• 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

• preemptrd (RT):
  • realtime-preempt patch by Ingo Molar
    this patch contains many changes from -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 giving nice results, and generally work without problems\\ most of ck-patch parts are disabled when building with RT 

  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:

• suspend2
• vesa-tng
• fbsplash or bootsplash
• reiser4 and squashfs

now on branch LINUX_2_6_17

1. 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
   • + AirPort 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 [[:GeForce|GeForce]] 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 [[:GeForce|GeForce]] 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) 

1. iBook G4: 1.3GHz, 768MB RAM, Radeon Mobility 9200
   • - does not even leave OpenFirmware 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 
  * * suspend2 works, but with problems: system hungs when starting X after resuming 
  * + no problems with suspend to ram 
  * + [[:AirPort|AirPort]] II works well (bcm43xx) 

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