linux-kernel - Re: [PATCH] ptrace GET/SET FPXREGS broken

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Message-ID: <20080630121823.GB25092@elte.hu>
Date:	Mon, 30 Jun 2008 14:18:23 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	TAKADA Yoshihito <takada@....nifty.com>
Cc:	linux-kernel@...r.kernel.org, Roland McGrath <roland@...hat.com>,
	the arch/x86 maintainers <x86@...nel.org>
Subject: Re: [PATCH] ptrace GET/SET FPXREGS broken


* TAKADA Yoshihito <takada@....nifty.com> wrote:

> Hi
> When I update kernel 2.6.25 from 2.6.24, gdb does not work.
> On 2.6.25, ptrace(PTRACE_GETFPXREGS, ...) returns ENODEV.
> But 2.6.24 kernel's ptrace() returns EIO.
> It is issue of compatibility.
> I attached test program as pt.c and patch for fix it.

this is a side-effect of the "x86: x86 i387 user_regset" commit, 
v2.6.24-4379-g4421011. Roland Cc:-ed.

	Ingo
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