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#1
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ot?: irq errors and XP?
I was under the impression that IRQ conflicts did not occur with the
nt/xp os's. My recent conversion to Xp Pro has been fairly smooth until this week. A flood of race videos filled up my harddrive and suddenly I was beset by many Blue Screens of Death(I had also heard XP did HAVE BSODs) (and yes I made sure the swap file was not being squished on the full drive.) I got a screen full of warnings and gobblydeegook claiming a possible hardware problem and that I should remove any new hardware. Well except for unplugging my USB based Logitech wheel, and then replugging it, I haven't added any hardware for months. The windows trouble shooter said it could be video driver conflicts so I yanked out every hint of an ati file and completely refreshed the video drivers with a never installed version. Cleaned out the registry too. But the crashes kept coming. I could stay active for about 10 or 15 minutes and the BSOD would return. One of the lines of error code seemed to indicate irq problems, so I removed my USB wheel from a front-mounted powered usb hub and the complications have so far disapeared. This is not an elegant solution however, as I have a TPTCC race to practice and get ready for. Is it the hub? The wheel? The usb2 port itself(the one in back the powered hub is connected to.) Time for all the hardware geeks to wake up and earn their keep. The stranger the solution, the better. dave henrie |
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#2
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Hi Dave,
1) Does the USB wheel and other devices work perfectly if you remove the USB Hub from the equation?? 2) Have you updated your Mobo drivers for the USB to the latest version ? I know some Intel based boards require this. 3) Have you tried using your wheel and playing Nascar 2003 from the external view, hanglider position?? 4) Have you emptied your trashcan?? The real one, outside?? Could be the wife sabotaging you. 5) Have you deleted all your setups and recreated them from scratch?? 6) Start a new GPLRank and play with keyboard for a few days until you get to <100 and see if the same problem reappears with the keyboard instead of the wheel. (my favourite). 7) Find out which IRQ the USB is trying to use (see if something comes up after POST, but before XP Boots (disable hard disk if the bootup sequence is too fast). Or see if you can find it in control panel if you get the pc up. 8) Set that IRQ in the bios to be reserved. Hopefully the USB HUB will grab it and not clash. 9) Try installing the TPTCC mod for Burnout3 on the PS2 so that you can practise in the meantime. Regards, istoff |
#3
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#4
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Hi Dave,
Actually, the point about the IRQ is that you *can* reserve one if you have to, especially for a legacy device like some telephony cards, etc. However, considering that USB is a plug and pray service, you would imagine that a USB hub would be IRQ friendly. Note that my understanding of XP's handling of interrupts is quite limited, but IRQ's are still used, but the OS is able to share them amongst several devices without getting too confused. I still get blue-screens now and then and it always seems to be linked to Network or USB devices, go figure. Nice to actually post something on RAS for a change. It doesn't seem the same any more. Atmosphere different, yadda yadda yadda. BTW. Been thinking of a coupla utilities for F1C, you still willing to be a betatester? |
#5
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#6
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> One of the lines of error code seemed to indicate irq problems, so I
> removed my USB wheel from a front-mounted powered usb hub and the > complications have so far disapeared. This is not an elegant solution > however, as I have a TPTCC race to practice and get ready for. Is it the > hub? The wheel? The usb2 port itself(the one in back the powered hub is > connected to.) > > Time for all the hardware geeks to wake up and earn their keep. The > stranger the solution, the better. Sudden frequent BSOD:s after NOT doing any hardware updates really does hint to a hardware problem. If it was IRQL_NOT_LESS_OR_EQUAL -bsod, as you indicate by saying "something IRQ related", it will usually tell the driver name that is causing the problem. If the driver is not always the same, or the error changes on different occasions, I would guess it is a power supply, CPU, motherboard or memory error. Further analysis can be done with easy by making the computer do a full memory dump from the control panel -> system, and then installing windows debugging tools, and after that just opening the memory dump file (defaults to windows directory\memory.dmp) will tell all sorts of info about what had just happened before the BSOD. -- Mika Takala |
#7
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Hi Dave,
Recently had a customer with intermittent freezes when downloading from an iPod connected to a front USB port. The hardware all tested OK, iPod included. Eventually we narrowed it down to not enough oomph from the front USB port. I've seen this before, particularly with other USB devices attached such as scanners drawing the power. After removing the iPod software and reloading it with the device connected to a back USB port, no more problems. I think your wheel probably draws more power than your average memory stick or the like. That said, with XP, I get plenty of systems tripping over after a single Windows update or a program patch, etc. I'd be suspicious of those race videos you mentioned though, because from what you say, the system started tripping over after you downloaded them. Done a spyware check? Glenn |
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