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> What is the output when you load the drivers and then when you plug in the > drive? This is in dmesg after boot when the drivers have been loaded: drivers/usb/core/usb.c: registered new driver usbfs drivers/usb/core/usb.c: registered new driver hub ohci_hcd: 2004 Feb 02 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI) ohci_hcd: block sizes: ed 64 td 64 ohci_hcd 0000:01:00.0: OHCI Host Controller ohci_hcd 0000:01:00.0: irq 19, pci mem f8819000 ohci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1 hub 1-0:1.0: USB hub found hub 1-0:1.0: 3 ports detected ohci_hcd 0000:01:00.1: OHCI Host Controller ohci_hcd 0000:01:00.1: irq 19, pci mem f881b000 ohci_hcd 0000:01:00.1: new USB bus registered, assigned bus number 2 hub 2-0:1.0: USB hub found hub 2-0:1.0: 3 ports detected drivers/usb/host/uhci-hcd.c: USB Universal Host Controller Interface driver v2.1 uhci_hcd 0000:01:0b.0: UHCI Host Controller uhci_hcd 0000:01:0b.0: irq 17, io base 0000a800 uhci_hcd 0000:01:0b.0: new USB bus registered, assigned bus number 3 hub 3-0:1.0: USB hub found hub 3-0:1.0: 2 ports detected uhci_hcd 0000:01:0b.1: UHCI Host Controller uhci_hcd 0000:01:0b.1: irq 18, io base 0000a880 uhci_hcd 0000:01:0b.1: new USB bus registered, assigned bus number 4 hub 4-0:1.0: USB hub found hub 4-0:1.0: 2 ports detected ehci_hcd 0000:01:0b.2: EHCI Host Controller ehci_hcd 0000:01:0b.2: irq 19, pci mem f881d800 ehci_hcd 0000:01:0b.2: new USB bus registered, assigned bus number 5 ehci_hcd 0000:01:0b.2: USB 2.0 enabled, EHCI 1.00, driver 2003-Dec-29 hub 5-0:1.0: USB hub found hub 5-0:1.0: 4 ports detected When I plug the drive into the (alledged) USB2 ports get the following: Mar 22 16:44:57 arp13wp11 kernel: usb 4-1: new full speed USB device using address 3 Mar 22 16:44:57 arp13wp11 kernel: scsi2 : SCSI emulation for USB Mass Storage devices Mar 22 16:44:57 arp13wp11 kernel: Vendor: IC25N020 Model: ATMR04-0 Rev: 0811 Mar 22 16:44:57 arp13wp11 kernel: Type: Direct-Access ANSI SCSI revision: 02 Mar 22 16:44:57 arp13wp11 kernel: SCSI device sdb: 39070080 512-byte hdwr sectors (20004 MB) Mar 22 16:44:57 arp13wp11 kernel: sdb: assuming drive cache: write through Mar 22 16:44:57 arp13wp11 kernel: /dev/scsi/host2/bus0/target0/lun0: p1 Mar 22 16:44:57 arp13wp11 kernel: Attached scsi disk sdb at scsi2, channel 0, id 0, lun 0 Mar 22 16:44:57 arp13wp11 kernel: Attached scsi generic sg1 at scsi2, channel 0, id 0, lun 0, type 0 Mar 22 16:44:57 arp13wp11 modprobe: FATAL: Module scsimon not found. Mar 22 16:44:57 arp13wp11 perl: drakupdate_fstab called with --auto --add /dev/scsi/host2/bus0/target0/lun0/part1 Mar 22 16:44:58 arp13wp11 scsi.agent[28728]: disk at /devices/pci0000:00/0000:00:06.0/0000:01:0b.1/usb4/4-1/4-1:1.0/host2/2:0:0:0 The scsimon stuff is probably harmless since its a relic of the 2.4 kernel. > Also, are you getting interupts for the EHCI driver? /proc/interrupts shows the following lines for usb: 18: 170791 1 IO-APIC-level uhci_hcd, eth0 19: 0 0 IO-APIC-level ohci_hcd, ohci_hcd, ehci_hcd Kernel was booted with acpi=ht I'll try with that line removed. Mark. - -- Mark Watts Senior Systems Engineer QinetiQ TIM St Andrews Road, Malvern GPG Public Key ID: 455420ED -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQFAXxatBn4EFUVUIO0RAiVpAKDExA8khJ8QRRZPdyLPUEDSykFEzwCfRu/N DmiOPoSJQQfvOgLuqQq5Kck= =GsJQ -----END PGP SIGNATURE----- ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id70&alloc_id638&op=click _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
