On Tue, 19 Mar 2013, Waskiewicz Jr, Peter P wrote: > On 3/18/2013 1:35 PM, Greg KH wrote: > > On Mon, Mar 18, 2013 at 01:30:47PM -0700, Waskiewicz Jr, Peter P wrote: > >> I have an Atom-based machine (N450) with an ICH8 running Ubuntu LTS > >> 12.04.2. This has the latest updates installed, kernel 3.5.0-23.35. > >> I put the machine into S3, then woke it from the network. After > >> resume, the uhci_hcd and ehci_hcd devices (sharing an interrupt) > >> start flooding interrupts. This continues until the USB driver is > >> reloaded, or I reboot. > >> > >> Is this a known issue? I'm willing to assist debugging, I just > >> wanted to ask if people have seen this yet before I dig into it. If > >> it comes down to building linux-next via git, that's fine, it'll > >> just take about 4 hours on this box to do it. > >> > >> Let me know if there's any additional data folks want to see. > > > > Can you see if this happens with the latest 3.8.3 kernel release? If > > you are stuck using Ubuntu kernels, you need to get support from > > Canonical, there's nothing we can do with their kernel packages, sorry. > > Ok, I take back my previous mail that it's ok with 3.8.3. The bug is > still there, albeit it's intermittent. After 4-5 suspend/resumes on > this box, the ehci_hcd and uhci_hcd (shared fasteoi interrupt) are > flooding interrupts. > > More information: > > USB controller: Intel ICH8, PCI ID 0x2830 - 0x2836 > BIOS: AMI version 080015 > Processor: Atom D510 > > Any other info I can provide if requested. Anything anyone would like > me to try, just let me know. While going through old email messages, I found this. Did the problem ever get fixed, or is it still present in the 3.9 kernel? Alan Stern -- 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