panic

[Sascha Wildner <saw@xxxxxxxxx>]

Hello,

I was working in Emacs when the telnet connection suddenly froze. 
Closing the terminal window (I was connecting from Windows) triggered a 
panic. Backtrace attached.

Regards,
Sascha Wildner

P.S. System is a couple of days old.

--
http://yoyodyne.ath.cx

Current directory is /usr/obj/usr/src/sys/UNACK/
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This GDB was configured as "i386-unknown-dragonfly"...Deprecated bfd_read called at /usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c line 2627 in elfstab_build_psymtabs
Deprecated bfd_read called at /usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c line 933 in fill_symbuf

1 cpu [ff800000,32768]
IdlePTD at phsyical address 0x004d0000
PCB @00390ee0 EIP=c019edde ESP=caa40818 EBP=caa40824
initial pcb at physical address 0x00390ee0
panicstr: from debugger
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x30
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xc0190269
stack pointer	        = 0x10:0xcaa40a2c
frame pointer	        = 0x10:0xcaa40a7c
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		= 661 (emacs)
current thread          = pri 6 
interrupt mask		= none
sc0: sc_switch_scr() 1 switch done (new == old)
panic: from debugger


Fatal trap 3: breakpoint instruction fault while in kernel mode
instruction pointer	= 0x8:0xc02c9e54
stack pointer	        = 0x10:0xcaa40840
frame pointer	        = 0x10:0xcaa40848
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, def32 1, gran 1
processor eflags	= interrupt enabled, IOPL = 0
current process		= 661 (emacs)
current thread          = pri 6 
interrupt mask		= none
panic: from debugger
sc0: sc_switch_scr() 1 switch done (new == old)
Uptime: 1h16m43s

dumping to dev #ad/0x20001, offset 262272
dump ata0: resetting devices .. ata0: mask=03 ostat0=50 ostat2=50
acd0: ATAPI 14 eb
ad0: ATAPI 00 00
ata0: mask=03 stat0=50 stat1=00
ad0: ATA 01 a5
ata0: devices=09
ad0: success setting PIO4 on generic chip
acd0: success setting PIO4 on generic chip
done
127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 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 /usr/src/sys/kern/kern_shutdown.c:500
(kgdb) bt
#0  dumpsys () at /usr/src/sys/kern/kern_shutdown.c:500
#1  0xc019ebd3 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:333
#2  0xc019f004 in poweroff_wait (junk=0xc02f988a, howto=-895219432)
    at /usr/src/sys/kern/kern_shutdown.c:612
#3  0xc0150f05 in db_panic (addr=-1072102807, have_addr=0, count=1, 
    modif=0xcaa408a0 "") at /usr/src/sys/ddb/db_command.c:450
#4  0xc0150ea3 in db_command (last_cmdp=0xc0340d84, cmd_table=0xc0340ba4, 
    aux_cmd_tablep=0xc033a080, aux_cmd_tablep_end=0xc033a084)
    at /usr/src/sys/ddb/db_command.c:346
#5  0xc0150f6f in db_command_loop () at /usr/src/sys/ddb/db_command.c:472
#6  0xc015352d in db_trap (type=12, code=0) at /usr/src/sys/ddb/db_trap.c:72
#7  0xc02c9b1e in kdb_trap (type=12, code=0, regs=0xcaa409ec)
    at /usr/src/sys/i386/i386/db_interface.c:161
#8  0xc02d8682 in trap_fatal (frame=0xcaa409ec, eva=48)
    at /usr/src/sys/i386/i386/trap.c:1087
#9  0xc02d82b1 in trap_pfault (frame=0xcaa409ec, usermode=0, eva=48)
    at /usr/src/sys/i386/i386/trap.c:981
#10 0xc02d7fa8 in trap (frame={tf_fs = -1072103400, tf_es = -895221744, 
      tf_ds = 16, tf_edi = 4, tf_esi = -896526080, tf_ebp = -895219076, 
      tf_isp = -895219176, tf_ebx = 1074033783, tf_edx = -980265392, 
      tf_ecx = 18, tf_eax = 0, tf_trapno = 12, tf_err = 0, 
      tf_eip = -1072102807, tf_cs = 8, tf_eflags = 66182, tf_esp = 0, 
      tf_ss = 0}) at /usr/src/sys/i386/i386/trap.c:561
#11 0xc0190269 in dev_dioctl (dev=0x0, cmd=1074033783, data=0xcaa40b8c "", 
    fflag=3, td=0xc5925640) at /usr/src/sys/kern/kern_device.c:163
#12 0xc01de381 in spec_ioctl (ap=0xcaa40ac8)
    at /usr/src/sys/vfs/specfs/spec_vnops.c:347
#13 0xc01ddff1 in spec_vnoperate (ap=0xcaa40ac8)
    at /usr/src/sys/vfs/specfs/spec_vnops.c:124
#14 0xc025af31 in ufs_vnoperatespec (ap=0xcaa40ac8)
    at /usr/src/sys/vfs/ufs/ufs_vnops.c:2300
#15 0xc01da7df in vn_ioctl (fp=0xca9a7710, com=1074033783, data=0xcaa40b8c "", 
    td=0xc5925640) at vnode_if.h:532
#16 0xc01b30ad in ioctl (uap=0xcaa40c40) at /usr/src/sys/sys/file2.h:91
#17 0xc02d89ca in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, 
      tf_edi = 0, tf_esi = 1, tf_ebp = -1077942248, tf_isp = -895218316, 
      tf_ebx = 673437932, tf_edx = -1077942216, tf_ecx = 141339528, 
      tf_eax = 54, tf_trapno = 7, tf_err = 2, tf_eip = 673128364, tf_cs = 31, 
      tf_eflags = 647, tf_esp = -1077942292, tf_ss = 47})
    at /usr/src/sys/i386/i386/trap.c:1297
#18 0xc02cab1a in Xint0x80_syscall ()
#19 0x809488a in ?? ()
#20 0x80934a9 in ?? ()
#21 0xbfbfffd4 in ?? ()
#22 0x80b03c6 in ?? ()
#23 0x80b025e in ?? ()
#24 0x80b01a0 in ?? ()
#25 0x80e17df in ?? ()
#26 0x80e18d8 in ?? ()
#27 0x80e9569 in ?? ()
#28 0x81114b4 in ?? ()
#29 0x80e9c2f in ?? ()
#30 0x80e9774 in ?? ()
#31 0x81114b4 in ?? ()
#32 0x80e9c2f in ?? ()
#33 0x80e9774 in ?? ()
#34 0x81114b4 in ?? ()
#35 0x80e9c2f in ?? ()
#36 0x80e9774 in ?? ()
#37 0x81114b4 in ?? ()
#38 0x80e9c2f in ?? ()
#39 0x80e9774 in ?? ()
#40 0x81114b4 in ?? ()
#41 0x80e9c2f in ?? ()
#42 0x80e98ea in ?? ()
#43 0x80e8ce5 in ?? ()
#44 0x80e6a32 in ?? ()
#45 0x80e8a67 in ?? ()
#46 0x80e961d in ?? ()
#47 0x81114b4 in ?? ()
#48 0x80e9c2f in ?? ()
#49 0x80e9774 in ?? ()
#50 0x80e8fc9 in ?? ()
#51 0x80e92f6 in ?? ()
#52 0x81157c3 in ?? ()
#53 0x80e7bcc in ?? ()
#54 0x8117622 in ?? ()
#55 0x811779e in ?? ()
#56 0x8115226 in ?? ()
#57 0x8051db1 in ?? ()
#58 0x809745f in ?? ()
#59 0x809c3d7 in ?? ()
#60 0x8095be3 in ?? ()
#61 0x80e7afd in ?? ()
#62 0x80957c8 in ?? ()
#63 0x80e7720 in ?? ()
#64 0x809577a in ?? ()
#65 0x809537f in ?? ()
#66 0x809548e in ?? ()
#67 0x8094419 in ?? ()
#68 0x804a7c6 in ?? ()
(kgdb)