Hello,
I'm quite a bit puzzled and so I'm hoping to find something I haven't
considered yet. I'm using a FireWire Saffire LE Audio Interface,
connected to the following PCI card: NEC Corporation uPD72873
[Firewarden] IEEE1394a OHCI 1.1 Link/2-port PHY Controller (rev 01).
Software information: ffado built from svn, jack 1.9.8, kernel 3.5.3
PREEMT (no realtime patch) or 3.4.9-rt17 (with realtime patch), libraw
2.1.0.
No matter what I configure jack to run with, I get regular xruns every
few seconds whilst doing nothing. The last settings I tried were:
Frames/Period: 4096
Sample Rate: 96000
Periods/Buffer: 3
(Latency: 128ms)
And still no avail, results are like this, just after starting, without
actually doing anything:
19:02:48.093 XRUN callback (1).
19:03:03.002 XRUN callback (2).
19:03:05.713 XRUN callback (3).
19:03:08.257 XRUN callback (4).
19:03:12.160 XRUN callback (5).
Interrupt information:
21: 0 1 1 33 1087 339542 IO-APIC-fasteoi firewire_ohci
Things I tried:
Basically everything suggested by the realTimeConfigQuickScan tool, like
changing CPU governor to "performance" or decreasing swappiness.
I am member of the "audio" groups, which has the following permissions,
as per limits.conf:
@audio - rtprio 99
@audio - memlock 8388608
@audio - nice -5
/dev/rtc and /dev/hpet are both read- and writeable by group "audio".
# /etc/init.d/rtirq status
PID CLS RTPRIO NI PRI %CPU STAT COMMAND
1075 FF 90 - 130 0.0 S irq/8-rtc0
1407 FF 85 - 125 0.4 S irq/21-firewire
1063 FF 80 - 120 0.0 S irq/1-i8042
[...]
Any advice on what I could be missing? The same system was working some
time ago, so I really don't know what I did wrong this time. For even
further information, below is the output of ffado-diag:
many thanks,
Sebastian
$ ffado-diag
FFADO diagnostic utility 2.999.0-Unversioned directory
============================
(C) 2008 Pieter Palmers
2009-2010 Arnold Krille
=== CHECK ===
Base system...
kernel version............ 3.5.3-gentoo
Preempt (low latency)... True
RT patched.............. False
old 1394 stack present.... False
old 1394 stack loaded..... False
old 1394 stack active..... False
new 1394 stack present.... True
new 1394 stack loaded..... True
new 1394 stack active..... True
/dev/raw1394 node present. False
/dev/fw* permissions:
crw------- 1 root root 248, 0 Sep 14 18:14 /dev/fw0
crw-rw----+ 1 root audio 248, 1 Sep 14 18:25 /dev/fw1
User IDs:
uid=1000(rose) gid=10(wheel)
groups=10(wheel),4(adm),5(tty),6(disk),7(lp),14(uucp),16(cron),18(audio),19(cdrom),27(video),81(apache),85(usb),100(users),102(davfs2),250(portage),407(crontab),1001(games),1002(plugdev),1010(kvm)
Prerequisites (dynamic at run-time)...
gcc ............... gcc (Gentoo 4.6.3 p1.6, pie-0.5.2) 4.6.3
g++ ............... g++ (Gentoo 4.6.3 p1.6, pie-0.5.2) 4.6.3
PyQt4 (by pyuic4) . Python User Interface Compiler 4.9.4 for Qt
version 4.8.2
jackd ............. no message buffer overruns
path ............ /usr/bin/jackd
flags ........... -L/usr/lib -ljack
libraw1394 ........ 2.1.0
flags ........... -lraw1394
libavc1394 ........ 0.5.4
flags ........... -lavc1394 -lrom1394 -lraw1394
libiec61883 ....... 1.1.0
flags ........... -liec61883 -lraw1394
libxml++-2.6 ...... 2.34.2
flags ........... -I/usr/include/libxml++-2.6
-I/usr/lib64/libxml++-2.6/include -I/usr/include/libxml2
-I/usr/include/glibmm-2.4 -I/usr/lib64/glibmm-2.4/include
-I/usr/include/sigc++-2.0 -I/usr/lib64/sigc++-2.0/include
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -lxml++-2.6
-lxml2 -lglibmm-2.4 -lgobject-2.0 -lsigc-2.0 -lglib-2.0
dbus-1 ............ 1.6.4
flags ........... -I/usr/include/dbus-1.0
-I/usr/lib64/dbus-1.0/include -ldbus-1
Prerequisites (static at compile-time)...
gcc ............... gcc (Gentoo 4.6.3 p1.6, pie-0.5.2) 4.6.3
g++ ............... g++ (Gentoo 4.6.3 p1.6, pie-0.5.2) 4.6.3
PyQt4 (by pyuic4) . Python User Interface Compiler 4.9.4 for Qt
version 4.8.2
jackd ............. no message buffer overruns
path ............ /usr/bin/jackd
flags ........... -L/usr/lib -ljack
libraw1394 ........ 2.1.0
flags ........... -lraw1394
libavc1394 ........ 0.5.4
flags ........... -lavc1394 -lrom1394 -lraw1394
libiec61883 ....... 1.1.0
flags ........... -liec61883 -lraw1394
libxml++-2.6 ...... 2.34.2
flags ........... -I/usr/include/libxml++-2.6
-I/usr/lib64/libxml++-2.6/include -I/usr/include/libxml2
-I/usr/include/glibmm-2.4 -I/usr/lib64/glibmm-2.4/include
-I/usr/include/sigc++-2.0 -I/usr/lib64/sigc++-2.0/include
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -lxml++-2.6
-lxml2 -lglibmm-2.4 -lgobject-2.0 -lsigc-2.0 -lglib-2.0
dbus-1 ............ 1.6.4
flags ........... -I/usr/include/dbus-1.0
-I/usr/lib64/dbus-1.0/include -ldbus-1
uname -a...
Linux semkath-desktop 3.5.3-gentoo #2 SMP PREEMPT Fri Sep 14
10:13:08 CEST 2012 x86_64 AMD Phenom(tm) II X6 1090T Processor
AuthenticAMD GNU/Linux
Hardware...
Host controllers:
04:06.0 FireWire (IEEE 1394) [0c00]: NEC Corporation uPD72873
[Firewarden] IEEE1394a OHCI 1.1 Link/2-port PHY Controller [1033:00e7]
(rev 01) (prog-if 10 [OHCI])
Subsystem: NEC Corporation uPD72873 [Firewarden] IEEE1394a OHCI
1.1 Link/2-port PHY Controller [1033:00e7]
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 (5000ns min, 11000ns max), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 21
Region 0: Memory at fe9fe000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: firewire_ohci
CPU info:
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 6
On-line CPU(s) list: 0-5
Thread(s) per core: 1
Core(s) per socket: 6
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 16
Model: 10
Stepping: 0
CPU MHz: 3200.000
BogoMIPS: 6412.71
Virtualization: AMD-V
L1d cache: 64K
L1i cache: 64K
L2 cache: 512K
L3 cache: 6144K
NUMA node0 CPU(s): 0-5
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