http://fpaste.org/218248/43075468/ dmesg --kernel output after receiving the bug, this was also put on the bug report. Let me know if you need any other logs. On Mon, May 4, 2015 at 8:16 AM, Brian Monroe <briancmonroe@xxxxxxxxx> wrote: > It's on Fedora 21 (though it was present in Fedora 20 as well) there's > a bug report with Redhat's bugzilla in the description. I don't think > those commands will work on my system, but I'll get it straightened > out and get back to you on the usbcore and xhci logs. > > On Mon, May 4, 2015 at 8:14 AM, Brian Monroe <briancmonroe@xxxxxxxxx> wrote: >> It's on Fedora 21 (though it was present in Fedora 20 as well) there's a bug >> report with Redhat's bugzilla in the description. I don't think those >> commands will work on my system, but I'll get it straightened out and get >> back to you on the usbcore and xhci logs. >> >> On Sun, May 3, 2015 at 6:40 PM Lu, Baolu <baolu.lu@xxxxxxxxxxxxxxx> wrote: >>> >>> Hi Brian Monroe, >>> >>> On which platform did you see this problem? >>> >>> Do you have any kernel messages when this problem happens? >>> >>> It should be more helpful if we have kernel messages with usbcore and >>> xhci dynamic debug enabled. >>> >>> "usbcore" and "xhci" dynamic debug could be enabled with below commands. >>> >>> # echo -n 'module xhci_hcd =p' > /sys/kernel/debug/dynamic_debug/control >>> # echo -n 'module usbcore =p' > /sys/kernel/debug/dynamic_debug/control >>> >>> Thanks, >>> Baolu >>> >>> On 04/29/2015 02:23 AM, Brian Monroe wrote: >>> > I filed a bug with kernel.org: >>> > https://bugzilla.kernel.org/show_bug.cgi?id=97391 and Greg >>> > Kroah-Hartman requested that I email this list to advise you of the >>> > issue as well. >>> > >>> > There's also a bug that's been filed with Fedora >>> > https://bugzilla.redhat.com/show_bug.cgi?id=1168557 for this issue, >>> > and there's the lspci info from different machines listed there. >>> > >>> > The computer will reboot instead of shutting down. We found a work >>> > around when you disable xHCI (and consequently USB3) support in the >>> > BIOS and the bug goes away. This has been present in Version 3.17 and >>> > later in the kernel changes for Fedora 21. >>> > -- >>> > 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 >>> > >>> > >>> >> -- 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