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Date:      Sun, 16 Nov 2003 10:22:19 -0800
From:      Marcel Moolenaar <marcel@xcllnt.net>
To:        deischen@freebsd.org
Cc:        davidxu@freebsd.org
Subject:   Re: KSE/ia64 broken
Message-ID:  <20031116182219.GB60377@dhcp01.pn.xcllnt.net>
In-Reply-To: <Pine.GSO.4.10.10311161205380.3319-100000@pcnet5.pcnet.com>
References:  <20031115193039.GA55917@dhcp01.pn.xcllnt.net> <Pine.GSO.4.10.10311161205380.3319-100000@pcnet5.pcnet.com>

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On Sun, Nov 16, 2003 at 12:18:33PM -0500, Daniel Eischen wrote:
> 
> Are you sure there's not an ia64 kernel bug or ia64 context
> restoring bug?

There's nothing pointing in that direction yet. I keep thinking
that the case is related to having TP per thread on ia64, while
it's per KSE on i386.

> The critical region may be the malloc spinlock being held
> and the reason it blocked perhaps due to a page fault.  Is
> it possible that the blocked context is incorrectly marked,
> or that it is just not being resumed properly?

The likelylood that it's incorrectly marked is larger than
the likelyhood that it's improperly resumed.

-- 
 Marcel Moolenaar	  USPA: A-39004		 marcel@xcllnt.net



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