[backtrace] kernel dump when shutting down
Xin LI
delphij at frontfree.net
Tue Jun 15 05:23:05 GMT 2004
Hello folks,
I got a strange problem when having HTT enabled on a P4 2.8E processor.
When rebooting the system, after the disk sync and the system is going
to restart, it crashes and generates a crashdump. Strangely, the panic
message seems to be corrupted.
The kernel was built on fresh cvsup'ed code. I have did some local
modifications, however, the crash persists no matter whether I have
applied my modifications.
Here is the backtrace:
(kgdb) beastie# gdb -k kernel.debug /var/crash/vmcore.4
GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 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-undermydesk-freebsd"...
panic: blockable sleep lock (sleep mutex) process lock @ /usr/src/sys/kern/kern_sig.c:1510
panic messages:
---
panic: blockable sleep lock (sleep mutex) process lock @ /usr/src/sys/kern/kern_sig.c:1510
cpuid = 1;
boot() called on cpu#1
Uptime: 14m26s
Dumping 1007 MB
ad2: timeout waiting for write DRQad2: timeout waiting for write DRQad2: timeout waiting for write DRQad2: timeout waiting for write DRQad2: timeout waiting for write DRQ 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320 336 352 368 384 400 416 432 448 464 480 496 512 528 544 560 576 592 608 624 640 656 672 688 704 720 736 752 768 784 800 816 832 848 864 880 896 912spin lock witness lock held by 0xc1e2b420 for > 5 seconds
928 944 960 976 992
---
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:236
236 dumping++;
(kgdb) bt full
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:236
No locals.
#1 0xc0500256 in runq_choose (rq=0x0) at /usr/src/sys/kern/kern_switch.c:583
ke = (struct kse *) 0x0
#2 0xc050b25a in kseq_choose (kseq=0xc1e29800) at /usr/src/sys/kern/sched_ule.c:783
ke = (struct kse *) 0xc1e2b420
swap = (struct runq *) 0xc1e2980c
#3 0xc050c364 in sched_choose () at /usr/src/sys/kern/sched_ule.c:347
kseq = (struct kseq *) 0xc06c4970
ke = (struct kse *) 0xc1e2f780
The system works just fine when HTT is disabled.
Kernel configuration is:
#
# BEASTIE -- Customized kernel configuration file for FreeBSD/i386
#
# $Phantasm$
machine i386
cpu I686_CPU
ident BEASTIE
# 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_ULE # ULE scheduler
options INET # InterNETworking
options FFS # Berkeley Fast Filesystem
options SOFTUPDATES # Enable FFS soft updates support
options UFS_DIRHASH # Improve performance on big directories
options PROCFS # Process filesystem (requires PSEUDOFS)
options PSEUDOFS # Pseudo-filesystem framework
options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
options SCSI_DELAY=0 # 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 PFIL_HOOKS # pfil(9) framework
# Debugging for use in -current
options DDB # Enable the kernel debugger
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
# 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
# ATA and ATAPI devices
device ata
device atadisk # ATA disk drives
options ATA_STATIC_ID # Static device numbering
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc # AT keyboard controller
device atkbd # AT keyboard
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
# Add suspend/resume support for the i8254.
device pmtimer
# 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 xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
# Pseudo devices - the number indicates how many units to allocate.
device random # Entropy device
device loop # Network loopback
device ether # Ethernet support
device ppp # Kernel PPP
device tun # Packet tunnel.
device pty # Pseudo-ttys (telnet etc)
device md # Memory "disks"
# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
device bpf # Berkeley packet filter
#makeoptions CONF_CFLAGS=-fno-builtin
#options MAXDSIZ=(1024UL*1024*1024)
#options MAXSSIZ=(128UL*1024*1024)
#options DFLDSIZ=(1024UL*1024*1024)
options INCLUDE_CONFIG_FILE
#options ADAPTIVE_MUTEXES
#options MUTEX_NOINLINE
options IPSEC
options IPSEC_ESP
device pf
device pflog
device pfsync
options MROUTING
options PIM
options IPDIVERT
options IPSTEALTH
options RANDOM_IP_ID
options ACCEPT_FILTER_DATA
options ACCEPT_FILTER_HTTP
options ZERO_COPY_SOCKETS
#options HZ=100
#options PPS_SYNC
device green_saver
device crypto
device cryptodev
device rndtest
device hifn
device ubsec
options PANIC_REBOOT_WAIT_TIME=0
#options PERFMON
#options DEVICE_POLLING
options AUTO_EOI_1
device acpi
options DDB_UNATTENDED
#options DDB_TRACE
options NULLFS
options FDESCFS
The system used to crash before sync'ing disks. It seems that Nate's
recent commit has removed that crash. More information available
upon request.
Cheers,
--
Xin LI <delphij frontfree net> http://www.delphij.net/
See complete headers for GPG key and other information.
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