Re: [LAU] JACK hangs on openSUSE Tumbleweed

On 04/18/2015 08:33 PM, Ralf Mardorf wrote:
> On Sat, 18 Apr 2015 19:39:53 +0200, Jörn Nettingsmeier wrote:
>> The problem started at the same time kernel 3.19.3 came out for
>> Tumbleweed, but downgrading to older kernels in the 3.19 series or as
>> far back as 3.17 doesn't restore jack functionality. So it must be
>> something in userspace.
>
> Hi Jörn,
>
> there definitively also is an issue with this kernel.
>
> [rocketmouse@archlinux ~]$ uname -rm
> 3.19.3-3-ARCH x86_64
> [rocketmouse@archlinux ~]$ aconnect -i
> client 0: 'System' [type=kernel]
> 0 'Timer '
> 1 'Announce '
> client 14: 'Midi Through' [type=kernel]
> 0 'Midi Through Port-0'
> [rocketmouse@archlinux ~]$ amidi -l
> Dir Device Name
> IO hw:0,0 HDSPMx579bcc MIDI 1
> IO hw:1,0 TerraTec EWX24/96 MIDI
> IO hw:2,0 TerraTec EWX24/96 MIDI
>
> I only use linux-rt, but an user of this kernel noticed it and started a
> thread here:
> https://lists.archlinux.org/pipermail/arch-general/2015-April/038789.html

Curious coincidence: a few weeks before LAC2015, I tried to connect a
BCF2000 to the LAC streaming box, and even though lsusb showed the
device, ALSA did not catch it, ever. This box ran Manjaro, which, IIUC,
is a derivative of Arch.

I'm not sure any of this is actually related to the JACK issue, but yes,
something is fishy about 3.19 :)

-- 
Jörn Nettingsmeier
Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487
Meister für Veranstaltungstechnik (Bühne/Studio)
Tonmeister VDT
http://stackingdwarves.net
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