Public bug reported:
After sending a number of MIDI notes out of my NI AudioKontrol 1 sound
card my system locks up completely and needs to be hard reset.
This problem appears to occur no matter what tool I use to send MIDI out
of the soundcards port.
Upon crashing:
- screen goes black but backlight is left on.
- Caps lock key begins to flash
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-31-lowlatency 3.16.0-31.41
ProcVersionSignature: Ubuntu 3.16.0-31.41-lowlatency 3.16.7-ckt5
Uname: Linux 3.16.0-31-lowlatency x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.7-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-id',
'/dev/snd/midiC2D0', '/dev/snd/pcmC2D0c', '/dev/snd/pcmC2D0p',
'/dev/snd/controlC2', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c',
'/dev/snd/pcmC1D0p', '/dev/snd/controlC1', '/dev/snd/by-path',
'/dev/snd/hwC0D0', '/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p',
'/dev/snd/pcmC0D3p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer']
failed with exit code 1:
CurrentDesktop: Unity
Date: Fri Mar 6 23:48:36 2015
HibernationDevice: RESUME=UUID=a936a653-2638-4e98-9326-2067c04324bb
InstallationDate: Installed on 2014-12-07 (89 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
MachineType: Hewlett-Packard HP ENVY TS 15 Notebook PC
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-31-lowlatency
root=UUID=0c56b1a0-831d-4cfa-b181-46b2e7fca4f2 ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.16.0-31-lowlatency N/A
linux-backports-modules-3.16.0-31-lowlatency N/A
linux-firmware 1.138.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/10/2014
dmi.bios.vendor: Insyde
dmi.bios.version: F.63
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 1967
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 93.51
dmi.chassis.asset.tag: 5CG439469N
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.63:bd06/10/2014:svnHewlett-Packard:pnHPENVYTS15NotebookPC:pvr0981110000405E00000320100:rvnHewlett-Packard:rn1967:rvrKBCVersion93.51:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP ENVY TS 15 Notebook PC
dmi.product.version: 0981110000405E00000320100
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug utopic
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https://bugs.launchpad.net/bugs/1429306
Title:
Sending MIDI directly out of Soundcard causes lock up
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