Ok. So I tried -current and situation is the same. I can reproduce the total crash (laptop reboot) by attach/detach athn usb wifi or playing with usb devs somehow.
On Thu, Jan 15, 2015 at 11:51 AM, Stefan Sperling <[email protected]> wrote: > On Thu, Jan 15, 2015 at 10:20:48AM +0400, Evgeny Zhavoronkov wrote: > > When I have these repeted messages from ehci_idone (ehci.c) some > > devices work very slow and unstable. Often Wifi is going down. > > If I try to detach any USB device during these errors I get a kernel > crash > > Please try -current. It is close to the state of what 5.7 will be. > It would be helpful to know if this problem has been fixed for > you between 5.6 and 5.7 releases. Martin Pieuchot has done a lot > of work on the USB stack over the past months. > > FWIW I'm sometimes still seeing ehci_idone spinning with my USB keyboard > and mouse attached behind several USB hubs, but otherwise not anymore.
