signal 8 (floating point exception) upon resume

[Adrian Chadd]

I'm not using anything in /etc/src.conf .


-a


On 4 March 2014 08:24, John Baldwin <jhb at freebsd.org> wrote:
> On Monday, March 03, 2014 6:49:08 pm Adrian Chadd wrote:
>> I'll try this soon.
>>
>> I had it fail back to newcons, rather than Xorg normally dying without
>> restoring state. It wouldn't let me spawn a shell. Logging in worked
>> fine, but normal shell exec would eventually and quickly lead to
>> failure, dropping me back to the login prompt.
>
> If you have set CPUTYPE in /etc/src.conf such that your userland binaries
> are built with SSE, etc. then I expect most things to break because the FPU
> is in a funky state without this patch.  I suspect if you don't set CPUTYPE
> so that your userland binaries do not use the FPU, you can probably resume
> just fine without this fix.
>
>> -a
>>
>>
>> On 3 March 2014 11:11, John Baldwin <jhb at freebsd.org> wrote:
>> > On Friday, February 28, 2014 9:00:57 pm Adrian Chadd wrote:
>> >> On 28 February 2014 15:35, Adrian Chadd <adrian at freebsd.org> wrote:
>> >> > ... how'd this ever work in the past then?
>> >> >
>> >>
>> >> .. and I've submitted it as a PR:
>> >>
>> >> kern/187152
>> >
>> > Complete stab in the dark (not compile tested) here:
>> >
>> > http://www.FreeBSD.org/~jhb/patches/i386_fpu_suspend.patch
>> >
>> > --
>> > John Baldwin
>>
>
> --
> John Baldwin