On Thu, Oct 14, 2010 at 12:33:34AM +0200, ??????? ??????? wrote: > On Thu, Oct 14, 2010 at 12:01 AM, Jacob Meuser <[email protected]> > wrote: > > On Wed, Oct 13, 2010 at 09:32:59PM +0200, ??????? ??????? wrote: > >> % ps -akx | grep usb > >> B B 8 ?? B DK B B B 0:00.26 (usbtask) > >> 24889 p1 B S+ B B B 0:00.01 grep usb > > > > is that while the urtw is causing problems? B maybe try > > 'top -S -n200 | grep usb' too. > > After inserting a usb device (3COM WiFi adapter mentioned in the first > mail) I get no notice on dmesg and following: > > % ps -akx | grep usb > 8 ?? DK 0:00.26 (usbtask) > 7243 p1 S+ 0:00.01 grep usb > % top -S -n 200 | grep usb > 8 root -6 0 0K 19M idle usbsyn 0:00 0.00% usbtask
"usbsyn" - there's a synchronous usb transfer not finishing. does this recover (i.e. usbtask thread is not waiting in usbsyn) when you remove the device? does this happen with all usb devices? does it happen in all usb ports? -- [email protected] SDF Public Access UNIX System - http://sdf.lonestar.org
