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Date:      Thu, 15 Nov 2012 22:51:09 +0200
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Adrian Chadd <adrian@FreeBSD.org>
Cc:        attilio@FreeBSD.org, Ian Lepore <freebsd@damnhippie.dyndns.org>, freebsd-arch@FreeBSD.org, freebsd-hackers@FreeBSD.org
Subject:   Re: [RFQ] make witness panic an option
Message-ID:  <50A555BD.1010105@FreeBSD.org>
In-Reply-To: <CAJ-Vmo=S3a1pyLHOe%2BSayVNDe=mAogQnkNpnSTakpOm56EdOUQ@mail.gmail.com>
References:  <CAJ-Vmo=i=Amo_QqHi4GnGie0Gc0YnK3XaRKjvBO-=SFboFYPmA@mail.gmail.com> <1353001175.1217.153.camel@revolution.hippie.lan> <CAJ-FndBP5Pi=SCpyBLK3b=HM_gQ9u8M4%2B1tLk9tA5X-gqismVA@mail.gmail.com> <1353009310.1217.172.camel@revolution.hippie.lan> <CAJ-Vmo=S3a1pyLHOe%2BSayVNDe=mAogQnkNpnSTakpOm56EdOUQ@mail.gmail.com>

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on 15/11/2012 22:00 Adrian Chadd said the following:
> But I think my change is invaluable for development, where you want to
> improve and debug the locking and lock interactions of a subsystem.

My practical experience was that if you mess up one lock in one place, then it
is a total mess further on.  but apparently you've got a different practical
experience :-)

What would indeed be invaluable to _me_ - if the LOR messages also produced the
stack(s) where a supposedly correct lock order was learned.

-- 
Andriy Gapon



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