Le Tue, 22 Jan 2013 22:06:46 +0100, Dominique Michel <dominique.michel@xxxxxxxxx> a écrit : > Le Tue, 22 Jan 2013 12:42:50 +0000 (UTC), > User <pktksw@xxxxxxxxxxxxxxxxx> a écrit : > > > Hello, > > > > May be someone can have a clue to this problem: > > > > ALSA on a SB Live! using kernel 2.6.xx is PERFECT. > > No problems at all. > > > > **BUT** on the very SAME SYSTEM (same perms on /dev > > /proc is fine and /sys is ok as well - and the same > > module loading sequence is used just fine) where THE > > ONLY UNIQUE diff is the kernel version.... > > > > Where version 2.6.xx is PERFECT, every version 3.x > > is LOADING JUST FINE, but ALSA CAN NOT FIND A > > SOUNDCARD > > > > -- BUT!!!! note that this detail is driving me nuts... > > > > - ALSA_OSS CAN!!! AND IS JUST PERFECT, where plain > > ALSA tools (aplay, amix, etc) are just lost without > > a soundcard found..... ALSA_OSS IS WORKING JUST FINE. > > E.g. kernel driver ok, devices ok.... but aplay rant: > > > > - No soundcards found.... > > > > Did I miss something ? UDEV? or some new kernel parmameter > > out of my understanding ? Perms are fine... the driver is fine... > > > > But aplay rant is not... it can not "open" the sound device /dev > > despite OSS can and ALL STUFF IS OK in kernel 2.6.xx just PERFECT! > > > > Any hint is welcome. > > I think you must be much more specific. To begin with, which was the > last working 2.6 kernel, and which 3.x kernel did you try? > > I am not a kernel guru, but I know that many core packages depends on > the kernel headers. That imply that, in order to insure a good system > consistency, you must install the kernel headers with every kernel > upgrade, and recompile all the packages that depend on them. > > Using the packages from a distribution will do those updates for you, > but if you are upgrading the kernel yourself, you are on your own with > this kernel headers problematic. Of course, you can use the kernel headers from your distribution with your own (rt-)kernel, but for that, both must be of the same version. > If you don't make those updates, or > make them in a non correct order, anything inclusive the most strange > and hard to solve bugs can append, and bigger the steps between the > kernels, more problems can, and will, arise. > > Also, you should run this script > http://www.alsa-project.org/alsa-info.sh > and when prompted, upload the information and share the link with us. > > And last but not least: don't use a rt-kernel during compiling - gcc > can crash, or worst, it can produce wrong code with them, that even in > case of successful compilation. Use a vanilla or the recommended > kernel from your distribution when compiling. > > Ciao, > Dominique > > > > > Regards > > Thanx. > > > > > > ------------------------------------------------------------------------------ > > Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, > > MVC, Windows 8 Apps, JavaScript and much more. Keep your skills > > current with LearnDevNow - 3,200 step-by-step video tutorials by > > Microsoft MVPs and experts. ON SALE this month only -- learn more > > at: http://p.sf.net/sfu/learnnow-d2d > > _______________________________________________ > > Alsa-user mailing list > > Alsa-user@xxxxxxxxxxxxxxxxxxxxx > > https://lists.sourceforge.net/lists/listinfo/alsa-user > > -- "We have the heroes we deserve." ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. ON SALE this month only -- learn more at: http://p.sf.net/sfu/learnnow-d2d _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
