Date: Thu, 6 Feb 2014 17:16:15 +0200 From: Shteryana Shopova <syrinx@FreeBSD.org> To: freebsd-virtualization@freebsd.org Cc: nox@FreeBSD.org Subject: kqemu patch for CURRENT/10-STABLE (was Re: Linux on BHyVe in 10.0-RELEASE ) Message-ID: <CAExw994ngYbqgzqxWfBraE8Fnm8Zw-qb2FqRhEpD-ENtLxvkfQ@mail.gmail.com>
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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;
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