Am Montag, 20. Juli 2009 09:56:48 schrieb Manuel Lauss: > Hi Oliver, > > While testing a CDC-ACM usb device I encoutered these warnings when > closing the ttyACM device: > > WARNING: at linux-2.6.git/drivers/usb/host/ehci-hcd.c:908 > ehci_urb_dequeue+0x190/0x198() > Modules linked in: > Call Trace: > [<80107158>] dump_stack+0x8/0x34 > [<8012a468>] warn_slowpath_common+0x70/0xb0 > [<802e3968>] ehci_urb_dequeue+0x190/0x198 > [<802ced70>] usb_hcd_unlink_urb+0xc0/0xf4 > [<802d0320>] usb_kill_urb+0x54/0xfc > [<802ec9d8>] acm_port_down+0x21c/0x278 > [<802ecd94>] acm_tty_close+0x5c/0xb8 > [<8025f314>] tty_release_dev+0x17c/0x580 > [<8025f728>] tty_release+0x10/0x20 > [<8018f078>] __fput+0xf4/0x248 > [<8018af78>] filp_close+0x68/0x98 > [<8018b054>] sys_close+0xac/0xd8 > [<80102260>] stack_done+0x20/0x3c This points to an ehci problem. Alan? Regards Oliver -- 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
