We can not call put_device() from irq context :( I added a "might_sleep()" to the driver core and get the following from the ehci driver. Any thoughts?
thanks, greg k-h Debug: sleeping function called from invalid context at drivers/base/core.c:343 in_atomic():1, irqs_disabled():0 [<c012006d>] __might_sleep+0x9e/0xa6 [<c0270400>] put_device+0x1c/0x35 [<f883ebde>] usb_hcd_giveback_urb+0x23/0x84 [usbcore] [<f8820f40>] ehci_urb_done+0x8d/0xcf [ehci_hcd] [<f8821138>] qh_completions+0x1b6/0x359 [ehci_hcd] [<f882208d>] scan_async+0x8a/0x13f [ehci_hcd] [<f8824e77>] ehci_work+0x59/0xd2 [ehci_hcd] [<f88255d7>] ehci_irq+0x185/0x336 [ehci_hcd] [<c0106a10>] do_gettimeofday+0x1e/0xbf [<c0127ae5>] getnstimeofday+0x14/0x2a [<c0139f6c>] ktime_get_ts+0x5e/0x66 [<c0139ea3>] ktime_get+0x1b/0x43 [<c013a521>] hrtimer_run_queues+0x50/0xf9 [<f883ec6f>] usb_hcd_irq+0x30/0x68 [usbcore] [<c0144b18>] handle_IRQ_event+0x39/0x6d [<c0144bd4>] __do_IRQ+0x88/0xfc [<c0105789>] do_IRQ+0x19/0x24 [<c0103b82>] common_interrupt+0x1a/0x20 [<c01012a5>] mwait_idle+0x2a/0x34 [<c0101103>] cpu_idle+0x7f/0xb4 [<c041e898>] start_kernel+0x166/0x17f [<c041e2b6>] unknown_bootoption+0x0/0x1e0 ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
