Re: kern/50972: unpluging a in-use USB device hangs

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, Apr 26, 2016 at 11:25:00AM +0000, Nick Hudson wrote:
> The following reply was made to PR kern/50972; it has been noted by GNATS.
> 
> From: Nick Hudson <skrll%netbsd.org@localhost>
> To: Manuel Bouyer <bouyer%antioche.eu.org@localhost>, Nick Hudson <skrll%netbsd.org@localhost>
> Cc: gnats-bugs%netbsd.org@localhost, kern-bug-people%netbsd.org@localhost,
>  gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
> Subject: Re: kern/50972: unpluging a in-use USB device hangs
> Date: Tue, 26 Apr 2016 11:49:29 +0100
> 
>  On 04/25/16 20:58, Manuel Bouyer wrote:
>  > On Sat, Apr 16, 2016 at 07:38:27AM +0100, Nick Hudson wrote:
>  >> On 03/17/16 10:05, Manuel.Bouyer%lip6.fr@localhost wrote:
>  >>>> Number:         50972
>  >>>> Category:       kern
>  >>>> Synopsis:       unpluging a in-use USB device hangs
>  >> Does src/sys/miscfs/specfs/spec_vnops.c:1.162 help here?
>  > Do you mean only rev 1.162, or also previous revisions ?
>  > 1.161->1.162 doesn't apply to netbsd-7. I did the patch by hand,
>  > but this didn't help (it hangs on a mutex in revoke).
>  >
>  OH, you're on netbsd-7.

Yes, the PR is against netbsd-7.

> spec_vnops.c has other changes that are
>  needed as well, I think

can you provide a patch ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--