Try chip SiS 671 onboard in Ubuntu 16.04

[Fabio]

**01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS] 771/671 PCIE VGA
Display Adapter (rev 10)**
Trying to use resolutions greater than 680x420 on 17-inch monitors, preferably at 1440x900 resolution, or 1080dpi

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: gitlab 8.5.8+dfsg-5 [modified: var/lib/gitlab/gitlab-debian.conf]
ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11
Uname: Linux 4.8.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Thu Mar 30 09:31:57 2017
ErrorMessage: sub-processo script post-installation instalado retornou estado de saída de erro 1
InstallationDate: Installed on 2017-03-30 (0 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: gitlab
Title: package gitlab 8.5.8+dfsg-5 [modified: var/lib/gitlab/gitlab-debian.conf] failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1
UpgradeStatus: No upgrade log present (probably fresh install)