Hi, anyone has ever seen this? [ 2477.001127] kmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 6249.251894] perf: interrupt took too long (2506 > 2500), lowering kernel.perf_event_max_sample_rate to 79800 [ 9951.944091] perf: interrupt took too long (3136 > 3132), lowering kernel.perf_event_max_sample_rate to 63700 [23076.002641] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [26110.058965] kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [39760.167906] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) # cat /sys/kernel/debug/kmemleak unreferenced object 0xffff88040b690008 (size 192): comm "kworker/0:2", pid 1899, jiffies 4294937814 (age 69683.180s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 10 00 69 0b 04 88 ff ff ..........i..... 10 00 69 0b 04 88 ff ff 00 00 00 00 ad 4e ad de ..i..........N.. backtrace: [<ffffffff81a37359>] kmemleak_alloc+0x49/0xa0 [<ffffffff81209486>] kmem_cache_alloc_trace+0xe6/0x190 [<ffffffff815ec834>] dev_pm_qos_constraints_allocate+0x44/0x110 [<ffffffff815eca7a>] __dev_pm_qos_add_request+0x17a/0x190 [<ffffffff815ecac6>] dev_pm_qos_add_request+0x36/0x50 [<ffffffff816b5728>] usb_hub_create_port_device+0x138/0x370 [<ffffffff816a1c37>] hub_probe+0x8a7/0xf20 [<ffffffff816ab191>] usb_probe_interface+0x1c1/0x300 [<ffffffff815e3e47>] driver_probe_device+0x227/0x440 [<ffffffff815e41df>] __device_attach_driver+0x8f/0x100 [<ffffffff815e1b98>] bus_for_each_drv+0x58/0x90 [<ffffffff815e3ae8>] __device_attach+0xb8/0x130 [<ffffffff815e427e>] device_initial_probe+0xe/0x10 [<ffffffff815e2d0e>] bus_probe_device+0x9e/0xb0 [<ffffffff815e0b54>] device_add+0x414/0x5e0 [<ffffffff816a90df>] usb_set_configuration+0x52f/0x900 ... Martin -- 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