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

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

The following reply was made to PR kern/50972; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: skrll%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 13:32:12 +0200

 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
 --