Date: Fri, 18 Jan 2008 10:02:05 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: tglx@linutronix.de, hpa@zytor.com, linux-kernel@vger.kernel.org,
       Roland McGrath <roland@redhat.com>
Subject: Re: x86: kdump failure
Message-ID: <20080118090205.GA24337@elte.hu>
References: <478BB226.6090105@ct.jp.nec.com> <20080114190904.GA2288@elte.hu> <4790145C.9060102@ct.jp.nec.com>
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* Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> wrote:

> kdump needs ELF_CORE_COPY_REGS in crash_save_cpu(). This lack of the 
> macro causes the following BUG.
> 
> SysRq : Trigger a crashdump
> ------------[ cut here ]------------
> kernel BUG at include/linux/elfcore.h:105!
> invalid opcode: 0000 [1] PREEMPT SMP

thanks, applied.

> +/*
> + * regs is struct pt_regs, pr_reg is elf_gregset_t (which is
> + * now struct_user_regs, they are different)
> + */
> +
> +#define ELF_CORE_COPY_REGS(pr_reg, regs) do {		\

this macro got removed by the regset patches. Roland, any ideas?

	Ingo
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