RE: Zero size /proc/vmcore on ia64

From: Zou, Nanhai <>
Date: 2007-02-09 10:45:18
> -----Original Message-----
> From: Horms []
> Sent: 200728 21:08
> To: Zou, Nanhai
> Cc:; fastboot; Linux-IA64; Luck, Tony
> Subject: Re: Zero size /proc/vmcore on ia64
> On Thu, Feb 08, 2007 at 03:52:15PM +0800, Zou, Nanhai wrote:
> >
> >   Those values are wrong,
> > Could you test we a 2.6.20 plus the patch?
> I tried 2.6.20 + your patch.
> I tried the same with the addition of Bob Picco's patch to stop
> the crash-kernel crashing.
> And I tried with Sparse and Discontig memory.
> And in all cases I get much the same result :(
> I'm wondering if perhaps its got something to do with kexec-tools,
> I'm using kexec-tools-testing from git. Is there any possibility
> you could send a static binary the version that you are using
> (if its from Eric's old tree cross compiling doesn't really work)?
> Or perhaps my kernel config is odd.
> > Also it will be helpful to print efi_memmap in purgatory code.
> Indeed. Do you have any way to dump purgatory's console across
> a serial port? The vga console and I are on opposite sides of town
> at the moent.
 I have not implement serial print in purgatory code yet, see comments in purgatory/arch/ia64/console-ia64.c
 However from your print, I can see last 2 entries of efi mem map are corrupt. 
So we need to find out if it purgatory code who corrupted them or something else overlapped with that 2 entries.

 Zou Nan hai
> --
> Horms
>   H:
>   W:
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Received on Fri Feb 09 11:09:43 2007

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