On 05/27/2018 01:08 PM, Takashi Iwai wrote: > On Sun, 27 May 2018 11:34:07 +0200, > Daniel Danzberger wrote: >> >> On 05/25/2018 02:20 PM, Takashi Iwai wrote:> It's likely because of the cache >> coherency issue on ARM. >>> Currently USB-audio driver uses the buffer via vmalloc() for the >>> intermediate buffer, and this may go out of sync on non-coherent arch >>> like ARM. >>> >>> Does the patch below help? Not sure whether it works on ARM at all, >>> as I've tested only on x86. >> Your patch works. I cannot reproduce the issue anymore. Thanks. > > Good to hear. Below is the revised version, so that the behavior can > be controlled via use_vmalloc option for snd-usb-audio module. > Could you check whether this still works? it works. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
