Re: signal 8 (floating point exception) upon resume
Adrian Chadd <[email protected]>
| Newsgroups | gmane.os.freebsd.current,gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <CAJ-Vmo=VGcWmW1utRcA+eRPdPJhCMeMuzf7_35gKwKFrTUuY7Q@mail.gmail.com> |
I'm not using anything in /etc/src.conf . -a On 4 March 2014 08:24, John Baldwin <[email protected]> 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 <[email protected]> wrote: >> > On Friday, February 28, 2014 9:00:57 pm Adrian Chadd wrote: >> >> On 28 February 2014 15:35, Adrian Chadd <[email protected]> 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 _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "[email protected]"