Randomly after returning from S3 or enabling powersaving this trace goes to dmesg: [13108.297051] ehci-pci 0000:00:1a.0: power state changed by ACPI to D3cold [13115.552813] ------------[ cut here ]------------ [13115.552841] WARNING: at drivers/usb/core/urb.c:327 usb_submit_urb+0x360/0x370 [usbcore]() [13115.552843] URB ffff88020ea41000 submitted while active [13115.552845] Modules linked in: hidp hid veth cpufreq_stats bridge stp llc af_packet uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev rfcomm btusb bnep bluetooth qmi_wwan cdc_wdm qcserial usbnet usb_wwan usbserial mii iwldvm mac80211 snd_hda_codec_hdmi snd_hda_codec_realtek coretemp intel_powerclamp kvm_intel kvm iwlwifi snd_hda_intel cfg80211 snd_hda_codec e1000e snd_hwdep sdhci_pci ehci_pci snd_pcm ehci_hcd thinkpad_acpi sdhci microcode psmouse xhci_hcd pcspkr hwmon snd_timer mmc_core i2c_i801 snd_page_alloc usbcore snd rfkill ptp usb_common pps_core soundcore evdev vboxnetflt(O) vboxdrv(O) loop tun fuse msr binfmt_misc acpi_call(O) openvswitch ipv6 autofs4 [13115.552888] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G O 3.10.1SIGN #29 [13115.552889] Hardware name: LENOVO 2306CTO/2306CTO, BIOS G2ET92WW (2.52 ) 02/22/2013 [13115.552890] 0000000000000009 ffff88021e203d08 ffffffff815a4258 ffff88021e203d40 [13115.552892] ffffffff81096901 ffff880213f28600 ffff88020ea41180 ffff880213f28650 [13115.552894] 0000000000000000 ffff880214756000 ffff88021e203da0 ffffffff8109696c [13115.552896] Call Trace: [13115.552897] <IRQ> [<ffffffff815a4258>] dump_stack+0x19/0x1b [13115.552907] [<ffffffff81096901>] warn_slowpath_common+0x61/0x80 [13115.552910] [<ffffffff8109696c>] warn_slowpath_fmt+0x4c/0x50 [13115.552915] [<ffffffff815aa003>] ? _raw_spin_unlock_irqrestore+0x33/0x40 [13115.552920] [<ffffffffa02f3a30>] usb_submit_urb+0x360/0x370 [usbcore] [13115.552922] [<ffffffffa042fe96>] wdm_int_callback+0x1c6/0x200 [cdc_wdm] [13115.552927] [<ffffffffa02f1615>] usb_hcd_giveback_urb+0x55/0xc0 [usbcore] [13115.552931] [<ffffffffa03e8e4d>] xhci_irq+0x42d/0x1400 [xhci_hcd] [13115.552935] [<ffffffffa03e9e31>] xhci_msi_irq+0x11/0x20 [xhci_hcd] [13115.552938] [<ffffffff81115c36>] handle_irq_event_percpu+0x56/0x250 [13115.552940] [<ffffffff81115e6d>] handle_irq_event+0x3d/0x60 [13115.552942] [<ffffffff81118777>] handle_edge_irq+0x77/0x130 [13115.552945] [<ffffffff8100436e>] handle_irq+0x1e/0x30 [13115.552947] [<ffffffff815b342d>] do_IRQ+0x4d/0xc0 [13115.552949] [<ffffffff815aa7ea>] common_interrupt+0x6a/0x6a [13115.552950] <EOI> [<ffffffff814be9ec>] ? cpuidle_enter_state+0x4c/0xc0 [13115.552954] [<ffffffff814beb29>] cpuidle_idle_call+0xc9/0x280 [13115.552956] [<ffffffff8100b02e>] arch_cpu_idle+0xe/0x30 [13115.552959] [<ffffffff810e3a7e>] cpu_startup_entry+0xce/0x2d0 [13115.552961] [<ffffffff81592c0f>] rest_init+0x7f/0x90 [13115.552964] [<ffffffff81aa4e34>] start_kernel+0x3d5/0x3e1 [13115.552965] [<ffffffff81aa4868>] ? repair_env_string+0x5c/0x5c [13115.552967] [<ffffffff81aa45a1>] x86_64_start_reservations+0x2a/0x2c [13115.552968] [<ffffffff81aa466f>] x86_64_start_kernel+0xcc/0xcf [13115.552969] ---[ end trace 2c05fe4cc22d7cf3 ]---
On Thu, Jul 25, 2013 at 06:07:07AM +0000, bugzilla-daemon@bugzilla.kernel.org wrote: > Summary: After entering D3 cold: URB ffff88020ea41000 submitted > while active Please send this to the linux-usb@vger.kernel.org mailing list.