At Wed, 20 Sep 2006 23:51:28 +0100, Luke Ross wrote: > > Hi, > > Last month I submitted a patch adding support for non-standard sample > rates to the snd-usb-audio driver [1], which was added to the ALSA GIT > tree. > > This works fine with 2.6.16 on i386 on one of my machines, but causes a > kernel panic on opening the sound device on my other machine (dual AMD > Opterton with x86_64 kernel). > > I need to go and hook up a serial cable to get the full panic, but the > gist of it is: > > Unable to handle kernel paging request > > snd_pcm_hw_refine+658 > snd_pcm_common_ioctl+423 > snd_pcm_hw_constraint_list+31 > snd_usb_pcm_open+976 > snd_pcm_hw_constraint_minmax+39 > > RIP: snd_pcm_hw_params_any > > I've had this on both 2.6.17 with only the above patch (which seems to > compile cleanly), and also on 2.6.18-rc7 with the MM patches whih > includes a git-alsa pull. > > Before I dig out the serial cable to get a full panic trace, is there > anything which I ought to be looking at as a first port of call, which > would explain why this happens on x86_64 bit not i386? Try to build with debug option. Maybe it comes from OSS emulation? Or are you using dmix? Takashi ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel