Re: current+bhyve+windows7 problem

2016-09-16 Thread Boris Samorodov 
15.09.2016 02:36, Peter Grehan пишет:
> Hi Boris,
> 
>> I use the following command to install Windows 7:
>> ---
>> sudo bhyve -c 1 -m 2G -Hwl \
>>   bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd \
>>   -s 0,hostbridge \
>>   -s 31,lpc \
>>   -s 3:0,ahci-cd,/vm/.iso/win.iso \
>>   -s 4:0,ahci-hd,/dev/zvol/book/vm/win/disk0.img \
>>   -s 5:0,virtio-net,tap2,mac=58:9c:fc:05:ff:ae \
>>   -s 6:0,fbuf,tcp=0.0.0.0:5900,w=640,h=480 \
>>   win
> 
>  For Windows 7, you have to force the sector size to be 512 bytes i.e.
> 
>   -s 4:0,ahci-hd,sectorsize=512,/dev/zvol/book/vm/win/disk0.img \

Peter, great, thank you! That was it.

A note, sectorsize parameter should be written at the end of that line
(error otherwise):
-s 4:0,ahci-hd,/dev/zvol/book/vm/win/disk0.img,sectorsize=512 \

>  (You may have to delete/recrease the image file and re-install to get
> it to pick up the new sectorsize)
> 
> later,
> 
> Peter.
> 

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High vCPU Counts in bhyve

2016-09-16 Thread Trent Thompson 
Good day to all!

I was recently given the hint that I could edit vmm.h to allow for more
than 16 vCPUs in bhyve, so I did just that to see what would happen. I
understand it's not supported, just wanted to try it out. When trying to
boot FreeBSD 12-CURRENT with anything up to 25 vCPUs the guest will boot
and run just fine. At 26+ vCPUs the guest OS will panic at boot time.

I have posted all of these outputs and more to GitHub [1].

I started by installing FreeBSD with 16 vCPUs and then incrementing until
it wouldn't go any further. You can find the dmesg.boot output of the guest
at 16 vCPUs on GitHub [2].

Here is the relevant line in /usr/src/sys/amd64/include/vmm.h:

#define VM_MAXCPU32/* maximum virtual cpus */

Here is what appears in the serial console when attempting to boot with 26
vCPUs (The full output can also be found on GitHub [3]):

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x60
fault code  = supervisor write data, page not present
instruction pointer = 0x20:0x80ff3859
stack pointer   = 0x28:0x821c19d0
frame pointer   = 0x28:0x821c1a50
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 0 (swapper)
[ thread pid 0 tid 10 ]
Stopped at  acpi_install_wakeup_handler+0x1d9:  movq%rdi,0x60(%r14)
db>


If anyone has any hints on how to get more information from this or ideas
on the apparent APIC error would be greatly appreciated.

Thanks and happy hacking!

-Trent
@pr1ntf

[1] https://gist.github.com/pr1ntf/270efd6ec3fe376e68d1f9dad2deef31

[2]
https://gist.githubusercontent.com/pr1ntf/270efd6ec3fe376e68d1f9dad2deef31/raw/09dde8362a5e488794e6d7c8b70bb0368b964b49/3-guest-dmesg.boot.txt

[3]
https://gist.githubusercontent.com/pr1ntf/270efd6ec3fe376e68d1f9dad2deef31/raw/09dde8362a5e488794e6d7c8b70bb0368b964b49/4-guest-26vcpucrash.txt
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[Bug 212721] FreeBSD 11.0-RC3 fails on Hyper-V 2012r2

2016-09-16 Thread bugzilla-noreply 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212721

Mark Linimon  changed:

   What|Removed |Added

   Assignee|freebsd-b...@freebsd.org|freebsd-virtualization@Free
   ||BSD.org
 CC|freebsd-am...@freebsd.org   |

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