Miles Lane wrote:
> 
> It may help if I send my PCI information, which
> lists device interrupts, since this problem
> appears to be IRQ-related.
> 
It is not processor-IRQ-related.
At rh_send_irq the irq means USB-interrupt-transfer.

Roman

> Please let me know if other information is needed.
> 
> /proc/pci:
> 
> PCI devices found:
>   Bus  0, device   0, function  0:
>     Host bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] System Controller 
>(rev 37).
>       Master Capable.  Latency=64.
>       Prefetchable 32 bit memory at 0xf8000000 [0xfbffffff].
>       Prefetchable 32 bit memory at 0xfc9ff000 [0xfc9fffff].
>       I/O at 0xffe4 [0xffe7].
>   Bus  0, device   1, function  0:
>     PCI bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] AGP Bridge (rev 1).
>       Master Capable.  Latency=64.  Min Gnt=10.
>   Bus  0, device   7, function  0:
>     ISA bridge: Advanced Micro Devices [AMD] AMD-756 [Viper] ISA (rev 1).
>   Bus  0, device   7, function  1:
>     IDE interface: Advanced Micro Devices [AMD] AMD-756 [Viper] IDE (rev 3).
>       Master Capable.  Latency=64.
>       I/O at 0xcb00 [0xcb0f].
>   Bus  0, device   7, function  3:
>     Bridge: Advanced Micro Devices [AMD] AMD-756 [Viper] ACPI (rev 3).
>       Master Capable.  Latency=22.
>   Bus  0, device   7, function  4:
>     USB Controller: Advanced Micro Devices [AMD] AMD-756 [Viper] USB (rev 6).
>       IRQ 10.
>       Master Capable.  Latency=16.  Max Lat=80.
>       Non-prefetchable 32 bit memory at 0xfebfe000 [0xfebfefff].
>   Bus  0, device  15, function  0:
>     SCSI storage controller: Adaptec AHA-2930CU (rev 3).
>       IRQ 11.
>       Master Capable.  Latency=64.  Min Gnt=4.Max Lat=4.
>       I/O at 0xf800 [0xf8ff].
>       Non-prefetchable 32 bit memory at 0xfebff000 [0xfebfffff].
>   Bus  0, device  18, function  0:
>     Communication controller: Lucent Microelectronics Venus WinModem (V90, 56KFlex) 
>(rev 0).
>       IRQ 9.
>       Master Capable.  No bursts.  Min Gnt=252.Max Lat=14.
>       Non-prefetchable 32 bit memory at 0xfebfdf00 [0xfebfdfff].
>       I/O at 0xf400 [0xf4ff].
>       I/O at 0xf000 [0xf0ff].
>       I/O at 0xffa8 [0xffaf].
>   Bus  0, device  19, function  0:
>     Ethernet controller: 3Com Corporation 3c905C-TX [Fast Etherlink] (rev 120).
>       IRQ 5.
>       Master Capable.  Latency=64.  Min Gnt=10.Max Lat=10.
>       I/O at 0xfc00 [0xfc7f].
>       Non-prefetchable 32 bit memory at 0xfebfde80 [0xfebfdeff].
>   Bus  0, device  20, function  0:
>     Multimedia audio controller: Creative Labs SB Live! EMU10000 (rev 7).
>       IRQ 9.
>       Master Capable.  Latency=64.  Min Gnt=2.Max Lat=20.
>       I/O at 0xff80 [0xff9f].
>   Bus  0, device  20, function  1:
>     Input device controller: Creative Labs SB Live! (rev 7).
>       Master Capable.  Latency=64.
>       I/O at 0xfff0 [0xfff7].
>   Bus  1, device   5, function  0:
>     VGA compatible controller: PCI device 10de:0101 (nVidia Corporation) (rev 16).
>       IRQ 11.
>       Master Capable.  Latency=64.  Min Gnt=5.Max Lat=1.
>       Non-prefetchable 32 bit memory at 0xfd000000 [0xfdffffff].
>       Prefetchable 32 bit memory at 0xe8000000 [0xefffffff].
> 
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