Date: Tue, 25 Mar 2014 12:45:30 +0100 From: Peter Holm <peter@holm.cc> To: Henrik Gulbrandsen <henrik@gulbra.net> Cc: Konstantin Belousov <kostikbel@gmail.com>, Craig Rodrigues <rodrigc@freebsd.org>, Alan Cox <alc@freebsd.org>, bug-followup@freebsd.org, freebsd-java@freebsd.org Subject: Re: kern/187238: vm.pmap.pcid_enabled="1" causes Java to coredump in FBSD 10 Message-ID: <20140325114530.GA97580@x2.osted.lan> In-Reply-To: <4fef2a9d6875efd153ec11294c0cded6@www.gulbra.net> References: <831cb7b9f4719265e66a26edcf6c0859@www.gulbra.net> <20140324191138.GZ21331@kib.kiev.ua> <4fef2a9d6875efd153ec11294c0cded6@www.gulbra.net>
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On Tue, Mar 25, 2014 at 12:35:01PM +0100, Henrik Gulbrandsen wrote: > On 2014-03-24 20:11, Konstantin Belousov wrote: > > Yes, I think that the analysis and the patch (for stable/10) is > > correct. > > Thank you for tracking this down. > > I'm glad to hear that. I was a bit worried when I encountered a very > similar crash in another Java port yesterday, but that was independent > of the vm.pmap.pcid_enabled tunable and turned out to be a simple > ABI version mismatch. > > > Show me the first lines of the verbose dmesg for your machine. > > I'm sorry - was this a request for me or Craig? I'm not quite sure > what information you're looking for. > > > Below is the cumulative patch for HEAD. If somebody can test this > > with jdk build on HEAD, it would be useful. > > For testing, the tunable vm.pmap.pcid_enabled must be set to 1 > > from the loader prompt. > > I'd be happy to test, but at the moment I'm stuck doing some real work > on my only suitable machine, so it will have to wait. If anyone else > wants to do it - feel free to contribute! :-) > > /Henrik I'm testing this right now. Uptime is 3 hours so far. -- Peter
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