Re: [Qemu-devel] Fail to share Samba directory with guest

[Jan Kiszka]

Jun Koi <address@hidden> schrieb:

>On Thu, Mar 1, 2012 at 5:59 PM, Jan Kiszka <address@hidden> wrote:
>> On 2012-03-01 05:21, Jun Koi wrote:
>>> On Tue, Feb 28, 2012 at 9:43 AM, Jun Koi <address@hidden>
>wrote:
>>>> On Tue, Feb 28, 2012 at 12:08 AM, Shu Ming
><address@hidden> wrote:
>>>>> On 2012-2-27 17:21, Jun Koi wrote:
>>>>>>
>>>>>> hi,
>>>>>>
>>>>>> on qemu 1.0.1, i am trying to share a host directory with the
>Windows
>>>>>> guest like below:
>>>>>>
>>>>>> qemu-system-i386 -enable-kvm -m 1000 -net nic,model=rtl8139 -net
>>>>>> user,smb=/tmp img.winxp
>>>>>>
>>>>>> but in the guest, \\10.0.2.4 doesnt show me any shared directory.
>>>>>>
>>>>>> i already run Samba on the host (default configuration).
>>>>>>
>>>>>> did i miss something, or is it a bug??
>>>>>
>>>>>
>>>>> So 10.0.2.4 is your host IP with samba server?   And what's the
>network the
>>>>> guest belongs to?
>>>>>
>>>>
>>>> according to some network schemes used by Qemu, 10.0.2.4 is the IP
>of
>>>> the Samba server (DHCP: 10.0.2.2, DNS: 10.0.2.3, Samba: 10.0.2.4)
>>>>
>>>> http://en.wikibooks.org/wiki/QEMU/Networking
>>>>
>>>> i tried \\10.0.2.2, but dont see any share folder, either.
>>>
>>> i tested again, and again, but Samba sharing folder never work for
>me.
>>> meanwhile, my guest can see the folder shared configured in
>/etc/samba/smb.conf
>>>
>>> so this is definitely a bug. perhaps the Samba setting in
>net/slirp.c is wrong?
>>> the current configuration is like below. i am not experienced with
>>> Samba, so cannot figure out what is wrong.
>>>
>>> btw, it seems the Qemu unittest ignore this sharing folder testing?
>>>
>>> thanks,
>>> Ju
>>>
>>>
>>> // from net/slirp.c, function slirp_smb()
>>>        fprintf(f,
>>>             "[global]\n"
>>>             "private dir=%s\n"
>>>             "smb ports=0\n"
>>>             "socket address=127.0.0.1\n"
>>>             "pid directory=%s\n"
>>>             "lock directory=%s\n"
>>>             "log file=%s/log.smbd\n"
>>>             "smb passwd file=%s/smbpasswd\n"
>>>             "security = share\n"
>>>             "[qemu]\n"
>>>             "path=%s\n"
>>>             "read only=no\n"
>>>             "guest ok=yes\n",
>>>             s->smb_dir,
>>>             s->smb_dir,
>>>             s->smb_dir,
>>>             s->smb_dir,
>>>             s->smb_dir,
>>>             exported_dir
>>>             );
>>>
>>>
>>
>> Works fine here with samba 3.5.7 (from OpenSuse 11.4) and a Linux
>guest.
>> What's your samba version? What's your guest?
>
>this is samba 3.4.7, on Ubuntu 10.4. and the guest is Windows XP,
>latest update.
>
>>
>> Also, you said you are running another samba on the host. What
>changes
>> if you stop it temporally?
>
>another samba? i dont understand. i mean i am running smbd on the
>host, and that is the only samba i run.
>if i stop that, how can the guest still see the samba folder?
>
>or do you mean that there is internal samba built-in inside Qemu, and
>Samba on the host must be off?
>that doesnt seem so, because ./configure always looks for the smbd at
>compilation process.

Qemu forks off a dedicated smbd, you don't need to worry about it. In theory, 
there should be no conflict with a smbd run "normally" on the host as well, I 
just like to exclude this possibility.

Jan


--
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