hello, i have a problem with a hdd in an external usb->ide-case.
the drive works fine when plugged into one of the onboard usb-ports (usb1.0). when i try to use it with my pci usb 2.0 controller it behaves very strange. it works for about a minute (or a couple of read/write operations) but then freezes the whole machine for a moment (sometimes about 20s, sometimes so short its barely noticable) and then, well, crashes and burns. below appended is the (commented) syslog transcript of a test-session. i did: 1. boot the machine with the drive plugged into the usb 2.0 controller (it is properly recognized and works fine at first...) 2. mount the drive 3. copy a large file to the drive (which reproducably fails after about ~450M) 4. curse can anybody make sense of this? i have seen other people report similar problems with usb2->ide bridges, is there a fix available or in the works? environment: - vanilla kernel 2.4.22 (no patches) - USB Controller: Acer Laboratories Inc. [ALi] USB 2.0 Controller (rev 01) [pci card] - USB Controller: VIA Technologies, Inc. USB (rev 23) [onboard] - the external usb->ide case is a cheapo bulk thing in silver aluminium. it has the word "BEN" and the new USB 2.0 logo printed on it in blue. the drive works fine on the usb2-controller in win98. session log: 13:12:06 sim k: hub.c: power on to power good time: 0ms 13:12:06 sim k: hub.c: hub controller current requirement: 0mA 13:12:06 sim k: hub.c: port removable status: RRRRRR 13:12:06 sim k: hub.c: local power source is good 13:12:06 sim k: hub.c: no over-current condition exists 13:12:06 sim k: hub.c: enabling power on all ports 13:12:06 sim k: usb.c: hub driver claimed interface dfe1b980 13:12:06 sim k: usb.c: kusbd: /sbin/hotplug add 1 13:12:06 sim k: usb.c: kusbd policy returned 0xfffffffe 13:12:06 sim k: host/uhci.c: USB Universal Host Controller Interface driver v1.1 13:12:06 sim k: PCI: Found IRQ 3 for device 00:09.0 13:12:06 sim k: PCI: Sharing IRQ 3 with 00:0e.1 13:12:06 sim k: host/uhci.c: USB UHCI at I/O 0xd400, IRQ 3 13:12:06 sim k: usb.c: new USB bus registered, assigned bus number 3 13:12:06 sim k: host/uhci.c: detected 2 ports 13:12:06 sim k: usb.c: kmalloc IF dfe1bb80, numif 1 13:12:06 sim k: usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1 13:12:06 sim k: usb.c: USB device number 1 default language ID 0x0 13:12:06 sim k: Product: USB UHCI-alt Root Hub 13:12:06 sim k: SerialNumber: d400 13:12:06 sim k: hub.c: USB hub found 13:12:06 sim k: hub.c: 2 ports detected 13:12:06 sim k: hub.c: standalone hub 13:12:06 sim k: hub.c: ganged power switching 13:12:06 sim k: hub.c: global over-current protection 13:12:06 sim k: hub.c: Port indicators are not supported 13:12:06 sim k: hub.c: power on to power good time: 2ms 13:12:06 sim k: hub.c: hub controller current requirement: 0mA 13:12:06 sim k: hub.c: port removable status: RR 13:12:06 sim k: hub.c: local power source is good 13:12:06 sim k: hub.c: no over-current condition exists 13:12:06 sim k: hub.c: enabling power on all ports 13:12:06 sim k: usb.c: hub driver claimed interface dfe1bb80 13:12:06 sim k: usb.c: kusbd: /sbin/hotplug add 1 13:12:06 sim k: usb.c: kusbd policy returned 0xfffffffe 13:12:06 sim k: PCI: Found IRQ 4 for device 00:09.1 13:12:06 sim k: PCI: Sharing IRQ 4 with 00:0d.0 13:12:06 sim k: PCI: Sharing IRQ 4 with 00:0e.2 13:12:06 sim k: PCI: Sharing IRQ 4 with 01:00.0 13:12:06 sim k: host/uhci.c: USB UHCI at I/O 0xd000, IRQ 4 13:12:06 sim k: usb.c: new USB bus registered, assigned bus number 4 13:12:06 sim k: host/uhci.c: detected 2 ports 13:12:06 sim k: usb.c: kmalloc IF dfe1bd80, numif 1 13:12:06 sim k: usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1 13:12:06 sim k: usb.c: USB device number 1 default language ID 0x0 13:12:06 sim k: Product: USB UHCI-alt Root Hub 13:12:06 sim k: SerialNumber: d000 13:12:06 sim k: hub.c: USB hub found 13:12:06 sim k: hub.c: 2 ports detected 13:12:06 sim k: hub.c: standalone hub 13:12:06 sim k: hub.c: ganged power switching 13:12:06 sim k: hub.c: global over-current protection 13:12:06 sim k: hub.c: Port indicators are not supported 13:12:06 sim k: hub.c: power on to power good time: 2ms 13:12:06 sim k: hub.c: hub controller current requirement: 0mA 13:12:06 sim k: hub.c: port removable status: RR 13:12:06 sim k: hub.c: local power source is good 13:12:06 sim k: hub.c: no over-current condition exists 13:12:06 sim k: hub.c: enabling power on all ports 13:12:06 sim k: usb.c: hub driver claimed interface dfe1bd80 13:12:06 sim k: usb.c: kusbd: /sbin/hotplug add 1 13:12:06 sim k: usb.c: kusbd policy returned 0xfffffffe 13:12:06 sim k: PCI: Found IRQ 3 for device 00:11.2 13:12:06 sim k: IRQ routing conflict for 00:11.2, have irq 11, want irq 3 13:12:06 sim k: IRQ routing conflict for 00:11.3, have irq 11, want irq 3 13:12:06 sim k: host/uhci.c: USB UHCI at I/O 0xa400, IRQ 11 13:12:06 sim k: hub.c: port 1, portstatus 100, change 0, 12 Mb/s 13:12:06 sim k: hub.c: port 2, portstatus 100, change 0, 12 Mb/s 13:12:06 sim k: hub.c: port 3, portstatus 100, change 0, 12 Mb/s 13:12:06 sim k: hub.c: port 4, portstatus 100, change 0, 12 Mb/s 13:12:06 sim k: hub.c: port 5, portstatus 100, change 0, 12 Mb/s 13:12:06 sim k: ehci_hcd 00:0e.3: GetStatus port 6 status 001803 POWER sig=j CSC CONNECT 13:12:06 sim k: hub.c: port 6, portstatus 501, change 1, 480 Mb/s 13:12:06 sim k: hub.c: port 6 connection change 13:12:06 sim k: hub.c: port 6, portstatus 501, change 1, 480 Mb/s 13:12:06 sim k: usb.c: new USB bus registered, assigned bus number 5 13:12:06 sim k: host/uhci.c: detected 2 ports 13:12:06 sim k: usb.c: kmalloc IF dfe1bf80, numif 1 13:12:06 sim k: usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1 13:12:06 sim k: usb.c: USB device number 1 default language ID 0x0 13:12:06 sim k: Product: USB UHCI-alt Root Hub 13:12:06 sim k: SerialNumber: a400 13:12:06 sim k: hub.c: USB hub found 13:12:06 sim k: hub.c: 2 ports detected 13:12:06 sim k: hub.c: standalone hub 13:12:06 sim k: hub.c: ganged power switching 13:12:06 sim k: hub.c: global over-current protection 13:12:06 sim k: hub.c: Port indicators are not supported 13:12:06 sim k: hub.c: power on to power good time: 2ms 13:12:06 sim k: hub.c: hub controller current requirement: 0mA 13:12:06 sim k: hub.c: port removable status: RR 13:12:06 sim k: hub.c: local power source is good 13:12:06 sim k: hub.c: no over-current condition exists 13:12:06 sim k: hub.c: enabling power on all ports 13:12:06 sim k: usb.c: hub driver claimed interface dfe1bf80 13:12:06 sim k: usb.c: kusbd: /sbin/hotplug add 1 13:12:06 sim k: usb.c: kusbd policy returned 0xfffffffe 13:12:06 sim k: PCI: Found IRQ 3 for device 00:11.3 13:12:06 sim k: IRQ routing conflict for 00:11.2, have irq 11, want irq 3 13:12:06 sim k: IRQ routing conflict for 00:11.3, have irq 11, want irq 3 13:12:06 sim k: host/uhci.c: USB UHCI at I/O 0xa000, IRQ 11 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim k: host/uhci.c: d400: suspend_hc 13:12:06 sim k: hub.c: port 6, portstatus 501, change 0, 480 Mb/s 13:12:06 sim k: usb.c: new USB bus registered, assigned bus number 6 13:12:06 sim k: host/uhci.c: detected 2 ports 13:12:06 sim k: usb.c: kmalloc IF dfdab2c0, numif 1 13:12:06 sim k: usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1 13:12:06 sim k: usb.c: USB device number 1 default language ID 0x0 13:12:06 sim k: Product: USB UHCI-alt Root Hub 13:12:06 sim k: SerialNumber: a000 13:12:06 sim k: hub.c: USB hub found 13:12:06 sim k: hub.c: 2 ports detected 13:12:06 sim k: hub.c: standalone hub 13:12:06 sim k: hub.c: ganged power switching 13:12:06 sim k: hub.c: global over-current protection 13:12:06 sim k: hub.c: Port indicators are not supported 13:12:06 sim k: hub.c: power on to power good time: 2ms 13:12:06 sim k: hub.c: hub controller current requirement: 0mA 13:12:06 sim k: hub.c: port removable status: RR 13:12:06 sim k: hub.c: local power source is good 13:12:06 sim k: hub.c: no over-current condition exists 13:12:06 sim k: hub.c: enabling power on all ports 13:12:06 sim k: usb.c: hub driver claimed interface dfdab2c0 13:12:06 sim k: usb.c: kusbd: /sbin/hotplug add 1 13:12:06 sim k: usb.c: kusbd policy returned 0xfffffffe 13:12:06 sim k: PCI: Found IRQ 7 for device 00:0e.0 13:12:06 sim k: PCI: Sharing IRQ 7 with 00:0f.0 13:12:06 sim k: host/usb-ohci.c: USB OHCI at membase 0xe2822000, IRQ 7 13:12:06 sim k: host/usb-ohci.c: usb-00:0e.0, ALi Corporation USB 1.1 Controller 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim k: host/uhci.c: d000: suspend_hc 13:12:06 sim k: hub.c: port 6, portstatus 501, change 0, 480 Mb/s 13:12:06 sim k: usb.c: new USB bus registered, assigned bus number 7 13:12:06 sim k: usb.c: kmalloc IF dfdab540, numif 1 13:12:06 sim k: usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1 13:12:06 sim k: usb.c: USB device number 1 default language ID 0x0 13:12:06 sim k: Product: USB OHCI Root Hub 13:12:06 sim k: SerialNumber: e2822000 13:12:06 sim k: hub.c: USB hub found 13:12:06 sim k: hub.c: 2 ports detected 13:12:06 sim k: hub.c: standalone hub 13:12:06 sim k: hub.c: ganged power switching 13:12:06 sim k: hub.c: global over-current protection 13:12:06 sim k: hub.c: Port indicators are not supported 13:12:06 sim k: hub.c: power on to power good time: 2ms 13:12:06 sim k: hub.c: hub controller current requirement: 0mA 13:12:06 sim k: hub.c: port removable status: RR 13:12:06 sim k: hub.c: local power source is good 13:12:06 sim k: hub.c: no over-current condition exists 13:12:06 sim k: hub.c: enabling power on all ports 13:12:06 sim k: usb.c: hub driver claimed interface dfdab540 13:12:06 sim k: usb.c: kusbd: /sbin/hotplug add 1 13:12:06 sim k: usb.c: kusbd policy returned 0xfffffffe 13:12:06 sim k: PCI: Found IRQ 3 for device 00:0e.1 13:12:06 sim k: PCI: Sharing IRQ 3 with 00:09.0 13:12:06 sim k: host/usb-ohci.c: USB OHCI at membase 0xe2824000, IRQ 3 13:12:06 sim k: host/usb-ohci.c: usb-00:0e.1, ALi Corporation USB 1.1 Controller (#2) 13:12:06 sim k: usb.c: new USB bus registered, assigned bus number 8 13:12:06 sim k: usb.c: kmalloc IF dfdab7c0, numif 1 13:12:06 sim k: usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1 13:12:06 sim k: usb.c: USB device number 1 default language ID 0x0 13:12:06 sim k: Product: USB OHCI Root Hub 13:12:06 sim k: SerialNumber: e2824000 13:12:06 sim k: hub.c: USB hub found 13:12:06 sim k: hub.c: 2 ports detected 13:12:06 sim k: hub.c: standalone hub 13:12:06 sim k: hub.c: ganged power switching 13:12:06 sim k: hub.c: global over-current protection 13:12:06 sim k: hub.c: Port indicators are not supported 13:12:06 sim k: hub.c: power on to power good time: 2ms 13:12:06 sim k: hub.c: hub controller current requirement: 0mA 13:12:06 sim k: hub.c: port removable status: RR 13:12:06 sim k: hub.c: local power source is good 13:12:06 sim k: hub.c: no over-current condition exists 13:12:06 sim k: hub.c: enabling power on all ports 13:12:06 sim k: usb.c: hub driver claimed interface dfdab7c0 13:12:06 sim k: usb.c: kusbd: /sbin/hotplug add 1 13:12:06 sim k: usb.c: kusbd policy returned 0xfffffffe 13:12:06 sim k: PCI: Found IRQ 4 for device 00:0e.2 13:12:06 sim k: PCI: Sharing IRQ 4 with 00:09.1 13:12:06 sim k: PCI: Sharing IRQ 4 with 00:0d.0 13:12:06 sim k: PCI: Sharing IRQ 4 with 01:00.0 13:12:06 sim k: host/usb-ohci.c: USB OHCI at membase 0xe2826000, IRQ 4 13:12:06 sim k: host/usb-ohci.c: usb-00:0e.2, ALi Corporation USB 1.1 Controller (#3) 13:12:06 sim k: usb.c: new USB bus registered, assigned bus number 9 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 5ab data: 6 13:12:06 sim k: hub.c: port 6, portstatus 501, change 0, 480 Mb/s 13:12:06 sim k: usb.c: kmalloc IF dfdaba40, numif 1 13:12:06 sim k: usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1 13:12:06 sim k: usb.c: USB device number 1 default language ID 0x0 13:12:06 sim k: Product: USB OHCI Root Hub 13:12:06 sim k: SerialNumber: e2826000 13:12:06 sim k: hub.c: USB hub found 13:12:06 sim k: hub.c: 2 ports detected 13:12:06 sim k: hub.c: standalone hub 13:12:06 sim k: hub.c: ganged power switching 13:12:06 sim k: hub.c: global over-current protection 13:12:06 sim k: hub.c: Port indicators are not supported 13:12:06 sim k: hub.c: power on to power good time: 2ms 13:12:06 sim k: hub.c: hub controller current requirement: 0mA 13:12:06 sim k: hub.c: port removable status: RR 13:12:06 sim k: hub.c: local power source is good 13:12:06 sim k: hub.c: no over-current condition exists 13:12:06 sim k: hub.c: enabling power on all ports 13:12:06 sim k: usb.c: hub driver claimed interface dfdaba40 13:12:06 sim k: usb.c: kusbd: /sbin/hotplug add 1 13:12:06 sim k: usb.c: kusbd policy returned 0xfffffffe 13:12:06 sim k: usb.c: registered new driver hid 13:12:06 sim k: hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik <[EMAIL PROTECTED]> 13:12:06 sim k: hid-core.c: USB HID support drivers 13:12:06 sim k: usb.c: registered new driver dc2xx 13:12:06 sim k: dc2xx.c: v1.0.0:USB Camera Driver for Kodak DC-2xx series cameras 13:12:06 sim k: Initializing USB Mass Storage driver... 13:12:06 sim k: usb.c: registered new driver usb-storage 13:12:06 sim k: USB Mass Storage support registered. 13:12:06 sim k: Linux video capture interface: v1.00 13:12:06 sim k: mice: PS/2 mouse device common for all mice 13:12:06 sim k: Initializing Cryptographic API 13:12:06 sim k: NET4: Linux TCP/IP 1.0 for NET4.0 13:12:06 sim k: IP Protocols: ICMP, UDP, TCP, IGMP 13:12:06 sim k: IP: routing cache hash table of 4096 buckets, 32Kbytes 13:12:06 sim k: TCP: Hash tables configured (established 32768 bind 32768) 13:12:06 sim k: NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim k: host/uhci.c: a000: suspend_hc 13:12:06 sim k: hub.c: port 6, portstatus 501, change 0, 480 Mb/s 13:12:06 sim k: ds: no socket drivers loaded! 13:12:06 sim k: hub.c: port 6, portstatus 511, change 0, 480 Mb/s 13:12:06 sim k: hub.c: port 6 of hub 1 not reset yet, waiting 10ms 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim k: hub.c: port 6, portstatus 511, change 0, 480 Mb/s 13:12:06 sim k: hub.c: port 6 of hub 1 not reset yet, waiting 10ms 13:12:06 sim k: kjournald starting. Commit interval 5 seconds 13:12:06 sim k: EXT3-fs: mounted filesystem with ordered data mode. 13:12:06 sim k: VFS: Mounted root (ext3 filesystem) readonly. 13:12:06 sim k: Freeing unused kernel memory: 132k freed 13:12:06 sim k: ehci_hcd 00:0e.3: port 6 high speed 13:12:06 sim k: ehci_hcd 00:0e.3: GetStatus port 6 status 001005 POWER sig=se0 PE CONNECT 13:12:06 sim k: hub.c: port 6, portstatus 503, change 10, 480 Mb/s 13:12:06 sim k: hub.c: new USB device 00:0e.3-6, assigned address 2 13:12:06 sim k: usb.c: kmalloc IF dfdabd40, numif 1 13:12:06 sim k: usb.c: descriptor data left 13:12:06 sim k: usb.c: new device strings: Mfr=0, Product=1, SerialNumber=0 13:12:06 sim k: usb.c: USB device number 2 default language ID 0x409 13:12:06 sim k: Product: USB TO IDE 13:12:06 sim k: scsi1 : SCSI emulation for USB Mass Storage devices 13:12:06 sim k: Vendor: FUJITSU Model: MHN2100AT Rev: 0811 13:12:06 sim k: Type: Direct-Access ANSI SCSI revision: 02 13:12:06 sim k: Attached scsi disk sda at scsi1, channel 0, id 0, lun 0 13:12:06 sim k: SCSI device sda: 19640880 512-byte hdwr sectors (10056 MB) 13:12:06 sim k: sda:Warning: unable to open an initial console. 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 5ab data: 6 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim last message repeated 2 times 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 5ab data: 6 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim k: sda1 sda2 sda3 sda4 13:12:06 sim k: WARNING: USB Mass Storage data integrity not assured 13:12:06 sim k: USB Mass Storage device found at 2 13:12:06 sim k: usb.c: usb-storage driver claimed interface dfdabd40 13:12:06 sim k: usb.c: kusbd: /sbin/hotplug add 2 13:12:06 sim k: usb.c: kusbd policy returned 0xfffffffe 13:12:06 sim k: hub.c: port 1, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 1 connection change 13:12:06 sim k: hub.c: port 1, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 2, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 2 connection change 13:12:06 sim k: hub.c: port 2, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 1, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 1 connection change 13:12:06 sim k: hub.c: port 1, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 2, portstatus 301, change 3, 1.5 Mb/s 13:12:06 sim k: hub.c: port 2 connection change 13:12:06 sim k: hub.c: port 2, portstatus 301, change 3, 1.5 Mb/s 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 488 port2: 488 data: 6 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim k: hub.c: port 2, portstatus 301, change 2, 1.5 Mb/s 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 488 port2: 5a9 data: 6 13:12:06 sim k: hub.c: port 2, portstatus 301, change 2, 1.5 Mb/s 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 488 port2: 488 data: 6 13:12:06 sim k: hub.c: port 2, portstatus 301, change 2, 1.5 Mb/s 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim k: hub.c: port 2, portstatus 301, change 2, 1.5 Mb/s 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 488 port2: 5a5 data: 2 13:12:06 sim k: hub.c: port 2, portstatus 303, change 0, 1.5 Mb/s 13:12:06 sim k: hub.c: new USB device 00:11.2-2, assigned address 2 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 48a port2: 48a data: 6 13:12:06 sim k: usb.c: kmalloc IF dfaea180, numif 1 13:12:06 sim k: usb.c: skipped 1 class/vendor specific interface descriptors 13:12:06 sim k: usb.c: new device strings: Mfr=1, Product=2, SerialNumber=0 13:12:06 sim k: usb.c: USB device number 2 default language ID 0x409 13:12:06 sim k: Manufacturer: B16_b_02 13:12:06 sim k: Product: USB-PS/2 Optical Mouse 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 488 port2: 488 data: 6 13:12:06 sim k: input: USB HID v1.10 Mouse [B16_b_02 USB-PS/2 Optical Mouse] on usb5:2.0 13:12:06 sim k: usb.c: hid driver claimed interface dfaea180 13:12:06 sim k: usb.c: kusbd: /sbin/hotplug add 2 13:12:06 sim k: usb.c: kusbd policy returned 0xfffffffe 13:12:06 sim k: hub.c: port 1, portstatus 100, change 2, 12 Mb/s 13:12:06 sim k: hub.c: port 1 enable change, status 100 13:12:06 sim k: hub.c: port 2, portstatus 303, change 0, 1.5 Mb/s 13:12:06 sim k: hub.c: port 1, portstatus 100, change 2, 12 Mb/s 13:12:06 sim k: hub.c: port 1 enable change, status 100 13:12:06 sim k: hub.c: port 2, portstatus 100, change 2, 12 Mb/s 13:12:06 sim k: hub.c: port 2 enable change, status 100 13:12:06 sim k: hub.c: port 1, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 1 connection change 13:12:06 sim k: hub.c: port 1, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 2, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 2 connection change 13:12:06 sim k: hub.c: port 2, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 1, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 1 connection change 13:12:06 sim k: hub.c: port 1, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 2, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: hub.c: port 2 connection change 13:12:06 sim k: hub.c: port 2, portstatus 100, change 3, 12 Mb/s 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 488 port2: 488 data: 6 13:12:06 sim k: hub.c: port 1, portstatus 100, change 2, 12 Mb/s 13:12:06 sim k: hub.c: port 1 enable change, status 100 13:12:06 sim k: hub.c: port 2, portstatus 100, change 2, 12 Mb/s 13:12:06 sim k: hub.c: port 2 enable change, status 100 13:12:06 sim k: host/uhci.c: root-hub INT complete: port1: 488 port2: 488 data: 6 13:12:06 sim k: hub.c: port 1, portstatus 100, change 2, 12 Mb/s 13:12:06 sim k: hub.c: port 1 enable change, status 100 13:12:06 sim k: hub.c: port 2, portstatus 100, change 2, 12 Mb/s 13:12:06 sim k: hub.c: port 2 enable change, status 100 ... # initialization is complete and the box has finished booting. # i'm copying a 1000M file to the drive now. # 463M make it but then the whole machine freezes for about 20s. # kbd/mouse-activity during the freeze is buffered and spurts off afterwards. # a while after the freeze 'cp' returns this error: cp: writing `/mnt/usbdrive/testfile': Input/output error # and syslog reads on like this... ... 13:20:56 sim k: usb_control/bulk_msg: timeout 13:21:11 sim k: usb_control/bulk_msg: timeout 13:21:16 sim k: usb_control/bulk_msg: timeout 13:21:16 sim k: hub.c: port 6, portstatus 511, change 0, 480 Mb/s 13:21:16 sim k: hub.c: port 6 of hub 1 not reset yet, waiting 10ms 13:21:16 sim k: hub.c: port 6, portstatus 511, change 0, 480 Mb/s 13:21:16 sim k: hub.c: port 6 of hub 1 not reset yet, waiting 10ms 13:21:16 sim k: ehci_hcd 00:0e.3: port 6 full speed --> companion 13:21:16 sim k: ehci_hcd 00:0e.3: GetStatus port 6 status 003001 POWER OWNER sig=se0 CONNECT 13:21:16 sim k: hub.c: port 6, portstatus 0, change 10, 12 Mb/s 13:21:21 sim k: usb-storage: host_reset() requested but not implemented 13:21:31 sim k: scsi: device set offline - command error recover failed: host 1 channel 0 id 0 lun 0 13:21:31 sim k: r 14462256 13:21:32 sim k: I/O error: dev 08:04, sector 14462504 13:21:32 sim k: I/O error: dev 08:04, sector 14462752 13:21:32 sim k: I/O error: dev 08:04, sector 14463000 ... # many of these! ... 13:21:32 sim k: I/O error: dev 08:04, sector 14463248 13:21:32 sim k: I/O error: dev 08:04, sector 14463496 13:21:32 sim k: I/O error: dev 08:04, sector 14463744 13:21:32 sim k: I/O error: dev 08:04, sector 14463992 ... # some of the lines (like the next one and the one above the first I/O error) seem to be mangeled?! ... 13:21:32 sim k: I/O err 15012528 ... 13:21:37 sim k: EXT2-fs error (device sd(8,4)): ext2_write_inode: unable to read inode block - inode=842221, block=1703947 13:21:37 sim k: I/O error: dev 08:04, sector 13631576 13:21:37 sim k: I/O error: dev 08:04, sector 0 13:21:37 sim k: EXT2-fs error (device sd(8,4)): ext2_write_inode: unable to read inode block - inode=842223, block=1703947 13:21:42 sim k: I/O error: dev 08:04, sector 13631576 13:21:42 sim k: I/O error: dev 08:04, sector 0 ... and so on... ... that's it. the drive activity led stays on until i unplug it. further attempts to access the drive add more of these I/O errors to syslog. unplugging the drive and replugging it in doesn't bring it back to life. sorry for posting such a large chunk. i tried to make it as short as possible without forcing you to click on a link to see the log lines. 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