On Thu, Feb 6, 2014 at 7:59 PM, Juergen Lock <n...@jelal.kn-bremen.de> wrote:
> On Thu, Feb 06, 2014 at 05:16:15PM +0200, Shteryana Shopova wrote:
>> Hi all,
>>
>> Sorry for top posting but I'm new to the list and came across this
>> thread while playing with bhyve these days. To apply the patch -
>>
>> #cp patch-unit3minorfix /usr/ports/emulators/kqemu-kmod/files/
>>
>> compile and install the module.
>>
>> I've been running kqemu under current with the attached patch (plain
>> text below in case the attachment is removed) for a couple of months
>> now and the module is loaded successfully -
>>
>> root@demetra:/usr/ports/emulators/kqemu-kmod # dmesg | tail -n 10 | grep 
>> kqemu
>> kqemu version 0x00010300
>> kqemu: KQEMU installed, max_locked_mem=4120624kB.
>> root@demetra:/usr/ports/emulators/kqemu-kmod # uname -v
>> FreeBSD 11.0-CURRENT #6 r260863: Sun Jan 19 02:57:49 EET 2014
>>
>> The original commit that broke kqemu-kmod is from March 9th, 2013, so
>> the patch should be applicable to 10-STABLE too. Reports on
>> success/failures welcome.
>>
>> cheers,
>> Shteryana
>>
>> P.S. Example on getting a headless VM with vbox -
>>
>> #VBoxManage createvm --name MyServer --ostype Windows7 --register
>> #VBoxManage createhd --filename "MyServer.vdi" --size 200000
>> #VBoxManage storagectl MyServer --name "IDE Controller" --add ide
>> --controller PIIX3
>> #VBoxManage storageattach MyServer --storagectl "IDE Controller"
>> --port 0 --device 1 --type hdd --medium "MyServer.vdi"
>> #VBoxManage storageattach MyServer --storagectl "IDE Controller"
>> --port 1 --device 0 --type dvddrive --medium
>> /home/myserver/install.iso
>> #VBoxManage modifyvm MyServer --nic1 bridged --cableconnected1 on
>> --bridgeadapter1 em0 --nictype1 82540EM
>> #VBoxManage modifyvm MyServer --memory 1024 --acpi on --boot1 dvd
>> #VBoxHeadless -n -m 5901 -s "MyServer"
>>
>> The VM is then accessible via vncviewer to the IP of the original
>> machine port 5901
>>
>> --- kqemu-freebsd.c.orig    2014-02-06 16:03:15.881335406 +0200
>> +++ kqemu-freebsd.c    2014-02-06 16:04:25.951329106 +0200
>> @@ -109,7 +109,12 @@
>>      vm_offset_t va;
>>      vm_paddr_t pa;
>>
>> +#if __FreeBSD_version >= 1000030
>> +    va = kmem_malloc(kernel_map, PAGE_SIZE, M_WAITOK);
>> +#else
>>      va = kmem_alloc(kernel_map, PAGE_SIZE);
>> +#endif
>> +
>>      if (va == 0) {
>>      kqemu_log("kqemu_alloc_zeroed_page: NULL\n");
>>      return NULL;
>
> Oh well kqemu isn't even used by vbox, it's for emulaotors/qemu when

Well, the VirtualBox off topic was caused by someone saying in an earlier thread

"me and
Dee (personally and not as the petitecloud development team) would be
willing to give $50 to anyone who can get kqemu running on 10 and/or show
how to get vbox to work headless"


> built with the KQEMU knob and run with -enable-kqemu or -kernel-kqemu,
> and fixing _that_ needs most likely more changes than this. (I.e. I
> think I tried something similar and only got a panic.  And also qemu

Did you really try it? Can you explain then why it works for me with
both kqemu-kmod-devel and kqemu-kmod?
Can you please explain why this commit  -
http://svnweb.freebsd.org/base?view=revision&revision=248084 - is
(ir-)relevant to the patch proposed?

> uses kqemu-kmod-devel, kqemu-kmod is only left for people still using
> even older qemu forks.)
>
>  Sorry...
>         Juergen

cheers,
Shteryana Shopova
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