Ubuntu
zynjacku package

impossible to launch lv2rack

Bug #1185815 reported by bayo
16
This bug affects 3 people
Affects Status Importance Assigned to Milestone
zynjacku (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

I install zynjacku to use lv2rack, and i can't launch it.

$ lv2rack
Connected to session bus, unique name is ":1.823"
Successfully connected to LASH server at localhost
Creating cache directory "/home/bayo/.cache/lv2rack"
LV2_PATH not set, defaulting to ['/home/bayo/.lv2', '/usr/local/lib/lv2', '/usr/lib/lv2']
/usr/lib/lv2/event.lv2/event.ttl: Unexpected(2): ('symbol', 'true')
ERROR /usr/lib/lv2/event.lv2/event.ttl: /usr/lib/lv2/event.lv2/event.ttl: Unexpected ;
/usr/lib/lv2/uri-map.lv2/uri-map.ttl: Unexpected(2): ('symbol', 'true')
ERROR /usr/lib/lv2/uri-map.lv2/uri-map.ttl: /usr/lib/lv2/uri-map.lv2/uri-map.ttl: Unexpected ;
flex scanner jammed

I install a lot of LV2 plugins, but it looks like it is an internal problem of the LV2 package. I guess /usr/lib/lv2/event.lv2/event.ttl is a standard component.

Revision history for this message
bayo (bayo-fr) wrote :

Here the same problem https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=859689

Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in zynjacku (Ubuntu):
status: New → Confirmed
Revision history for this message
Erik Ackermann (domohawk) wrote :

Same problem on 14.04 fresh install

Revision history for this message
Ross Gammon (rosco2) wrote :

zynjacku was removed from Debian some time ago because it is buggy and not maintained upstream. We should probably consider removing it from Ubuntu too.

Revision history for this message
Martin Guy (martinwguy) wrote :

Weird. I launched this program successfully once (the first time i ever ran it), the GUI presented itself, it appeared in qjackctl->Connect->Audio and then jammed when I tried to load an effect because
    https://guitarix.sourceforge.io/plugins/gxtuner#tuner
returns 404, and it blocked at that point.

Now, at every attempt I get the same "flex scanner jammed" as per this bug, even if I
    rm -r ~/.cache/lv2rack/

Cannot load LASH python bindings, you want LASH unless you enjoy manual jack plumbing each time you use this app
Cannot lock down 82274202 byte memory area (Impossibile allocare memoria)
Cannot use real-time scheduling (RR/5)(1: Operazione non permessa)
JackClient::AcquireSelfRealTime error
Creating cache directory "/home/martin/.cache/lv2rack"
LV2_PATH not set, defaulting to ['/home/martin/.lv2', '/usr/local/lib/lv2', '/usr/lib/lv2']
flex scanner jammed

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