svn commit: r328610 - head/sys/amd64/amd64
John Baldwin
jhb at freebsd.org
Wed Jan 31 16:14:09 UTC 2018
On Wednesday, January 31, 2018 10:31:36 AM Ed Maste wrote:
> On 30 January 2018 at 21:01, John Baldwin <jhb at freebsd.org> wrote:
> > On Tuesday, January 30, 2018 11:29:27 PM John Baldwin wrote:
> >> Author: jhb
> >> Date: Tue Jan 30 23:29:27 2018
> >> New Revision: 328610
> >> URL: https://svnweb.freebsd.org/changeset/base/328610
> >>
> >> Log:
> >> Ensure 'name' is not NULL before passing to strcmp().
> >>
> >> This avoids a nested page fault when obtaining a stack trace in DDB if
> >> the address from the first frame does not resolve to a known symbol.
> >>
> >> MFC after: 1 week
> >> Sponsored by: Chelsio Communications
> >
> > This appears to be fallout from lld? After fixing this, the stack trace
> > for my next panic shows no symbols for functions in the kernel, only
> > functions in kernel modules:
>
> It's fallout from loader changes in r328536. I reverted r328536 (and
> r328603) locally and stack traces are fixed.
Ouch. I'll try to look at this later today unless someone else beats me to
it.
--
John Baldwin
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