Re: kernel: uhub_reattach_port: giving up port reset - device vanished
Hans Petter Selasky <[email protected]> Sat, 24 Nov 2018 10:03:41 +0100
| Newsgroups | gmane.os.freebsd.devel.hardware,gmane.os.freebsd.questions |
|---|---|
| Message-ID | <[email protected]> |
On 11/24/18 9:42 AM, Hans Petter Selasky wrote: > On 11/23/18 6:51 PM, tech-lists wrote: >> Hi, >> >> On a 12.0-BETA2 system, am seeing lots of this in /var/log/messages: >> >> uhub_reattach_port: giving up port reset - device vanished >> uhub_reattach_port: giving up port reset - device vanished >> uhub_reattach_port: giving up port reset - device vanished >> >> last message repeated 496 times >> >> There's only two things usb on this machine, a usb3 pci card (which has >> nothing plugged into it) and a usb2 wireless key plugged into the usb >> system built into the motherboard. It's detected as run0. The device >> works fine, doesn't drop packets. >> >> How can I debug this? Should I upgrade to 12-PRERELEASE (or whatever the >> latest is) first? > > Hi, > > There hasn't been any USB changes in this area. Likely you have a broken > or unsupported USB device, which doesn't enumerate properly. I see this > on my computer with a USB bluetooth device, which because it doesn't > receive valid firmware at first boot, becomes in-accessible. Maybe you > can disable some such USB devices in the BIOS. > > --HPS > BTW: There are some USB knobs to disable USB enumeration: sysctl -a | grep disable_enumeration --HPS _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-hardware To unsubscribe, send any mail to "[email protected]"