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    Subjectnosmp kernel parameter problems
    Hi,

    I'm running kernel 2.4.6 on a dual Pentium system. When I boot the SMP
    kernel with the "nosmp" kernel parameter, The SCSI and USB systems
    stop working.

    This is the SCSI driver:
    Jul 9 20:56:23 two kernel: scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.1.13
    Jul 9 20:56:23 two kernel: <Adaptec aic7890/91 Ultra2 SCSI adapter>
    Jul 9 20:56:23 two kernel: aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/255 SCBs

    During the bus probe, I get the following sequence of messages for every ID:
    Jul 9 20:51:13 two kernel: scsi0:0:0:0: Attempting to queue an ABORT message
    Jul 9 20:51:13 two kernel: scsi0:0:0:0: Command already completed
    Jul 9 20:51:13 two kernel: aic7xxx_abort returns 8194
    Jul 9 20:51:13 two kernel: scsi0:0:0:0: Attempting to queue an ABORT message
    Jul 9 20:51:13 two kernel: scsi0:0:0:0: Command already completed
    Jul 9 20:51:13 two kernel: aic7xxx_abort returns 8194
    Jul 9 20:51:13 two kernel: scsi0:0:0:0: Attempting to queue a TARGET RESET message
    Jul 9 20:51:13 two kernel: scsi0:0:0:0: Is not an active device
    Jul 9 20:51:13 two kernel: aic7xxx_dev_reset returns 8194
    Jul 9 20:51:13 two kernel: scsi0:0:0:0: Attempting to queue an ABORT message
    Jul 9 20:51:13 two kernel: scsi0:0:0:0: Command already completed
    Jul 9 20:51:13 two kernel: aic7xxx_abort returns 8194
    Jul 9 20:51:13 two kernel: scsi0:0:0:0: Attempting to queue an ABORT message
    Jul 9 20:51:13 two kernel: scsi0:0:0:0: Command already completed
    Jul 9 20:51:13 two kernel: aic7xxx_abort returns 8194
    Jul 9 20:51:13 two kernel: scsi: device set offline - not ready or command retry failed after bus reset: host 0 channel 0 id 0 lun 0

    And here are the USB messages:
    Jul 9 20:51:20 two kernel: usb.c: registered new driver usbdevfs
    Jul 9 20:51:20 two kernel: usb.c: registered new driver hub
    Jul 9 20:51:20 two kernel: usb-uhci.c: $Revision: 1.259 $ time 23:33:45 Jul 5 2001
    Jul 9 20:51:20 two kernel: usb-uhci.c: High bandwidth mode enabled
    Jul 9 20:51:20 two kernel: usb-uhci.c: USB UHCI at I/O 0xe000, IRQ 19
    Jul 9 20:51:20 two kernel: usb-uhci.c: Detected 2 ports
    Jul 9 20:51:20 two kernel: usb.c: new USB bus registered, assigned bus number 1
    Jul 9 20:51:20 two kernel: Product: USB UHCI Root Hub
    Jul 9 20:51:20 two kernel: SerialNumber: e000
    Jul 9 20:51:20 two kernel: hub.c: USB hub found
    Jul 9 20:51:20 two kernel: hub.c: 2 ports detected
    Jul 9 20:51:21 two kernel: usb-uhci.c: v1.251:USB Universal Host Controller Interface driver
    Jul 9 20:51:21 two kernel: usb.c: registered new driver hid
    Jul 9 20:51:21 two kernel: hid.c: v1.16:USB HID support drivers
    Jul 9 20:51:21 two kernel: usb.c: registered new driver usbscanner
    Jul 9 20:51:21 two kernel: scanner.c: USB Scanner support registered.
    Jul 9 20:51:21 two kernel: usb.c: registered new driver usblp
    Jul 9 20:51:21 two kernel: printer.c: v0.8:USB Printer Device Class driver
    ...
    Jul 9 20:51:21 two kernel: hub.c: USB new device connect on bus1/1, assigned device number 2
    Jul 9 20:51:21 two kernel: usb_control/bulk_msg: timeout
    Jul 9 20:51:21 two kernel: usb.c: USB device not accepting new address=2 (error=-110)
    Jul 9 20:51:21 two kernel: hub.c: USB new device connect on bus1/1, assigned device number 3
    Jul 9 20:51:21 two kernel: Adding Swap: 131064k swap-space (priority -1)
    Jul 9 20:51:21 two kernel: usb_control/bulk_msg: timeout
    Jul 9 20:51:21 two kernel: usb.c: USB device not accepting new address=3 (error=-110)
    Jul 9 20:51:21 two kernel: hub.c: USB new device connect on bus1/2, assigned device number 4
    Jul 9 20:51:21 two kernel: eth0: Setting Rx mode to 1 addresses.
    Jul 9 20:51:21 two kernel: usb_control/bulk_msg: timeout
    Jul 9 20:51:21 two kernel: usb.c: USB device not accepting new address=4 (error=-110)
    Jul 9 20:51:21 two kernel: hub.c: USB new device connect on bus1/2, assigned device number 5
    Jul 9 20:51:21 two kernel: eth0: Setting Rx mode to 2 addresses.
    Jul 9 20:51:21 two kernel: usb_control/bulk_msg: timeout
    Jul 9 20:51:21 two kernel: usb.c: USB device not accepting new address=5 (error=-110)

    There should be two devices on the USB bus:
    Jul 9 20:56:27 two kernel: hub.c: USB new device connect on bus1/1, assigned device number 2
    Jul 9 20:56:27 two kernel: Manufacturer: Logitech
    Jul 9 20:56:27 two kernel: Product: USB Mouse
    Jul 9 20:56:27 two kernel: mouse0: PS/2 mouse device for input0
    Jul 9 20:56:27 two kernel: input0: USB HID v1.10 Mouse [Logitech USB Mouse] on usb1:2.0
    Jul 9 20:56:27 two kernel: hub.c: USB new device connect on bus1/2, assigned device number 3
    Jul 9 20:56:27 two kernel: Product: Camera
    Jul 9 20:56:27 two kernel: usb.c: USB device 3 (vend/prod 0x46d/0x870) is not claimed by any active driver.

    --
    Dick Streefland //// TASKING Software BV
    dick.streefland@tasking.com (@ @) http://www.tasking.com
    --------------------------------oOO--(_)--OOo---------------------------
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