#11080 NORM 1.75-so: printk timestamp doesn't start at 0

Zarro Boogs per Child bugtracker at laptop.org
Mon Feb 20 12:00:24 EST 2012


#11080: printk timestamp doesn't start at 0
--------------------------------+-------------------------------------------
           Reporter:  pgf       |       Owner:  saadia                            
               Type:  defect    |      Status:  reopened                          
           Priority:  normal    |   Milestone:  1.75-software                     
          Component:  kernel    |     Version:  Development source as of this date
         Resolution:            |    Keywords:                                    
        Next_action:  diagnose  |    Verified:  0                                 
Deployment_affected:            |   Blockedby:                                    
           Blocking:            |  
--------------------------------+-------------------------------------------
Changes (by pgf):

  * status:  closed => reopened
  * next_action:  never set => diagnose
  * resolution:  fixed =>


Comment:

 i'm seeing this again (and i think i have been, for some time).   i'm
 certainly seeing it today with kernels from os27 and os28.

 {{{
 [    0.000000]       .text : 0xc002b000 - 0xc04bd81c   (4683 kB)
 [    0.000000]       .data : 0xc04be000 - 0xc04e77c8   ( 166 kB)
 [    0.000000]        .bss : 0xc04e77ec - 0xc05583b4   ( 451 kB)
 [    0.000000] NR_IRQS:320 nr_irqs:320 320
 [    0.000000] sched_clock: 32 bits at 6MHz, resolution 153ns, wraps every
 660764ms
 [    0.000000] Console: colour dummy device 80x30
 [    0.000000] console [tty0] enabled
 [  660.723086] Calibrating delay loop... 795.44 BogoMIPS (lpj=3977216)
 [  660.813084] pid_max: default: 32768 minimum: 301
 [  660.813163] Mount-cache hash table entries: 512
 [  660.813460] CPU: Testing write buffer coherency: ok
 [  660.815450] devtmpfs: initialized
 [  660.815527] print_constraints: dummy:

 }}}

 and

 {{{
 [    0.000000]     modules : 0xbf000000 - 0xc0000000   (  16 MB)
 [    0.000000]       .init : 0xc0008000 - 0xc002b000   ( 140 kB)
 [    0.000000]       .text : 0xc002b000 - 0xc04bd7f0   (4682 kB)
 [    0.000000]       .data : 0xc04be000 - 0xc04e86e8   ( 170 kB)
 [    0.000000]        .bss : 0xc04e870c - 0xc0559214   ( 451 kB)
 [    0.000000] NR_IRQS:320 nr_irqs:320 320
 [    0.000000] sched_clock: 32 bits at 6MHz, resolution 153ns, wraps every
 660764ms
 [    0.000000] Console: colour dummy device 80x30
 [    0.000000] console [tty0] enabled
 [  660.723733] Calibrating delay loop... 795.44 BogoMIPS (lpj=3977216)
 [  660.813110] pid_max: default: 32768 minimum: 301
 [  660.813188] Mount-cache hash table entries: 512
 [  660.815010] CPU: Testing write buffer coherency: ok
 [  660.815473] devtmpfs: initialized
 [  660.818482] print_constraints: dummy:
 [  660.829711] NET: Registered protocol family 16

 }}}

-- 
Ticket URL: <http://dev.laptop.org/ticket/11080#comment:4>
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