Date: Mon, 22 Oct 2012 01:03:38 +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: <5084713A.1050200@FreeBSD.org> In-Reply-To: <20121021202346.GB1609@albert.catwhisker.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>
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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). -- Alexander Motin
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