Date: Tue, 21 Jul 2009 11:31:40 -0400 From: John Baldwin <jhb@freebsd.org> To: Kamigishi Rei <spambox@haruhiism.net> Cc: Lawrence Stewart <lstewart@freebsd.org>, freebsd-current@freebsd.org Subject: Re: [follow-up] Fatal trap 12 in r195146+ in netisr_queue_internal Message-ID: <200907211131.40602.jhb@freebsd.org> In-Reply-To: <4A65DEC6.3020608@haruhiism.net> References: <4A659F98.2060007@haruhiism.net> <200907211114.47691.jhb@freebsd.org> <4A65DEC6.3020608@haruhiism.net>
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On Tuesday 21 July 2009 11:29:10 am Kamigishi Rei wrote: > John Baldwin wrote: > > v didn't change, it was always the busted value. Somehow mtx_lock was > > corrupted to the value 0x14ee000 perhaps due to a buffer overflow bug or > > something else. > > > I see; I'll try to track where exactly it becomes corrupted, then. > Thanks for the input. > (Then, I suppose, this corruption remains in the seemingly 'fixed' > revisions as it's probably just padded somewhere.) > > Please forgive my lack of knowledge in concurrent execution related stuff. No problem it can be rather confusing. :) -- John Baldwin
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