[BlueOnyx:11641] Re: Serious issues with Kernel 2.6.32-279.11.1.el6

Jason Ozin bluequartz at ozin.com
Sun Oct 28 08:45:58 EDT 2012

Following my request below. Can anyone point me in the right direction to
help me debug this?

I'm concerned that once the kernel upgrade bug is fixed I will be forced
onto the new kernel and have two broken servers.



-----Original Message-----

Sent: 21 October 2012 15:58
To: blueonyx at mail.blueonyx.it
Subject: [BlueOnyx:11567] Serious issues with Kernel 2.6.32-279.11.1.el6

Serious issues with Kernel 2.6.32-279.11.1.el6 on two different servers

If anyone can help I would be most appreciative.

Currently running:
Kernel Version: 2.6.32-279.9.1.el6.i686 (SMP) i686 As a Hyper-V virtual
guest with MS Hyper-V components installed (Linux Integration Services
Version 3.4 for Hyper-V)

At the moment 5107R still has the kernel upgrade bug where a kernel upgrade
does not take effect unless you manually change /boot/grub/grub.conf

So I noticed that Kernel 2.6.32-279.11.1.el6 had been installed and thus I
edited /boot/grub/grub.conf  in 3 places to use this new Kernel.

Booting into the Kernel works and the server becomes responsive on the
network for a few seconds then something major crashes and takes the server

The console shows all sorts of strange output but the last two lines are:

[<c052e0a1>] ? sys_read+0x41/0x70
[<c0409a9f>] ? sysenter_do_call+0x12/0x28

A screenshot of the console output is here:

I can't see anything particular in dmesg but if you want to take a look it
is here:

Editing /boot/grub/grub.conf to use 2.6.32-279.9.1.el6.i686 (SMP) i686 fixes
the issue so it seems to be something about this new Kernel.

Any ideas where I should start looking?

Thanks in advance


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