Date: Tue, 15 Jul 2008 15:40:44 +0200 From: Kris Kennaway <kris@FreeBSD.org> To: Yony Yossef <yonyossef.lists@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: options WITNESS and locks Message-ID: <487CA8DC.2090703@FreeBSD.org> In-Reply-To: <20def4870807150605w6e3de82eq4a999360e9b49b6c@mail.gmail.com> References: <20def4870807140902y4e5aad69r649d577fb5f5ad84@mail.gmail.com> <487BE91E.1020202@FreeBSD.org> <20def4870807150605w6e3de82eq4a999360e9b49b6c@mail.gmail.com>
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Yony Yossef wrote: > Something is still unclear. All my locks are MTX_DEF type, which means > sleepable, including the one specified in the crash report (MTNIC state > semaphore). > This crash happens when I try to call bus_resource_alloc_any for a SYS_REQ > which is trying to obtain the second lock (ACPI root bus). How come my > MTX_DEF lock is being treated as as non-sleepable? MTX_DEF locks *are* non-sleepable :-) Kris
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