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Date: Wed, 16 Nov 2016 17:52:10 +0000
From: Ruslan Bukin <ruslan.bukin@cl.cam.ac.uk>
To: Konstantin Belousov <kostikbel@gmail.com>
Cc: Alan Cox <alc@FreeBSD.org>, src-committers@freebsd.org,
 svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject: Re: svn commit: r308691 - in head/sys: cddl/compat/opensolaris/sys
 cddl/contrib/opensolaris/uts/common/fs/zfs fs/tmpfs kern vm
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 <20161116165343.GX54029@kib.kiev.ua>
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On Wed, Nov 16, 2016 at 04:59:39PM +0000, Ruslan Bukin wrote:
> On Wed, Nov 16, 2016 at 06:53:43PM +0200, Konstantin Belousov wrote:
> > On Wed, Nov 16, 2016 at 01:37:18PM +0000, Ruslan Bukin wrote:
> > > I have a panic with this on RISC-V. Any ideas ?
> > How did you checked that the revision you replied to, makes the problem ?
> > Note that the backtrace below is not reasonable.
> 
> I reverted this commit like that and rebuilt kernel:
> git show 2fa36073055134deb2df39c7ca46264cfc313d77 | patch -p1 -R
> 
> So the problem is reproducible on dual-core with 32mb mdroot.
> 

I just found another interesting behavior:
depending on amount of physical memory :
700m - panic
800m - works fine
1024m - panic

Ruslan