4.9 stability update

Fri Sep 19 02:17:59 PDT 2003

> We'd like to get a new poll on the stability and readiness of 4.9. 
> The belief is that the last of the PAE-induced instability was
> resolved on August 31.  Is anyone still experiencing unusual
> crashes, corruption, etc, on a system that is running with
> up-to-date sources?  

We've been in trouble since Jul 18. 
(so, it mightn't be caused by PAE)
Our machine reboots every day.
The timing is always when "24 hours after last reboot and
 the ifa_ifwithnet is called."
The machine is the gateway for IPv4 and IPv6 using gif tunnnel.

Also, please refer.
http://docs.freebsd.org/cgi/getmsg.cgi?fetch=227541+0+archive/2003\
/freebsd-stable/20030907.freebsd-stable

<<< dmesg >>>

FreeBSD 4.9-PRERELEASE #0: Thu Sep 18 01:04:13 JST 2003
    tss at stargate.tokai-ic.or.jp:/usr/obj/usr/src/sys/STARGATE
Timecounter "i8254"  frequency 1193182 Hz
Timecounter "TSC"  frequency 768413239 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,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 133083136 (129964K bytes)
avail memory = 126193664 (123236K bytes)
Preloaded elf kernel "kernel" at 0xc0348000.

---------
<<< example of crash dump >>>

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   = 0x1070f9ac
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc01924b0
stack pointer           = 0x10:0xc8b95e44
frame pointer           = 0x10:0xc8b95e60
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         = 3615 (netstat)
interrupt mask          =
trap number             = 12
panic: page fault

syncing disks... 10 1
done
Uptime: 23h58m53s

dumping to dev #ad/0x20001, offset 788648
dump ata0: resetting devices .. done
126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---
#0  dumpsys () at ../../kern/kern_shutdown.c:487

warning: Source file is more recent than executable.

487             if (dumping++) {
(kgdb) bt
#0  dumpsys () at ../../kern/kern_shutdown.c:487
#1  0xc01562bf in boot (howto=256) at ../../kern/kern_shutdown.c:316
#2  0xc01566fd in panic (fmt=0xc029ccac "%s") at ../../kern/kern_shutdown.c:595
#3  0xc025f1e7 in trap_fatal (frame=0xc8b95e04, eva=275839404) at ../../i386/i386/trap.c:974
#4  0xc025ee95 in trap_pfault (frame=0xc8b95e04, usermode=0, eva=275839404) at ../../i386/i386/trap.c:867
#5  0xc025ea3b in trap (frame={tf_fs = -927399920, tf_es = -1071513584, tf_ds = -927399920,
      tf_edi = -1060946859, tf_esi = -1060978011, tf_ebp = -927375776, tf_isp = -927375824, tf_ebx = 275839404,
      tf_edx = -1060977976, tf_ecx = -1060977979, tf_eax = 28, tf_trapno = 12, tf_err = 0,
      tf_eip = -1072094032, tf_cs = 8, tf_eflags = 66054, tf_esp = 13568, tf_ss = -1060946864})
    at ../../i386/i386/trap.c:466
#6  0xc01924b0 in ifa_ifwithnet (addr=0xc0c33c50) at ../../net/if.c:612
#7  0xc019ed31 in in_pcbladdr (inp=0xc81d5c80, nam=0xc0c33c50, plocal_sin=0xc8b95e98)
    at ../../netinet/in_pcb.c:459
#8  0xc019ee16 in in_pcbconnect (inp=0xc81d5c80, nam=0xc0c33c50, p=0xc8a63400) at ../../netinet/in_pcb.c:526
#9  0xc01b56b5 in udp_connect (so=0xc8177a00, nam=0xc0c33c50, p=0xc8a63400) at ../../netinet/udp_usrreq.c:866
#10 0xc0175046 in soconnect (so=0xc8177a00, nam=0xc0c33c50, p=0xc8a63400) at ../../kern/uipc_socket.c:389
#11 0xc0178679 in connect (p=0xc8a63400, uap=0xc8b95f80) at ../../kern/uipc_syscalls.c:401
#12 0xc025f49d in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 134725632, tf_esi = 43,
      tf_ebp = -1077939944, tf_isp = -927375404, tf_ebx = 672228076, tf_edx = 0, tf_ecx = 0, tf_eax = 98,
      tf_trapno = 12, tf_err = 2, tf_eip = 671910496, tf_cs = 31, tf_eflags = 643, tf_esp = -1077940612,
      tf_ss = 47}) at ../../i386/i386/trap.c:1175
#13 0xc0250785 in Xint0x80_syscall ()
#14 0x280dd361 in ?? ()
#15 0x280e7a29 in ?? ()
#16 0x280e6e70 in ?? ()
#17 0x80537df in ?? ()
#18 0x8049997 in ?? ()
#19 0x804fd0e in ?? ()
#20 0x8049356 in ?? ()

-- 
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// T.Suzuki @ Tokai Internet Council
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