Re: Possible issue with vnd

[D'Arcy Cain <darcy%NetBSD.org@localhost>]

On 2017-05-02 11:36 AM, D'Arcy Cain wrote:
> On 2017-05-02 06:54 AM, D'Arcy Cain wrote:
> > Perhaps the Linux file system blocks are smaller than the NetBSD ones
> > and we need this revision;
> >
> > revision 1.255
> > date: 2015-11-30 01:04:47 -0500;  author: mlelstv;  state: Exp;  lines:
> > +28 -2;  commitid: 9TPgApzsrkJdY4Ly;
> > Fall back to VOP_READ/VOP_WRITE if the simulated disk has smaller
> > sectors than the underlying filesystem and VOP_STRATEGY would fail.
> >
> > What are the chances of getting a pullup on that?
>
> I built a -current server and tried the operation.  It worked fine.  I
> will try to patch my 7.1.0_PATCH system with this and see if that was
> the critical change.

Well, so much for that idea.  Patching vnd.c with that commit caused the 
system to hang immediately when I accessed the virtual drive rather than 
some time later when I copied a sparse file.

However, -current works so something has been fixed.  Maybe I need to 
copy the current file and header over and not just that one change.

--
D'Arcy J.M. Cain <darcy%NetBSD.org@localhost>
http://www.NetBSD.org/ IM:darcy%Vex.Net@localhost