Date: Mon, 4 Apr 2005 22:33:33 +0200 From: "Simon L. Nielsen" <simon@FreeBSD.org> To: freebsd-stable@freebsd.org Subject: Kernel panic on 5.4-PRERELEASE in doselwakeup() Message-ID: <20050404203332.GG779@zaphod.nitro.dk>
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Hello
First, sorry for the lack of details, but given that 5.4 is in
prerelease I though it could be interesting to rapport the problem
anyway, in hope that somebody else has seen something similar.
I don't haave the actual panic message since the serial cable wasn't
connected at the time and I didn't really have the time to find out
how to get the panic string from the system, since it's my main
mailserver... of cause dumpdev wasn't configured either, since the
system hasn't paniced before... doh... anyway:
FreeBSD nfishbone.nitro.dk 5.4-PRERELEASE FreeBSD 5.4-PRERELEASE #2: Sat Apr 2 20:34:28 CEST 2005 simon@nfishbone.nitro.dk:/usr/obj/usr/src/sys/FISHBONE i386
Tracing pid 82803 tid 100158 td 0xc1c04c00
doselwakeup(c3276274,59,da6479e0,c052a399,c3276274) at doselwakeup+0x6e
selwakeuppri(c3276274,59) at selwakeuppri+0xe
ttwakeup(c3276200,c3276200,c3276200,c1a64200,c06d4d40) at ttwakeup+0x21
ttymodem(c3276200,1) at ttymodem+0x13c
ptcopen(c1a64200,3,2000,c1c04c00,da647a80) at ptcopen+0x63
spec_open(da647a80,da647b3c,c0554aa3,da647a80,cbd5d1a0) at spec_open+0x270
spec_vnoperate(da647a80) at spec_vnoperate+0x13
vn_open_cred(da647be4,da647ce4,0,c3f85e00,4) at vn_open_cred+0x463
vn_open(da647be4,da647ce4,0,4,c06fa880) at vn_open+0x1e
kern_open(c1c04c00,bfbfe470,0,3,0) at kern_open+0xcc
open(c1c04c00,da647d14,3,5,292) at open+0x18
syscall(2f,2f,2f,ffffffff,281cec2d) at syscall+0x213
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (5, FreeBSD ELF32, open), eip = 0x282bd59b, esp = 0xbfbfe43c, ebp = 0xbfbfe498 ---
I'm not sure if the following is correct.. but :
[root@nfishbone:FISHBONE] nm kernel.debug | grep doselwakeup
c051f0ec t doselwakeup
[simon@zaphod:~] printf 'obase=16\nibase=16\nC051F0EC+6E\n' | bc
C051F15A
[root@nfishbone:FISHBONE] addr2line -e kernel.debug C051F15A
/usr/src/sys/kern/sys_generic.c:1082
sys/kern/sys_generic.c :
if (td == NULL) {
mtx_unlock(&sellock);
return;
}
1082: TAILQ_REMOVE(&td->td_selq, sip, si_thrlist);
sip->si_thread = NULL;
mtx_lock_spin(&sched_lock);
td->td_flags &= ~TDF_SELECT;
mtx_unlock_spin(&sched_lock);
I don't know if this is useful to anyone... kernel config also
attached in case that's interesting.
--
Simon L. Nielsen
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#
# $FreeBSD: src/sys/i386/conf/GENERIC,v 1.394.2.2 2003/12/07 23:52:53 scottl Exp $
# $Id: FISHBONE,v 1.4 2005/04/02 15:38:53 simon Exp $
machine i386
cpu I486_CPU
cpu I586_CPU
cpu I686_CPU
ident FISHBONE
#To statically compile in device wiring instead of /boot/device.hints
#hints "GENERIC.hints" #Default places to look for devices.
makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
options SCHED_4BSD # 4BSD scheduler
options PREEMPTION # Enable kernel thread preemption
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 COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
options COMPAT_FREEBSD4 # Compatible with FreeBSD4
options SCSI_DELAY=5000 # 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 #P osix P1003_1B real-time extensions
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options ADAPTIVE_GIANT # Giant mutex is adaptive.
# Debugging for use in -current
options KDB # Enable kernel debugger support.
options KDB_UNATTENDED
options DDB # Support DDB.
options GDB # Support remote GDB.
#options INVARIANTS # Enable calls of extra sanity checking
options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
#options WITNESS # Enable checks to detect deadlocks and cycles
#options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
# My additions
options IPFIREWALL #firewall
options IPFIREWALL_VERBOSE #enable logging to syslogd(8)
options IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity
options QUOTA #enable disk quotas
options MAC #Mandatory Access Control
options INCLUDE_CONFIG_FILE # Include this file in kernel
# To make an SMP kernel, the next two are needed
options SMP # Symmetric MultiProcessor Kernel
device apic # I/O APIC
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 cd # CD
device pass # Passthrough device (direct SCSI access)
# RAID controllers interfaced to the SCSI subsystem
device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
# RAID controllers
device pst # Promise Supertrak SX6000
device twe # 3ware ATA RAID
# 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
# Enable this for the pcvt (VT220 compatible) console driver
#device vt
#options XSERVER # support for X server on a vt console
#options FAT_CURSOR # start with block cursor
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
# 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
# PCI Ethernet NICs that use the common MII bus controller code.
# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
device miibus # MII bus support
device dc # DEC/Intel 21143 and various workalikes
device fxp # Intel EtherExpress PRO/100B (82557, 82558)
device re # RealTek 8139C+/8169/8169S/8110S
device rl # RealTek 8129/8139
device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
# 'device ed' requires 'device miibus'
device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards
device ep # Etherlink III based cards
# Pseudo devices - the number indicates how many units to allocate.
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 udbp # USB Double Bulk Pipe devices
device ugen # Generic
device uhid # "Human Interface Devices"
device ukbd # Keyboard
device umass # Disks/Mass storage - Requires scbus and da
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