snd-usb-audio HP-107 midi broke at 2.6.13 or 2.6.14

snd-usb-audio HP-107 midi broke at 2.6.13 or 2.6.14

[Harri Järvi]

Hello,

I have Roland HP-107 with builtin USB support. I have successfully used 
it with snd-usb-audio on Linux 2.6.8, 2.6.10 and 2.6.12.3.

On 2.6.14.4 and 2.6.14.5 it doesn't work. I replaced the sound/usb 
directory of 2.6.14.5 from 2.6.12.3 to test if the problem can be
isolated to that directory. I got it compiled with removing the two 
lines that the compiler complained about. And it worked well.

I can reproduce the problem on both i386 and powerpc. On i386 I have 
uhci and on powerpc I have ohci.

Output from kernel on 2.6.14.5 with faulty snd-usb-audio is as follows:

usb 2-1: new full speed USB device using ohci_hcd and address 2
snd-usb-audio: probe of 2-1:1.0 failed with error -5
usbcore: registered new driver snd-usb-audio

Output from a working kernel version (2.6.12.3) is as follows:

usb 2-1: new full speed USB device using ohci_hcd and address 2
usbcore: registered new driver snd-usb-audio

On 2.6.14.4 and 2.6.14.5 I could get Edirol UM 1-SX to work.

Yours,
Harri Järvi

PS. Please Cc me when replying.


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Re: snd-usb-audio HP-107 midi broke at 2.6.13 or 2.6.14

[Lee Revell]

On Sun, 2006-01-01 at 21:34 +0200, Harri Järvi wrote:
> Hello,
> 
> I have Roland HP-107 with builtin USB support. I have successfully used 
> it with snd-usb-audio on Linux 2.6.8, 2.6.10 and 2.6.12.3.
> 
> On 2.6.14.4 and 2.6.14.5 it doesn't work. I replaced the sound/usb 
> directory of 2.6.14.5 from 2.6.12.3 to test if the problem can be
> isolated to that directory. I got it compiled with removing the two 
> lines that the compiler complained about. And it worked well.
> 
> I can reproduce the problem on both i386 and powerpc. On i386 I have 
> uhci and on powerpc I have ohci.
> 
> Output from kernel on 2.6.14.5 with faulty snd-usb-audio is as follows:
> 
> usb 2-1: new full speed USB device using ohci_hcd and address 2
> snd-usb-audio: probe of 2-1:1.0 failed with error -5
> usbcore: registered new driver snd-usb-audio
> 
> Output from a working kernel version (2.6.12.3) is as follows:
> 
> usb 2-1: new full speed USB device using ohci_hcd and address 2
> usbcore: registered new driver snd-usb-audio
> 
> On 2.6.14.4 and 2.6.14.5 I could get Edirol UM 1-SX to work.
> 
> Yours,
> Harri Järvi
> 
> PS. Please Cc me when replying.

Please use ALSA CVS to do a binary search ("cvs update -D 2005-11-01
-A", "cvs update -D 2005-12-01 -A", "cvs update -D 2005-11-15" etc) and
isolate the exact change that caused the problem.

Lee



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Re: snd-usb-audio HP-107 midi broke at 2.6.13 or 2.6.14

[Harri Järvi]

On Sun, Jan 01, 2006 at 14:41:34 -0500, Lee Revell wrote:
> Harri Järvi wrote:
> > usb 2-1: new full speed USB device using ohci_hcd and address 2
> > snd-usb-audio: probe of 2-1:1.0 failed with error -5
> > usbcore: registered new driver snd-usb-audio
> > 
> > PS. Please Cc me when replying.
> 
> Please use ALSA CVS to do a binary search ("cvs update -D 2005-11-01
> -A", "cvs update -D 2005-12-01 -A", "cvs update -D 2005-11-15" etc) and
> isolate the exact change that caused the problem.

I'm sorry, I need a bit advice here. I'm not sure how to do this. Should 
I look at alsa-driver or alsa-kernel?

Is there howto for trying different versions of alsa drivers from CVS? I 
seem to run into compilation problems and incompatibilities with kernel 
versions when trying to get different versions from ALSA CVS.

I tried both alsa-driver and alsa-kernel. With alsa-kernel I could 
confirm that snd-usb-audio works for me at -D 2005-10-01, 2005-11-01, 
2005-11-15 but I couldn't get it compile at 2005-12-01. Then I started 
to look at the alsa-driver but I couldn't get that compile. It 
complained about rejected hunks in patches when patching ../alsa-kernel.

Any pointers on how to do this?

Yours,
Harri


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Re: snd-usb-audio HP-107 midi broke at 2.6.13 or 2.6.14

[Lee Revell]

On Tue, 2006-01-03 at 21:21 +0200, Harri Järvi wrote:
> On Sun, Jan 01, 2006 at 14:41:34 -0500, Lee Revell wrote:
> > Harri Järvi wrote:
> > > usb 2-1: new full speed USB device using ohci_hcd and address 2
> > > snd-usb-audio: probe of 2-1:1.0 failed with error -5
> > > usbcore: registered new driver snd-usb-audio
> > > 
> > > PS. Please Cc me when replying.
> > 
> > Please use ALSA CVS to do a binary search ("cvs update -D 2005-11-01
> > -A", "cvs update -D 2005-12-01 -A", "cvs update -D 2005-11-15" etc) and
> > isolate the exact change that caused the problem.
> 
> I'm sorry, I need a bit advice here. I'm not sure how to do this. Should 
> I look at alsa-driver or alsa-kernel?

The whole thing (cvs co .).  Much easier than checking out alsa-kernel
and alsa-driver separately.

Lee



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