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Old 04-16-2004, 05:54 AM   #1
Julianus
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The DWL650+ card (acx100) works only when the mouse moves


I'm using since a while a DWL-650+ card on Fedora Core 1 (Kernel 2.4.22) with a acx100 module from Craig's ACX100 HowTo page that I compiled.

It's working well, but ... - I know its weird - it seems to work better when I move the mouse (USB). I see it especially when downloading files, but also for web pages: if the mouse rests, so
does the downloading, and as soon as I move it, the download resumes.

Anyone with a similar experience?

Thanks



M.


(sorry to post this message also here in addition to the Networking Forum, but I realized only later that I should have done it here. Moderator, can you delete the other message? Thanks)
 
Old 04-16-2004, 05:45 PM   #2
Biogenesis
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I don't think this is very applicable nowadays but it sounds like it might be an IRQ conflict. Check /proc/interrupts and see which IRQ each device is using.
 
Old 04-16-2004, 06:40 PM   #3
Julianus
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$ cat /proc/interrupts
CPU0
0: 86379 XT-PIC timer
1: 229 XT-PIC keyboard
2: 0 XT-PIC cascade
8: 1 XT-PIC rtc
11: 41591 XT-PIC usb-uhci, Texas Instruments PCI1420, Texas Instruments PCI1420 (#2), eth0, Intel ICH3
14: 13338 XT-PIC ide0
15: 2719 XT-PIC ide1
NMI: 0

It seems both usb-uhci and eth0 are using the same IRQ.

I tried to rmmod and insmod usb-uhci, but it doesn't seem to make any difference.

Any suggestion?


Thanks
 
Old 04-16-2004, 09:43 PM   #4
Biogenesis
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Try using a PS/2 mouse and see if it makes any difference. Also remove any other USB devices you might have plugged in.

The other option would be to try and get the BIOS to assign a different IRQ or reserve a different IRQ for the PCI card. Every BIOS i've seen before allows you to assign a specific IRQ to a specific PCI slot, it's generally in PCI device configuration or something to that affect.

You could also try putting the card in a different PCI slot, this tends to assign a different IRQ (it also makes windoze 98 re-install the driver ).
 
Old 06-15-2004, 06:01 AM   #5
Julianus
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Thumbs up

I recently switched to FC2. With the latest acx100 driver, 0.2.0pre8_plus_fixes_6, the problem is not there anymore.
 
  


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