Clemens Ladisch wrote:
ocset wrote:
Clemens Ladisch wrote:
ocset wrote:
The keyboard is immediately recognized and I can use it as a midi
device. However, when I try to reboot my laptop, ALSA never shuts down
and the machine can only be re-booted with the on-off switch.
Which kernel version?
2.6
Some 2.6.x kernels had problems with USB unloading. Try 2.6.5.
Will do!
What happens when you try to unload the modules (snd-usb-audio,
*uhci*, *ohci*, usbcore) manually?
how would I go about doing that?
rmmod snd-usb-audio
rmmod uhci-hcd
Manual unload did not help - will wait until I upgrade to the 2.6.5
kernel
Another curious thing is that there is a /dev/snd/midiC0D0 device
present at startup even though no midi device is connected.
What are the contents of /proc/asound/cards at this time?
Only the entry for the sound card
0 [CS46xx ]: CS46xx - Sound Fusion CS46xx
Sound Fusion CS46xx at 0xe8122000/0xe8000000, irq 11
The midiC0D0 file is for the MIDI port of your first sound card.
System 2.
Suse 9.1 on a Dell desktop
This is a standard install of SUSE 9.1 except for the fact that I have
upgraded ALSA to version 1.0.4 in order to get support for the above
mentioned Yamaha keyboard. However, the keyboard is not recognized. The
message log shows the usb device being identified, but nothing else
seems to happen. There is no new entry in the /proc/asound/cards file.
What are the messages? Does the snd-usb-audio module get loaded?
Does it work if you load it manually?
The messages in the /var/log/message file is as follows:
********** /var/log/messages
Apr 20 22:39:49 linux kernel: hub.c: new USB device 00:1f.2-1, assigned address 2
Apr 20 22:39:49 linux kernel: usb.c: USB device 2 (vend/prod 0x499/0x1020) is
not claimed by any active driver.
There should be a bunch of messages from the hotplug scripts. Please
make sure that hotplugging is enabled.
Hotplugging works as I am able to connect other USB devices like my
"MidiSport 4x4" device and Palm cradle without problems.
I did an lsmod and the snd-usb-audio module is not listed. I used
"insmod snd-usb-audio" and it loaded the module successfully but it
does not seem to make any difference. The system log entry is the same
as above.
The entry in the /proc/asound/cards file is as follows:
********** /proc/asound/cards
0 [I82801AAICH ]: ICH - Intel 82801AA-ICH
Intel 82801AA-ICH at 0xd800, irq 10
Even after you've loaded snd-usb-audio?
What are the contents of /proc/bus/usb/devices?
********** /proc/bus/usb/devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI Root Hub
S: SerialNumber=ff80
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 12 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0499 ProdID=1020 Rev= 1.00
S: Manufacturer=YAMAHA Corporation
S: Product=YAMAHA EZ-250i
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=ff Driver=(none)
E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
**********
Thanks
0
Regards,
Clemens
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