On Wed, 29 Jan 2014, Denis Kirjanov wrote: > Hi, > > Not sure if it's been posted already. I'm running the latest Linus tree. > > [ 10.636228] INFO: trying to register non-static key. > [ 10.636782] the code is fine but needs lockdep annotation. > [ 10.637271] turning off the locking correctness validator. > [ 10.637772] CPU: 0 PID: 1216 Comm: systemd-udevd Not tainted 3.13.0+ #20 > [ 10.638276] Call Trace: > [ 10.638801] [edaf7850] [c0009b88] show_stack+0x50/0x158 (unreliable) > [ 10.639344] [edaf7890] [c0507400] dump_stack+0x24/0xc24 > [ 10.639878] [edaf78a0] [c0072b3c] __lock_acquire.clone.20+0xa78/0xc50 > [ 10.640413] [edaf7900] [c00732cc] lock_acquire+0x8c/0x110 > [ 10.640948] [edaf7930] [c017d3dc] kernfs_deactivate+0xc0/0x120 > [ 10.641480] [edaf79c0] [c017dca4] kernfs_addrm_finish+0x3c/0x6c > [ 10.642008] [edaf79d0] [c017df08] kernfs_remove_by_name_ns+0x54/0xa4 > [ 10.642540] [edaf7a00] [c017bb48] remove_files.clone.1+0x40/0x8c > [ 10.643069] [edaf7a20] [c017bbe4] sysfs_remove_group+0x50/0xa8 > [ 10.643598] [edaf7a40] [c017bc6c] sysfs_remove_groups+0x30/0x50 > [ 10.644124] [edaf7a50] [c035c6b4] device_remove_attrs+0x3c/0x78 > [ 10.644644] [edaf7a70] [c035c7f4] device_del+0x104/0x19c > [ 10.645158] [edaf7a90] [c03e09ac] usb_disconnect+0x110/0x1d0 > [ 10.645658] [edaf7ab0] [c03e0ad8] hub_quiesce+0x6c/0xc0 > [ 10.646145] [edaf7ad0] [c03e0dd4] hub_disconnect+0x90/0x184 > [ 10.646624] [edaf7b00] [c03ebae4] usb_unbind_interface+0x58/0x138 > [ 10.647108] [edaf7b20] [c035fc54] __device_release_driver+0x68/0xd4 > [ 10.647586] [edaf7b30] [c035fcec] device_release_driver+0x2c/0x48 > [ 10.648061] [edaf7b40] [c035f65c] bus_remove_device+0x11c/0x150 > [ 10.648526] [edaf7b60] [c035c7fc] device_del+0x10c/0x19c > [ 10.648974] [edaf7b80] [c03ea50c] usb_disable_device+0xc0/0x204 > [ 10.649411] [edaf7bb0] [c03eae3c] usb_set_configuration+0x1a8/0x76c > [ 10.649858] [edaf7c30] [c03f65b0] ehci_pre_add+0x5c/0x70 > [ 10.650299] [edaf7c40] [c03f5aa4] for_each_companion+0x84/0xb0 > [ 10.650737] [edaf7c60] [c03f6474] usb_hcd_pci_probe+0x380/0x3d0 > [ 10.651184] [edaf7c90] [c022d658] local_pci_probe+0x34/0x88 > [ 10.651625] [edaf7ca0] [c022d91c] pci_device_probe+0x84/0xa4 > [ 10.652071] [edaf7cd0] [c036016c] driver_probe_device+0xa8/0x24c > [ 10.652515] [edaf7cf0] [c03603d4] __driver_attach+0xc4/0xc8 > [ 10.652952] [edaf7d10] [c035e574] bus_for_each_dev+0x84/0xc0 > [ 10.653394] [edaf7d40] [c035fd2c] driver_attach+0x24/0x34 > [ 10.653835] [edaf7d50] [c035f800] bus_add_driver+0x170/0x1ec > [ 10.654284] [edaf7d70] [c0360bcc] driver_register+0x88/0x130 > [ 10.654738] [edaf7d80] [c022da34] __pci_register_driver+0x60/0x74 > [ 10.655200] [edaf7d90] [f271a080] ehci_pci_init+0x80/0xd8 [ehci_pci] > [ 10.655667] [edaf7da0] [c00043c4] do_one_initcall+0x34/0x1a0 > [ 10.656135] [edaf7e10] [c009f23c] load_module+0x16b8/0x1e04 > [ 10.656599] [edaf7ee0] [c009fa68] SyS_init_module+0xe0/0x124 > [ 10.657067] [edaf7f40] [c0012358] ret_from_syscall+0x0/0x40 > [ 10.657534] --- Exception: c01 at 0xfe84208 > LR = 0xff7e0f8 > [ 10.775857] ehci-pci 0001:10:1b.2: EHCI Host Controller See http://marc.info/?l=linux-usb&m=139059278903684&w=2 This appears to be a problem in the driver core or the sysfs core. It is not related to USB. Alan Stern -- 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
