Hi, guys, I am writing a linux kernel driver program on AGP graphic card, sound card. This program worked fine. But in order to decrease latency, and continue to use usb keyboard and mouse, I disabled "USB Emulation" in BIOS and supported usb keyboard and mouse in Linux kernel. Then, interesting thing happened. Now I cannot request IRQ for my AGP graphic card(IRQ 11). The system hangs when my program tries to allocate IRQ 11 for graphic card.
In /proc/pci, I found some USB devices and correspond IRQ used by Intel 82801EB chipset: bus.device.function vendorId:deviceId IRQ ------------------- ------------------- ------ 0.29.0 8086:24d2 11 0.29.1 8086:24d4 10 0.29.2 8086:24d7 9 0.29.3 8086:24de 11 0.29.7 8086:24dd 5 Because my AGP graphic card use IRQ 11, My questions are: 1. Is it possible that some IRQ such as IRQ 11 is reserved because of some kind of linux kernel configuration? I can still use IRQ 10 for sound card. 2. Can I disable the USB devices using IRQ 11? This problem happened when I did some configuration related to USB, so I hope I can get some help here. Any of your suggestion will be highly appreciated. jing __________________________________ Do you Yahoo!? Protect your identity with Yahoo! Mail AddressGuard http://antispam.yahoo.com/whatsnewfree ------------------------------------------------------- This SF.Net email sponsored by: ApacheCon 2003, 16-19 November in Las Vegas. Learn firsthand the latest developments in Apache, PHP, Perl, XML, Java, MySQL, WebDAV, and more! http://www.apachecon.com/ _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
