On Tue, 18 Sep 2012, Thomas Voegtle wrote: > Hello, > > With 3.6.0-rc6 I see a lot of these lines: > [ 216.240493] ehci_hcd 0000:00:10.4: Waited too long for the async > schedule status, giving up > > So about 2 in a second. Can you provide a usbmon trace for that bus? Instructions are in Documentation/usb/usbmon.txt. Also, it would help to see the contents of /sys/kernel/debug/usb/devices. > There is a DVB-C USB Device (Technotrend TT-connect CT-3650) plugged in. > I don't have any problem with it, can watch TV or recording with it. > > When I remove that device, no more complaining. > > What's wrong with my setup? Maybe my .config might be a little bit > strange, I use this machine mainly for testing (and streaming DVB-C) Probably nothing is wrong with your setup; most likely the problem is in your EHCI hardware. What does "lspci -v" show? Probably I should downgrade that warning to a debug statement, or maybe do a printk_once sort of thing. 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
