Re: Debian rescue CD oddities

2015-11-20 Thread Chris Edwards
On 21/11/15 08:18, Ross Boylan wrote: After booting the Debian 8.2 netinst iso I noticed a couple of oddities. First, I selected advanced and rescue, but this seemed to end up walking me through the installer. I was expecting to be dropped into a shell. At the screen that asked for system name

Re: An UML editor for Linux

2015-11-09 Thread Chris Edwards
On 09/11/15 09:23, Piyavkin wrote: — could you please recommend me some decent UML editor for Linux? I have a colleague who swears by PlantUML, which uses textual markup and GraphViz for generating diagrams. http://www.plantuml.com/ -- Chris

Re: [Partially SOLVED] Re: Slow Xorg performance on dual Opteron + Radeon, Jessie 64-bit

2015-08-08 Thread Chris Edwards
On 08/08/15 22:53, Jörg-Volker Peetz wrote: Maybe you could also play with Option "AccelMethod" in /etc/X11/xorg.conf, with can either be "EXA" or "glamor" (default for R300, see man radeon(4)). Compare these benchmarks: http://www.phoronix.com/vr.php?view=MTYzMDM Interesting - and very

[Partially SOLVED] Re: Slow Xorg performance on dual Opteron + Radeon, Jessie 64-bit

2015-08-08 Thread Chris Edwards
Long story short: Disable ColorTiling in xorg.conf when using bitmap fonts on a Radeon. While searching for clues on this problem, I found this: http://unix.stackexchange.com/questions/111454/what-are-the-purposes-of-the-different-types-of-xwindows-fonts in which Gilles explains a bit of the h

Re: Slow Xorg performance on dual Opteron + Radeon, Jessie 64-bit

2015-08-05 Thread Chris Edwards
On 06/08/15 01:21, Chris Edwards wrote: So Jessie's standard libc-2.19 is about half as fast as 2.17 on the same hardware and otherwise same OS. I don't know if this accounts entirely for the poor performance I'm seeing, but it probably doesn't help. Might this be worth ta

Re: Slow Xorg performance on dual Opteron + Radeon, Jessie 64-bit

2015-08-05 Thread Chris Edwards
Thanks for the ongoing suggestions. Some more testing and results: `grep render /var/log/Xorg.0.log`: [ 8898.907] (II) RADEON(0): Direct rendering enabled `glxinfo | grep render` gives: direct rendering: Yes OpenGL renderer string: Gallium 0.4 on ATI R420 I've tested with an xorg.conf and wit

Re: Slow Xorg performance on dual Opteron + Radeon, Jessie 64-bit

2015-08-04 Thread Chris Edwards
Thanks all for your help and suggestions. I'll summarise what further testing I've done: I believe 3D acceleration is working. `glxgears` runs and seems to achieve a smooth 60 Hz. The __memcpy_sse2_unaligned load doesn't seem to increase due to running glxgears. glxgears -info reports: GL

Re: Slow Xorg performance on dual Opteron + Radeon, Jessie 64-bit

2015-08-04 Thread Chris Edwards
Thanks all for your help and suggestions. I'll summarise what further testing I've done: I believe 3D acceleration is working. `glxgears` runs and seems to achieve a smooth 60 Hz. The __memcpy_sse2_unaligned load doesn't seem to increase due to running glxgears. glxgears -info reports: GL

Re: Slow Xorg performance on dual Opteron + Radeon, Jessie 64-bit

2015-08-02 Thread Chris Edwards
Hi Chris (ha, maybe I should have posted directly to the DunLUG list!)... On 02/08/15 18:39, Chris Bannister wrote: On Sun, Aug 02, 2015 at 05:55:11PM +1200, Chris Edwards wrote: I've recently installed Debian Jessie 64-bit on my (admittedly rather old) dual Opteron workstation, an

Slow Xorg performance on dual Opteron + Radeon, Jessie 64-bit

2015-08-01 Thread Chris Edwards
Hi all, I've recently installed Debian Jessie 64-bit on my (admittedly rather old) dual Opteron workstation, and I'm experiencing pretty bad performance in X11. Certain redrawing operations are extremely slow, with delays of half a second or more, and Xorg consumes a lot of CPU time. I've won

how to fix this broken system?

2000-10-27 Thread chris edwards
Greetings, I can't remember the exact error, but something involving gmc caused my system to become unusable. When i boot linux up now, i get this error message: init: unable to load shared library: /usr/lib/libc6.so:, undefined symbol GLIBC_2.0 i've tried using the debian rescue but that hasn't