I'm running the amd64 arch, so that kernel won't work here.

I can boot with "noapictimer", and also with "nohz=off highres=off
apci=debug debug".  I'm attaching the dmesg from the latter boot
options.  (highres=off did not work by itself, not did nohz=off )

Here are the contents of some other files I've heard discussed in these
threads (during the same boot as the dmesg, sorry I couldn't wait to
capture these files on a CPU stuck boot):

[EMAIL PROTECTED]:~$ cat /sys/devices/system/clocksource/clocksource0/*
hpet acpi_pm jiffies tsc 
hpet

[EMAIL PROTECTED]:~$ cat /proc/timer_list 
Timer List Version: v0.3
HRTIMER_MAX_CLOCK_BASES: 2
now at 474426458770 nsecs

cpu: 0
 clock 0:
  .index:      0
  .resolution: 4000250 nsecs
  .get_time:   ktime_get_real
  .offset:     0 nsecs
active timers:
 clock 1:
  .index:      1
  .resolution: 4000250 nsecs
  .get_time:   ktime_get
  .offset:     0 nsecs
active timers:
 #0: <ffff88001943bd48>, hrtimer_wakeup, S:01, futex_wait, firefox/6746
 # expires at 474458683930 nsecs [in 32225160 nsecs]
 #1: <ffff88001943bd48>, it_real_fn, S:01, do_setitimer, syslogd/4925
 # expires at 487622761050 nsecs [in 13196302280 nsecs]
 #2: <ffff88001943bd48>, hrtimer_wakeup, S:01, futex_wait, firefox/6883
 # expires at 518020472610 nsecs [in 43594013840 nsecs]
 #3: <ffff88001943bd48>, hrtimer_wakeup, S:01, do_nanosleep, atd/5528
 # expires at 3653344476130 nsecs [in 3178918017360 nsecs]
  .expires_next   : 9223372036854775807 nsecs
  .hres_active    : 0
  .nr_events      : 0
  .nohz_mode      : 0
  .idle_tick      : 0 nsecs
  .tick_stopped   : 0
  .idle_jiffies   : 0
  .idle_calls     : 0
  .idle_sleeps    : 0
  .idle_entrytime : 474421270370 nsecs
  .idle_waketime  : 0 nsecs
  .idle_exittime  : 0 nsecs
  .idle_sleeptime : 437221753573 nsecs
  .last_jiffies   : 0
  .next_jiffies   : 0
  .idle_expires   : 0 nsecs
jiffies: 4295010841

cpu: 1
 clock 0:
  .index:      0
  .resolution: 4000250 nsecs
  .get_time:   ktime_get_real
  .offset:     0 nsecs
active timers:
 clock 1:
  .index:      1
  .resolution: 4000250 nsecs
  .get_time:   ktime_get
  .offset:     0 nsecs
active timers:
 #0: <ffff88001943bd48>, hrtimer_wakeup, S:01, futex_wait, gvfsd-trash/6912
 # expires at 474692183810 nsecs [in 265725040 nsecs]
 #1: <ffff88001943bd48>, hrtimer_wakeup, S:01, futex_wait, firefox/6874
 # expires at 492439331930 nsecs [in 18012873160 nsecs]
 #2: <ffff88001943bd48>, hrtimer_wakeup, S:01, do_nanosleep, cron/5558
 # expires at 519830787730 nsecs [in 45404328960 nsecs]
  .expires_next   : 9223372036854775807 nsecs
  .hres_active    : 0
  .nr_events      : 0
  .nohz_mode      : 0
  .idle_tick      : 0 nsecs
  .tick_stopped   : 0
  .idle_jiffies   : 0
  .idle_calls     : 0
  .idle_sleeps    : 0
  .idle_entrytime : 474426547050 nsecs
  .idle_waketime  : 0 nsecs
  .idle_exittime  : 0 nsecs
  .idle_sleeptime : 395247480831 nsecs
  .last_jiffies   : 0
  .next_jiffies   : 0
  .idle_expires   : 0 nsecs
jiffies: 4295010841


Tick Device: mode:     0
Clock Event Device: hpet
 max_delta_ns:   85899346200
 min_delta_ns:   1920
 mult:           107374182
 shift:          32
 mode:           2
 next_event:     0 nsecs
 set_next_event: hpet_legacy_next_event
 set_mode:       hpet_legacy_set_mode
 event_handler:  tick_handle_periodic_broadcast
tick_broadcast_mask: 00000003
tick_broadcast_oneshot_mask: 00000000


Tick Device: mode:     0
Clock Event Device: lapic
 max_delta_ns:   668034314
 min_delta_ns:   1194
 mult:           53932548
 shift:          32
 mode:           1
 next_event:     0 nsecs
 set_next_event: lapic_next_event
 set_mode:       lapic_timer_setup
 event_handler:  tick_handle_periodic

Tick Device: mode:     0
Clock Event Device: lapic
 max_delta_ns:   668034314
 min_delta_ns:   1194
 mult:           53932548
 shift:          32
 mode:           1
 next_event:     0 nsecs
 set_next_event: lapic_next_event
 set_mode:       lapic_timer_setup
 event_handler:  tick_handle_periodic


** Attachment added: "dmesg from (x86_64) 2.6.27-2 with nohz=off highress=off 
apci=debug debug (no CPU stuck errors)"
   http://launchpadlibrarian.net/17429302/dmesg

-- 
.27 CPU#1 stuck for 113s! [events/1:10]
https://bugs.launchpad.net/bugs/262437
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