Re: Who wants to test cracklinux??

Jan Engelhardt
2006-03-29T12:02:29Z

>>
>> read/write on /dev/mem. chmod 666 /dev/mem if you want to allow normal
>> users to access physical memory (security hole, again).
>
>It's a security risk, but one that you might sometimes take to gain
>some performance on a non-critical machine. I've done this in the
>past to be able to play videos smoothly on a slow machine.
>
Actually, not only you. MPlayer's vesa output module (IIRC. if not,
then it was svga) pokes /dev/mem as well.
(Seeing vidix in your mail makes me assume you know the vesa/mem thing
already. ;-)

Jan Engelhardt
--
| Software Engineer and Linux/Unix Network Administrator
| Alphagate Systems, http://alphagate.hopto.org/
| jengelh's site, http://jengelh.hopto.org/