Date: Sat, 10 Feb 2001 22:37:46 +0100 From: Andrea Campi <andrea@webcom.it> To: Jake Burkholder <jburkholder0829@home.com> Cc: freebsd-current@freebsd.org, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/alpha/alpha trap.c src/sys/i386/i386 trap.c Message-ID: <20010210223745.A406@webcom.it> In-Reply-To: <20010210203757.E1C1BBAB0@cr66388-a.rchrd1.on.wave.home.com>; from jburkholder0829@home.com on Sat, Feb 10, 2001 at 03:37:52PM -0500 References: <jake@FreeBSD.org> <20010210203757.E1C1BBAB0@cr66388-a.rchrd1.on.wave.home.com>
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> > Clear the reschedule flag after finding it set in userret(). This
> > used to be in cpu_switch(), but I don't see any difference between
> > doing it here.
>
> Should be in the clear now. asmodia has seen a lock reversal between
> the process lock and uidinfo lock, but I can't reproduce it. You
> probably want to remove the kernel option WITNESS_DDB if you have it
> it enabled.
Another one, during fsck (I can still panic the system by ejecting pccard):
lock order reversal
1st vnode interlock last acquired @ ../../ufs/ffs/ffs_vfsops.c:396
2nd 0xc0299bc0 mntvnode @ ../../ufs/ffs/ffs_vfsops.c:457
3rd 0xc60bafec vnode interlock @ ../../kern/vfs_subr.c:1871
--
Yes, I've heard of "decaf." What's your point?
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