linux-kernel - Re: x86: kdump failure

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Message-ID: <20080118090205.GA24337@elte.hu>
Date:	Fri, 18 Jan 2008 10:02:05 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
Cc:	tglx@...utronix.de, hpa@...or.com, linux-kernel@...r.kernel.org,
	Roland McGrath <roland@...hat.com>
Subject: Re: x86: kdump failure


* Hiroshi Shimamoto <h-shimamoto@...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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