On Mon, 18 Mar 2013 10:25:10 -0700 Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> wrote: > When a device attached to the roothub is suspended, the endpoint rings > are stopped. The host may generate a completion event with the > completion code set to 'Stopped' or 'Stopped Invalid' when the ring is > halted. The current xHCI code prints a warning in that case, which can > be really annoying if the USB device is coming into and out of suspend. > > Remove the unnecessary warning. > > Signed-off-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> > --- > > Stephen, will you try this patch, and see if your warnings go away? > > Thanks, > Sarah Sharp The xHCI warnings go away, but using 3.9-rc3 gives a new warning from USB. Not sure what colord is doing, I have not color controlled devices on USB, is it searching for a scanner (there is none)? [ 240.492536] INFO: task colord-sane:3517 blocked for more than 120 seconds. [ 240.492542] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.492545] colord-sane D 0000000000000002 0 3517 1 0x00000000 [ 240.492552] ffff88040b4e7808 0000000000000046 0000000000000292 ffff8803fb10a040 [ 240.492560] ffff88040b4e77b8 ffff88040b754300 ffff88040b4e7fd8 0000000000013700 [ 240.492570] ffff88040b4e7fd8 ffff88040b754300 ffff88040b4e7818 ffff88040dc46300 [ 240.492579] Call Trace: [ 240.492590] [<ffffffff814f5b5d>] schedule+0x65/0x67 [ 240.492597] [<ffffffff813d0298>] usb_kill_urb+0xba/0xd8 [ 240.492603] [<ffffffff8109067c>] ? bit_waitqueue+0x8c/0x8c [ 240.492608] [<ffffffff813d0cbb>] usb_start_wait_urb+0x91/0xd4 [ 240.492613] [<ffffffff813d0f25>] usb_control_msg+0xce/0x100 [ 240.492618] [<ffffffff814f6cad>] ? _raw_spin_unlock_irqrestore+0x3f/0x55 [ 240.492623] [<ffffffff813d1046>] usb_get_status+0x78/0xa4 [ 240.492628] [<ffffffff813cb541>] usb_port_resume+0x23a/0x3ae [ 240.492635] [<ffffffff810b71f1>] ? mark_held_locks+0x55/0x99 [ 240.492639] [<ffffffff814f6c59>] ? _raw_spin_unlock_irq+0x2e/0x43 [ 240.492645] [<ffffffff813da1c4>] generic_resume+0x1c/0x1e [ 240.492650] [<ffffffff813d2ac8>] usb_resume_both+0x94/0x106 [ 240.492654] [<ffffffff813d3b86>] ? usb_runtime_suspend+0x5d/0x5d [ 240.492658] [<ffffffff813d3ba0>] usb_runtime_resume+0x1a/0x1c [ 240.492664] [<ffffffff8137844e>] __rpm_callback+0x34/0x5b [ 240.492669] [<ffffffff813784cb>] rpm_callback+0x56/0x79 [ 240.492674] [<ffffffff8137947c>] rpm_resume+0x38a/0x4a7 [ 240.492679] [<ffffffff8109067c>] ? bit_waitqueue+0x8c/0x8c [ 240.492684] [<ffffffff81379797>] ? __pm_runtime_resume+0x62/0x8d [ 240.492689] [<ffffffff813797a5>] __pm_runtime_resume+0x70/0x8d [ 240.492693] [<ffffffff813d34d5>] usb_autoresume_device+0x20/0x3f [ 240.492698] [<ffffffff813d90ec>] usbdev_open+0xc0/0x237 [ 240.492705] [<ffffffff81159d35>] chrdev_open+0x130/0x15b [ 240.492709] [<ffffffff81159c05>] ? cdev_put+0x25/0x25 [ 240.492714] [<ffffffff81154c3b>] do_dentry_open+0x182/0x227 [ 240.492718] [<ffffffff81154d15>] finish_open+0x35/0x41 [ 240.492722] [<ffffffff81161e99>] do_last+0x86d/0xa0c [ 240.492727] [<ffffffff8115fa44>] ? inode_permission+0x45/0x47 [ 240.492732] [<ffffffff811620fe>] path_openat+0xc6/0x32a [ 240.492736] [<ffffffff8116268c>] do_filp_open+0x38/0x86 [ 240.492742] [<ffffffff8116c30e>] ? spin_unlock+0x9/0xb [ 240.492747] [<ffffffff8116cf4d>] ? __alloc_fd+0xf3/0x104 [ 240.492751] [<ffffffff811559e0>] do_sys_open+0x6c/0xf9 [ 240.492755] [<ffffffff81155a8e>] sys_open+0x21/0x23 [ 240.492761] [<ffffffff814fdd82>] system_call_fastpath+0x16/0x1b -- 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
