Re: port-i386/53383: i386 tests panic under qemu with x86/identcpu.c 1.72

[Maxime Villard <max%m00nbsd.net@localhost>]

The following reply was made to PR port-i386/53383; it has been noted by GNATS.

From: Maxime Villard <max%m00nbsd.net@localhost>
To: Andreas Gustafsson <gson%gson.org@localhost>
Cc: gnats-bugs%NetBSD.org@localhost
Subject: Re: port-i386/53383: i386 tests panic under qemu with x86/identcpu.c
 1.72
Date: Tue, 19 Jun 2018 09:06:36 +0200

 Le 19/06/2018 à 09:01, Andreas Gustafsson a écrit :
 > With x86/x86/fpu.c 1.38, the panic has moved to fpu.c line 699:
 
 Yes I saw, looks like there is a race in cpu_lwp_fork(), the thread could
 have context-switched between fpusave_lwp() and fpu_save_area_fork(), and
 in this case we're back with pcb_fpcpu!=NULL.