Date: Mon, 22 Oct 2012 01:31:04 +0300 From: Alexander Motin <mav@FreeBSD.org> To: David Wolfskill <david@catwhisker.org> Cc: stable@freebsd.org Subject: Re: stable/9 @r241776 panic: REDZONE: Buffer underflow detected... Message-ID: <508477A8.2040609@FreeBSD.org> In-Reply-To: <5084713A.1050200@FreeBSD.org> References: <20121020141019.GW1817@albert.catwhisker.org> <20121021121356.GJ35915@deviant.kiev.zoral.com.ua> <20121021163322.GB1730@albert.catwhisker.org> <20121021164634.GC1730@albert.catwhisker.org> <20121021174054.GM35915@deviant.kiev.zoral.com.ua> <50843EB6.8030407@FreeBSD.org> <20121021202346.GB1609@albert.catwhisker.org> <5084713A.1050200@FreeBSD.org>
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On 22.10.2012 01:03, Alexander Motin wrote: > On 21.10.2012 23:23, David Wolfskill wrote: >> On Sun, Oct 21, 2012 at 09:28:06PM +0300, Alexander Motin wrote: >>> ... >>> I am curious, how to interpret phrase "42=94966796 bytes allocated" in >>> log. May be it is just corrupted output, but the number still seems >>> quite big, especially for i386 system, making me think about some >>> integer overflow. David, could you write down that part once more? >>> >>> Having few more lines of "Allocation backtrace:" could also be useful. >>> >>> Could you show your kernel config? I can try to run it on my tests >>> system, hoping to reproduce the problem. >>> ... > > I've used your kernel config and my test system was unable to boot from > NFS, while GENERIC kernel boots fine. I haven't got panic, but boot just > stopped on root mounting. You have so many options specified there so I > can't predict which of them could cause this. Now I am trying to binary > search for the problematic one(s). Sorry. false alarm. I was just closed firewall in your kernel config. Without it my test system boots your kernel without any problem. -- Alexander Motin
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