Hi, The kernel report warnings about sysfs filename duplicate under rc8-mm1 and rc8-mm2. 1. ----cut---- NET: Registered protocol family 16 ACPI: bus type pci registered PCI: PCI BIOS revision 2.10 entry at 0xfb93e, last bus=3 PCI: Using configuration type 1 Setting up standard PCI resources sysfs: duplicate filename 'usbcore' can not be created WARNING: at fs/sysfs/dir.c:433 sysfs_add_one() [<c010528f>] dump_trace+0x1bf/0x1d0 [<c0105358>] show_trace_log_lvl+0x18/0x30 [<c010537f>] show_trace+0xf/0x20 [<c01054a2>] dump_stack+0x12/0x20 [<c01c6680>] sysfs_add_one+0xa0/0xe0 [<c01c69e8>] create_dir+0x48/0xb0 [<c01c6a99>] sysfs_create_dir+0x29/0x50 [<c02501eb>] create_dir+0x1b/0x50 [<c02504b6>] kobject_add+0x46/0x150 [<c05a38a0>] kernel_param_sysfs_setup+0x50/0xb0 [<c05a39ee>] param_sysfs_builtin+0xee/0x130 [<c05a3a54>] param_sysfs_init+0x24/0x60 [<c0592866>] do_initcalls+0x46/0x1e0 [<c0592aa2>] kernel_init+0x62/0xb0 [<c0104fb3>] kernel_thread_helper+0x7/0x14 ======================= kobject_add failed for usbcore with -EEXIST, don't try to register things with the same name in the same directory. [<c010528f>] dump_trace+0x1bf/0x1d0 [<c0105358>] show_trace_log_lvl+0x18/0x30 [<c010537f>] show_trace+0xf/0x20 [<c01054a2>] dump_stack+0x12/0x20 [<c0250566>] kobject_add+0xf6/0x150 [<c05a38a0>] kernel_param_sysfs_setup+0x50/0xb0 [<c05a39ee>] param_sysfs_builtin+0xee/0x130 [<c05a3a54>] param_sysfs_init+0x24/0x60 [<c0592866>] do_initcalls+0x46/0x1e0 [<c0592aa2>] kernel_init+0x62/0xb0 [<c0104fb3>] kernel_thread_helper+0x7/0x14 ======================= Module 'usbcore' failed to be added to sysfs, error number -17 The system will be unstable now. ACPI: EC: Look up EC in DSDT
2. ----cut---- ACPI: PCI Interrupt 0000:00:1d.7[A] -> GSI 21 (level, low) -> IRQ 18 PCI: Setting latency timer of device 0000:00:1d.7 to 64 ehci_hcd 0000:00:1d.7: EHCI Host Controller ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1 ehci_hcd 0000:00:1d.7: debug port 1 PCI: cache line size of 128 is not supported by device 0000:00:1d.7 ehci_hcd 0000:00:1d.7: irq 18, io mem 0xffa80800 ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 8 ports detected usb usb1: new device found, idVendor=0000, idProduct=0000 usb usb1: new device strings: Mfr=3, Product=2, SerialNumber=1 usb usb1: Product: EHCI Host Controller usb usb1: Manufacturer: Linux 2.6.23-rc8-mm2 ehci_hcd usb usb1: SerialNumber: 0000:00:1d.7 ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver USB Universal Host Controller Interface driver v3.0 ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 21 (level, low) -> IRQ 18 PCI: Setting latency timer of device 0000:00:1d.0 to 64 uhci_hcd 0000:00:1d.0: UHCI Host Controller uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2 uhci_hcd 0000:00:1d.0: irq 18, io base 0x0000ff80 usb usb2: configuration #1 chosen from 1 choice hub 2-0:1.0: USB hub found hub 2-0:1.0: 2 ports detected usb usb2: new device found, idVendor=0000, idProduct=0000 usb usb2: new device strings: Mfr=3, Product=2, SerialNumber=1 usb usb2: Product: UHCI Host Controller usb usb2: Manufacturer: Linux 2.6.23-rc8-mm2 uhci_hcd usb usb2: SerialNumber: 0000:00:1d.0 ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 22 (level, low) -> IRQ 19 PCI: Setting latency timer of device 0000:00:1d.1 to 64 uhci_hcd 0000:00:1d.1: UHCI Host Controller uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3 uhci_hcd 0000:00:1d.1: irq 19, io base 0x0000ff60 usb usb3: configuration #1 chosen from 1 choice hub 3-0:1.0: USB hub found hub 3-0:1.0: 2 ports detected usb usb3: new device found, idVendor=0000, idProduct=0000 usb usb3: new device strings: Mfr=3, Product=2, SerialNumber=1 usb usb3: Product: UHCI Host Controller usb usb3: Manufacturer: Linux 2.6.23-rc8-mm2 uhci_hcd usb usb3: SerialNumber: 0000:00:1d.1 ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 20 PCI: Setting latency timer of device 0000:00:1d.2 to 64 uhci_hcd 0000:00:1d.2: UHCI Host Controller uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4 uhci_hcd 0000:00:1d.2: irq 20, io base 0x0000ff40 usb usb4: configuration #1 chosen from 1 choice hub 4-0:1.0: USB hub found hub 4-0:1.0: 2 ports detected usb 1-1: new high speed USB device using ehci_hcd and address 2 usb usb4: new device found, idVendor=0000, idProduct=0000 usb usb4: new device strings: Mfr=3, Product=2, SerialNumber=1 usb usb4: Product: UHCI Host Controller usb usb4: Manufacturer: Linux 2.6.23-rc8-mm2 uhci_hcd usb usb4: SerialNumber: 0000:00:1d.2 ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 23 (level, low) -> IRQ 21 PCI: Setting latency timer of device 0000:00:1d.3 to 64 uhci_hcd 0000:00:1d.3: UHCI Host Controller uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 5 uhci_hcd 0000:00:1d.3: irq 21, io base 0x0000ff20 usb usb5: configuration #1 chosen from 1 choice hub 5-0:1.0: USB hub found hub 5-0:1.0: 2 ports detected usb 1-1: configuration #1 chosen from 1 choice hub 1-1:1.0: USB hub found hub 1-1:1.0: 4 ports detected usb usb5: new device found, idVendor=0000, idProduct=0000 usb usb5: new device strings: Mfr=3, Product=2, SerialNumber=1 usb usb5: Product: UHCI Host Controller usb usb5: Manufacturer: Linux 2.6.23-rc8-mm2 uhci_hcd usb usb5: SerialNumber: 0000:00:1d.3 sysfs: duplicate filename 'bInterfaceNumber' can not be created WARNING: at fs/sysfs/dir.c:433 sysfs_add_one() [<c010528f>] dump_trace+0x1bf/0x1d0 [<c0105358>] show_trace_log_lvl+0x18/0x30 [<c010537f>] show_trace+0xf/0x20 [<c01054a2>] dump_stack+0x12/0x20 [<c01c6680>] sysfs_add_one+0xa0/0xe0 [<c01c5afe>] sysfs_add_file+0x4e/0xb0 [<c01c7cc1>] create_files+0x31/0x60 [<c01c7d24>] sysfs_create_group+0x34/0xf0 [<c034420a>] usb_create_sysfs_intf_files+0x2a/0xb0 [<c03401fc>] usb_set_configuration+0x3dc/0x490 [<c0347eb6>] generic_probe+0x76/0xb0 [<c03405c8>] usb_probe_device+0x38/0x40 [<c02bc974>] really_probe+0xa4/0x160 [<c02bca82>] driver_probe_device+0x42/0x60 [<c02bbb0a>] bus_for_each_drv+0x3a/0x60 [<c02bcafc>] device_attach+0x4c/0x80 [<c02bbdd5>] bus_attach_device+0x75/0xb0 [<c02ba286>] device_add+0x136/0x350 [<c0339c80>] usb_new_device+0x50/0x160 [<c033b2ab>] hub_port_connect_change+0x1bb/0x3b0 [<c033b6d2>] hub_events+0x232/0x470 [<c033b931>] hub_thread+0x21/0x170 [<c013fe89>] kthread+0x59/0xa0 [<c0104fb3>] kernel_thread_helper+0x7/0x14 ======================= usb 1-1: new device found, idVendor=0424, idProduct=2504 usb 1-1: new device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: new low speed USB device using uhci_hcd and address 2 usb 4-1: configuration #1 chosen from 1 choice usb 4-1: new device found, idVendor=0461, idProduct=4d15 usb 4-1: new device strings: Mfr=0, Product=2, SerialNumber=0 usb 4-1: Product: USB Optical Mouse usb 4-2: new low speed USB device using uhci_hcd and address 3 usb 4-2: configuration #1 chosen from 1 choice usb 4-2: new device found, idVendor=413c, idProduct=2003 usb 4-2: new device strings: Mfr=1, Product=2, SerialNumber=0 usb 4-2: Product: Dell USB Keyboard usb 4-2: Manufacturer: Dell usb 1-1.4: new full speed USB device using ehci_hcd and address 5 usb 1-1.4: configuration #1 chosen from 1 choice usb 1-1.4: new device found, idVendor=0c10, idProduct=0000 usb 1-1.4: new device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1.4: Product: SiW usb 1-1.4: Manufacturer: SiW usb 1-1.4: SerialNumber: E344F1EF1300 usbcore: registered new interface driver libusual PNP: No PS/2 controller found. Probing ports directly. ----cut---- lsusb output: Bus 1 Device 2: ID 0424:2504 Standard Microsystems Corp. Bus 1 Device 5: ID 0c10:0000 Bus 1 Device 1: ID 0000:0000 Bus 4 Device 3: ID 413c:2003 Dell Computer Corp. Bus 4 Device 1: ID 0000:0000 Bus 4 Device 2: ID 0461:4d15 Primax Electronics, Ltd Bus 2 Device 1: ID 0000:0000 Bus 5 Device 1: ID 0000:0000 Bus 3 Device 1: ID 0000:0000 Regards dave - 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/