sparc64 hang with zfs v28

[Pawel Jakub Dawidek]

On Tue, Mar 22, 2011 at 08:11:17PM +0100, Marius Strobl wrote:
> On Tue, Mar 22, 2011 at 01:51:20PM -0400, Roger Hammerstein wrote:
> > 
> > which is:
> > 1310:
> > 1311:   error = put_nvlist(zc, configs);
> > 1312:
> > 1313:   nvlist_free(configs);
> > 1314:
> > 1315:   return (error);
> > 1316:}
> > 1317:
> > 
> 
> Uhm, looks like r219089 changed some xcopy{in,out}() into
> ddi_copy{in,out}(), i.e. copy{in,out}() into bcopy(), which
> is just wrong for copying in data in from/out to userspace.
> However, looking at the other uses of ddi_copy{in,out}() it
> generally seems that ddi_copy{in,out}() should be defined to
> copy{in,out}(). With the attached patch at least my simple
> test cases works again. The one remaining xcopyout() in
> zfs_ioctl.c then could be also replaced with a ddi_copyout().
> Not sure how any of this manages to work on x86 :)

Yeah, I found this as well and waiting for my test machine to be free to
test it. Thanks.

-- 
Pawel Jakub Dawidek                       http://www.wheelsystems.com
FreeBSD committer                         http://www.FreeBSD.org
Am I Evil? Yes, I Am!                     http://yomoli.com
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