(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Mon, 15 Feb 2010 20:30:07 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=15320 > > Summary: repeated "reset high speed USB device" messages > Product: Drivers > Version: 2.5 > Kernel Version: 2.6.30+ > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: low > Priority: P1 > Component: HotPlug > AssignedTo: greg@xxxxxxxxx > ReportedBy: duoran.nurt@xxxxxxxxx > Regression: No > > > Created an attachment (id=25054) > --> (http://bugzilla.kernel.org/attachment.cgi?id=25054) > 20 lines of dmesg prior to card insertion > > I recently installed a card reader (Ultron UCR 75in1) which connects to an > internal USB port. This reader produces or triggers the following message every > couple of minutes: > > usb 7-5: reset high speed USB device using ehci_hcd and address 4 > > At first, I assumed a hardware or cable issue, as this was the cause of bug > #10852 which deals with the same basic issue. However, there is one key > difference: the messages stop permanently as soon as I insert a card into the > reader, even if I remove it a few seconds later. > > I have observed this behaviour both with my custom kernel (2.6.32.8) and with a > stock kernel provided by Debian (2.6.30, via backports). The messages appear > much less frequent - about one every 30 minutes - on the distro kernel. > > I have attached: > 1) the last 20 lines of dmesg prior to inserting a card > 2) dmesg output after inserting a card > 3) output of lsusb -s -v for the reader > > I cannot tell if this is a hardware or kernel issue, so I'm reporting it just > in case. -- 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
