Hey Neel,
I compiled 11-CURRENT and it works now I can kldload vmm with no problems.  
Thanks.

Joe Maloney

On Jan 21, 2014, at 9:01 PM, Neel Natu <neeln...@gmail.com> wrote:

> Hi Joe,
> 
> On Tue, Jan 21, 2014 at 6:53 PM, Joe Maloney <jpm...@gmail.com> wrote:
>> Neel,
>> sorry it took me a day or two to get to test this.  The patch compiles
>> cleanly however it fails now trying to build the vmm module.
>> 
> 
> No worries.
> 
> I committed the patch as r260972:
> http://svnweb.freebsd.org/base?view=revision&revision=260972
> 
> Could you get the latest HEAD and see how it works for you?
> 
> best
> Neel
> 
> p.s. not sure why the patch is not compiling - perhaps ppt.h did not
> get patched properly?
> 
>> Joe Maloney
>> 
>> /usr/src/sys/modules/vmm/../../amd64/vmm/vmm.c:232:7: error: implicit
>> declaration of function 'ppt_avail_devices' is invalid in C99
>>      [-Werror,-Wimplicit-function-declaration]
>>                if (ppt_avail_devices() > 0)
>>                    ^
>> /usr/src/sys/modules/vmm/../../amd64/vmm/vmm.c:565:6: error: implicit
>> declaration of function 'ppt_assigned_devices' is invalid in C99
>>      [-Werror,-Wimplicit-function-declaration]
>>        if (ppt_assigned_devices(vm) == 0) {
>>            ^
>> /usr/src/sys/modules/vmm/../../amd64/vmm/vmm.c:565:6: note: did you mean
>> 'ppt_assign_device'?
>>        if (ppt_assigned_devices(vm) == 0) {
>>            ^~~~~~~~~~~~~~~~~~~~
>>            ppt_assign_device
>> /usr/src/sys/modules/vmm/../../amd64/vmm/io/ppt.h:46:5: note:
>> 'ppt_assign_device' declared here
>> int     ppt_assign_device(struct vm *vm, int bus, int slot, int func);
>>        ^
>> 2 errors generated.
>> *** Error code 1
>> 
>> Stop.
>> make[4]: stopped in /usr/src/sys/modules/vmm
>> *** Error code 1
>> 
>> Stop.
>> make[3]: stopped in /usr/src/sys/modules
>> *** Error code 1
>> 
>> Stop.
>> make[2]: stopped in /usr/obj/usr/src/sys/GENERIC
>> *** Error code 1
>> 
>> Stop.
>> make[1]: stopped in /usr/src
>> *** Error code 1
>> 
>> Stop.
>> make: stopped in /usr/src
>> root@jmhome-pc:/usr/src #
>> 
>> On Jan 19, 2014, at 8:43 PM, Neel Natu <neeln...@gmail.com> wrote:
>> 
>> Hi Joe,
>> 
>> On Sun, Jan 19, 2014 at 2:21 PM, Joe Maloney <jpm...@gmail.com> wrote:
>> 
>> I’ve been trying to get bhyve to work on a system with the following specs:
>> 
>> FreeBSD 10.0 64 bit
>> ASUS P6T Deluxe
>> Intel i7 920
>> 
>> According to what I’ve researched my cpu should have the VT-D extensions.
>> However many users of this motherboard have complained about ASUS not
>> properly supporting VT-D with Xen and something about a problem with tables
>> getting corrupt due to a problem with the bios.  On the third link below
>> which is the Xen wiki it even states that this motherboard needs a bios
>> update which is not available to the public.
>> 
>> https://communities.intel.com/thread/28389
>> 
>> http://vip.asus.com/forum/view.aspx?id=20090402224408018&SLanguage=en-us&board_id=1
>> 
>> http://wiki.xen.org/wiki/VTd_HowTo
>> 
>> I am curious though if this would be what would be causing my problem with
>> bhyve?  I suppose I am willing to just by a new motherboard if so.
>> 
>> I can run kldload vmm and I see a bunch of text fly by and then something
>> about uhci interrupt problem.  As soon as that happens the messages repeats
>> my network drops and no keyboard input.  However the message repeats and it
>> doesn’t appear that the system has fully locked up otherwise.  However on
>> another system that works I notice that kldload VMM does not show this
>> information it just loads the module.
>> 
>> Is there a way I can gather more logs somehow so that I can determine what
>> text is appearing before the uhci errors?  Perhaps some kind of dump
>> procedure?  Or is there a way I can confirm that freebsd can properly see
>> and utilize the VT-D extensions.  VirtualBox runs fine with the VT
>> extensions enabled.  I also made sure VirtualBox wasn’t installed or loaded
>> before I tried bhyve.  I’ve tried to research for a week or two before
>> posting here.
>> 
>> 
>> I have a patch to not initialize the iommu unless there are passthru
>> devices explicitly configured for bhyve to use.
>> 
>> It is available here:
>> http://people.freebsd.org/~neel/patches/bhyve_iommu_init.patch
>> 
>> Could you give it a spin and see if it helps with the ASUS system?
>> 
>> best
>> Neel
>> 
>> Joe Maloney
>> 
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>> 

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