[Samba] Win7 clients problem after upgrading samba file server to 4.12 on Arch
Andrew Bartlett
abartlet at samba.org
Mon May 4 21:25:27 UTC 2020
On Mon, 2020-05-04 at 23:18 +0200, pavlos wrote:
> @Andrew,
>
> Samba master - what do you mean? A clean compile and install from
> genuine samba.org sources? As a matter of fact, I was thinking about
> it....
Yes.
> Let me do the tests now, with tcpdump. Will send some logs
> and outputs later on.
>
> You've asked previously - this is the smbstatus, already on the
> latest kernel/samba versions.
> The problem is persistent, no wonder...
I'm not an expert on SMB share modes (I mostly do strange AD DC stuff),
but a DENY_ALL over the root of the share might be problematic. I
normally thought deny modes were for files, not folders...
> > [root at arch1 /]# LC_ALL=C smbstatus
> >
> > Locked files:
> > Pid User(ID) DenyMode Access R/W Oplock
> > SharePath Name Time
> > -----------------------------------------------------------------
> > ---------------------------------
> > 386 65534 DENY_ALL 0x100080 RDONLY NONE
> > /nas . Mon May 4 23:05:16 2020
> > 369 1000 DENY_NONE 0x100081 RDONLY NONE
> > /nas . Mon May 4 23:04:49 2020
Hopefully someone with more FS expertise can help clarify on this one
way or another. Is it any different on a 'good' version?
Andrew Bartlett
> Pawel.
>
> pon., 4 maj 2020 o 23:03 Andrew Bartlett <abartlet at samba.org>
> napisał(a):
> > Thanks for getting back to us,
> >
> > On Mon, 2020-05-04 at 22:57 +0200, pavlos via samba wrote:
> > > @Rowland,
> > > Installing and changing to LTS kernel 5.4.38-1-lts doesn't help.
> > > Downgrading samba and smbclient to 4.11.3 DOES help.
> > >
> > > @Andrew, let me first clean up with kernel/samba versions, set
> > log
> > > level to
> > > 10 and log limit to 0, delete all logs and repeat the whole
> > exercise.
> > > Please advice how to get a network capture, I am not that
> > expert...
> >
> > Our standard advise on network packet capture is here:
> >
> > https://wiki.samba.org/index.php/Capture_Packets
> >
> > Finally, as you are on a rolling distro, can you try Samba master,
> > if
> > only for giggles?
> >
> > Andrew Bartlett
> >
> > > Regards, Pawel.
> > >
> > > pon., 4 maj 2020 o 22:50 Andrew Bartlett <abartlet at samba.org>
> > > napisał(a):
> > >
> > > > Can you get a network capture, and also ensure the logs have
> > the
> > > > exact
> > > > time you see the failure in it (and tell us that time, to the
> > > > highest
> > > > resolution you can)? I can't see anything suspicious, but at
> > log
> > > > level
> > > > 10 the 'log limit = 50' will cut in very fast, so it might have
> > > > been
> > > > lost. Set that to 0.
> > > >
> > > > Andrew Bartlett
> > > >
> > > > On Mon, 2020-05-04 at 22:28 +0200, pavlos via samba wrote:
> > > > > Logs are here:
> > > > >
> > http://www.mediafire.com/file/qqwfkf3rsuv081k/logs.tar.gz/file
> > > > >
> > > > > 1. I have stopped smb and nmb services,
> > > > > 2. deleted all samba logs,
> > > > > 3. addied 'log level - 10' to smb.conf,
> > > > > 4. started services,
> > > > > 5. performed few tests until some problems appeared,
> > > > > 6. stopped smb and nmb services
> > > > > 7. and grabbed all logs.
> > > > > As this is test environment - nothing to sanitize. All logs
> > > > > unchanged.
> > > > > For better understanding:
> > > > >
> > > > > - 192.168.1.103, netbios name 'saloon' - Win7x32 client
> > > > > - 192.168.1.108, netbios name 'attic' - win7x32 client
> > > > > - 192.168.1.115, hostname 'arch1' - the test Samba server,
> > > > > Arch
> > > > > Linux
> > > > > 5.6.10-arch1-1
> > > > >
> > > > > Regards, Pawel.
> > > > >
> > > > > pon., 4 maj 2020 o 21:45 Rowland penny via samba <
> > > > > samba at lists.samba.org>
> > > > > napisał(a):
> > > > >
> > > > > > On 04/05/2020 20:21, pavlos wrote:
> > > > > > >
> > > > > > > All clients are connecting either anonymously read-only
> > which
> > > > > > > leverages the 'nobody' samba user, or using 'ala'
> > user/pwd.
> > > > > > > Both
> > > > > > > have
> > > > > > > same problems.
> > > > > > >
> > > > > > > No local 'ala' users on any client machine. In Windows
> > login
> > > > > > > dialog I
> > > > > > > am supplying username as '192.168.1.115\ala' and the
> > defined
> > > > > > > password
> > > > > > > (....115 is the IP address of the test samba server).
> > > > > >
> > > > > > Try it without the the IP i.e. just 'ala'
> > > > > > >
> > > > > > > I have also put 'log level = 10' to your smb.conf, but
> > the
> > > > > > > hiccup
> > > > > > > on
> > > > > > > Win7 remains. As I said - the stupid message box in
> > Windows
> > > > > > > pops
> > > > > > > up
> > > > > > > randomly.
> > > > > >
> > > > > > This could be a Windows error, but something might have
> > changed
> > > > > > in
> > > > > > Samba
> > > > > > that is now causing it.
> > > > > > > This short exercise has produced about 100 KB of
> > compressed
> > > > > > > logs.
> > > > > > > How
> > > > > > > might I share them with you and all in the mailing list?
> > > > > >
> > > > > > Post them somewhere (after sanitising them) and then
> > provide a
> > > > > > link
> > > > > > to it.
> > > > > >
> > > > > > Rowland
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > --
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> > read
> > > > > > the
> > > > > > instructions:
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> > > > > >
> > > >
> > > > --
> > > > Andrew Bartlett
> > https://samba.org/~abartlet/
> > > > Authentication Developer, Samba Team https://samba.org
> > > > Samba Developer, Catalyst IT
> > > > https://catalyst.net.nz/services/samba
> > > >
> > > >
> > > >
> > > >
--
Andrew Bartlett https://samba.org/~abartlet/
Authentication Developer, Samba Team https://samba.org
Samba Developer, Catalyst IT
https://catalyst.net.nz/services/samba
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