kern/118897: Kernel Panic acquiring IP address from DHCP server on newly enabled netcard

Mon Dec 31 10:20:03 PST 2007

The following reply was made to PR kern/118897; it has been noted by GNATS.

From: Manolis Kiagias <sonicy at otenet.gr>
To: Kris Kennaway <kris at FreeBSD.org>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: kern/118897: Kernel Panic acquiring IP address from DHCP server
 on	newly enabled netcard
Date: Mon, 31 Dec 2007 20:10:50 +0200

 Kris Kennaway wrote:
 >
 > Either try enabling minidumps (debug.minidump), maybe try adding a
 > different disk device (e.g. ATA) and dumping on that, or just use DDB
 > to obtain the information, either by serial console, hand
 > transcription or photography.
 >
 > Kris
 >
 I finally succeeded in getting the crash dump on a usb disk (never
 thought this was possible)...

 I hope this contains what you are looking for, I am kind of new to this
 stuff...

 Script started on Mon Dec 31 20:00:13 2007
 [root at pegasus:PEGASUS]#    kgdb kernel.debug /var/crash/vmcore.0  
 [GDB will not be able to debug user-mode threads:
 /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
 GNU gdb 6.1.1 [FreeBSD]
 Copyright 2004 Free Software Foundation, Inc.
 GDB is free software, covered by the GNU General Public License, and you
 are
 welcome to change it and/or distribute copies of it under certain
 conditions.
 Type "show copying" to see the conditions.
 There is absolutely no warranty for GDB.  Type "show warranty" for details.
 This GDB was configured as "i386-marcel-freebsd".

 Unread portion of the kernel message buffer:

 Fatal trap 12: page fault while in kernel mode
 cpuid = 1; apic id = 01
 fault virtual address    = 0x104
 fault code        = supervisor read, page not present
 instruction pointer    = 0x20:0xc052417d
 stack pointer            = 0x28:0xe9591bec
 frame pointer            = 0x28:0xe9591bf8
 code segment        = base 0x0, limit 0xfffff, type 0x1b
             = DPL 0, pres 1, def32 1, gran 1
 processor eflags    = resume, IOPL = 0
 current process        = 1791 (ifconfig)
 trap number        = 12
 panic: page fault
 cpuid = 1
 Uptime: 1m9s
 Dumping 2046 MB (2 chunks)
   chunk 0: 1MB (159 pages) ... ok
   chunk 1: 2046MB (523648 pages) 2030 2014 1998 1982 1966 1950 1934 1918
 1902 1886 1870 1854 1838 1822 1806 1790 1774 1758 1742 1726 1710 1694
 1678 1662 1646 1630 1614 1598 1582 1566 1550 1534 1518 1502 1486 1470
 1454 1438 1422 1406 1390 1374 1358 1342 1326 1310 1294 1278 1262 1246
 1230 1214 1198 1182 1166 1150 1134 1118 1102 1086 1070 1054 1038 1022
 1006 990 974 958 942 926 910 894 878 862 846 830 814 798 782 766 750 734
 718 702 686 670 654 638 622 606 590 574 558 542 526 510 494 478 462 446
 430 414 398 382 366 350 334 318 302 286 270 254 238 222 206 190 174 158
 142 126 110 94 78 62 46 30 14

 #0  doadump () at pcpu.h:165
 165        __asm __volatile("movl %%fs:0,%0" : "=r" (td));
 (kgdb) list *0xc052417d
 0xc052417d is in _mtx_lock_sleep (/usr/src/sys/kern/kern_mutex.c:548).
 543             * If the current owner of the lock is executing on another
 544             * CPU, spin instead of blocking.
 545             */
 546            owner = (struct thread *)(v & MTX_FLAGMASK);
 547    #ifdef ADAPTIVE_GIANT
 548            if (TD_IS_RUNNING(owner)) {
 549    #else
 550            if (m != &Giant && TD_IS_RUNNING(owner)) {
 551    #endif
 552                turnstile_release(&m->mtx_object);
 (kgdb) backtrace
 #0  doadump () at pcpu.h:165
 #1  0xc052d81a in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
 #2  0xc052db41 in panic (fmt=0xc06dcdb1 "%s")
     at /usr/src/sys/kern/kern_shutdown.c:565
 #3  0xc06af804 in trap_fatal (frame=0xe9591bac, eva=260)
     at /usr/src/sys/i386/i386/trap.c:838
 #4  0xc06aefba in trap (frame=
       {tf_fs = -380043256, tf_es = 40, tf_ds = -1066074072, tf_edi =
 -956558976, tf_esi = 4, tf_ebp = -380036104, tf_isp = -380036136, tf_ebx
 = -951325060, tf_edx = 6, tf_ecx = -951325184, tf_eax = 1, tf_trapno =
 12, tf_err = 0, tf_eip = -1068351107, tf_cs = 32, tf_eflags = 65538,
 tf_esp = 0, tf_ss = -2145359591})
     at /usr/src/sys/i386/i386/trap.c:270
 #5  0xc069a9ba in calltrap () at /usr/src/sys/i386/i386/exception.s:139
 #6  0xc052417d in _mtx_lock_sleep (m=0xc74bee7c, tid=3338408320, opts=0, 
     file=0x0, line=0) at /usr/src/sys/kern/kern_mutex.c:546
 #7  0xc05c82bf in in_control (so=0xc70be000, cmd=2149607705, 
     data=0xc6fbd9a0 "bfe0", ifp=0xc6d5f800, td=0xc6fc1180)
     at /usr/src/sys/netinet/in.c:485
 #8  0xc059e47b in ifioctl (so=0xc70be000, cmd=2149607705, 
     data=0xc6fbd9a0 "bfe0", td=0xc6fc1180) at /usr/src/sys/net/if.c:1612
 #9  0xc0557f6b in soo_ioctl (fp=0x1, cmd=2149607705, data=0xc6fbd9a0, 
     active_cred=0xc6bdd780, td=0xc6fc1180)
     at /usr/src/sys/kern/sys_socket.c:214
 #10 0xc0552191 in ioctl (td=0xc6fc1180, uap=0xe9591d04) at file.h:265
 ---Type <return> to continue, or q <return> to quit--- 
 #11 0xc06afb4b in syscall (frame=
       {tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = 134570944, tf_esi =
 -1077940406, tf_ebp = -1077940744, tf_isp = -380035740, tf_ebx = 0,
 tf_edx = 134583201, tf_ecx = 134570944, tf_eax = 54, tf_trapno = 12,
 tf_err = 2, tf_eip = 672438819, tf_cs = 51, tf_eflags = 642, tf_esp =
 -1077942868, tf_ss = 59})
     at /usr/src/sys/i386/i386/trap.c:984
 #12 0xc069aa0f in Xint0x80_syscall ()
     at /usr/src/sys/i386/i386/exception.s:200
 #13 0x00000033 in ?? ()
 Previous frame inner to this frame (corrupt stack?)
 (kgdb) quit

 Script done on Mon Dec 31 20:01:44 2007