Date: Tue, 25 Mar 2014 15:46:51 -0400 From: John Baldwin <jhb@freebsd.org> To: Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-mobile@freebsd.org" <freebsd-mobile@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>, Konstantin Belousov <kib@freebsd.org>, Bruce Evans <bde@freebsd.org>, Bruce Evans <brde@optusnet.com.au>, Jung-uk Kim <jkim@freebsd.org> Subject: Re: signal 8 (floating point exception) upon resume Message-ID: <201403251546.51476.jhb@freebsd.org> In-Reply-To: <CAJ-Vmo=8hObQz6XkhnN4a8CwB-8cBXcn5jpBssR7mX3aVdywYw@mail.gmail.com> References: <CAJ-Vmo=29BUP7JREe%2BK%2B8zOZNVt2LttjTB2byB0AA2jnCKnPSw@mail.gmail.com> <20140311133610.O1796@besplex.bde.org> <CAJ-Vmo=8hObQz6XkhnN4a8CwB-8cBXcn5jpBssR7mX3aVdywYw@mail.gmail.com>
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On Sunday, March 23, 2014 4:41:24 pm Adrian Chadd wrote: > [snip] > > Hi, > > As part of this thread, a whole lot of stuff was thrown around to try > and fix / improve the correctness of this. > > But it still happens to me in -HEAD i386. I updated to r263418 and > it's now doing it around 30-50% of the time I resume. Yes, nothing has changed in HEAD. > So, since I really am trying to avoid getting neck deep in learning > (by myself) a new thing right now, would someone be willing to help me > through the process of (a) learning how this is all supposed to work > (which thanks to jhb and bde, I think I've learnt from the posts in > this thread) and (b) some things to try out? I'll be able to report > the results of this pretty quickly. You can try www.freebsd.org/~jhb/patches/i386_fpu_suspend2.patch. You could have tried the first patch I posted here earlier when I first posted it as well. :) -- John Baldwin
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