1366x768 is a 11/12" resolution used by many netbooks.
Anyhow, from your Xorg.0.log:
Quote:
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(--) PCI:*(0:0:2:0) 8086:0046:1025:0364 Intel Corporation Core Processor Integrated Graphics Controller rev 24
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And:
Quote:
(II) Loading /usr/local/lib/xorg/modules/drivers/vesa_drv.so
(II) Module vesa: vendor="X.Org Foundation"
compiled for 1.7.7, module version = 2.3.0
Module class: X.Org Video Driver
ABI class: X.Org Video Driver, version 6.0
(II) VESA: driver for VESA chipsets: vesa
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So, you're using the standard vesa graphics driver. Try using the Intel graphics driver.
You will also want to remove the
Modeline setting in your Monitor conf, and
Mode setting in your Screen. You almost never need to specify these with modern screens (== Pretty much everything from the last decade).