Date: Sun, 8 May 2005 15:41:38 +0200 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: freebsd-stable@freebsd.org Subject: Fw: 5.4-STABLE panic: kernel trap 12 with interrupts diabled Message-ID: <20050508154138.702061ad@localhost>
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Hi list, forwarding to freebsd-stable (probably the right place anyway), since I got no further responses on freebsd-questions. Subhro <subhro.kar@gmail.com> wrote: > On 5/5/2005 19:43, Fabian Keil wrote: > >the day before yesterday I experienced my first > >panic on 5.4-STABLE. Build and cvsup'ed last > >Friday. My system is a ThinkPad R51 > > > >I did nothing spectacular, after boot I: > > > >logged in as user > >cdrecord -scanbus (which didn't work as I hadn't yet set it suid) > >su > >chmod +x for cdrecord and readcd (meant was +g ;-) > >exit > >cdrecord -scanbus (didn't yet work ;-) > >su > >cdrecord -scanbus (did work) > >readcd dev=2,0,0 -factor meshpoints=100 f=./file > >exit > > > >Then I moved the laptop and plugged in the AC/DC adapter. > > > >whoami brought me: > > > >Kernel trap 12 with interrupts disabled > >Fatal trap 12: page fault while in kernel mode > >fault virtual address = 0xa94d06c > >fault code = supervisor read, page not present > >instruction pointer = 0x8:0xc053cbe5 > >stack pointer = 0x10:0xe669f98c > >frame pointer = 0x10:0xe669f990 > >code segment = base 0x0, limit 0xfffff, type 0x1b > > = DPL 0, pres 1, def32 1, gran 1 > >processor eflags = resume, IOPL = 0 > >current process = 601 (whoami) > >trap number = 12 > >panic: page fault > > > >I saved the dump manually with savecore and then tried > >to follow: > ><http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/advanced.html#KERNEL-PANIC-TROUBLESHOOTING>; > > > >fk@r51 ~ $nm -n /boot/kernel/kernel | grep c053cb > >c053cb4c T init_turnstiles > >c053cbc9 t init_turnstile0 > >c053cbd8 t turnstile_setowner > > > >My kernel contains "makeoptions DEBUG=-g", however > >I don't have the file /sys/compile/KERNELCONFIG/kernel.debug > >and thus wasn't able to do > >% gdb -k /sys/compile/KERNELCONFIG/kernel.debug /var/crash/vmcore.0 It turned out that I just was looking at the wrong places, kernel.debug was found at /usr/obj/usr/src/sys/THINKPAD/kernel.debug. <http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-gdb.html>; fits better and contains a pointer to kgdb. > >fk@r51 ~ $cat info.0 > >Dump header from device /dev/ad0s3b > > Architecture: i386 > > Architecture Version: 16777216 > > Dump Length: 536215552B (511 MB) > > Blocksize: 512 > > Dumptime: Tue May 3 20:18:11 2005 > > Hostname: r51.local > > Magic: FreeBSD Kernel Dump > > Version String: FreeBSD 5.4-STABLE #6: Sat Apr 30 14:57:04 CEST 2005 > > fk@r51.local:/usr/obj/usr/src/sys/THINKPAD > > Panic String: page fault > > Dump Parity: 1084811848 > > Bounds: 0 > > Dump Status: good > > > >The kernel was build "the new way". > >I was not able to reproduce the panic. > > > >Is there anything else I can do? > It would be great to have a look at the core. Can you put it up > somewhere on the WEB? Also if you are not running a GENERIC kernel then > let us have a look at the config file. fk@r51 ~ $ls -lh|grep core -rw------- 1 fk wheel 511M May 3 20:38 vmcore.0 -rw------- 1 fk wheel 354M May 5 19:11 vmcore.0.gz I don't have that much web space available. However the following seems to be interesting: fk@r51 ~ $kgdb kernel.debug 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". #0 doadump () at pcpu.h:160 160 pcpu.h: No such file or directory. in pcpu.h (kgdb) where #0 doadump () at pcpu.h:160 #1 0xc0519e76 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:410 #2 0xc051a1a7 in panic (fmt=0xc06bafe5 "%s") at /usr/src/sys/kern/kern_shutdown.c:566 #3 0xc0693758 in trap_fatal (frame=0xe669f94c, eva=0) at /usr/src/sys/i386/i386/trap.c:809 #4 0xc0692dca in trap (frame= {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = -429261692, tf_esi = -1043159552, tf_ebp = -429262448, tf_isp = -429262472, tf_ebx = -1043640192, tf_edx = -1043640192, tf_ecx = 177524736, tf_eax = 177524736, tf_trapno = 12, tf_err = 0, tf_eip = -1068250139, tf_cs = 8, tf_eflags = 65539, tf_esp = -1043159552, tf_ss = -429262416}) at /usr/src/sys/i386/i386/trap.c:247 #5 0xc0681baa in calltrap () at /usr/src/sys/i386/i386/exception.s:140 #6 0x00000018 in ?? () #7 0x00000010 in ?? () #8 0x00000010 in ?? () #9 0xe669fc84 in ?? () #10 0xc1d2a600 in ?? () #11 0xe669f990 in ?? () #12 0xe669f978 in ?? () #13 0xc1cb5080 in ?? () #14 0xc1cb5080 in ?? () #15 0x0a94d000 in ?? () #16 0x0a94d000 in ?? () #17 0x0000000c in ?? () #18 0x00000000 in ?? () #19 0xc053cbe5 in turnstile_setowner (ts=0xc1cb5080, owner=0x0) at /usr/src/sys/kern/subr_turnstile.c:367 #20 0xc053cecd in turnstile_wait (ts=0xc1cb5080, lock=0xc1cbb000, owner=0x0) at /usr/src/sys/kern/subr_turnstile.c:504 #21 0xc050fc57 in _mtx_lock_sleep (m=0xc1cbb000, td=0xc1d2a600, opts=0, file=0x0, line=0) at /usr/src/sys/kern/kern_mutex.c:552 #22 0xc062fae6 in ufsdirhash_lookup (ip=0xc1d10460, name=0xc1ce7809 "nss_compat.so.1", namelen=15, offp=0x0, bpp=0x0, prevoffp=0x0) at /usr/src/sys/ufs/ufs/ufs_dirhash.c:349 #23 0xc0632060 in ufs_lookup (ap=0xe669fb34) at /usr/src/sys/ufs/ufs/ufs_lookup.c:214 #24 0xc0639ead in ufs_vnoperate (ap=0x0) at /usr/src/sys/ufs/ufs/ufs_vnops.c:2828 #25 0xc056da78 in vfs_cache_lookup (ap=0x0) at vnode_if.h:82 #26 0xc0639ead in ufs_vnoperate (ap=0x0) at /usr/src/sys/ufs/ufs/ufs_vnops.c:2828 #27 0xc05739f3 in lookup (ndp=0xe669fc5c) at vnode_if.h:52 #28 0xc05733fb in namei (ndp=0xe669fc5c) at /usr/src/sys/kern/vfs_lookup.c:182 #29 0xc0582316 in kern_access (td=0xc1d2a600, path=0x0, pathseg=UIO_USERSPACE, flags=0) at /usr/src/sys/kern/vfs_syscalls.c:1819 #30 0xc05822b2 in access (td=0x0, uap=0x0) at /usr/src/sys/kern/vfs_syscalls.c:1797 #31 0xc0693ac4 in syscall (frame= {tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = -1077942816, tf_esi = 671563776, tf_ebp = -1077942888, tf_isp = -429261468, tf_ebx = 671529272, tf_edx = -1077942576, tf_ecx = 671563801, tf_eax = 33, tf_trapno = 12, tf_err = 2, tf_eip = 671436903, tf_cs = 31, tf_eflags = 582, tf_esp = -1077942916, tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:1001 #32 0xc0681bff in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:201 #33 0x0000002f in ?? () #34 0x0000002f in ?? () #35 0x0000002f in ?? () #36 0xbfbfe5e0 in ?? () #37 0x28074000 in ?? () #38 0xbfbfe598 in ?? () #39 0xe669fd64 in ?? () #40 0x2806b938 in ?? () #41 0xbfbfe6d0 in ?? () ---Type <return> to continue, or q <return> to quit--- #42 0x28074019 in ?? () #43 0x00000021 in ?? () #44 0x0000000c in ?? () #45 0x00000002 in ?? () #46 0x28055067 in ?? () #47 0x0000001f in ?? () #48 0x00000246 in ?? () #49 0xbfbfe57c in ?? () #50 0x0000002f in ?? () #51 0x00000000 in ?? () #52 0x00000000 in ?? () #53 0x00000000 in ?? () #54 0x00000000 in ?? () #55 0x1f3f1000 in ?? () #56 0xc1f06000 in ?? () #57 0xc1d2a600 in ?? () #58 0xe669f84c in ?? () #59 0xe669f834 in ?? () #60 0xc1984c00 in ?? () #61 0xc052c3c2 in sched_switch (td=0x28074000, newtd=0x2806b938, flags=Cannot access memory at address 0xbfbfe5a8 ) at /usr/src/sys/kern/sched_4bsd.c:881 Previous frame inner to this frame (corrupt stack?) (kgdb) quit My kernel configuration is: machine i386 cpu I686_CPU ident THINKPAD makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols # To statically compile in device wiring instead of /boot/device.hints #hints "GENERIC.hints" # Default places to look for devices. options SCHED_4BSD # 4BSD scheduler options INET # InterNETworking options INET6 # IPv6 communications protocols options FFS # Berkeley Fast Filesystem options SOFTUPDATES # Enable FFS soft updates support options UFS_ACL # Support for access control lists options UFS_DIRHASH # Improve performance on big directories options MD_ROOT # MD is a potential root device options NFSCLIENT # Network Filesystem Client #options NFSSERVER # Network Filesystem Server #options NFS_ROOT # NFS usable as /, requires NFSCLIENT options MSDOSFS # MSDOS Filesystem options CD9660 # ISO 9660 Filesystem options PROCFS # Process filesystem (requires PSEUDOFS) options PSEUDOFS # Pseudo-filesystem framework options GEOM_GPT # GUID Partition Tables. options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!] options COMPAT_FREEBSD4 # Compatible with FreeBSD4 options SCSI_DELAY=1000 # Delay (in ms) before probing SCSI options KTRACE # ktrace(1) support options SYSVSHM # SYSV-style shared memory options SYSVMSG # SYSV-style message queues options SYSVSEM # SYSV-style semaphores options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions options KBD_INSTALL_CDEV # install a CDEV entry in /dev options AHC_REG_PRETTY_PRINT # Print register bitfields in debug # output. Adds ~128k to driver. options AHD_REG_PRETTY_PRINT # Print register bitfields in debug # output. Adds ~215k to driver. options ADAPTIVE_GIANT # Giant mutex is adaptive. options KDB # Enable kernel debugger support. #options DDB # Support DDB. #options GDB # Support remote GDB. options WITNESS_SKIPSPIN # Don't run witness on spinlocks # To make an SMP kernel, the next two are needed #options SMP # Symmetric MultiProcessor Kernel device apic # I/O APIC # Bus support. Do not remove isa, even if you have no isa slots device isa device eisa device pci # Floppy drives device fdc # ATA and ATAPI devices device ata device atadisk # ATA disk drives device ataraid # ATA RAID drives device atapicd # ATAPI CDROM drives device atapifd # ATAPI floppy drives device atapist # ATAPI tape drives options ATA_STATIC_ID # Static device numbering # SCSI peripherals device scbus # SCSI bus (required for SCSI) device ch # SCSI media changers device da # Direct Access (disks) device sa # Sequential Access (tape etc) device cd # CD device pass # Passthrough device (direct SCSI access) device ses # SCSI Environmental Services (and SAF-TE) device atapicam # Needed for cdrtools # atkbdc0 controls both the keyboard and the PS/2 mouse device atkbdc # AT keyboard controller device atkbd # AT keyboard device psm # PS/2 mouse device vga # VGA video card driver device splash # Splash screen and screen saver support # syscons is the default console driver, resembling an SCO console device sc device agp # support several AGP chipsets # Floating point support - do not disable. device npx # Power management support (see NOTES for more options) device apm # Add suspend/resume support for the i8254. device pmtimer # PCCARD (PCMCIA) support # PCMCIA and cardbus bridge support #device cbb # cardbus (yenta) bridge device pccard # PC Card (16-bit) bus device cardbus # CardBus (32-bit) bus # Serial (COM) ports device sio # 8250, 16[45]50 based serial ports # Parallel port device ppc device ppbus # Parallel port bus (required) device lpt # Printer #device plip # TCP/IP over parallel #device ppi # Parallel port interface device #device vpo # Requires scbus and da # If you've got a "dumb" serial or parallel PCI card that is # supported by the puc(4) glue driver, uncomment the following # line to enable it (connects to the sio and/or ppc drivers): #device puc # PCI Ethernet NICs. device em # Intel PRO/1000 adapter Gigabit Ethernet Card # Pseudo devices. device loop # Network loopback device mem # Memory and kernel memory devices device io # I/O device device random # Entropy device device ether # Ethernet support #device sl # Kernel SLIP #device ppp # Kernel PPP device tun # Packet tunnel. device pty # Pseudo-ttys (telnet etc) device md # Memory "disks" device gif # IPv6 and IPv4 tunneling device faith # IPv6-to-IPv4 relaying (translation) # The `bpf' device enables the Berkeley Packet Filter. # Be aware of the administrative consequences of enabling this! device bpf # Berkeley packet filter # USB support device uhci # UHCI PCI->USB interface device ohci # OHCI PCI->USB interface device usb # USB Bus (required) device ehci # usb2 'hi=speed' support #device udbp # USB Double Bulk Pipe devices device ugen # Generic #device uhid # "Human Interface Devices" #device ukbd # Keyboard #device ulpt # Printer device umass # Disks/Mass storage - Requires scbus and da device ums # Mouse #device urio # Diamond Rio 500 MP3 player #device uscanner # Scanners # USB Ethernet, requires mii #device aue # ADMtek USB Ethernet #device axe # ASIX Electronics USB Ethernet #device cue # CATC USB Ethernet #device kue # Kawasaki LSI USB Ethernet #device rue # RealTek RTL8150 USB Ethernet # FireWire support device firewire # FireWire bus code device sbp # SCSI over FireWire (Requires scbus and da) device fwe # Ethernet over FireWire (non-standard!) Regards Fabian -- http://www.fabiankeil.de/
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