On 16/04/2015, Petter Adsen <pet...@synth.no> wrote: > On Thu, 16 Apr 2015 14:46:46 +0800 > Bret Busby <bret.bu...@gmail.com> wrote: > >> On 14/04/2015, Bret Busby <bret.bu...@gmail.com> wrote: >> >> >> <snip> >> >> > >> > In the Debian 7 installation on the Acer V3-772G, for >> > System -> Settings -> Details -> Overview, it has >> > >> > " >> > Processor: Intel Core i&-4702MQ CPU @ 2.20GHz x 8 >> > Graphics: Gallium 0.4 on llvmpipe (LLVM 0x209) >> > " >> > >> > and, for >> > >> > System -> Settings -> Details -> Graphics, it has >> > >> > " >> > Driver: Gallium 0.4 on llvmpipe (LLVM 0x209) >> > Experience: Fallback >> > " >> > >> >> I note that, having just installed (and presently updating) Ubuntu >> 14.04LTS, on the Acer E5-521-238Q, the same graphics drive shows as >> being used, as for Debian 7 on the Acer V3772G; >> >> from System Settings -> Hardware -> Overview, I have >> >> " >> Processor: AMD E2-6110 APU with AMD Radeon R2 Graphics x4 >> Graphics: Gallium 0.4 on llvmpipe (LLVM 3.4, 128 bits) >> " >> >> and the external monitor does not work with either Debian 7 or Ubuntu >> 14.04LTS. >> >> So, whilst the Ubuntu web site shows the CPU to be certified as >> compatible - at >> http://www.ubuntu.com/certification/catalog/component/dmi/4365/dmi%3AAMDE2-6110APUwithAMDRadeonR2Graphics/ >> >> it appears to me, that both Debian 7 and Ubuntu 14.04 LTS, do not >> really have an adequate driver for that CPU ("Processor: AMD E2-6110 >> APU with AMD Radeon R2 Graphics x4), as they both can not drive an >> external monitor through it. > > I *seriously* doubt that the CPU has anything to do with it. It will > either run x86 code (ie Debian/Ubuntu) or it won't. This is more likely > a problem with the GPU driver, or the way X is set up. > > What output do you get from "xrandr" when you have booted the machine > with the monitor connected? >
In Ubuntu 14.04 LTS; " bret@bret-Aspire-E5-521:~$ xrandr xrandr: Failed to get size of gamma for output default Screen 0: minimum 1366 x 768, current 1366 x 768, maximum 1366 x 768 default connected primary 1366x768+0+0 0mm x 0mm 1366x768 76.0* " In Debian 7; " bret@debian-Acer-E5-521:~$ xrandr xrandr: Failed to get size of gamma for output default Screen 0: minimum 1366 x 768, current 1368 x 768, maximum 1368 x 768 default connected 1368x768+0+0 0mm x 0mm 1366x768 0.0 1368x768 0.0* " -- Bret Busby Armadale West Australia .............. "So once you do know what the question actually is, you'll know what the answer means." - Deep Thought, Chapter 28 of Book 1 of "The Hitchhiker's Guide to the Galaxy: A Trilogy In Four Parts", written by Douglas Adams, published by Pan Books, 1992 .................................................... -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/cacx6j8p6ulmolkgbwbm8q7di7o2k6c0gqgl7mta_nrommkv...@mail.gmail.com
