Re: kern/38782: Panic at uvm_swap_markbad when starting Xorg

[Adam Hoka <adam.hoka%gmail.com@localhost>]

The following reply was made to PR kern/38782; it has been noted by GNATS.

From: Adam Hoka <adam.hoka%gmail.com@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: Mindaugas Rasiukevicius <rmind%NetBSD.org@localhost>
Subject: Re: kern/38782: Panic at uvm_swap_markbad when starting Xorg
Date: Wed, 28 May 2008 22:08:28 +0200

 Mindaugas Rasiukevicius wrote:
 
 >  - Can you reproduce this with debugging options enabled?
 I will try, is DEBUG and -g sufficent?
 
 >  - Are you using kern.ipc.shm_use_phys=1?
 Yes.
 
 >  - What is the memory and swap usage?
 
 $ sudo vmstat -s -M netbsd.0.core                                              
                             
      4096 bytes per page
         8 page colors
    125535 pages managed
     13454 pages free
         0 pages paging
      1756 pages wired
         0 zero pages
         1 reserve pagedaemon pages
         5 reserve kernel pages
     42294 anonymous pages
     51782 cached file pages
      4032 cached executable pages
        64 minimum free pages
        85 target free pages
     41845 maximum wired pages
         1 swap devices
    131165 swap pages
      3816 swap pages in use
    184985 swap allocations
  45109761 total faults taken
  57874433 traps
  20841819 device interrupts
  29698443 CPU context switches
  17844230 software interrupts
 130552243 system calls
    184873 pagein requests
     46392 pageout requests
      8028 swap ins
      8040 swap outs
         0 pages swapped in
    219595 pages swapped out
    261779 forks total
    142114 forks blocked parent
    142114 forks shared address space with parent
   1042554 pagealloc zero wanted and avail
  20796729 pagealloc zero wanted and not avail
         0 aborts of idle page zeroing
  29519060 pagealloc desired color avail
    253541 pagealloc desired color not avail
        24 faults with no memory
         0 faults with no anons
         7 faults had to wait on pages
         0 faults found released page
    199255 faults relock (199211 ok)
  11522951 anon page faults
    184878 anon retry faults
   3379989 amap copy faults
   7998497 neighbour anon page faults
  50828098 neighbour object page faults
  14431723 locked pager get faults
     14373 unlocked pager get faults
   6686084 anon faults
    980630 anon copy on write faults
  12307220 object faults
   2124459 promote copy faults
  20415584 promote zero fill faults
     10517 times daemon wokeup
     10490 revolutions of the clock hand
     10489 times daemon attempted swapout
   2896523 pages freed by daemon
   4928359 pages scanned by daemon
    221042 anonymous pages scanned by daemon
   2675580 object pages scanned by daemon
    264335 pages reactivated
       379 pages found busy by daemon
    173203 total pending pageouts
   5529179 pages deactivated
  76598432 total name lookups
  65762782 good hits
   5737715 negative hits
    215277 bad hits
         0 false hits
   4544717 miss
    337941 too long
   1899854 pass2 hits
   1995923 2passes
           cache hits (85% pos + 7% neg) system 2% per-process
           deletions 0%, falsehits 0%, toolong 0%
 
 Thanks,
 Adam