Date: Thu, 19 Dec 2013 23:26:15 +0400 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Larry Baird <lab@gta.com> Cc: freebsd-current@freebsd.org Subject: Re: Strange coredumps with virtualized i386 FreeBSD 10 Message-ID: <20131219192615.GC71033@glebius.int.ru> In-Reply-To: <20131219153332.GC87481@gta.com> References: <20131219145116.GA83323@gta.com> <20131219151024.GA71033@FreeBSD.org> <20131219153332.GC87481@gta.com>
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Larry, On Thu, Dec 19, 2013 at 10:33:32AM -0500, Larry Baird wrote: L> > On Thu, Dec 19, 2013 at 09:51:16AM -0500, Larry Baird wrote: L> > L> Does anybody else have issues with running i386 FreeBSD 10 under Virtual Box? L> > L> I have been running a number of different versions of FreeBSD under Virtual L> > L> Box for some time without any issues. Last week I installed amd64 FreeBSD L> > L> 10 rc1 without any issue. Yesterday I decided to try i386 FreeBSD 10 rc1. L> > L> Install seemed to go ok. After initial boot I tried to update ports using L> > L> portsnap. I got a message about corrupted zip file. I initially thought L> > L> something was wrong with portsnap. Nothing I tried seemed to fix the issue, L> > L> so I moved on. I tried to build subversion. I got coredumps from cc and was L> > L> unable to build any ports. I decided something must have gone wrong with the L> > L> install. I reinstalled and got the same results. I then downloaded and L> > L> installed i386 FreeBSD 10 rc2. I had the same issues. So I then installed L> > L> FreeBSD 10 rc1 amd64. No issues, everything seemed to behave as expected. L> > L> I then installed FreeBSD 9.2 i386. No issues. I then used subversion and L> > L> mergemaster to upgrade to FreeBSD 10 stable. After doing upgrade, I once L> > L> again get coredumps from cc. L> > L> L> > L> In case it matters Virtual box is version 4.3.4 running under Windows 7 64 bit. L> > L> L> > L> Anybody else having issues with i386 FreeBSD 10? L> > L> > Can you please set L> > L> > vfs.unmapped_buf_allowed=0 L> > L> > in boot loader and try to reproduce the problem? L> This seemed to fix the issue. I can now use portsnap and I have successfully L> compiled serveral ports. L> L> Is "unmapped_buf_allowed" a virtualization issue or an i386 issue? We do not yet sure diagnosis yet, but this looks like a bug in the VirtualBox. -- Totus tuus, Glebius.
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