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Re: jackd trouble



Jan C. Nordholz wrote:
On Tue, Feb 15, 2005 at 06:06:33PM -0600, Henry Hollenberg wrote:

Looks better:

opie:/lib/modules/2.6.8_2.15.2005# modprobe snd-seq
opie:/lib/modules/2.6.8_2.15.2005# lsmod
Module                  Size  Used by
snd_seq_midi            6560  0
snd_seq_oss            30080  0
snd_seq_midi_event      6016  2 snd_seq_midi,snd_seq_oss
snd_seq                45968  5 snd_seq_midi,snd_seq_oss,snd_seq_midi_event
radeon                123684  2
pcmcia_core            51908  0
af_packet              12552  2
ide_scsi               13700  0
sg                     32672  0
scsi_mod               74560  2 ide_scsi,sg
snd_intel8x0           29320  1
snd_ac97_codec         64388  1 snd_intel8x0
snd_pcm_oss            47656  0
snd_mixer_oss          17152  2 snd_pcm_oss
snd_pcm                79880  2 snd_intel8x0,snd_pcm_oss
snd_timer              19716  2 snd_seq,snd_pcm
snd_page_alloc          8968  2 snd_intel8x0,snd_pcm
snd_mpu401_uart         5888  1 snd_intel8x0
snd_rawmidi            19236  2 snd_seq_midi,snd_mpu401_uart
snd_seq_device          6536  3 snd_seq_midi,snd_seq_oss,snd_rawmidi
snd 44772 13 snd_seq_midi,snd_seq_oss,snd_seq_midi_event,snd_seq,snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
soundcore               7008  2 snd
hw_random               4500  0
ehci_hcd               38020  0
uhci_hcd               29068  0
usbcore               109540  4 ehci_hcd,uhci_hcd
intel_agp              19232  1
joydev                  8000  0
evdev                   7424  0
nls_iso8859_1           3968  1
nls_cp437               5632  1
vfat                   11264  1
fat                    38336  1 vfat
unix                   21428  454

opie:/lib/modules/2.6.8_2.15.2005# cd /dev/snd
opie:/dev/snd# ls
controlC0 pcmC0D0c pcmC0D0p pcmC0D1c pcmC0D2c pcmC0D3c pcmC0D4p seq timer


Fine. Add snd_seq to /etc/modules, so it gets loaded automatically
in the future.


$ jackd -d alsa

still gives me alot of
**** alsa_pcm: xrun of at least 2.398 msecs
**** alsa_pcm: xrun of at least 9.354 msecs
**** alsa_pcm: xrun of at least 64.750 msecs
**** alsa_pcm: xrun of at least 59.304 msecs
**** alsa_pcm: xrun of at least 4.890 msecs


Hm, jackd is losing synchronization - under 2.6, the X server should run
at nice 0, not in the negative range anymore... check
/etc/X11/Xwrapper.config
This has improved sound output (xmms) a lot on my system. Before, xmms
always skipped some frames when I scrolled between virtual screens.

But getting rid of jackd's xruns is a science on its own, and I'm not
very knowledgeable about that...


$ rosegarden4

seemed to start up OK though....since I've never used it I don't know how to test it for sound output!

and I can't seem to get my cdrom to play any music anymore to test sound that way.
The gnome-cd app just says "Drive Error".

It works fine when I boot with my 2.4.26 kernel...ide-scsi and such...

ide-scsi is deprecated in 2.6, and the CD drives should use the ide-cd
driver now (check your kernel config in the ATA/... section for IDE CD
support). Can you mount data CDs?

Nope, couldn't find the cd device anymore....I tried to load the ide-cd
module earlier today and it threw and error....

but now of course it loads fine and I have all sorts of CD's available
in /dev

and I can mount and read a CD, still can't play one though....tried
gnome-cd and alsaplayer

I'll keep playing with it.

sleep well!


--
Henry Hollenberg
hgh@rcwm.com



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