Re: Kernel panic with ipset 6.11

[Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>]

On Mon, 23 Apr 2012, Seblu wrote:

> On Thu, Apr 19, 2012 at 9:10 AM, Jozsef Kadlecsik
> <kadlec@xxxxxxxxxxxxxxxxx> wrote:
> > No, definitely not. Did you use exactly the same kernel in both cases and
> > only the ipset binary was different?
> Same except architecture. Panic on i686 and error on x86_64.
> 
> You can find config file of i686 here:
> https://projects.archlinux.org/svntogit/packages.git/tree/trunk/config?h=packages/linux&id=316a5f1f9ae26763aa1b4d4ef694c938ec974345
> You can find config file of x86_64:
> https://projects.archlinux.org/svntogit/packages.git/tree/trunk/config.x86_64?h=packages/linux&id=316a5f1f9ae26763aa1b4d4ef694c938ec974345
> 
> >
> > If ipset.conf.0 is the file you attached, then that's absolutely strange,
> > because the set was to be created as
> Yes, config file is from example in man pages.
> 
> I tested in a vm and physical host and in both case panic on i686.
> 
> I tested again with a kernel 3.3.3
> # uname -a
> Linux archibal 3.3.3-1-ARCH #1 SMP PREEMPT Mon Apr 23 09:33:32 UTC
> 2012 i686 Intel(R) Core(TM) i7 CPU M 620 @ 2.67GHz GenuineIntel
> GNU/Linux
> # ipset restore < ipset/ipset.conf.0
> Connection to archibal closed.
> 
> Same issue (hash is full) with x86_64.
> 
> # ipset restore < /root/ipset/ipset.conf.0
> ipset v6.11: Error in line 1: Cannot open session to kernel.
> 
> I recompiled ipset 6.11 with gcc 4.6 and kernel doesn't panic anymore
> and works on x86_64.
> It's maybe not so simple, but kernel panic with ipset builded with gcc
> 4.7 and works correctly with gcc 4.6.
> 
> Previous kernel panic traceback don't help you? Do you need more information?

Could you recompile your kernel and ipset with gcc 4.7 and 
CFLAGS=-fno-optimize-strlen and re-run the test? Does it help?

Best regards,
Jozsef
-
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