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Old 02-09-2011, 12:47 PM
Stanislav Klinkov
 
Default 2.6.32-5-openvz: Broken CIFS

Hello, Debian Kernel Team.

I have found a minor inconsistency in the package
"linux-image-2.6.32-5-openvz-amd64", "Squeeze" repository.
The module "cifs.ko" included in mentioned kernel is incompatible with
the "mount.cifs" tool (cifs-utils).

So, if I take packages "cifs-utils", "samba", "samba-common", "smbfs"
from the "lenny-backports" distributive, then everything works OK with
the 2.6.32-5-openvz-amd64 kernel. If I take everything from stable
("Squeeze") distributive, then "mount.cifs" command always fails with
the same kernel. If I take a kernel without OpenVZ support, everything
is allright.

The next issue is the bug, being present in 2.6.32.5-openvz kernel:
http://bugzilla.openvz.org/show_bug.cgi?id=1626
It was fixed only in "042test006.1" build. It will be very nice to have
a revised kernel version in the distributive.

And another wish. The 2.6.32.5-openvz is not stable enough yet. May be,
does it make sense to include 2.6.26-openvz kernel into "Squeeze" as an
option?

Thank you for your job.

With best regards,
Stanislav Klinkov.


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Old 02-09-2011, 02:04 PM
maximilian attems
 
Default 2.6.32-5-openvz: Broken CIFS

On Wed, Feb 09, 2011 at 04:47:18PM +0300, Stanislav Klinkov wrote:
> Hello, Debian Kernel Team.
>
> I have found a minor inconsistency in the package
> "linux-image-2.6.32-5-openvz-amd64", "Squeeze" repository.
> The module "cifs.ko" included in mentioned kernel is incompatible with
> the "mount.cifs" tool (cifs-utils).
>
> So, if I take packages "cifs-utils", "samba", "samba-common", "smbfs"
> from the "lenny-backports" distributive, then everything works OK with
> the 2.6.32-5-openvz-amd64 kernel. If I take everything from stable
> ("Squeeze") distributive, then "mount.cifs" command always fails with
> the same kernel. If I take a kernel without OpenVZ support, everything
> is allright.
>
> The next issue is the bug, being present in 2.6.32.5-openvz kernel:
> http://bugzilla.openvz.org/show_bug.cgi?id=1626
> It was fixed only in "042test006.1" build. It will be very nice to have
> a revised kernel version in the distributive.

Please test latest images of the openvz patch:
http://charm.itp.tuwien.ac.at/~mattems/linux-image-2.6.32-5-openvz-amd64_2.6.32-31_amd64.deb
signature
http://charm.itp.tuwien.ac.at/~mattems/linux-image-2.6.32-5-openvz-amd64_2.6.32-31_amd64.deb.sha512sum.asc
They should have the fix.

> And another wish. The 2.6.32.5-openvz is not stable enough yet. May be,
> does it make sense to include 2.6.26-openvz kernel into "Squeeze" as an
> option?

No we do not shipp muliple linux-2.6 version in a release, this would
be a securty nightmare.

> Thank you for your job.
>

Aboves image will land soon in the next update, it missed squeeze shortly
as openvz hadn't synced their git tree with upstream stable releases.
Anyway next release will focus on in tree linux containers.

kind regards

--
maks


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Old 02-10-2011, 06:13 AM
Stanislav Klinkov
 
Default 2.6.32-5-openvz: Broken CIFS

09.02.2011 18:04, maximilian attems wrote:
> Please test latest images of the openvz patch:
> http://charm.itp.tuwien.ac.at/~mattems/linux-image-2.6.32-5-openvz-amd64_2.6.32-31_amd64.deb
>
> They should have the fix.
OK, Maximilian. I have tested the image you offered. CIFS is still
broken, bug #1626 is still present. Furthemore, this pre-release
contains extremely buggy NFS support (that bugs are already fixed in
"042test006.1" too). I see no reason to put this package in new minor
squeeze release, because the new one is worse than the present one.

Respectful,
Stanislav Klinkov.


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Old 02-10-2011, 12:41 PM
maximilian attems
 
Default 2.6.32-5-openvz: Broken CIFS

On Thu, Feb 10, 2011 at 10:13:09AM +0300, Stanislav Klinkov wrote:
> 09.02.2011 18:04, maximilian attems wrote:
> > Please test latest images of the openvz patch:
> > http://charm.itp.tuwien.ac.at/~mattems/linux-image-2.6.32-5-openvz-amd64_2.6.32-31_amd64.deb
> >
> > They should have the fix.
> OK, Maximilian. I have tested the image you offered. CIFS is still
> broken, bug #1626 is still present. Furthemore, this pre-release
> contains extremely buggy NFS support (that bugs are already fixed in
> "042test006.1" too). I see no reason to put this package in new minor
> squeeze release, because the new one is worse than the present one.

hmm, other testers do not agree with your assessement, see d-kernel
mailinglist.

Aboves is the build of latest openvz git [1], not sure what you are talking
about bugs that should be fixed since then?
what is "042test006.1"??


thanks for the feedback.

--
maks

[1] http://git.openvz.org/?p=linux-2.6.32-openvz;a=summary


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Old 02-10-2011, 12:55 PM
Stanislav Klinkov
 
Default 2.6.32-5-openvz: Broken CIFS

10.02.2011 16:41, maximilian attems wrote:
> hmm, other testers do not agree with your assessement, see d-kernel
> mailinglist.
>
My assessment concerns only some of kernel features (specifically NFS
implementation in VEs), not the whole kernel itself. But these features
are very important, and discussed bugs are critical.
> Aboves is the build of latest openvz git [1], not sure what you are talking
Their git is something fairytale and it has nothing in common with
reality. I tried to use it and failed.
> what is "042test006.1"??
http://wiki.openvz.org/Download/kernel/rhel6/042test006.1#Kernel_patch

In the build above theese bugs are fixed. I have tested it personally.


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Old 02-10-2011, 02:20 PM
maximilian attems
 
Default 2.6.32-5-openvz: Broken CIFS

On Thu, Feb 10, 2011 at 04:55:53PM +0300, Stanislav Klinkov wrote:
> 10.02.2011 16:41, maximilian attems wrote:
> My assessment concerns only some of kernel features (specifically NFS
> implementation in VEs), not the whole kernel itself. But these features
> are very important, and discussed bugs are critical.

have you tested vanilla 2.6.32 from debian, does that work for you?

> > Aboves is the build of latest openvz git [1], not sure what you are talking
> Their git is something fairytale and it has nothing in common with
> reality. I tried to use it and failed.
> > what is "042test006.1"??
> http://wiki.openvz.org/Download/kernel/rhel6/042test006.1#Kernel_patch
>
> In the build above theese bugs are fixed. I have tested it personally.

forwarded to openvz devs for comment, thanks.


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