Problhma eggrafhs hxoy sto line in ths kartas

Tue Feb 7 21:41:02 EET 2006

Geia soy Manwlh

> Amesotates oi apanthseis gia shmera, e?

Nai kalytera, toylaxiston an einai na ly8ei to problhma as ly8ei mia wra
nwritera :)

> ligo poly, an grapseis 
> $ lspci -vvv
> tha deis metaksy (pollon) allon ti yliko exeis, kai an h karta soy einai PCI,
> kati poy theoro poly pithano, tha deis kai ti karta hxoy exeis.

Wraia to ekana ayto, metaksy twn allwn oi plhrofories poy mas endiaferoyne
einai (mallon) oi ekseis:

0000:01:07.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev
08)
	Subsystem: Creative Labs CT4832 SBLive! Value
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping-
SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
	Latency: 32 (500ns min, 5000ns max)
	Interrupt: pin A routed to IRQ 19
	Region 0: I/O ports at a000 [size=32]
	Capabilities: <available only to root>

0000:01:07.1 Input device controller: Creative Labs SB Live! MIDI/Game Port
(rev 08)
	Subsystem: Creative Labs Gameport Joystick
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping-
SERR- FastB2B-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
	Latency: 32
	Region 0: I/O ports at a400 [size=8]
	Capabilities: <available only to root>

> Gia ta modules poy trexoyn kai den einai a priori ston pyrhna mporeis na
> kaneis
> $ lsmod
> Gia ta modules poy einai built-in, rikse mia matia sto /var/log/dmesg kai
> sto /var/log/messages (h opou alloy o syslogd afhnei ta mhnymata toy), gia na

Ok egine kai ayto, metaksy twn allwn exw arketa modules gia hxo (snd) sto lsmod

(an kanw lsmod | grep snd moy bgazei:
snd_emu10k1_synth       7680  0
snd_emux_synth         35072  1 snd_emu10k1_synth
snd_seq_virmidi         7808  1 snd_emux_synth
snd_seq_midi_emul       7168  1 snd_emux_synth
snd_seq_dummy           4484  0
snd_seq_oss            32128  0
snd_seq_midi            9920  0
snd_seq_midi_event      8064  3 snd_seq_virmidi,snd_seq_oss,snd_seq_midi
snd_seq                52032  9
snd_emux_synth,snd_seq_virmidi,snd_seq_midi_emul,snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_emu10k1           109476  2 snd_emu10k1_synth
snd_rawmidi            27040  3 snd_seq_virmidi,snd_seq_midi,snd_emu10k1
snd_seq_device          9488  8
snd_emu10k1_synth,snd_emux_synth,snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq,snd_emu10k1,snd_rawmidi
snd_ac97_codec         87000  1 snd_emu10k1
snd_pcm_oss            51232  0
snd_mixer_oss          17664  1 snd_pcm_oss
snd_pcm                91020  3 snd_emu10k1,snd_ac97_codec,snd_pcm_oss
snd_timer              24200  3 snd_seq,snd_emu10k1,snd_pcm
snd_page_alloc         11408  2 snd_emu10k1,snd_pcm
snd_util_mem            5376  2 snd_emux_synth,snd_emu10k1
snd_hwdep              10784  2 snd_emux_synth,snd_emu10k1
snd                    55784  15
snd_emux_synth,snd_seq_virmidi,snd_seq_oss,snd_seq,snd_emu10k1,snd_rawmidi,snd_seq_device,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_hwdep
soundcore              10912  1 sn)

kai diafora alla sto dmesg apo o,ti blepw. Psaxnw gia kapoio sygkekrimeno
module;

> deis ta mhnymata poy afhnoyn kathos ksekinoyn kai na entopiseis pithana
> sfalmata. Polles plhrofories tha breis logika kai kato apo to /sys (google it
> ligo, exei ta kerata toy mesa afto to directory, elpizo sto /sys/class/sound
> na

Apo o,ti blepw kai otan arxizei o ypologisths de moy bgazei kapoio sfalma.
Psaxnei gia ALSA, th briskei kai synexizei. Sto /sys/class/sound exie arketoys
ypokatalogoys, aytos poy endiaferei kyriws einai (nomizw) o dsp, o opoios exei
mesa ena mono arxeio "dev" me tis plhrofories "14:3" poy den katalabainw ti
einai. Telos pantws de nomizw na mas boh8hsoyne ayta ta arxeia mesa sto
/sys/class/sound apo o,ti blepw ola ta idia einai.

> Eidika de to ALSA tha soy afhsei info cato apo to /proc/asound

Nai ekei exei arketes plhrofories gia ton hxo kai ta modules, ti akribws omws
psaxnw na brw; Exw mperdeytei me oles aytes tis plhrofories. An psaxnw gia
karta hxoy th briskei me;

cat /proc/asound/cards
0 [Live           ]: EMU10K1 - SBLive! Value [CT4832]
                     SBLive! Value [CT4832] (rev.8, serial:0x80271102) at
0xa000, irq 19

> Ypotheto mporeis na breis kai alloys 100 tropoys na arithmiseis to yliko soy
> kai
> toys drivers (psakse ksana sto google gia afto, yparxoyn tonoi plhroforias),
> de

Sigoyra yparxoyne tropoi, alla 8a h8ela na apari8mhsw tis plhrofories poy mas
endiaferoyne kai oxi oles poy yparxoyne mesa sta configuration arxeia. Kai gia
na eimai eilikrinhs den eimai sigoyros poies plhrofories 8a me boh8oysane na
lysw to problhma, ektos apo ayta poy exw hdh dokimasei mesw toy GUI.

> eksakoytho na nomizo oti o mixer gia afto to driver (EMU10k1) einai
> periergos.

Mporw na ton allaksw h exw kollhsei me ayton; Pantws moy kanei entypwsh oti apo
thn onboard karta hxoy mporw na hxografhsw (estw kai an o hxos den einai
ikanopoihtikos) enw apo thn plugged in Soundblaster oxi.

> Paikse ligo akoma me ta recording controls toy mixer soy, rikse kai mia matia
> me
> $ amixer scontents

Ok kai ayto to ekana. Apo o,ti blepw oi plhrofories poy parexei h entolh
"amixer scontents" einai oi plhrofories se text poy moy dinei kai o alsamixer.
Epaiksa me ta kanalia kai tis epiloges toy alsamixer, peiramatisthka me
diaforetika configuration, ekana mute/unmute klp alla eis mathn. Den kserw ti
symbainei. Diabaza prin apo ligo to forum toy ubuntu kai apo o,ti blepw einai
*para polloi* aytoi poy exoyne problhma eggrafhs hxoy, isws telika na einai
problhma toy ubuntu. Epishs trexw kai windows mesw vmware kai oyte kai apo ekei
mporw na hxografhsw, logiko einai afoy trabane ton hxo mesw toy Ubuntu, an exei
problhma to ubuntu 8a exei problhma kai to vmware.

> Opos katalabaineis exo genika mia sympatheia me ta command line tools ;P

Nai to eida :) Egw pali 8elw apla pramatakia, ena GUI, dyo tria klik na
teleiwnw. Th doyleia moy 8elw na kanw, oxi na faw olo to apogeyma.

> Den exo idea (dystyxos) ti einai o Multimedia System Selector kai den ksero
> ti

Einai to gstreamer-properties se GUI, ena para8yro poy se boh8aei na epilekseis
apo poy na akoys/blepeis multimedia (ALSA, OSS, ESD, Video for linux klp)

> einai afto to lathos. ;( Edo prepei na se syndramei kapoios poy kserei.
> Kratao
> ena guess mhpos to ubunbtu trexei kanena periergo daemon poy apasxolei thn
> karta hxoy soy (an kai DEN EXO IDEAN na tekmhrioso afto poy leo). Kane google
> to sfalma poy soy bgazei. Exeis poly sovarh pithanothta na to exei pathei
> afto
> kapoios allos prin apo esena kai na exei postarei se mia antistoixh lista kai
> na toy exoyn lysei to problhma.

To epsaksa hdh sto google, ekana kapoia pramatakia poy proteinane alla kai pali
to problhma de ly8hke.

> Logika den prepei na einai toy audacity. An to ftiakseis tha doylevoyn oles
> oi
> efarmoges.

Ayto pisteyw ki egw an ki exw apelpistei. Edw kai dyo meres prospa8w na to
ftiaksw alla de ginetai tipota. Apo thn arxh eixa problhma me ton hxo, mia de
moy epaize h onboard karta, twra den paizei to line in. Kata pasa pi8anothta
einai problhma toy ubuntu poy exw.

> Opos katalabaineis, thelei oreksh na exeis na psaxneis! Kai oso psaxneis tha
> mathaineis. Kai oso mathaineis, tha ginesai kalyteros... Kai afto mporei na
> ftiaxnei! To linux soy dinei, logo open source, mia eksaireth efkairia gia
> afto! Ekmetalefsoy thn ;)

Den exeis adiko, an kataferw kai to kanw na doylepsei sigoyra 8a exw ma8ei. An
oxi xamenos xronos :)

Eyxaristw gia th boh8eia soy.

Panos

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