Date: Mon, 10 Aug 1998 17:26:52 -0400 (EDT) From: Luoqi Chen <luoqi@watermarkgroup.com> To: freebsd-smp@FreeBSD.ORG, mal@algonet.se Subject: Re: SMP + Wine => panic Message-ID: <199808102126.RAA23228@lor.watermarkgroup.com>
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> I got a kernel panic when trying to run wine on my SMP current system
> (cvsup'ped July 21, 2xPpro233 on Providence mb, smp+softupdates).
>
> Could it be the USER_LDT stuff not working with SMP?
>
> I have appended the stack trace, if someone wants more info just ask.
>
I doubt it's SMP related. It looked like the page fault occured when
trying to access the user ldt table. Could you look at pcb->pcb_ldt
(long word at 0xf444801c)? Is it 0? You may want to try the patch
I submitted in PR i386/6219 (use the patch in my own follow up, there're
some error in the original submission).
> _
> Mats Lofkvist
> mal@algonet.se
>
> PS Is anyone working on replacing the clone() calls in wine with
> something that could work on FreeBSD? I could only find rather
> old messages about it via dejanews.
I implemented the function SYSDEPS_SpawnThread() [scheduler/sysdeps.c]
with rfork(), but have never tried it (don't have a multithread
application that runs under wine). You may download it from
http://www.winehq.com/patches980712/fbsd-thread
>
> PPS Which of the sysctl vars am I supposed to tweak to turn
> the second processor off?
>
machdep.smp_active
-lq
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