Whenever I plug/unplug the FTDI FT232BM USB-RS232 converter, the latest 2.6.21.5 kernel complains:
usb 2-1: USB disconnect, address 7 ftdi_sio ttyUSB0: FTDI USB Serial Device converter now disconnected from ttyUSB0 ftdi_sio 2-1:1.0: device disconnected usb 3-1: new full speed USB device using ohci_hcd and address 43 usb 3-1: configuration #1 chosen from 1 choice ftdi_sio 3-1:1.0: FTDI USB Serial Device converter detected drivers/usb/serial/ftdi_sio.c: Detected FT232BM usb 3-1: FTDI USB Serial Device converter now attached to ttyUSB0 usbcore: exports duplicate symbol usb_buffer_unmap_sg (owned by kernel) usbserial: exports duplicate symbol usb_serial_port_softint (owned by kernel) kobject_add failed for ftdi_sio with -EEXIST, don't try to register things with the same name in the same directory. Call Trace: [C4A6DE10] [C0009018] show_stack+0x4c/0x1ac (unreliable) [C4A6DE50] [C013DF80] kobject_shadow_add+0x160/0x1a4 [C4A6DE70] [C003A250] mod_sysfs_setup+0x28/0xd4 [C4A6DE90] [C003B4BC] sys_init_module+0xfc4/0x149c [C4A6DF40] [C0002304] ret_from_syscall+0x0/0x3c usb 3-1: USB disconnect, address 43 ftdi_sio ttyUSB0: FTDI USB Serial Device converter now disconnected from ttyUSB0 ftdi_sio 3-1:1.0: device disconnected usb 3-1: new full speed USB device using ohci_hcd and address 44 usb 3-1: configuration #1 chosen from 1 choice ftdi_sio 3-1:1.0: FTDI USB Serial Device converter detected drivers/usb/serial/ftdi_sio.c: Detected FT232BM usb 3-1: FTDI USB Serial Device converter now attached to ttyUSB0 usbcore: exports duplicate symbol usb_buffer_unmap_sg (owned by kernel) usbserial: exports duplicate symbol usb_serial_port_softint (owned by kernel) kobject_add failed for ftdi_sio with -EEXIST, don't try to register things with the same name in the same directory. Call Trace: [C50BFE10] [C0009018] show_stack+0x4c/0x1ac (unreliable) [C50BFE50] [C013DF80] kobject_shadow_add+0x160/0x1a4 [C50BFE70] [C003A250] mod_sysfs_setup+0x28/0xd4 [C50BFE90] [C003B4BC] sys_init_module+0xfc4/0x149c [C50BFF40] [C0002304] ret_from_syscall+0x0/0x3c Is this considered harmful? Let me know if you need more debugging information. Regards, -- Clemens Koller __________________________________ R&D Imaging Devices Anagramm GmbH Rupert-Mayer-Straße 45/1 Linhof Werksgelände D-81379 München Tel.089-741518-50 Fax 089-741518-19 http://www.anagramm-technology.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
