On Fri, Jun 25, 2010 at 02:46:40AM +0200, Zbigniew Luszpinski wrote: > Questions to developers/users: > 1. Can you confirm that usb ohci driver on Linux 2.6 is multicore/SMP > safe? (I would like to know if usb ohci is rock solid on other > chipsets for AMD Phenom like for example amd sb600/700/800) Yes. > 2. I'm currently run out of ideas what can be wrong with this chipset > interrupts. If you know something which may improve or fix this > chipset bug - let me know. I would be happy testing patches or writing > patches based on ideas sent by anyone. Try posting to the linux-kernel list about this. After wrapping your emails properly to 72 columns :) > 3. I'm also interested in differences between interrupt or ohci usb > handling between Linux and WindowsXP. It was right thing to restore > level irq handler to recreate Windows behaviour. If there are other > differences implementing them may improve usb stability in this case. I don't know, go ask Microsoft what they are doing differently, we sure don't know :) But odds are, this is an interrupt handling issue at the core level, like you have found, it's not a USB specific thing. good luck, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html