On Tue, 18 Feb 2014, [windows-1252] Michal �mucr wrote: > On 17.2.2014 20:48, Alan Stern wrote: > > > > This isn't a USB problem. > > > Hello, > > I'm experiencing very similar messages after every disconnection of USB > soundcard (snd-usb-audio module). During searching for other similar > occurrences of message, i've found few patches. One kind basically > prevents sysfs from popping those messages at sysfs group attribute > removal - https://lkml.org/lkml/2013/11/23/102 and isn't included in > 3.14-rc2, other kind of patches, if i got that correctly, fixes removal > ordering or its visibility at underlying subsystem (eg. SCSI, PCI for > Thunderbolt hotplugging) to make sysfs happy. > Do you know, that there was some general decision, to intentionally > don't modify sysfs and fix that for every subsystem, which triggers that > messages? Yes, there was indeed such a decision. > Just asking, because then it would be probably nice to modify something > also at USB audio.. > > my dmesg with WARNING: > http://vpub.smucr.cz/pub/bbb/debug/dmesg-reconnections.log > and i probably not alone: > http://forums.funtoo.org/viewtopic.php?pid=10327 If you want to pursue this, you should contact the alsa-devel mailing list and the maintainers of the Sound subsystem. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
