[issue931] FXRSTR: illegal FP MXCSR ffff002f didinit = 0
eric.j.christeson at gmail.com
Tue Jan 29 06:03:26 PST 2008
On Jan 28, 2008 9:59 AM, Matthew Dillon <bugs at lists.dragonflybsd.org> wrote:
> Matthew Dillon <dillon at apollo.backplane.com> added the comment:
> :commenting out the FPE which would cause a panic. I'll put that back
> :in so I can debug, though
> :it wasn't very helpful last time. I don't see how that could bring in
> :any old stuff, unless the build
> :process is messed up.
> Maybe you did something to your /etc/make.conf that is blowing up the
> build. High bits of ffff can only happen when userland overwrites
> the signal stack fp save area with a fnsave instruction, and only the
> old threaded libc_r did that.
I resync'd my cvs repo and rebuilt world and kernel with the /etc/make.conf from
a recent snapshot image. Same problem. This morning I downloaded
2CSNAP-20080128-2330-Devel.iso Booting from it results in the same error. This
can't be a problem with my build env if a snapshot CD exhibits the error.
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