** Description changed:

  Whether 64-bit or i386, custom compiled or stock kernel, setup or
  actually in the distro, Ubuntu requires either noapic or pci=noacpi.
  That presents problems and trade-offs that don't make Ubuntu a viable
  option. Slackware works without the need to disable anything, and
  according to a Gentoo user on Linux on Laptops, neither does Gentoo.
  
  This is the working config I use in Slackware that I also used in
  Ubuntu: http://red.caek.org/2621-HP.config
  
  With the default parameters, Ubuntu will freeze as it loads GDM, so it
  hangs at a black screen. In single user mode, with apic enabled, it will
  still freeze. Without quiet nosplash it might hang at loading the
  drivers or it may hang later than that.
  
  If I disable apic, change xorg.conf to use the vesa driver, then boot
  normally, loading GDM no longer results in a black screen, it actually
  comes up and I can log in. However, it still freezes completely about a
  minute or two after.
  
  'noapic' = Ok, the machine boots, everything works, except for USB. So adding 
irqpoll will fix the USB problem.
  'noapic irqpoll' / 'noapic irqpoll noirqdebug' = Machine boots, but there 
doesn't seem to be any power management or cpu frequency scaling. The CPUs are 
constantly running at full speed. No battery detection, etc etc.
  'pci=noacpi' = Big fat X11 error message trying to use the accelerated nVidia 
driver, a problem relating to edge-triggered IRQs.
  
  I'd like to stick with Slackware, but I need a distro with a package manager. 
I have some logs zipped up, including from Slackware, and lspci -vvvv from 
Slackware.  I hope they're enough to go on.
   
  This is the computer: 
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00847924&lc=en&cc=us&dlc=en&product=3340175&lang=en
  w/ latest BIOS
  
- [code]
+ Currently I'm using Ubuntu Feisty 7.04 64-bit. The 32-bit build isn't
+ any different.
+ 
  processor       : 0
  vendor_id       : AuthenticAMD
  cpu family      : 15
  model           : 72
  model name      : AMD Turion(tm) 64 X2 Mobile Technology TL-56
  stepping        : 2
  cpu MHz         : 800.000
  cache size      : 512 KB
  physical id     : 0
  siblings        : 2
  core id         : 0
  cpu cores       : 2
  fdiv_bug        : no
  hlt_bug         : no
  f00f_bug        : no
  coma_bug        : no
  fpu             : yes
  fpu_exception   : yes
  cpuid level     : 1
  wp              : yes
  flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp 
lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8legacy ts fid vid 
ttp tm stc
  bogomips        : 1608.35
  clflush size    : 64
  
  processor       : 1
  vendor_id       : AuthenticAMD
  cpu family      : 15
  model           : 72
  model name      : AMD Turion(tm) 64 X2 Mobile Technology TL-56
  stepping        : 2
  cpu MHz         : 800.000
  cache size      : 512 KB
  physical id     : 0
  siblings        : 2
  core id         : 1
  cpu cores       : 2
  fdiv_bug        : no
  hlt_bug         : no
  f00f_bug        : no
  coma_bug        : no
  fpu             : yes
  fpu_exception   : yes
  cpuid level     : 1
  wp              : yes
  flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp 
lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8legacy ts fid vid 
ttp tm stc
  bogomips        : 1608.35
  clflush size    : 64
- [/code]
** Description changed:

  Whether 64-bit or i386, custom compiled or stock kernel, setup or
  actually in the distro, Ubuntu requires either noapic or pci=noacpi.
  That presents problems and trade-offs that don't make Ubuntu a viable
  option. Slackware works without the need to disable anything, and
  according to a Gentoo user on Linux on Laptops, neither does Gentoo.
  
  This is the working config I use in Slackware that I also used in
  Ubuntu: http://red.caek.org/2621-HP.config
  
  With the default parameters, Ubuntu will freeze as it loads GDM, so it
  hangs at a black screen. In single user mode, with apic enabled, it will
  still freeze. Without quiet nosplash it might hang at loading the
  drivers or it may hang later than that.
  
  If I disable apic, change xorg.conf to use the vesa driver, then boot
  normally, loading GDM no longer results in a black screen, it actually
  comes up and I can log in. However, it still freezes completely about a
  minute or two after.
  
  'noapic' = Ok, the machine boots, everything works, except for USB. So adding 
irqpoll will fix the USB problem.
  'noapic irqpoll' / 'noapic irqpoll noirqdebug' = Machine boots, but there 
doesn't seem to be any power management or cpu frequency scaling. The CPUs are 
constantly running at full speed. No battery detection, etc etc.
  'pci=noacpi' = Big fat X11 error message trying to use the accelerated nVidia 
driver, a problem relating to edge-triggered IRQs.
  
  I'd like to stick with Slackware, but I need a distro with a package manager. 
I have some logs zipped up, including from Slackware, and lspci -vvvv from 
Slackware.  I hope they're enough to go on.
   
  This is the computer: 
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00847924&lc=en&cc=us&dlc=en&product=3340175&lang=en
  w/ latest BIOS
  
- Currently I'm using Ubuntu Feisty 7.04 64-bit. The 32-bit build isn't
- any different.
+ Currently I'm using Ubuntu Feisty 7.04 64-bit with 2.6.20-15 and
+ 2.6.20-16 kernels installs. The 32-bit build isn't any different.
  
  processor       : 0
  vendor_id       : AuthenticAMD
  cpu family      : 15
  model           : 72
  model name      : AMD Turion(tm) 64 X2 Mobile Technology TL-56
  stepping        : 2
  cpu MHz         : 800.000
  cache size      : 512 KB
  physical id     : 0
  siblings        : 2
  core id         : 0
  cpu cores       : 2
  fdiv_bug        : no
  hlt_bug         : no
  f00f_bug        : no
  coma_bug        : no
  fpu             : yes
  fpu_exception   : yes
  cpuid level     : 1
  wp              : yes
  flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp 
lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8legacy ts fid vid 
ttp tm stc
  bogomips        : 1608.35
  clflush size    : 64
  
  processor       : 1
  vendor_id       : AuthenticAMD
  cpu family      : 15
  model           : 72
  model name      : AMD Turion(tm) 64 X2 Mobile Technology TL-56
  stepping        : 2
  cpu MHz         : 800.000
  cache size      : 512 KB
  physical id     : 0
  siblings        : 2
  core id         : 1
  cpu cores       : 2
  fdiv_bug        : no
  hlt_bug         : no
  f00f_bug        : no
  coma_bug        : no
  fpu             : yes
  fpu_exception   : yes
  cpuid level     : 1
  wp              : yes
  flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp 
lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8legacy ts fid vid 
ttp tm stc
  bogomips        : 1608.35
  clflush size    : 64

-- 
Ubuntu only doesn't like apic
https://bugs.launchpad.net/bugs/120648
You received this bug notification because you are a member of Ubuntu
Bugs, which is the bug contact for Ubuntu.

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