On Wed, 2004-06-02 at 12:38, Alan Stern wrote: > On 2 Jun 2004, Len Brown wrote: > > > Has anybody seen USB interrupts increase > > with no USB devices attached? Seems to be > > related to Ethernet activity on a different IRQ. > > > > Only in IOAPIC mode; only on the VIA133/266 chipsets. > > > > http://bugme.osdl.org/show_bug.cgi?id=2243 > > > > > > http://bugme.osdl.org/show_bug.cgi?id=2739
nvidia binary driver. > http://bugme.osdl.org/show_bug.cgi?id=2752 opposite problem -- no interrupts. Seen afer S3 resume. > http://marc.theaimsgroup.com/?l=linux-usb-devel&m=108573269323454&w=2 nvidia binary driver. > (Plenty of others, but I haven't kept them handy.) > > Unforunately I can't answer your question. People post here only when > they think the problem is USB-related. Turning off one of the USB IRQ > lines gets their attention. But if there aren't any USB devices attached, > no one would think to send a bug report here. > > If you're interested, I can explain why 2.6.4 started masking the > USBSTS_HCH bit from the status register before testing whether to handle > the interrupt. USBSTS_HCH doesn't sound like a valid interrupt indicator anyway right? > If you do find a resolution, please post a pointer to it on the > linux-usb-devel list. Until then, I'll recommend that people boot with > "noirqdebug". as a workaround, yes. otherwise, please encourage them to file a bug and that perhaps with added information a better picture of the root cause will emerge. thanks, -Len ------------------------------------------------------- This SF.Net email is sponsored by the new InstallShield X. >From Windows to Linux, servers to mobile, InstallShield X is the one installation-authoring solution that does it all. Learn more and evaluate today! http://www.installshield.com/Dev2Dev/0504 _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
