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Re: Wheezy kernel does not boot on HP zx6000

On Fri, Aug 30, 2013 at 05:35:53PM +0200, Martin Lucina wrote:
> Hi,
> today I upgraded a HP zx6000 from squeeze to wheezy and ran into a major
> showstopper. The kernel installed by linux-image-mckinley
> (linux-image-3.2.0-4-mckinley 3.2.46-1+deb7u1) will not boot on my machine.
> The machine has two of the following CPUs in it:
> family     : 31
> model      : 1
> model name : Madison
> revision   : 5
> archrev    : 0
> features   : branchlong
> cpu number : 0
> cpu regs   : 4
> cpu MHz    : 1400.000
> itc MHz    : 1400.000000
> By "will not boot" I mean that:
> 1) immediately after ELILO loads the kernel and initrd I see no messages
> and the system appears to freeze.
> 2) after about 60 seconds the diagnostic LEDs on the front panel change to
> System - blinking, RED and LED 2 - on, RED and the system reboots.
> According to the manual this is a "System firmware hang or system fault".
> The system still boots up OK with the squeeze kernel (2.6.32-48squeeze3).
> Presumably I should report this as a serious / grave bug against the
> linux-image packages, but before I do that I'd like to get some advice on
> how I can try and diagnose this, if at all?
> Is there any way to bring up some kind of "early console" in the kernel to
> try and get a handle on what might be going wrong? Can this be done using a
> serial console?
> Thanks,
> Martin

Hi there,

I also run a zx6000, but with HP-UX. When booting wheezy in an Integrity
Virtual Machine on the zx6000, the VM crashes and dumps core - basically the VM
equivalent of the red diagnostic leds that you see. I am also able to boot the
squeeze kernel; it lacks storage drivers (those worked in 5.0.10, though...)
but apart from that it looks good enough.

On my VMs, I could not capture anything at all regarding what happens
- either nothing is being spewed out, or I haven't found out where to get it.
Serial at least doesn't show anything.

If you find out anything more, I'm most interested.



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