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Old 08-24-2006, 09:48 PM   #1
AngryLlama
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Registered: Sep 2004
Location: /dev/urandom
Distribution: Gentoo
Posts: 171

Rep: Reputation: 31
USB Conflicts and boot problems


I recently installed Debian on my parents' computer. Now, the problem may be because I am unfamiliar with Debian as I normally use Gentoo. However, I doubt that the problem is Debian specific. If so, this thread can be moved to the Debian forum.

Some background:

I installed Debian on the computer and updated the kernel-image to 2.6.8-3 (as this is the latest version available for Sarge). I then installed the nvidia drivers, CUPS, and HP printer drivers. These are the only additional steps I took in installing the system.

The problem:

Rebooting the computer into the 2.6.8-3 kernel caused the computer to halt on boot at the following stage:
Code:
. . .
ip1394: eth1 IEEE-1394 IPv4 over 1394 Ethernet (fw-host0)
    via-ircc: already loaded
    via82cxxx: already loaded
    uhci-hcd: already loaded
    uhci-hcd: already loaded
    Ignoring PCI display device 01:00.0
  PCI    [success]
  usb
I figured that the kernel upgrade caused the problem since booting into 2.6.8-2 seemed to remedy the problem. I was wrong, however, since it worked the next time I boot 2.6.8-3. The problem seems to be random and I can never predict when the system will successfully boot.

I was willing to live with this problem. I plugged a usb-drive into the computer and it showed up as a serial drive, this is good. I rebooted the computer and re-inserted the drive and then my mouse stopped responding. I run into the same problem occationally when connecting a printer.

What could cause certain usb devices to stop working when another device is inserted. What could cause my computer to not boot with the error message shown above? I really want to impress my parents with Linux, but they will not be if they have to try 3 times to boot and cannot use usb-drives.

Thanks in advance.
 
Old 08-24-2006, 10:41 PM   #2
AngryLlama
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Registered: Sep 2004
Location: /dev/urandom
Distribution: Gentoo
Posts: 171

Original Poster
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Here is some more information that may prove useful. First off is my dmesg output after a successful boot. I'll just post the whole thing:
Code:
Linux version 2.6.8-3-386 (root@lart) (gcc version 3.3.5 (Debian 1:3.3.5-13)) #1 Sat Jul 15 09:26:40 UTC 2006
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 000000003fff0000 (usable)
 BIOS-e820: 000000003fff0000 - 000000003fff3000 (ACPI NVS)
 BIOS-e820: 000000003fff3000 - 0000000040000000 (ACPI data)
 BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
 BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
 BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
Warning only 896MB will be used.
Use a HIGHMEM enabled kernel.
896MB LOWMEM available.
On node 0 totalpages: 229376
  DMA zone: 4096 pages, LIFO batch:1
  Normal zone: 225280 pages, LIFO batch:16
  HighMem zone: 0 pages, LIFO batch:1
DMI 2.2 present.
ACPI: RSDP (v000 VIA694                                    ) @ 0x000f70e0
ACPI: RSDT (v001 VIA694 AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x3fff3000
ACPI: FADT (v001 VIA694 AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x3fff3040
ACPI: DSDT (v001 VIA694 AWRDACPI 0x00001000 MSFT 0x0100000d) @ 0x00000000
ACPI: PM-Timer IO Port: 0x4008
Built 1 zonelists
Kernel command line: root=/dev/hdb3 ro 
Found and enabled local APIC!
Initializing CPU#0
PID hash table entries: 4096 (order 12: 32768 bytes)
Detected 1734.972 MHz processor.
Using pmtmr for high-res timesource
Console: colour VGA+ 80x25
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 901948k/917504k available (1337k kernel code, 14808k reserved, 731k data, 204k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay loop... 3432.44 BogoMIPS
Security Scaffold v1.0.0 initialized
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: After generic identify, caps: 0383fbff c1c3fbff 00000000 00000000
CPU: After vendor identify, caps:  0383fbff c1c3fbff 00000000 00000000
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 256K (64 bytes/line)
CPU: After all inits, caps:        0383fbff c1c3fbff 00000000 00000420
CPU: AMD Athlon(tm) XP 2100+ stepping 02
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
Checking for popad bug... OK.
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
Using local APIC timer interrupts.
calibrating APIC timer ...
..... CPU clock speed is 1733.0740 MHz.
..... host bus clock speed is 266.0729 MHz.
checking if image is initramfs...it isn't (ungzip failed); looks like an initrd
Freeing initrd memory: 4220k freed
NET: Registered protocol family 16
EISA bus registered
spurious 8259A interrupt: IRQ7.
PCI: PCI BIOS revision 2.10 entry at 0xfb4b0, last bus=1
PCI: Using configuration type 1
mtrr: v2.0 (20020519)
ACPI: Subsystem revision 20040326
ACPI: IRQ9 SCI: Level Trigger.
ACPI: Interpreter enabled
ACPI: Using PIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (00:00)
PCI: Probing PCI hardware (bus 00)
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 1 3 4 5 6 7 10 *11 12 14 15)
ACPI: PCI Interrupt Link [LNKB] (IRQs 1 3 4 5 6 7 10 11 *12 14 15)
ACPI: PCI Interrupt Link [LNKC] (IRQs 1 3 4 *5 6 7 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKD] (IRQs 1 3 4 5 6 7 *10 11 12 14 15)
ACPI: PCI Interrupt Link [ALKA] (IRQs 16 17 18 19 20 21 22 23) *0, disabled.
ACPI: PCI Interrupt Link [ALKB] (IRQs 16 17 18 19 20 21 22 23) *0, disabled.
ACPI: PCI Interrupt Link [ALKC] (IRQs 22) *0, disabled.
ACPI: PCI Interrupt Link [ALKD] (IRQs 21) *0, disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
PnPBIOS: Scanning system for PnP BIOS support...
PnPBIOS: Found PnP BIOS installation structure at 0xc00fbf80
PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xbfb0, dseg 0xf0000
pnp: 00:0b: ioport range 0x3f0-0x3f1 has been reserved
PnPBIOS: 15 nodes reported by PnP BIOS; 15 recorded by driver
PCI: Using ACPI for IRQ routing
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
ACPI: PCI interrupt 0000:00:08.0[A] -> GSI 10 (level, low) -> IRQ 10
ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 12
ACPI: PCI interrupt 0000:00:0d.0[A] -> GSI 12 (level, low) -> IRQ 12
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
ACPI: PCI interrupt 0000:00:0d.2[B] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI interrupt 0000:00:0f.0[A] -> GSI 12 (level, low) -> IRQ 12
ACPI: PCI interrupt 0000:00:0f.1[B] -> GSI 10 (level, low) -> IRQ 10
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 5
ACPI: PCI interrupt 0000:00:0f.2[C] -> GSI 5 (level, low) -> IRQ 5
ACPI: PCI interrupt 0000:00:11.1[A] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI interrupt 0000:00:11.2[D] -> GSI 10 (level, low) -> IRQ 10
ACPI: PCI interrupt 0000:00:11.3[D] -> GSI 10 (level, low) -> IRQ 10
ACPI: PCI interrupt 0000:01:00.0[A] -> GSI 11 (level, low) -> IRQ 11
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x0
Initializing Cryptographic API
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Serial: 8250/16550 driver $Revision: 1.90 $ 54 ports, IRQ sharing enabled
ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
input: AT Translated Set 2 keyboard on isa0060/serio0
EISA: Probing bus 0 at eisa0
EISA: Detected 0 cards.
NET: Registered protocol family 2
IP: routing cache hash table of 8192 buckets, 64Kbytes
TCP: Hash tables configured (established 262144 bind 65536)
NET: Registered protocol family 8
NET: Registered protocol family 20
ACPI: (supports S0 S1 S4 S5)
RAMDISK: cramfs filesystem found at block 0
RAMDISK: Loading 4220 blocks [1 disk] into ram disk... |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\done.
VFS: Mounted root (cramfs filesystem) readonly.
Freeing unused kernel memory: 204k freed
vesafb: probe of vesafb0 failed with error -6
NET: Registered protocol family 1
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller at PCI slot 0000:00:11.1
ACPI: PCI interrupt 0000:00:11.1[A] -> GSI 11 (level, low) -> IRQ 11
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
VP_IDE: VIA vt8233a (rev 00) IDE UDMA133 controller on pci0000:00:11.1
    ide0: BM-DMA at 0xe400-0xe407, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0xe408-0xe40f, BIOS settings: hdc:DMA, hdd:DMA
hda: MAXTOR 4K040H2, ATA DISK drive
hdb: ST3160023A, ATA DISK drive
Using anticipatory io scheduler
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 128KiB
hda: 78198750 sectors (40037 MB) w/2000KiB Cache, CHS=65535/16/63, UDMA(100)
 /dev/ide/host0/bus0/target0/lun0: p1
hdb: max request size: 1024KiB
hdb: 312581808 sectors (160041 MB) w/8192KiB Cache, CHS=19457/255/63, UDMA(100)
 /dev/ide/host0/bus0/target1/lun0: p1 p2 p3 p4
hdc: CREATIVE DVD-ROM DVD1610E, ATAPI CD/DVD-ROM drive
hdd: Memorex 48MAXX 2448AJ, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
VFS: Can't find ext3 filesystem on dev hdb3.
VFS: Can't find ext2 filesystem on dev hdb3.
ReiserFS: hdb3: found reiserfs format "3.6" with standard journal
ReiserFS: hdb3: using ordered data mode
ReiserFS: hdb3: journal params: device hdb3, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
ReiserFS: hdb3: checking transaction log (hdb3)
ReiserFS: hdb3: replayed 94 transactions in 2 seconds
ReiserFS: hdb3: Using r5 hash to sort names
Adding 1951888k swap on /dev/hdb2.  Priority:-1 extents:1
hdc: ATAPI 48X DVD-ROM drive, 512kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
hdd: ATAPI 48X CD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
Capability LSM initialized
kjournald starting.  Commit interval 5 seconds
EXT3 FS on hdb1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on hdb4, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
irda_init()
NET: Registered protocol family 23
ACPI: PCI interrupt 0000:00:08.0[A] -> GSI 10 (level, low) -> IRQ 10
3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
0000:00:08.0: 3Com PCI 3c900 Cyclone 10Mbps TPC at 0xd000. Vers LK1.1.19
ACPI: PCI interrupt 0000:00:0d.0[A] -> GSI 12 (level, low) -> IRQ 12
usbcore: registered new driver usbfs
usbcore: registered new driver hub
USB Universal Host Controller Interface driver v2.2
ACPI: PCI interrupt 0000:00:0f.0[A] -> GSI 12 (level, low) -> IRQ 12
uhci_hcd 0000:00:0f.0: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller
uhci_hcd 0000:00:0f.0: irq 12, io base 0000dc00
uhci_hcd 0000:00:0f.0: new USB bus registered, assigned bus number 1
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ACPI: PCI interrupt 0000:00:0f.1[B] -> GSI 10 (level, low) -> IRQ 10
uhci_hcd 0000:00:0f.1: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (#2)
uhci_hcd 0000:00:0f.1: irq 10, io base 0000e000
uhci_hcd 0000:00:0f.1: new USB bus registered, assigned bus number 2
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
ACPI: PCI interrupt 0000:00:11.2[D] -> GSI 10 (level, low) -> IRQ 10
uhci_hcd 0000:00:11.2: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (#3)
uhci_hcd 0000:00:11.2: irq 10, io base 0000e800
uhci_hcd 0000:00:11.2: new USB bus registered, assigned bus number 3
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
ACPI: PCI interrupt 0000:00:11.3[D] -> GSI 10 (level, low) -> IRQ 10
uhci_hcd 0000:00:11.3: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (#4)
usb 1-1: new full speed USB device using address 2
uhci_hcd 0000:00:11.3: irq 10, io base 0000ec00
uhci_hcd 0000:00:11.3: new USB bus registered, assigned bus number 4
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
hub 1-1:1.0: USB hub found
hub 1-1:1.0: 4 ports detected
usb 1-2: new full speed USB device using address 3
usbcore: registered new driver hiddev
ACPI: PCI interrupt 0000:00:0f.2[C] -> GSI 5 (level, low) -> IRQ 5
ehci_hcd 0000:00:0f.2: VIA Technologies, Inc. USB 2.0
ehci_hcd 0000:00:0f.2: irq 5, pci mem f88ea000
usb 2-2: new low speed USB device using address 2
ehci_hcd 0000:00:0f.2: new USB bus registered, assigned bus number 5
ehci_hcd 0000:00:0f.2: USB 2.0 enabled, EHCI 1.00, driver 2004-May-10
drivers/usb/input/hid-core.c: ctrl urb status -84 received
hiddev96: USB HID v1.10 Device [QMotions Inc. QMotions-Golf Controller] on usb-0000:00:0f.0-2
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.0:USB HID core driver
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 4 ports detected
usb 2-2: device not accepting address 2, error -71
usb 1-1: USB disconnect, address 2
usb 1-2: USB disconnect, address 3
Linux agpgart interface v0.100 (c) Dave Jones
agpgart: Detected VIA KT266/KY266x/KT333 chipset
agpgart: Maximum main memory to use for agp memory: 816M
agpgart: AGP aperture is 128M @ 0xd0000000
cpci_hotplug: CompactPCI Hot Plug Core version: 0.2
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
shpchp: acpi_shpchprm:\_SB_.PCI0 evaluate _BBN fail=0x5
shpchp: acpi_shpchprm:get_device PCI ROOT HID fail=0x5
pciehp: acpi_pciehprm:\_SB_.PCI0 evaluate _BBN fail=0x5
pciehp: acpi_pciehprm:get_device PCI ROOT HID fail=0x5
usb 1-1: new full speed USB device using address 4
hub 1-1:1.0: USB hub found
hub 1-1:1.0: 4 ports detected
usb 1-2: new full speed USB device using address 5
Creative EMU10K1 PCI Audio Driver, version 0.20a, 09:45:59 Jul 15 2006
gameport: pci0000:00:0d.1 speed 1420 kHz
ieee1394: Initialized config rom entry `ip1394'
ohci1394: $Rev: 1223 $ Ben Collins <bcollins@debian.org>
ACPI: PCI interrupt 0000:00:0d.2[B] -> GSI 11 (level, low) -> IRQ 11
ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[11]  MMIO=[eb004000-eb0047ff]  Max Packet=[2048]
ieee1394: Host added: ID:BUS[0-00:1023]  GUID[00023c0101001002]
ip1394: $Rev: 1224 $ Ben Collins <bcollins@debian.org>
ip1394: eth1: IEEE-1394 IPv4 over 1394 Ethernet (fw-host0)
drivers/usb/input/hid-core.c: ctrl urb status -2 received
drivers/usb/input/hid-core.c: timeout initializing reports

hiddev96: USB HID v1.10 Device [QMotions Inc. QMotions-Golf Controller] on usb-0000:00:0f.0-2
usb 2-2: new low speed USB device using address 4
input: USB HID v1.10 Mouse [Microsoft Microsoft 3-Button Mouse with IntelliEye(TM)] on usb-0000:00:0f.1-2
ts: Compaq touchscreen protocol output
mice: PS/2 mouse device common for all mice
usb 1-1.1: new full speed USB device using address 6
drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 6 if 0 alt 0 proto 2 vid 0x03F0 pid 0x0704
usbcore: registered new driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
usb 1-1.2: new full speed USB device using address 7
Real Time Clock Driver v1.12
input: PC Speaker
inserting floppy driver for 2.6.8-3-386
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
parport: PnPBIOS parport detected.
parport0: PC-style at 0x378 (0x778), irq 7, dma 3 [PCSPP,TRISTATE,COMPAT,EPP,ECP,DMA]
NET: Registered protocol family 17
NET: Registered protocol family 10
Disabled Privacy Extensions on device c02cc960(lo)
IPv6 over IPv4 tunneling driver
lp0: using parport0 (interrupt-driven).
nvidia: module license 'NVIDIA' taints kernel.
ACPI: PCI interrupt 0000:01:00.0[A] -> GSI 11 (level, low) -> IRQ 11
NVRM: loading NVIDIA Linux x86 NVIDIA Kernel Module  1.0-7174  Tue Mar 22 06:44:39 PST 2005
agpgart: Found an AGP 2.0 compliant device at 0000:00:00.0.
agpgart: Putting AGP V2 device at 0000:00:00.0 into 2x mode
agpgart: Putting AGP V2 device at 0000:01:00.0 into 2x mode
agpgart: Found an AGP 2.0 compliant device at 0000:00:00.0.
agpgart: Putting AGP V2 device at 0000:00:00.0 into 2x mode
agpgart: Putting AGP V2 device at 0000:01:00.0 into 2x mode
eth0: no IPv6 routers present
What I find interesting in it are these lines:
Code:
 ip1394: eth1: IEEE-1394 IPv4 over 1394 Ethernet (fw-host0)
drivers/usb/input/hid-core.c: ctrl urb status -2 received
drivers/usb/input/hid-core.c: timeout initializing reports
They may be signs of an error and they occur immediately after the point where the system usually freezes. Perhaps this is signifying a problem with the Firewire port on the SoundBlaster (EMU10K1) card? I have no intent to use FireWire, I wonder how it can be disabled in the stock debian kernel.

I mentioned how the mouse will lock up in my previous post. Here are some details:
When I insert the usb-drive (it is actually a zen neeon mp3 player) and X11 is running then I get the following output to dmesg:
Code:
usb 1-1.4: new full speed USB device using address 10
usb 1-1.4: not running at top speed; connect to a high speed hub
scsi2 : SCSI emulation for USB Mass Storage devices
  Vendor: CREATIVE  Model: Zen Neeon         Rev: 0100
  Type:   Direct-Access                      ANSI SCSI revision: 02
SCSI device sda: 11654748 512-byte hdwr sectors (5967 MB)
sda: assuming Write Enabled
sda: assuming drive cache: write through
 /dev/scsi/host2/bus0/target0/lun0: p1
Attached scsi removable disk sda at scsi2, channel 0, id 0, lun 0
USB Mass Storage device found at 10
usb 2-2: control timeout on ep0in
usb 2-2: control timeout on ep0in
usb 2-2: control timeout on ep0in
usb 2-2: control timeout on ep0in
usb 2-2: control timeout on ep0in
usb 2-2: control timeout on ep0in
usb 2-2: control timeout on ep0in
usb 2-2: control timeout on ep0in
usb 2-2: control timeout on ep0in
The mouse stops functioning; I haven't tried testing the printer at this point, but I'm sure it doesn't function any better.

The strange thing is when I reboot and enter a non-X11 screen. For example, I Ctrl-Alt-F1 to a command console. Inserting the usb-drive does NOT cause the mouse to freeze and the output to dmesg seems to imply success:
Code:
usb 1-1.4: new full speed USB device using address 8
usb 1-1.4: not running at top speed; connect to a high speed hub
SCSI subsystem initialized
Initializing USB Mass Storage driver...
scsi0 : SCSI emulation for USB Mass Storage devices
  Vendor: CREATIVE  Model: Zen Neeon         Rev: 0100
  Type:   Direct-Access                      ANSI SCSI revision: 02
USB Mass Storage device found at 8
usbcore: registered new driver usb-storage
USB Mass Storage support registered.
SCSI device sda: 11654748 512-byte hdwr sectors (5967 MB)
sda: assuming Write Enabled
sda: assuming drive cache: write through
 /dev/scsi/host0/bus0/target0/lun0: p1
Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
It is odd that simply having the mouse cursor drawn on the screen will make such a difference.

I am really stuck on this one, and it is a shame since I am trying to sell someone on Linux. Can anyone recommend any steps in diagnosing or fixing the problem? Has anyone had any issues remotely like this?

Thanks.
 
  


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