kern/134883: kernel panic, superpages, vfs.lookup_shared, 7.2-STABLE
Dmitriy Demidov
dima_bsd at inbox.lv
Sat May 23 23:30:01 UTC 2009
>Number: 134883
>Category: kern
>Synopsis: kernel panic, superpages, vfs.lookup_shared, 7.2-STABLE
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat May 23 23:30:00 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator: Dmitriy Demidov
>Release: FreeBSD 7.2-STABLE #0
>Organization:
home
>Environment:
FreeBSD hius.local.home 7.2-STABLE FreeBSD 7.2-STABLE #0: Sat May 23 20:08:30 EEST 2009 terminus at hius.local.home:/usr/obj/usr/src/sys/STABLE i386
>Description:
I'm using FreeBSD 7.2-STABLE. Sources have been csup'ed a couple of days ago. System rebuilded and installed as usual (make world + make kernel + etc). I'm using new 7.2 features - Superpages and "The shared vnode locking for pathname lookups in the VFS(9) subsystem".
Today, while running portupgrade -a, I got two kernel panics. First panic (12) I got using kernel without DEBUG options in, but second panic (13) with DEBUG - so I can provide kgdb bt to only last panic.
Information about panics:
=====================
[root at hius /var/crash]# cat ./info.12
Dump header from device /dev/ad1s1b
Architecture: i386
Architecture Version: 2
Dump Length: 213475328B (203 MB)
Blocksize: 512
Dumptime: Sat May 23 19:27:06 2009
Hostname: hius.local.home
Magic: FreeBSD Kernel Dump
Version String: FreeBSD 7.2-STABLE #0: Fri May 22 23:35:54 EEST 2009
terminus at hius.local.home:/usr/obj/usr/src/sys/STABLE
Panic String: vm_fault: fault on nofault entry, addr: c2a86000
Dump Parity: 3592659239
Bounds: 12
Dump Status: good
[root at hius /var/crash]# cat ./info.13
Dump header from device /dev/ad1s1b
Architecture: i386
Architecture Version: 2
Dump Length: 200384512B (191 MB)
Blocksize: 512
Dumptime: Sun May 24 01:38:33 2009
Hostname: hius.local.home
Magic: FreeBSD Kernel Dump
Version String: FreeBSD 7.2-STABLE #0: Sat May 23 20:08:30 EEST 2009
terminus at hius.local.home:/usr/obj/usr/src/sys/STABLE
Panic String: vm_fault: fault on nofault entry, addr: c2a86000
Dump Parity: 4088918836
Bounds: 13
Dump Status: good
=====================
=====================
[root at hius /usr/home/terminus]# cd /usr/obj/usr/src/sys/STABLE/
[root at hius /usr/obj/usr/src/sys/STABLE]# kgdb kernel.debug /var/crash/vmcore.13
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:
panic: vm_fault: fault on nofault entry, addr: c2a86000
cpuid = 0
Uptime: 5h4m30s
Physical memory: 1007 MB
Dumping 191 MB: 176 160 144 128 112 96 80 64 48 32 16
Reading symbols from /boot/modules/nvidia.ko...done.
Loaded symbols for /boot/modules/nvidia.ko
Reading symbols from /boot/kernel/linux.ko...Reading symbols from /boot/kernel/linux.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linux.ko
Reading symbols from /boot/kernel/acpi.ko...Reading symbols from /boot/kernel/acpi.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/acpi.ko
Reading symbols from /boot/kernel/linprocfs.ko...Reading symbols from /boot/kernel/linprocfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linprocfs.ko
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:244
244 dumptid = curthread->td_tid;
(kgdb) bt
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:244
#1 0xc066b688 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
#2 0xc066bac0 in panic (fmt=Could not find the frame base for "panic".
) at /usr/src/sys/kern/kern_shutdown.c:574
#3 0xc09515ae in vm_fault (map=0xc1871000, vaddr=3265814528, fault_type=1 '\001', fault_flags=0) at /usr/src/sys/vm/vm_fault.c:277
#4 0xc09c809b in trap_pfault (frame=0xe6cfc95c, usermode=0, eva=3265815912) at /usr/src/sys/i386/i386/trap.c:841
#5 0xc09c7a2b in trap (frame=0xe6cfc95c) at /usr/src/sys/i386/i386/trap.c:530
#6 0xc09a51fb in calltrap () at /usr/src/sys/i386/i386/exception.s:159
#7 0xc0971c0f in vm_reserv_level_iffullpop (m=0xc65fd048) at /usr/src/sys/vm/vm_reserv.c:512
#8 0xc09c115b in pmap_enter (pmap=0xc4497d74, va=817876992, access=1 '\001', m=0xc65fd048, prot=7 '\a', wired=0) at /usr/src/sys/i386/i386/pmap.c:3182
#9 0xc0953373 in vm_fault (map=0xc4497ce8, vaddr=817876992, fault_type=1 '\001', fault_flags=0) at /usr/src/sys/vm/vm_fault.c:891
#10 0xc09c7f74 in trap_pfault (frame=0xe6cfcd38, usermode=1, eva=817881068) at /usr/src/sys/i386/i386/trap.c:829
#11 0xc09c7892 in trap (frame=0xe6cfcd38) at /usr/src/sys/i386/i386/trap.c:397
#12 0xc09a51fb in calltrap () at /usr/src/sys/i386/i386/exception.s:159
#13 0x282ec73e in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb) quit
[root at hius /usr/obj/usr/src/sys/STABLE]#
=====================
My configuraton:
=====================
/sys/i386/conf/STABLE
cpu I686_CPU
ident STABLE
options IPFIREWALL #firewall
options IPFIREWALL_VERBOSE #enable logging to syslogd(8)
options IPFIREWALL_VERBOSE_LIMIT=10 #limit verbosity
options IPFIREWALL_NAT #ipfw kernel nat support
options LIBALIAS # libalias library, performing NAT
options DUMMYNET
options HZ="1000"
options SC_DISABLE_REBOOT # disable reboot key sequence
device sound
device snd_emu10k1
device vlan #VLAN support (needs miibus)
device atapicam # emulate ATAPI devices as SCSI ditto via CAM
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
options SCHED_ULE # ULE scheduler
options PREEMPTION # Enable kernel thread preemption
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options SCTP # Stream Control Transmission Protocol
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 UFS_GJOURNAL # Enable gjournal-based UFS journaling
options MD_ROOT # MD is a potential root device
options NFSCLIENT # Network Filesystem Client
options NFSSERVER # Network Filesystem Server
options NFSLOCKD # Network Lock Manager
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_PART_GPT # GUID Partition Tables.
options GEOM_LABEL # Provides labelization
options COMPAT_43TTY # BSD 4.3 TTY compat [KEEP THIS!]
options COMPAT_FREEBSD4 # Compatible with FreeBSD4
options COMPAT_FREEBSD5 # Compatible with FreeBSD5
options COMPAT_FREEBSD6 # Compatible with FreeBSD6
options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
options KTRACE # ktrace(1) support
options STACK # stack(9) 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 ADAPTIVE_GIANT # Giant mutex is adaptive.
options STOP_NMI # Stop CPUS using NMI instead of IPI
options AUDIT # Security event auditing
options SMP # Symmetric MultiProcessor Kernel
device apic # I/O APIC
device cpufreq
device eisa
device pci
device fdc
device ata
device atadisk # ATA disk drives
device ataraid # ATA RAID drives
device atapicd # ATAPI CDROM drives
options ATA_STATIC_ID # Static device numbering
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 atkbdc # AT keyboard controller
device atkbd # AT keyboard
device psm # PS/2 mouse
device kbdmux # keyboard multiplexer
device vga # VGA video card driver
device splash # Splash screen and screen saver support
device sc
device agp # support several AGP chipsets
device pmtimer
device sio # 8250, 16[45]50 based serial ports
device uart # Generic UART driver
device ppc
device ppbus # Parallel port bus (required)
device lpt # Printer
device plip # TCP/IP over parallel
device ppi # Parallel port interface device
device em # Intel PRO/1000 Gigabit Ethernet Family
device miibus # MII bus support
device fxp # Intel EtherExpress PRO/100B (82557, 82558)
device loop # Network loopback
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)
device firmware # firmware assist module
device bpf # Berkeley packet filter
device uhci # UHCI PCI->USB interface
device ohci # OHCI PCI->USB interface
device ehci # EHCI PCI->USB interface (USB 2.0)
device usb # USB Bus (required)
device ugen # Generic
device ukbd # Keyboard
device ulpt # Printer
device umass # Disks/Mass storage - Requires scbus and da
device ums # Mouse
device uscanner # Scanners
device ucom # Generic com ttys
device uark # Technologies ARK3116 based serial adapters
device ubsa # Belkin F5U103 and compatible serial adapters
device ubser # BWCT console serial adapters
device uftdi # For FTDI usb serial adapters
device uipaq # Some WinCE based devices
device uplcom # Prolific PL-2303 serial adapters
device uslcom # SI Labs CP2101/CP2102 serial adapters
device uvisor # Visor and Palm devices
device uvscom # USB serial support for DDI pocket's PHS
device aue # ADMtek USB Ethernet
device axe # ASIX Electronics USB Ethernet
device cdce # Generic USB over Ethernet
device cue # CATC USB Ethernet
device kue # Kawasaki LSI USB Ethernet
device rue # RealTek RTL8150 USB Ethernet
device firewire # FireWire bus code
device sbp # SCSI over FireWire (Requires scbus and da)
device fwe # Ethernet over FireWire (non-standard!)
device fwip # IP over FireWire (RFC 2734,3146)
device dcons # Dumb console driver
device dcons_crom # Configuration ROM for dcons
=====================
=====================
/boot/loader.conf
nvidia_load="YES"
vm.pmap.pg_ps_enabled="1"
=====================
=====================
/etc/sysctl.conf
net.inet.ip.fw.one_pass=0
vfs.usermount=1
compat.linux.osrelease=2.6.16
net.inet.ip.fw.dyn_udp_lifetime=30
vfs.lookup_shared=1
=====================
>How-To-Repeat:
I dont't know. It appears two times on heawy load while portupgrade running.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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