Re: [GSoc] interested in VirtualBox shared folder support for FreeBSD guests

2014-03-14 Thread Li-Wen Hsu
On Mon, Mar 10, 2014 at 19:47:53 +0200, waleed ziad wrote:
 Thanks a lot Mr.Bernhard Fröhlich for your care and reply i contacted him .
 
 On Mon, Mar 10, 2014 at 2:44 PM, Bernhard Fröhlich de...@freebsd.org wrote:
  On Mon, Mar 10, 2014 at 4:31 AM, waleed ziad wela64wal...@gmail.com wrote:
  Hello all, i am a student from Cairo , Egypt and i was hoping to
  participate at Google summer of code this year in FreeBSD organization
  i am interested in  VirtualBox shared folder support for FreeBSD
  guests and i was hoping someone Could someone suggest the first steps
  I should take to understand the project better or any issues(or bugs)
  that I can look into ? and any skills i should acquire ? , thank all
  in advance .
 
  Thanks for your interest! The project was part of GSoC last year already and
  Oleksandr did make good progress with it but hasn't got it fully
  working. Li-Wen Hsu
  took over his work and fixed a few things and also put it on github:
 
  https://github.com/lwhsu/freebsd-vboxfs
 
  So right now the best technical contact is Li-Wen Hsu and I guess he
  can also tell
  you what is blocking progress right now and if it's still a viable GSoC 
  project.

Sorry for the late reply, as Bernhard said, the current status is blocked
because it seems that I need to get familiar with our virtual memory
subsystem and how it interacts with VirtualBox's HGCM to make progress.
I'm trying to squeeze more time on this.

The README on https://github.com/lwhsu/freebsd-vboxfs is still valid for 4.3.8,
you can follow the instruction to setup the environment, kldload
vboxguest.ko and vboxvfs.ko .  However, mount_vboxfs still cannot work
because vboxCallMapFolder() returns error.

If digging this deeper, we can find that the call ends up in

rtR0MemObjNativeLockInMap()
(in VirtualBox-4.3.8/src/VBox/Runtime/r0drv/freebsd/memobj-r0drv-freebsd.c)

while doing:

rc = vm_map_wire(pVmMap,  /* the map */
 AddrStart,   /* start */
 AddrStart + cb,  /* end */
 fFlags); /* flags */

the vm_map_wire(9) (in /sys/vm/vm_map.c) always returns KERN_INVALID_ADDRESS
when getting false with vm_map_lookup_entry(9) at the beginning.

That's my current status.  Any help on this is welcomed.

Add Daniel Lorch into CC list since he's also working on this.

Li-Wen

-- 
Li-Wen Hsu lw...@freebsd.org
http://lwhsu.org
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Re: [GSoc] interested in VirtualBox shared folder support for FreeBSD guests

2014-03-10 Thread Bernhard Fröhlich
On Mon, Mar 10, 2014 at 4:31 AM, waleed ziad wela64wal...@gmail.com wrote:
 Hello all, i am a student from Cairo , Egypt and i was hoping to
 participate at Google summer of code this year in FreeBSD organization
 i am interested in  VirtualBox shared folder support for FreeBSD
 guests and i was hoping someone Could someone suggest the first steps
 I should take to understand the project better or any issues(or bugs)
 that I can look into ? and any skills i should acquire ? , thank all
 in advance .

Thanks for your interest! The project was part of GSoC last year already and
Oleksandr did make good progress with it but hasn't got it fully
working. Li-Wen Hsu
took over his work and fixed a few things and also put it on github:

https://github.com/lwhsu/freebsd-vboxfs

So right now the best technical contact is Li-Wen Hsu and I guess he
can also tell
you what is blocking progress right now and if it's still a viable GSoC project.

-- 
Bernhard Froehlich
http://www.bluelife.at/
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Re: [GSoc] interested in VirtualBox shared folder support for FreeBSD guests

2014-03-10 Thread waleed ziad
Thanks a lot Mr.Bernhard Fröhlich for your care and reply i contacted him .

On Mon, Mar 10, 2014 at 2:44 PM, Bernhard Fröhlich de...@freebsd.org wrote:
 On Mon, Mar 10, 2014 at 4:31 AM, waleed ziad wela64wal...@gmail.com wrote:
 Hello all, i am a student from Cairo , Egypt and i was hoping to
 participate at Google summer of code this year in FreeBSD organization
 i am interested in  VirtualBox shared folder support for FreeBSD
 guests and i was hoping someone Could someone suggest the first steps
 I should take to understand the project better or any issues(or bugs)
 that I can look into ? and any skills i should acquire ? , thank all
 in advance .

 Thanks for your interest! The project was part of GSoC last year already and
 Oleksandr did make good progress with it but hasn't got it fully
 working. Li-Wen Hsu
 took over his work and fixed a few things and also put it on github:

 https://github.com/lwhsu/freebsd-vboxfs

 So right now the best technical contact is Li-Wen Hsu and I guess he
 can also tell
 you what is blocking progress right now and if it's still a viable GSoC 
 project.

 --
 Bernhard Froehlich
 http://www.bluelife.at/



-- 
Waleed Ziad
Faculty of computers  information
Cairo university
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[GSoc] interested in VirtualBox shared folder support for FreeBSD guests

2014-03-09 Thread waleed ziad
Hello all, i am a student from Cairo , Egypt and i was hoping to
participate at Google summer of code this year in FreeBSD organization
i am interested in  VirtualBox shared folder support for FreeBSD
guests and i was hoping someone Could someone suggest the first steps
I should take to understand the project better or any issues(or bugs)
that I can look into ? and any skills i should acquire ? , thank all
in advance .

Regards ,
-- 
Waleed Ziad
Faculty of computers  information
Cairo university
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