PLD Linux Distribution

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====== KernelDesktop ======


===== kernel-desktop specifications =====


==== Main goals: ====

  * create kernel for desktop computers, oriented to architectures used as desktops: ppc, x86, amd64 (there is no ia64 support) 
  * not so loaded as main PLD kernel, no full grsec, no vserver 
  * add patches improving latency and other tasks useful on desktops 


==== Conditional Builds: ====

  * preemptrt (**RT**):  
    * [[http://people.redhat.com/~mingo/realtime-preempt/|realtime-preempt]] patch by Ingo Molar\\ this patch contains many changes from [[http://kernel.org/patchtypes/mm.html|-mm]] tree thus kernel using it may be very unstable or unusable  

    ck (**CK**): 
    * Con Kolivas [[http://members.optusnet.com.au/ckolivas/kernel/|desktop patches]]\\ those patches are obsolete in current kernel versions. 

    grsec_minimal (**GR**): 
    * grsecurity for ''/proc'': in PLD noone can live without grsecured ''/proc'', even on desktops ;-) 

    laptop (**LAP**): 
    * simply changes HZ from default 1000 to 100, this should improve on-batery time, but decreases corectness of some programs using timer a lot (even 'time' in shells is not very reliable)\\ example: played some music with mplayer, time: <file>HZ=100:
real 32m24.907s  user  0m4.420s  sys 0m0.780s
HZ=1000:
real 32m25.936s  user 0m22.736s  sys 0m7.582s</file>


More patches: 


  * [[http://www.suspend2.net/|suspend2]] 
  * [[http://dev.gentoo.org/~spock/projects/vesafb-tng/|vesa-tng]] 
  * [[http://dev.gentoo.org/~spock/projects/gensplash/|fbsplash]] or [[http://www.bootsplash.org/|bootsplash]] 
  * [[http://www.namesys.com/v4/v4.html|reiser4]] and [[http://squashfs.sourceforge.net/|squashfs]] 


----
 



===== Series 2.6.17 =====
now on branch LINUX_2_6_17 

<strong class="highlight"><html></html></strong>
|<strong class="highlight"><html></html></strong>  Arch|Version|SMP|RT |CK |GR |LAP|BUILDS|TESTED|
|     |         |   |   |   |   |   |   | |
|ppc  |2.6.17.11| - | - | + | + | + |yes|<strong class="highlight"><html></html></strong>ok, but (1)|
|ppc  |2.6.17.11|-/+| + | + | + |-/+|yes|<strong class="highlight"><html></html></strong>does not work (2)|
|ppc  |2.6.17.14| - | - | + | + | + |yes|<strong class="highlight"><html></html></strong>ok, but (1) |
|ppc  |2.6.17.14| + | - | + | + | + |yes|<strong class="highlight"><html></html></strong>no |
|ppc  |2.6.17.14|-/+| + | + | + | - |yes|<strong class="highlight"><html></html></strong>does not work (2)|
|     |         |   |   |   |   |   |   | |
|x86  |2.6.17.14|-/+| - | + | + |-/+|yes|<strong class="highlight"><html></html></strong>no |
|x86  |2.6.17.14|-/+| + | + | + |-/+|yes|<strong class="highlight"><html></html></strong>no, but don't use|
|     |         |   |   |   |   |   |   | |
|amd64|2.6.17.11| - | - | + | + | - |yes|<strong class="highlight"><html></html></strong>ok (3) |
|amd64|2.6.17.11| - | + | + | + | - |yes|<strong class="highlight"><html></html></strong>ok, but (4) |
|amd64|2.6.17.14|-/+| - | + | + | - |yes|<strong class="highlight"><html></html></strong>no |
|amd64|2.6.17.14|-/+| + | + | + | - |yes|<strong class="highlight"><html></html></strong>no |Exact description: 


  - iBook G4: 1.3GHz, 768MB RAM, Radeon Mobility 9200 
    * - suspend2 (suspend to disk) does not work 
    * - fails to detect lpj/bogomips correctly, adding lpj=3333333 helps 
    * + no problems with suspend to ram 
    * + Air''''Port II works well (bcm43xx) 
    * + fbsplash works 
    * + swap prefetch (CK-patch part) works 

    iBook G4: 1.3GHz, 768MB RAM, Radeon Mobility 9200 
    * - FATAL: no hardware is working because of problems with genirq 

    Athlon64 2GHz, 1GB RAM, some NVidia board, NVidia Ge''''Force 2 MX 200 
    * * suspend2 works, but there are issues with clock after resuming 
    * + ext3 cache works fine 

    Athlon64 2GHz, 1GB RAM, some NVidia board, NVidia Ge''''Force 2 MX 200 
    * + did not have problems with genirq, unlike on other archs/computers 
    * - sometimes is was locking in kernel-mode for a long time (5 seconds) 



----
 



===== Series 2.6.18 =====
<strong class="highlight"><html></html></strong>
|<strong class="highlight"><html></html></strong> Arch|Version|SMP|RT|CK|GR|LAP|BUILDS|TESTED|
|     |         |   |   |   |   |   |   | |
|*    |2.6.18.2 | * | + | + | * | * |**there is no ck-patch for rt**|
|     |         |   |   |   |   |   |   | |
|ppc  |2.6.18.2 |-/+| - | + | - |-/+|yes|<strong class="highlight"><html></html></strong>no |
|ppc  |2.6.18.2 | - | - | + | + | + |yes|<strong class="highlight"><html></html></strong>no |
|ppc  |2.6.18.3 | - | - | + | + | - |yes|<strong class="highlight"><html></html></strong>works (2) |
|ppc  |2.6.18.2 | + | - | + | + | - |yes|<strong class="highlight"><html></html></strong>works (3) |
|ppc  |2.6.18.2 |-/+| + | - | + | - |yes|<strong class="highlight"><html></html></strong>fails to boot (1) |
|     |         |   |   |   |   |   |   | |
|x86  |2.6.18.2 |-/+| - | + |-/+| - |yes|<strong class="highlight"><html></html></strong>no |
|x86  |2.6.18.2 |-/+| + | - |-/+| - |yes|<strong class="highlight"><html></html></strong>no |
|     |         |   |   |   |   |   |   | |
|amd64|2.6.18.2 |-/+| - | + | - | - |yes|<strong class="highlight"><html></html></strong>no |
|amd64|2.6.18.2 |-/+| + | - | + | - |yes|<strong class="highlight"><html></html></strong>no |Exact description: 


  - iBook G4: 1.3GHz, 768MB RAM, Radeon Mobility 9200 
    * - does not even leave Open''''Firmware console 

    iBook G4: 1.3GHz, 768MB RAM, Radeon Mobility 9200 
    * - fails to detect lpj/bogomips correctly, adding lpj=333333 helps\\NOTE: this lpj is different than in 2.6.17, depends on HZ ? 
    * + suspend2 (2.2.9) works, no more problems with X 
    * + no problems with suspend to ram 
    * + Air''''Port II works well (bcm43xx) 

    iBook G4: 1.3GHz, 768MB RAM, Radeon Mobility 9200 
    * - fails to detect lpj/bogomips correctly 
    * ? no further tests 



----
 



===== Series 2.6.19 =====
Not started. CK patch is missing. 



----
 



===== Tips =====

  * If you are using CK patch check the page to get some info about it. Then install ''schedtool'' and start using ''schedtool -I'' ! 
  * If you own Macintosh PowerPC computer try adding ''noisapnp'' and ''i8042.nopnp'' to kernel cmdline to suppress some ugly warnings about non-existing device. 



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