[Bug 649583] Re: MOTU 828 Mk2 works but the sound is noisy, like buzzing.

2021-05-10 Thread Pander
>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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Title:
  MOTU 828 Mk2 works but the sound is noisy, like buzzing.

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[Bug 649583] Re: MOTU 828 Mk2 works but the sound is noisy, like buzzing.

2010-09-28 Thread Takashi Sakamoto

** Attachment added: Dependencies.txt
   
https://bugs.launchpad.net/bugs/649583/+attachment/1647359/+files/Dependencies.txt

** Description changed:

  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   0x0001f201480f  0x01F2  0x00101800- 
-1   0x001d72ff883f4aff  0x1D72  0x   Linux - ohci1394  - 
+   Node id  GUID  VendorId ModelId   Vendor - Model
+    0   0x0001f201480f  0x01F2  0x00101800-
+    1   0x001d72ff883f4aff  0x1D72  0x   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
+  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.
+    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.
+  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.
+    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.
+  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.
+    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.
+