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Re: Linux 4.4-rc1

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  Re: Linux 4.4-rc1 Shuah Khan <shuahkhan@gmail.com> - 2015-11-18 15:50 +0100
    Re: Linux 4.4-rc1 Linus Torvalds <torvalds@linux-foundation.org> - 2015-11-18 17:20 +0100
      Re: Linux 4.4-rc1 David Miller <davem@davemloft.net> - 2015-11-18 18:20 +0100
      Re: Linux 4.4-rc1 Shuah Khan <shuahkhan@gmail.com> - 2015-11-19 15:20 +0100
        Re: Linux 4.4-rc1 Linus Torvalds <torvalds@linux-foundation.org> - 2015-11-19 20:30 +0100
          Re: Linux 4.4-rc1 Shuah Khan <shuahkhan@gmail.com> - 2015-11-20 02:40 +0100

#1272249 — Re: Linux 4.4-rc1

On Sun, Nov 15, 2015 at 6:24 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> So it's Sunday, two weeks has passed, and so 4.4-rc1 is out there and
> the merge window is closed.
>
> As usual, the full shortlog is much too big to post, so appended is
> the usual shortlog of just my merges, which just shows who I did pulls
> from, with a very short comment on each merge.
>
> Just looking at the patch itself, things look fairly normal at a high
> level, possibly a bit more driver-heavy than usual with about 75% of
> the patch being drivers, and 10% being architecture updates. The
> remaining 15% is documentation, filesystem, core networking (as
> opposed to network drivers), tooling and some core infrastructure.
>
> The driver changes are all over, although staging, networking and GPU
> drivers stand out (and those three areas account for over half of the
> driver changes - roughly 40% of the whole patch).
>
> On the architecture side, ARM (when counting both 32-bit and 64-bit)
> accounts for about half the changes, with x86, powerpc, mips, chris
> and s390 accounting for the other half.
>
> Go out and test.
>

I ran into the same VPN bug that was reported in 4.3. This bug is very pesky.
VPN connection works just fine and subsequent web access fails. It took me
a couple of hours to trace it back to the kernel, after investigating
the obvious
suspects (routers, network connections etc.)

I am hoping the fix gets into 4.4-rc2 as well as 4.3.1

http://patchwork.ozlabs.org/patch/544307/

I tested the fix on 4.3 and 4.4-rc1 on my VPN setup

thanks,
-- Shuah
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#1272337

On Wed, Nov 18, 2015 at 6:46 AM, Shuah Khan <shuahkhan@gmail.com> wrote:
>
> I am hoping the fix gets into 4.4-rc2 as well as 4.3.1
>
> http://patchwork.ozlabs.org/patch/544307/
>
> I tested the fix on 4.3 and 4.4-rc1 on my VPN setup

That should be commit 5f8dc33e8ee7 ("net: fix feature changes on
devices without ndo_set_features") and it got merged through the
networking tree yesterday.

Of course, it's always a good idea to double-check, so go out and test
that the current -git tree works for you..

Thanks,
            Linus
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#1272397

From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 18 Nov 2015 08:17:17 -0800

> On Wed, Nov 18, 2015 at 6:46 AM, Shuah Khan <shuahkhan@gmail.com> wrote:
>>
>> I am hoping the fix gets into 4.4-rc2 as well as 4.3.1
>>
>> http://patchwork.ozlabs.org/patch/544307/
>>
>> I tested the fix on 4.3 and 4.4-rc1 on my VPN setup
> 
> That should be commit 5f8dc33e8ee7 ("net: fix feature changes on
> devices without ndo_set_features") and it got merged through the
> networking tree yesterday.
> 
> Of course, it's always a good idea to double-check, so go out and test
> that the current -git tree works for you..

Also, all of the commits in question up the chain of "Fixes: " tags
only apply to 4.4-rc1, so 4.3 should not need the fix.
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#1273162

On Wed, Nov 18, 2015 at 9:17 AM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> On Wed, Nov 18, 2015 at 6:46 AM, Shuah Khan <shuahkhan@gmail.com> wrote:
>>
>> I am hoping the fix gets into 4.4-rc2 as well as 4.3.1
>>
>> http://patchwork.ozlabs.org/patch/544307/
>>
>> I tested the fix on 4.3 and 4.4-rc1 on my VPN setup
>
> That should be commit 5f8dc33e8ee7 ("net: fix feature changes on
> devices without ndo_set_features") and it got merged through the
> networking tree yesterday.
>
> Of course, it's always a good idea to double-check, so go out and test
> that the current -git tree works for you..
>

I am running into the following depmod error:

depmod: ERROR: Found 2 modules in dependency cycles!
depmod: ERROR: Cycle detected: lnet -> libcfs -> lnet
Makefile:1139: recipe for target '_modinst_post' failed
make: *** [_modinst_post] Error 1

I am testing on your tree - the top commit is:

commit 34258a32d9a9fc9e38fb549efe1692301cc31f85
Merge: 0d77a12 f52c74f
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed Nov 18 08:59:29 2015 -0800

    Merge branch 'for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

thanks,
-- Shuah
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#1273430

On Thu, Nov 19, 2015 at 6:10 AM, Shuah Khan <shuahkhan@gmail.com> wrote:
>
> I am running into the following depmod error:
>
> depmod: ERROR: Found 2 modules in dependency cycles!
> depmod: ERROR: Cycle detected: lnet -> libcfs -> lnet

There should be a patch for this in the staging tree, but Greg hasn't
sent the pull request yet.

In the meantime, do you actually _use_ lustre? Because if not, you can
just compile it out for now.

                      Linus
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#1273660

On Thu, Nov 19, 2015 at 12:25 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> On Thu, Nov 19, 2015 at 6:10 AM, Shuah Khan <shuahkhan@gmail.com> wrote:
>>
>> I am running into the following depmod error:
>>
>> depmod: ERROR: Found 2 modules in dependency cycles!
>> depmod: ERROR: Cycle detected: lnet -> libcfs -> lnet
>
> There should be a patch for this in the staging tree, but Greg hasn't
> sent the pull request yet.
>
> In the meantime, do you actually _use_ lustre? Because if not, you can
> just compile it out for now.
>

I must have enabled a while back to experiment and forgot all about it.
Disabled Lustre. Verified VPN and everything looks good.

-- Shuah
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