>Number: 184771
>Category: kern
>Synopsis: panic on nfs mount
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sun Dec 15 05:50:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Alex Barber
>Release: 9.2
>Organization:
home
>Environment:
FreeBSD homeserver.local 9.2-RELEASE FreeBSD 9.2-RELEASE #1: Mon Dec 9
23:09:33 PETT 2013 root@homeserver.local:/usr/obj/usr/src/sys/homeserver92
>Description:
When i use GENERIC kernel for my diskless station it's good. When i put options
BOOTP options BOOTP_NFSROOT to kernel config nfs server reboot.
#0 doadump (textdump=1) at pcpu.h:249
249 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) #0 doadump (textdump=1) at pcpu.h:249
#1 0xc07627e5 in kern_reboot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:449
#2 0xc0762ae2 in panic (fmt=<value optimized out>)
at /usr/src/sys/kern/kern_shutdown.c:637
#3 0xc078dbb2 in __stack_chk_fail ()
at /usr/src/sys/kern/stack_protector.c:17
#4 0xc0928b23 in fha_assign (this_thread=0xc51b0980, req=0xc9b98000,
softc=0xc0bd4a80) at /usr/src/sys/nfs/nfs_fha.c:463
#5 0xc068eea0 in fhanew_assign (this_thread=0xc51b0980, req=0xc9b98000)
at /usr/src/sys/fs/nfsserver/nfs_fha_new.c:271
#6 0xc093d527 in svc_run_internal (pool=0xc4bdc500, ismaster=0)
at /usr/src/sys/rpc/svc.c:1109
#7 0xc093d8e0 in svc_thread_start (arg=0xc4bdc500)
at /usr/src/sys/rpc/svc.c:1200
#8 0xc072fcef in fork_exit (callout=0xc093d8d0 <svc_thread_start>,
arg=0xc4bdc500, frame=0xe7ae1d08) at /usr/src/sys/kern/kern_fork.c:992
#9 0xc0a23c14 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:279
(kgdb)
>How-To-Repeat:
/usr/local/etc/dhcpd.conf
subnet 192.168.xx.0 netmask 255.255.255.0 {
range 192.168.xx.17 192.168.xx.20;
range 192.168.xx.90 192.168.xx.99;
range 192.168.xx.101 192.168.xx.101;
option domain-name-servers 192.168.xx.100;
option domain-name "local";
option routers 192.168.xx.100;
filename "/boot/pxeboot";
}
host storserv {
hardware ethernet 60:a4:4c:2e:1d:xx;
fixed-address 192.168.xx.101;
next-server 192.168.xx.100;
option root-path "192.168.xx.100:/usr/home/storserv";
}
/etc/exports
/usr/home/storserv /usr/ports -maproot=0 192.168.xx.101
/etc/inetd.conf
tftp dgram udp wait root /usr/libexec/tftpd tftpd -l -s
/usr/home/storserv
/etc/rc.conf
nfs_server_enable="YES"
mountd_enable="YES"
mountd_flags="-e -l -h 192.168.xx.100"
use kernel config
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time
extensions
options PRINTF_BUFR_SIZE=128 # Prevent printf output being
interspersed.
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
options KDTRACE_HOOKS # Kernel DTrace hooks
options INCLUDE_CONFIG_FILE # Include this file in kernel
options KDB # Kernel debugger related code
options KDB_TRACE # Print a stack trace for a panic
options DDB_CTF # kernel ELF linker loads CTF data
# To make an SMP kernel, the next two lines are needed
options SMP # Symmetric MultiProcessor Kernel
device apic # I/O APIC
# CPU frequency control
device cpufreq
# Bus support.
device acpi
device eisa
device pci
# ATA controllers
device ahci # AHCI-compatible SATA controllers
device ata # Legacy ATA/SATA controllers
options ATA_CAM # Handle legacy controllers with CAM
options ATA_STATIC_ID # Static device numbering
# ATA/SCSI peripherals
device scbus # SCSI bus (required for ATA/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 ATA/SCSI access)
#device ses # Enclosure Services (SES and SAF-TE)
#device ctl # CAM Target Layer
# 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 kbdmux # keyboard multiplexer
device vga # VGA video card driver
options VESA # Add support for VESA BIOS Extensions (VBE)
#device splash # Splash screen and screen saver support
# syscons is the default console driver, resembling an SCO console
device sc
options SC_PIXEL_MODE # add support for the raster text mode
device agp # support several AGP chipsets
device pmtimer
device re # RealTek 8139C+/8169/8169S/8110S
# Pseudo devices.
device loop # Network loopback
device random # Entropy device
#options PADLOCK_RNG # VIA Padlock RNG
#options RDRAND_RNG # Intel Bull Mountain RNG
device ether # Ethernet support
#device vlan # 802.1Q VLAN support
#device tun # Packet tunnel.
device pty # BSD-style compatibility pseudo ttys
device md # Memory "disks"
options BOOTP
options BOOTP_NFSROOT
Boot diskless station
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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