA: final selected sample format for > playback: 32bit integer little-endian > Sun Feb 7 15:02:33 2016: ALSA: use 2 periods for playback > Sun Feb 7 15:02:38 2016: ERROR: JackPosixProcessSync::LockedTimedWait > error usec = 5000000 err = Connection timed out > Sun Feb 7 15:02:38 2016: ERROR: Driver is not running > Sun Feb 7 15:02:38 2016: ERROR: Cannot open client name = dbusapi > Sun Feb 7 15:02:38 2016: ERROR: failed to create dbusapi jack client > Sun Feb 7 15:02:38 2016: ERROR: Unknown request 4294967295 > Sun Feb 7 15:02:38 2016: ERROR: CheckSize error size = 0 Size() = 12 > Sun Feb 7 15:02:38 2016: ERROR: CheckRead error > > I already filed bug reports against the JACK sound server package on > Arch Linux... > > https://bugs.archlinux.org/task/48073 > > ...where at least one other user was able to reproduce (though he did > not specify his hardware configuration), and I filed an issue for the > JACK developers on Github... > > https://github.com/jackaudio/jack2/issues/186 > > ...where further investigation has shown that it seems to be related to > the HDA hardware, as I can start JACK successfully in all modes using an > external USB audio interface. Markus Seeber has pointed me to an older > issue report against JACK... > > https://github.com/jackaudio/jack2/issues/116 > > ...where a genuine Intel HDA card in a Lenovo laptop showed the exact > same symptoms, but obviously using an older kernel. > > Output of alsa-info.sh on the MacBook Pro is here: > http://www.alsa-project.org/db/?f=4f288b556984d50e322fc85d2cfd73fb03b7e0cd > > I'm interested in getting the device to work again in all modes as it > used to. > > Best, > Johannes > ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
