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Date:      Wed, 10 Jun 2015 22:29:11 +0200
From:      Mateusz Guzik <mjguzik@gmail.com>
To:        Ivan Klymenko <fidaj@ukr.net>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Mateusz Guzik <mjg@FreeBSD.org>
Subject:   Re: svn commit: r284215 - in head/sys: amd64/linux32 compat/linux compat/svr4 dev/drm2/i915 fs/fdescfs i386/ibcs2 i386/linux kern ofed/drivers/infiniband/core ofed/drivers/infiniband/hw/mthca sys vm
Message-ID:  <20150610202911.GG23380@dft-labs.eu>
In-Reply-To: <20150610230814.3852116f@nonamehost.local>
References:  <201506101048.t5AAmD1O029382@svn.freebsd.org> <20150610214757.59a4b2d0@nonamehost.local> <20150610190925.GD23380@dft-labs.eu> <20150610221317.4b104fbc@nonamehost.local> <20150610192937.GE23380@dft-labs.eu> <20150610230814.3852116f@nonamehost.local>

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On Wed, Jun 10, 2015 at 11:08:14PM +0300, Ivan Klymenko wrote:
> Wed, 10 Jun 2015 21:29:38 +0200
> Mateusz Guzik <mjguzik@gmail.com> написав:
> 
> > On Wed, Jun 10, 2015 at 10:13:17PM +0300, Ivan Klymenko wrote:
> > > Wed, 10 Jun 2015 21:09:25 +0200
> > > Mateusz Guzik <mjguzik@gmail.com> написав:
> > > 
> > > > On Wed, Jun 10, 2015 at 09:47:57PM +0300, Ivan Klymenko wrote:
> > > > > Wed, 10 Jun 2015 10:48:13 +0000 (UTC)
> > > > > Mateusz Guzik <mjg@FreeBSD.org> написав:
> > > > > 
> > > > > > kern_resource.c
> > > > > 
> > > > > I get another panic - this time with VirtualBox:
> > > > > 
> > > 
> > > > 
> > > > Have you recompiled the module after you updated the kernel?
> > > > 
> > > 
> > > Of course.
> > > 
> > 
> > So how have you patched the source? If you have updated headers in
> > place, the compilation should fail due to parameter type mismatch.
> > 
> 
> Unfortunately no patches I have, except that r284222 + patch from
> r284226
> 
> > Can you go to the frame with the thread and dump it's content?
> 
> 
> if I understood correctly
> http://pastebin.com/wim7jM7i

Well this does not look like a valid thread and that's expected.

Apparently virtualbox is compiled with '-w', which disables warnings and
then they enable only a small subset. Information about pointer mismatch
is amongst suppressed warnings.

As noted earlier the issue can be trivially fixed:
--- ./src/VBox/Runtime/r0drv/freebsd/memobj-r0drv-freebsd.c.orig        2015-06-10 19:30:28.355276494 +0000
+++ ./src/VBox/Runtime/r0drv/freebsd/memobj-r0drv-freebsd.c     2015-06-10 19:30:41.280304985 +0000
@@ -747,7 +747,7 @@
     {
         /** @todo: is this needed?. */
         PROC_LOCK(pProc);
-        AddrR3 = round_page((vm_offset_t)pProc->p_vmspace->vm_daddr + lim_max(pProc, RLIMIT_DATA));
+        AddrR3 = round_page((vm_offset_t)pProc->p_vmspace->vm_daddr + lim_max_proc(pProc, RLIMIT_DATA));
         PROC_UNLOCK(pProc);
     }
     else

-- 
Mateusz Guzik <mjguzik gmail.com>



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