Heads up: panics should be fixed!

Michael W. Oliver michael at gargantuan.com
Tue Sep 2 20:05:05 PDT 2003


+--- On Tuesday, September 02, 2003 20:10,
| T.Suzuki proclaimed:
|
| Our -stable machine has been rebooting every 24hrs from upgrading
|  on "Jul 18".
|
| Then I did cvsup again on Aug 31 03:00JST (GMT +0900). But......
|
| # gdb -k kernel.1 vmcore.1
|
| IdlePTD at phsyical address 0x00367000
| initial pcb at physical address 0x002c55c0
| panicstr: page fault
| panic messages:
| ---
| Fatal trap 12: page fault while in kernel mode
| fault virtual address   = 0x5ea26fef
| fault code              = supervisor read, page not present
| instruction pointer     = 0x8:0xc01924b0
| stack pointer           = 0x10:0xc8bafd74
| frame pointer           = 0x10:0xc8bafd90
| code segment            = base 0x0, limit 0xfffff, type 0x1b
|                         = DPL 0, pres 1, def32 1, gran 1
| processor eflags        = interrupt enabled, resume, IOPL = 0
| current process         = 5674 (perl)
| interrupt mask          =
| trap number             = 12
| panic: page fault
|
| syncing disks... 18
| done
| Uptime: 23h55m53s
|
| # dmesg -a
|
| FreeBSD 4.9-PRERELEASE #6: Mon Sep  1 08:09:40 JST 2003
|     tss at stargate.tokai-ic.or .jp:/usr/src/sys/compile/STARGATE
| Timecounter "i8254"  frequency 1193182 Hz
| Timecounter "TSC"  frequency 768413581 Hz
| CPU: Intel Celeron (768.41-MHz 686-class CPU)
|   Origin = "GenuineIntel"  Id = 0x686  Stepping = 6
|
| Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CM
|OV,PAT,PSE36,MMX,FXSR,SSE> real memory  = 133083136 (129964K bytes)
| avail memory = 126193664 (123236K bytes)
| Preloaded elf kernel "kernel" at 0xc0348000.
| Pentium Pro MTRR support enabled

I am seeing the same thing here:

uname -a:
----------
FreeBSD phoenix.gargantuan.com 4.9-PRERELEASE FreeBSD 4.9-PRERELEASE #0: Mon 
Sep  1 14:56:02 EDT 2003     
root at phoenix.gargantuan.com:/usr/obj/usr/src/sys/PHOENIX  i386


[...]
Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x6e63148e
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc027c38d
stack pointer           = 0x10:0xdea01ecc
frame pointer           = 0x10:0xdea01ef4
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 5 (syncer)
interrupt mask          = none
trap number             = 12
panic: page fault

syncing disks... 4
done
Uptime: 23h58m30s


The thing is, no matter what time of day it is, when the clock gets _close_ 
to 24 hours, down it goes.  This has happened consistently for the past 
couple weeks, but I haven't mentioned it until now since so many others 
were having the same problems.  Since the recent patches are working for 
others, my problem must be something as yet unknown.

I was hoping that all of the latest round of patches would help, but it 
looks like I am going to have to get some trace output and post it here.  I 
have never had to do that before, but I guess there is always a first time.  
Expect more info in ~24 hours...

-- 
Mike
perl -e 'print unpack("u","88V]N=&%C=\"!I;F9O(&EN(&AE861E<G,*");'
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