Date: Wed, 18 Mar 2015 09:53:01 +0100 From: Michael Fuckner <michael@fuckner.net> To: Steven Hartland <killing@multiplay.co.uk>, Ryan Stone <rysto32@gmail.com> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: Server with 3TB Crashing at boot Message-ID: <55093CED.4090604@fuckner.net> In-Reply-To: <5503405E.6050805@multiplay.co.uk> References: <550046F7.1050205@fuckner.net> <CAJ-VmokruCyo3M5up9n%2BAfvkr7VFBtUftpdgc=52ES%2BNt6=JZA@mail.gmail.com> <CAPQ4ffsd-SpsLTbGL8BdBsNHLx9HhVQ4Wh%2B95M98fCmT5idPAg@mail.gmail.com> <550093DD.5040603@freebsd.org> <55015D3B.6030605@fuckner.net> <5501DD57.7030305@freebsd.org> <CAJ-Vmom%2BZy_6ZCcTA_h4LFL-wDdaCmbqAgN5shpOsBBgWJw1mg@mail.gmail.com> <5503234A.4060103@fuckner.net> <55032C1B.5030004@multiplay.co.uk> <CAFMmRNzmr0Z1vXYK5y2QLk3eyUqXyK8TELgh4KHZ%2BDQVDXWZAg@mail.gmail.com> <5503405E.6050805@multiplay.co.uk>
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On 03/13/2015 08:54 PM, Steven Hartland wrote: > > On 13/03/2015 19:40, Ryan Stone wrote: >> On Fri, Mar 13, 2015 at 2:27 PM, Steven Hartland >> <killing@multiplay.co.uk <mailto:killing@multiplay.co.uk>> wrote: >> >> Looks like that's panicing when allocating the zfs dbuf hash >> table, which by my calculation should be requesting 8GB for a 4TB >> physmem? >> >> >> Interesting observation. Michael, can you try booting with this patch >> applied? There is a bug in the kernel when we attempt to malloc() >> more than 4GB. >> >> https://people.freebsd.org/~rstone/patches/vm_64bit_malloc.diff >> <https://people.freebsd.org/%7Erstone/patches/vm_64bit_malloc.diff>; >> > Nice catch Ryan, don't you just love integer overflows ;-) > could someone please push this patch to head- or are there any objections?
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