I have similiar problems with ubuntu 9.10 and my Shuttle Barebone
SN78SH7 and the integrated nvidia GeForce 8200 graphic card: sometimes
the usb bus hangs up so mouse and keybord doesn't respond any longer.
When disconnecting it from usb bus, there seems to be no power on the
bus (optical mouse is dark).
Another great problem with it: sometimes the system hangs up completeley: the
screen changes in a text mode and it is full of colored blocks.
When rebooting it, the shuttle start screen and grub is displayed properly.
When changing in graphics mode again, the colored screen is displayed again and
the system hangs. After cut it from power for about 30 secondes everything
works fine again.
It seems to be a problem when the system is working with a high workload
(e.g. virtual box is running and several other tasks).
Nvidia has the same interrupt as usb2, but in the usb2 port there is no
device connected. How do I change the interrupts?
Here is my interrupt list and a lsusb:
r...@server:~# cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
0: 45 0 0 9 IO-APIC-edge timer
1: 0 0 0 2 IO-APIC-edge i8042
6: 0 0 0 2 IO-APIC-edge floppy
7: 1 0 0 0 IO-APIC-edge parport0
8: 0 0 0 1 IO-APIC-edge rtc0
9: 0 0 0 0 IO-APIC-fasteoi acpi
12: 0 0 0 4 IO-APIC-edge i8042
14: 0 0 55 1526 IO-APIC-edge pata_amd
15: 0 0 0 0 IO-APIC-edge pata_amd
17: 0 0 0 3 IO-APIC-fasteoi ohci1394
20: 0 0 1 1907 IO-APIC-fasteoi
ohci_hcd:usb3, HDA Intel
21: 0 0 0 1387 IO-APIC-fasteoi
ehci_hcd:usb2, nvidia
22: 0 0 2 11364 IO-APIC-fasteoi
ehci_hcd:usb1
23: 0 0 1 128 IO-APIC-fasteoi
ohci_hcd:usb4
26: 0 0 4 14165 PCI-MSI-edge ahci
27: 0 0 0 881 PCI-MSI-edge eth0
NMI: 0 0 0 0 Non-maskable interrupts
LOC: 48350 21055 21335 52518 Local timer interrupts
SPU: 0 0 0 0 Spurious interrupts
CNT: 0 0 0 0 Performance counter
interrupts
PND: 0 0 0 0 Performance pending work
RES: 8313 7529 7732 4982 Rescheduling interrupts
CAL: 221 219 208 95 Function call interrupts
TLB: 1532 1198 1001 841 TLB shootdowns
TRM: 0 0 0 0 Thermal event interrupts
THR: 0 0 0 0 Threshold APIC interrupts
MCE: 0 0 0 0 Machine check exceptions
MCP: 5 5 5 5 Machine check polls
ERR: 1
MIS: 0
r...@server:~# lsusb
Bus 003 Device 002: ID 046d:c00e Logitech, Inc. M-BJ58/M-BJ69 Optical Wheel
Mouse
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0781:b7b9 SanDisk Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 046a:0004 Cherry GmbH CyBoard Keyboard
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
--
usb ports randomly shut off Jaunty beta (SOLVED)
https://bugs.launchpad.net/bugs/350065
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