From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Fri, 26 Jul 2002 16:42:23 +0000 Subject: RE: [Linux-ia64] new problem with memcpy_mck routines Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Wed, 24 Jul 2002 16:59:37 -0700, "Chen, Kenneth W" said: Ken> It turns out that the screen corruption that Jesse and Alex saw Ken> was due to a bug in generic console vga code. The scrup() Ken> functions uses memcpy to copy overlapping memory area. By Ken> definition, memcpy() must not be used for overlapping memory Ken> areas. This patch changed that to memmove() which handles Ken> overlapping areas gracefully. This also fixes the same screen Ken> corruption when switching from X server to text mode. Ken> There is nothing wrong with new memcpy function. Ah, that's good! Thanks for confirming this. Ken> One other question, who is the maintainer for the console code? Ken> This should go into the base as it is not ia64 specific and Ken> could potentially trigger on other architectures. Have you tried Martin Mares? He is listed as SVGA maintainer and has at least on occasion hacked on that file. In any case, I'd definitely cc lkml so that others can see this report, too. --david