When I moved my home machine to i7-2600K I realized out that Scythe Mugen 2 cpu cooler which I was using lacks elements to mount it on socket 1555 motherboard.
I looked at shops and found out that I need SCCSMG2-1156 (Scythe Mugen 2 mounting kit for Socket 1156/1155) as I have quite old version of cooler (then there was Rev. B released with support for all socket types). But then problem started — no one in Poland had them…
So I contacted Scythe directly and later after spending 10€ I got mounting kit delivered at Xmas Eve. Took me some days to find time to mount it.
First attempt ended with lot of curses, angry email to Scythe and stock cooler mounted again.
But I decided to not give up. Did some extra research and found this YouTube video where I saw that I mounted bolt screws wrong…
So I did another try. This time it fitted perfectly and I can enjoy silence.
Next step: replace new case fans with more quiet ones.
In March I wrote where I will travel. Decided to write such memo at start of year so it will be more visible what my plans are for 2012.
In February I will miss FOSDEM because Linaro Connect Q1.12 will start right after it. So at 4th I will fly to San Francisco for a week. But this time instead of flying back home I decided to spend weekend in New York City where I hope to meet some people from Bug Labs company. You know: we worked with each other for 1.5 year and I met only Peter Semmelhack and Ken Gilmer. Also I plan some sightseeing.
Then a bit of quiet until next Linaro Connect will happen. Probably May but it was not yet decided where and when. As many people I also hope for Asia (never was in this part of world).
Same month there will be Ubuntu Developer Summit somewhere at west coast of USA. Who knows — maybe it will end in trip around the world in May? Sounds interesting but I think that only sounds as it can be hard to survive due to jet lag.
Then July/August another Linaro Connect. No idea where, but hope for Europe. In meantime I may or may not attend Ubuntu Rally (Canonical internal event) which will be somewhere in US (as it follows UDS place).
And end of year will bring yet another Linaro Connect and Ubuntu Developer Summit. Second one in Europe.
What else? Probably LinuxTag if company events will not be at same time, maybe something local (there are few conferences planned in Szczecin).
Overall it looks that there will be some travelling — but this year I plan to make more use of free time to see something else than conference centers.
Switched from Nokia N900 (Maemo 5) to Samsung Nexus S (Android 2.3). One of best moves in 2011.
February
FOSDEM as usual. This time I went there with my wife. She saw more of Brussels in one day then I manage during few visits. But she had ‘spouse tours’ in Saturday and Sunday ;)
Started using Cyanogenmod on my phone instead of stock Android. Nice improvements and always fresh system.
March
Decided to drop KDE and switched to XFCE on desktop and laptop. Main reason was KMail which started to be too hard to rely on. Moved to Evolution and few months later to Thunderbird.
April
Linaro porting jam weekly event started. It got quiet last months but we will resurrect it!
May
Visited Budapest, Hungary for Linaro Connect Q2.12 and Ubuntu Developers Summit. Compared to earlier events this time I even found time for some sightseeing — hope that it is not last time. Also met many old friends during event.
started to make new arrangement of my work desk. Lot of cables went into storage boxes, some devices also. Today I have it far from order but it is better than it was.
June
Moved hosting to own VPS. Took me a bit to get it working like I wanted but now it just works. Powered by Ubuntu as I was lazy to learn other system and due to my work it is easier to catch some developers in case of failures.
Another Ubuntu platform sprint — this time in Dublin, Ireland. Met some old friends which moved there from Poland. Also spent awesome weekend with my wife and local part of our family.
Took 2 weeks of vacations. We went nearly in the middle of nowhere ;)
Switched phone operator again. This time it is Orange, PL and I am on prepaid. Number stayed the same of course.
Started using Google+.
August
We had first official Linaro Connect in Cambourne, UK. It was kind of conference with lot of hacking time. During it I played with all developer boards which we support and wrote what do I think about them. This post gave me unofficial title of ‘Linaro’s main complainer’ and as a result we can expect some hardware guys presence during next Linaro Connect events.
Released some generic Linux cross toolchain for tests which got some use. Toolchain working group has now people working on it.
Bought Hannspree Hannspad tablet running Android 2.2 by default. Played with Cyanogenmod7 and Honeycomb on it. Finally got rid of it month later as I got one with shitty screen.
Modded ATX Power supply which provided 5/12V for my developer boards got fried. Replaced it with industrial +5V/20A one — no boards running at 12V at desk.
VPS upgrade from Ubuntu 10.04 ‘lucid’ to 11.04 ‘natty’ ended with not bootable system. All I got was “Error: Boot loader didn’t return any data!” message from Xen. Solved problem, described for users.
October
Bought a bike for me and another for wife. We also got extra seat for our daughter and did some trips in forests surrounding Szczecin. Then it became too cold for family trips.
Visited Prague, Czech Republic again. This time for Embedded Linux Conference. Nice time, met friends. There was also general assembly of OpenEmbedded e.V. organization.
Linaro Connect Q4.11 took place at same time as Ubuntu Developer Summit. Another visit in Orlando, Florida, USA. This time we got room as usual — at the end of corridor ;) Bought myself Amazon Kindle e-reader which I am now using to read some old Science Fiction books.
Lot of time passed since last time I upgraded my home computer. Yesterday I moved from P35 based mainboard and Core2Quad cpu to P67 and i7-2600K processor. And 16GB of memory.
Main reason for change was memory. Building packages on SSD is nice and fast but I hate how system slows down when 3-4GB of data needs to be removed from drive. With 8GB of memory it was hard to fit pbuilder’s instance and all running applications. And P35 based mainboards do not support more than 8GB ;( Why I did not buy P45 based mainboard… They supported 4x4GB setup…
So I checked what is on a market. Then I waited months for AMD to release Bulldozer processors. Finally they did just to show that it was waste of time.
Current PC market sucks. Shops do not know what they sell, you need to go to vendors websites for every information. Intel Sandy Bridge platform has very limited amount of PCI Express lines which means that you can not have more than one x16 slot. But shops look at board and write “two/three/../seven x16 PCIe slots” — never mind that it is one of:
x16 + x8
x16 + x4
x16 + x8 + x4
x16 + x4 + x4
And in most configurations x16 degrades to x8 when second slot in use as you need PCI Express switch like NVidia NF200 to “provide” more lanes to get two x16 slots.
And fun goes even more when you look at those ‘three x16 slots’ mobos:
The PCIEX4 slot shares bandwidth with the PCIEX1_1 and PCIEX1_2 slots. When the PCIEX1_1 slot or the PCIEX1_2 slot is populated with an expansion card, the PCIEX4 slot will operate at up to x1 mode.
I remember board where using such x4 slot killed Serial ATA controller…
So, after long reading of all those specifications, reviews, I selected Gigabyte P67X-UD3-B3 mainboard. P67 chipset is not newest one but I do not plan to use on board graphics. I have x16 + x8 PCI Express slots (working as x8+x8 when both in use), USB 3.0 ports, firewire (which I never used), 8 Serial ATA ports (4x 6Gbps and 4x 3Gbps ones) and possibility to have 32GB of DDR3RAM (but this has to wait for cheap 8GB sticks).
I did one speed test today: tmpfs based build of my cross toolchain packages for Ubuntu. Took one hour for armel and armhf ones. Very nice :)
Some of my readers may react like “WTF? Unity again? After writing ‘no thanks’ post?” But yeah — I spent over month using it. And yes — this is going to be past tense during this week.
In March I got tired of KDE4 and switched to XFCE which served me quite well during Ubuntu 11.04 ‘natty’ cycle. But then I had a feeling that it becomes more and more second citizen in Ubuntu world. All those transitions from GTK+2 to GTK+3 which made some applications look ugly etc.
Then there was this discussion on Canonical internal mailing list where I wrote what do I think about Unity. It was not polite and I am sorry for that. So I decided to give Unity/2D and 3D a longer try.
Unity 2D was interesting environment. Some things were not configurable or hard to find without using gconf-editor and had some issues. I reported few bugs and could not reproduce some of them even:
Also I had one issue with Unity/2D and Psi+ running at same time — was looking like Psi+ opened window, Unity composited desktop but did not noticed that window disappeared in meantime:
Unity/2D fun
But as I have graphics card which knows what OpenGL is I decided to make use of it and switched to Unity/3D. This was real change. More configuration options but you have to remember that you should not touch ccsm (Compiz configuration settings manager) which is the only way to configure it.
Why ‘do not touch ccsm’ mantra? Because it is easy to break whole Unity setup with it. But as there is no other way… For example I do not like 2x2 desktop setup which was default but prefer 6x1 one. Or when user wants to change keyboard shortcuts or several other things.
Some other things went into #ayatana and #ubuntu-desktop channels on irc where I had several discussions with developers. Some suggested that I must have strange configuration that I have some of my problems. There was even suggestion that I should move to QA team but I hope that no one will take it serious ;D
After that month I can admit that Unity may be usable for many users but I am not one of them. Idea of switching applications not desktops (via Start+[1-0] keys) is nice but I was not able to fully adapt to it. Mostly because I tend to have several windows of same application (terminal, gvim, web browser) and in such case I had more switching as Unity Alt-Tab switcher makes it even worse (you need to use cursor keys in it).
Application menus in top panel was one of first things which I removed. When few windows were present on screen I had several focus changes before I went from right side of screen to menu in panel. Why several? Because I am too used to ‘focus under mouse’ way of selecting windows which is not default Unity way. And even with this enabled I did not find out how to disable ‘bring focused window to front’.
Other thing was side panel (launcher one). There is a way to disable devices icons but no way to disable trashcan or workspaces buttons (which I do not use). Good that other things are configurable — so I set it to 32px width and auto hide if any window wants to take space.
Application runner is hard to use. Press “Start+A”, type “xkill” and tell me what you see? Probably nothing. So run “Alt+F2” and again type “xkill” — this will work. As interface is same in both situations it may confuse users.
To add application into launcher panel you have to start it first, then find it on panel, get to context menu (usually right mouse button) and select ‘keep in launcher’ option. Different then in other systems but can get used to it.
Systray implementation is weird but it will not be changed as there is a pressure to write indicators instead (if you do not know what it is think “panel applets”). In result some of the applications which I used for years became harder to use (Last.fm official client or Psi+ Jabber client). Some of them could get replaced by other ones or dropped.
What else? Unlocking screen can sometimes take ages^Wminutes. With KDE4 or XFCE I was able to turn on monitor, type password and begin hacking, with Unity desktop I had to remind myself what patience is because often I had to wait 1-2 minutes before ‘enter password to unlock screen’ dialog appeared. Sometimes I even got preview of desktop in meantime (which is privacy unfriendly).
Next week I will check how KDE4 looks like and will have to decide which environment to choose. Maybe will try GNOME 3 next year? Who knows…
Some time ago I got yet another developer board from Linaro — this time it was i.mx53 Quickstart also known as mx53 LOCO. At that time I only found time to power it on and check does it work at all.
Yesterday I booted it with Ubuntu desktop image from Linaro but without connecting to display (I have HDMI addon so can use VGA and HDMI outputs). Lot of lights (voltage controls mostly) appeared on board — funny thing is that to power some of them all you need is VGA or HDMI cable connected.
Today I went shopping… Board comes with power supply (did not used), USB cable and 8GB microSD card. Last item is important as mx53loco boots from it by default — I do not know does it checks SD card too. What I lacked was Serial ATA -> E-SATA cable for my external hard drive. Yes… SATA->ESATA as board has standard connector for connecting drives directly but as it lacks SATA power connector (about which I wrote already) I had to use external case. Good thing is that local electronics shop had those cables available. Disk speed is quite nice:
Same disk on USB:
Compare it with SD card:
Which interface you prefer for storage? :) I hope that new Efika MX53 from Genesi will have some good Serial ATA storage inside.
But then I got hit by other issue… Mounting of board started to be a problem. I hope that next version of board will be bigger. This one is too packed — and HDMI addon makes it even worse at it adds 5th edge to square board. In past I wrote a post about perfect developer board and some points apply here. What I do not like:
too small amount of space around mounting holes — hard to reach with 5mm key
VGA and RS232 connectors forced me to use very tiny screws to be able to mount board to my board plate
Power button is hidden behind screw and hard to reach
HDMI addon makes use of Reset and Power buttons very hard — have to use pen or stylus instead of finger when cable is connected
leds are too bright — will have to put some duct tape on them
Is there something I like? Of course — I do not want to only complain ;) This is the only cheap developer board from Linaro supported ones with native Serial ATA interface (iirc Samsung cpu could have it but Origenboard does not have connector). Two SD interfaces allow to prototype devices which require extra expansions in case of Beagleboard or Pandaboard. And this is smallest devboard I ever used (cause I never played with Gumstix — but even they usually run in some carrier boards). And compare to Texas Instruments boards it comes with cables and power supply. I plan to make small distcc/icecream farm from my ARM boards and this one will be for use one of nodes.
Half year ago at UDS-O in Budapest Michael Opdenacker interviewed some people from Linaro. I remember that at the end of event Kiko asked him did he talked with me cause he thought that it could be interesting for someone.
Then we had another Linaro Connect (in Cambourne) and nothing happened. But in previous week I got an email that there will be interview with me in Orlando and that I should choose time slot for it. So I did and here is the result:
What we were talking about? Check it yourself. And please comment did you enjoyed.
It is not often when I am writing about just announced things but today Calxeda company has announced their EnergyCore cpu modules.
Imagine processor which takes 5W energy, has 4 ARM cores, 4MB of L2 cache, 4 Serial-ATA connectors (lot of 4s ;D) and 5 10Gb links for connecting with other cpus. Then put four (again :) such chips on card. Then take 4U rack case and put 4 trays of cpu modules (72 cpus) and you have insane amount of nodes in small space. And all of that will take really small amount of power (5W per cpu, no network switches, no cables).
HP Redstone server
In HP announcement they wrote that first servers will be available in 1H of 2012 — no pricing anyway. Presentation shown that half of rack of HP Redstone servers will take 9.1kW of energy and can replace 10 racks of x86 machines (eating 91kW). Of course that’s for situations when there is no need for more then 4GB of ram per node (which is limit of ARM cores used by Calxeda).
I wonder when one of such beasts will land in Canonical build farm. It would make Ubuntu port of ARM flying when it comes to building software.
