Re: 2.6.9-rc2-mm2: devmem_is_allowed

From: Arjan van de Ven
Date: Fri Sep 24 2004 - 01:58:54 EST


On Fri, 2004-09-24 at 00:37, Martin Diehl wrote:
> Hi,
>
> after switching from working 2.6.9-rc2 to -mm2, X refused to start on my
> testbox. It turned out this was because it failed (EPERM) reading from
> /dev/mem beyond the 1MB limit.

can you get me a strace of the failing X server?
The code as is is as designed; X has no business messing with kernel ram
over 1Mb, there is nothing there for it to (ab)use.
(There is PCI memory much higher up but that is allowed again)

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