Re: Kernel panic CURRENT r248596 at virtualbox-ose-kmod module load

В Mon, 25 Mar 2013 09:04:40 +0100
Bernhard Fröhlich <decke_at_FreeBSD.org> пишет:

> On Mon, Mar 25, 2013 at 1:03 AM, Ivan Klymenko <fidaj_at_ukr.net> wrote:
> > В Sun, 24 Mar 2013 14:05:07 +0200
> > Konstantin Belousov <kostikbel_at_gmail.com> пишет:
> >
> >> On Sat, Mar 23, 2013 at 01:26:27PM +0200, Ivan Klymenko wrote:
> >> > I have
> >> > uname -a
> >> > FreeBSD nonamehost 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r248596:
> >> > Fri Mar 22 01:17:08 EET 2013
> >> > ivan_at_nonamehost:/usr/obj/usr/src/sys/GENERIC  amd64
> >> >
> >> > I updated the ports tree to r314921 and recompiled
> >> > virtualbox-ose-kmod
> >> >
> >> > After load the module a have kernel panic.
> >> >
> >> > Panic  String:  Lock  vm  object  not  exclusively   locked   _at_
> >> > /usr/src/sys/vm/vm_page.c:1396
> >> >
> >> > http://pkgupdate.nevosoft.ru/backtrace.txt
> >>
> >> This looks like a vbox issue, the driver did not properly locked
> >> the object passed to the vm_page_alloc_contig().
> >>
> >> If you want this fixed, you probably need to look up the code
> >> yourself, compiling the vbox kld with debugging, finding the
> >> offending call to vm_page_alloc_contig() and looking around it to
> >> see which object is passed and why it is not locked.
> >
> > The problem is that port commiter did not listen your advice:
> > http://docs.freebsd.org/cgi/mid.cgi?20130312151751.GJ3794
> >
> > and used in the patch is not the functions that need
> > http://svnweb.freebsd.org/ports/head/emulators/virtualbox-ose-kmod/files/patch-src-VBox-Runtime-r0drv-freebsd-memobj-r0drv-freebsd_VM_OBJECT_RENAME.c?r1=314794&r2=314796
> >
> > I replaced the all function "VM_OBJECT_RLOCK" on "VM_OBJECT_WLOCK"
> > and
> > "VM_OBJECT_RUNLOCK" on "VM_OBJECT_WUNLOCK"
> >
> > and the kernel panic ceased.
> >
> > Thanks. This problem is solved.
> 
> Thanks a lot! I've fixed it in the port now. Would be great if you
> could verify that it's correct now.
> 

Yes - it is correctly
http://svnweb.freebsd.org/ports/head/emulators/virtualbox-ose-kmod/files/patch-src-VBox-Runtime-r0drv-freebsd-memobj-r0drv-freebsd_VM_OBJECT_RENAME.c?r1=314797&r2=315200