Re: USB lockup

To: tech-kern%NetBSD.org@localhost
Subject: Re: USB lockup
From: Edgar Fuß <ef%math.uni-bonn.de@localhost>
Date: Mon, 23 Nov 2020 19:09:46 +0100

> So, during the partial lockup, I see
> 	ohci_softintr#63@0: add TD 0xffff80013ec2de20
> 	ohci_softintr#63@0: add TD 0xffff80013ec2dea0
that's	ohci_softintr#63@0: add TD 0xffff80013ec2dfa0
> 	ohci_softintr#63@0: add TD 0xffff80013ec2dee0
So I think it's endlessly looping in the "Reverse the done list." loop 
in ohci_softintr(), so the td list must have gone circular, no?

Follow-Ups:
- Re: USB lockup
  - From: Edgar Fuß

References:
- ktrace-ing a command that locks up the machine
  - From: Edgar Fuß
- Re: ktrace-ing a command that locks up the machine
  - From: Mouse
- Re: ktrace-ing a command that locks up the machine
  - From: Edgar Fuß
- Re: ktrace-ing a command that locks up the machine
  - From: Paul Goyette
- Re: ktrace-ing a command that locks up the machine
  - From: Paul Goyette
- USB lockup (was: ktrace-ing a command that locks up the machine)
  - From: Edgar Fuß

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