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Message #10248
[Bug 649583] Re: MOTU 828 Mk2 works but the sound is noisy, like buzzing.
>From FFADO maintainer:
Bug: Buzzing from MOTU 828 Mk2
Suggestion:
This was probably caused by the use of a generic kernel (neither
"lowlatency" or "rt"). No further information is available. Given
the age of the report the bug should probably just be closed.
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https://bugs.launchpad.net/bugs/649583
Title:
MOTU 828 Mk2 works but the sound is noisy, like buzzing.
Status in libffado package in Ubuntu:
New
Bug description:
In Marveric Beta, I can connect to my MOTU 828 Mk2 with old firewire
stack (raw1394, ohci1394, ieee1394) and I got the sucess to work it
with jackd2. But the sound is the worst. It's like buzzing and often
nothing.
In Lucid, I can get better sound with this device. I know this is a
result of developer's great work of reverse engineering. I hope this
device works good in marveric.
IEEE13994 chipset
$ lspci
FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 04)
$ ffado-test ListDevices
-----------------------------------------------
FFADO test and diagnostic utility
Part of the FFADO project -- www.ffado.org
Version: 2.999.0-
(C) 2008, Daniel Wagner, Pieter Palmers
This program comes with ABSOLUTELY NO WARRANTY.
-----------------------------------------------
=== 1394 PORT 0 ===
Node id GUID VendorId ModelId Vendor - Model
0 0x0001f2000001480f 0x000001F2 0x00101800 -
1 0x001d72ff883f4aff 0x00001D72 0x00000000 Linux - ohci1394 -
no message buffer overruns
$ ffado-diag
FFADO diagnostic utility 2.999.0-
============================
(C) 2008 Pieter Palmers
=== CHECK ===
Base system...
kernel version............ 2.6.35-22-generic
FIXME: implement test for RT kernel
RT patched............... False
old 1394 stack present.... True
old 1394 stack loaded..... True
old 1394 stack active..... True
new 1394 stack present.... True
new 1394 stack loaded..... False
new 1394 stack active..... False
/dev/raw1394 node present. True
/dev/raw1394 permissions.. True
Prerequisites (dynamic at run-time)...
gcc ............... gcc (Ubuntu/Linaro 4.4.4-14ubuntu5) 4.4.5
g++ ............... g++ (Ubuntu/Linaro 4.4.4-14ubuntu5) 4.4.5
PyQt4 (by pyuic4) . sh: pyuic4: not found
jackd ............. no message buffer overruns
path ............ /usr/bin/jackd
flags ........... -ljack
libraw1394 ........ 2.0.5
flags ........... -lraw1394
libavc1394 ........ Package libavc1394 was not found in the pkg-config search path.
Perhaps you should add the directory containing `libavc1394.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libavc1394' found
flags ........... Package libavc1394 was not found in the pkg-config search path.
Perhaps you should add the directory containing `libavc1394.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libavc1394' found
libiec61883 ....... Package libiec61883 was not found in the pkg-config search path.
Perhaps you should add the directory containing `libiec61883.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libiec61883' found
flags ........... Package libiec61883 was not found in the pkg-config search path.
Perhaps you should add the directory containing `libiec61883.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libiec61883' found
libxml++-2.6 ...... Package libxml++-2.6 was not found in the pkg-config search path.
Perhaps you should add the directory containing `libxml++-2.6.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libxml++-2.6' found
flags ........... Package libxml++-2.6 was not found in the pkg-config search path.
Perhaps you should add the directory containing `libxml++-2.6.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libxml++-2.6' found
dbus-1 ............ 1.4.0
flags ........... -I/usr/include/dbus-1.0 -I/usr/lib/dbus-1.0/include -L/lib -ldbus-1 -lpthread -lrt
Prerequisites (static at compile-time)...
gcc ............... gcc (Ubuntu/Linaro 4.4.4-8ubuntu1) 4.4.5 20100728 (prerelease)
g++ ............... g++ (Ubuntu/Linaro 4.4.4-8ubuntu1) 4.4.5 20100728 (prerelease)
PyQt4 (by pyuic4) . Python User Interface Compiler 4.7.4 for Qt version 4.7.0
jackd ............. sh: jackd: not found
path ............
flags ........... Package jack was not found in the pkg-config search path.
libraw1394 ........ 2.0.5
flags ........... -lraw1394
libavc1394 ........ Package libavc1394 was not found in the pkg-config search path.
flags ........... Package libavc1394 was not found in the pkg-config search path.
libiec61883 ....... 1.2.0
flags ........... -liec61883 -lraw1394
libxml++-2.6 ...... 2.30.0
flags ........... -pthread -I/usr/include/libxml++-2.6 -I/usr/lib/libxml++-2.6/include -I/usr/include/libxml2 -I/usr/include/glibmm-2.4 -I/usr/lib/glibmm-2.4/include -I/usr/include/sigc++-2.0 -I/usr/lib/sigc++-2.0/include -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -pthread -lxml++-2.6 -lxml2 -lglibmm-2.4 -lgobject-2.0 -lsigc-2.0 -lgthread-2.0 -lrt -lglib-2.0
dbus-1 ............ 1.2.24
flags ........... -I/usr/include/dbus-1.0 -I/usr/lib/dbus-1.0/include -L/lib -ldbus-1 -lpthread -lrt
Hardware...
Host controllers:
05:00.1 FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd R5C832 IEEE 1394 Controller [1180:0832] (rev 04) (prog-if 10 [OHCI])
Subsystem: Lenovo Device [17aa:20c7]
Physical Slot: 1
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32 (500ns min, 1000ns max)
Interrupt: pin B routed to IRQ 17
Region 0: Memory at f8301000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
Kernel driver in use: ohci1394
Kernel modules: firewire-ohci, ohci1394
CPU info:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Duo CPU T7250 @ 2.00GHz
stepping : 13
cpu MHz : 800.000
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
apicid : 0
initial apicid : 0
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida tpr_shadow vnmi flexpriority
bogomips : 3989.98
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Duo CPU T7250 @ 2.00GHz
stepping : 13
cpu MHz : 2001.000
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
apicid : 1
initial apicid : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida tpr_shadow vnmi flexpriority
bogomips : 3989.97
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
Configuration...
IRQ information
Hardware Interrupts:
--------------------
IRQ 0: PID: None, count: [7010384, 7010384], Sched None (priority None), drivers: ['timer']
IRQ 1: PID: None, count: [12124, 12124], Sched None (priority None), drivers: ['i8042']
IRQ 8: PID: None, count: [0, 0], Sched None (priority None), drivers: ['rtc0']
IRQ 9: PID: None, count: [33772, 33772], Sched None (priority None), drivers: ['acpi']
IRQ 12: PID: None, count: [284297, 284297], Sched None (priority None), drivers: ['i8042']
IRQ 14: PID: None, count: [64076, 64076], Sched None (priority None), drivers: ['ata_piix']
IRQ 15: PID: None, count: [0, 0], Sched None (priority None), drivers: ['ata_piix']
IRQ 16: PID: None, count: [0, 0], Sched None (priority None), drivers: ['uhci_hcd:usb5', 'yenta']
IRQ 17: PID: None, count: [1660710, 1660710], Sched None (priority None), drivers: ['uhci_hcd:usb6', 'ohci1394']
IRQ 18: PID: None, count: [0, 0], Sched None (priority None), drivers: ['mmc0']
IRQ 19: PID: None, count: [0, 0], Sched None (priority None), drivers: ['ehci_hcd:usb2']
IRQ 20: PID: None, count: [0, 0], Sched None (priority None), drivers: ['uhci_hcd:usb3']
IRQ 21: PID: None, count: [0, 0], Sched None (priority None), drivers: ['uhci_hcd:usb4']
IRQ 22: PID: None, count: [0, 0], Sched None (priority None), drivers: ['ehci_hcd:usb1']
IRQ 40: PID: None, count: [0, 0], Sched None (priority None), drivers: ['pciehp']
IRQ 41: PID: None, count: [0, 0], Sched None (priority None), drivers: ['pciehp']
IRQ 42: PID: None, count: [65240, 65240], Sched None (priority None), drivers: ['eth0']
IRQ 43: PID: None, count: [195950, 195950], Sched None (priority None), drivers: ['i915']
IRQ 44: PID: None, count: [354, 354], Sched None (priority None), drivers: ['hda_intel']
Software Interrupts:
--------------------
=== REPORT ===
FireWire kernel drivers:
[PASS] Kernel modules present and correctly loaded.
[PASS] /dev/raw1394 node present and accessible.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: ffado-dbus-server 2.0.1+svn1856-1ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Tue Sep 28 15:22:39 2010
InstallationMedia: Ubuntu-Studio 10.10 "Maverick Meerkat" - Beta i386 (20100902.1)
ProcEnviron:
LANG=ja_JP.utf8
SHELL=/bin/bash
SourcePackage: libffado
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