kern/129316: kernel panic (pcpu.h:195; support.s:499)
Denis
backspace at ua.fm
Sun Nov 30 15:00:07 PST 2008
>Number: 129316
>Category: kern
>Synopsis: kernel panic (pcpu.h:195; support.s:499)
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sun Nov 30 23:00:05 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator: Denis
>Release: 7.0-RELEASE
>Organization:
>Environment:
# uname -a
FreeBSD hostname 7.0-RELEASE FreeBSD 7.0-RELEASE #5: Fri Nov 28 13:43:00 EET 2008 admin at hostname:/usr/src/sys/i386/compile/GATE i386
>Description:
Problem occurs probably because of malfunction of sio subsystem with NetMos NM9845 Quad UART.
Backtrace and other potentially needed information below.
# kgdb kernel.debug /log/crash/vmcore.4
[GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
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This GDB was configured as "i386-marcel-freebsd".
Unread portion of the kernel message buffer:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x14
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc082e6e6
stack pointer = 0x28:0xf13fdc20
frame pointer = 0x28:0xf13fdc50
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 35 (swi0: sio)
trap number = 12
panic: page fault
cpuid = 1
Uptime: 3h40m37s
Physical memory: 503 MB
Dumping 126 MB: 111 95 79 63 47 31 15
#0 doadump () at pcpu.h:195
195 __asm __volatile("movl %%fs:0,%0" : "=r" (td));
(kgdb) bt
#0 doadump () at pcpu.h:195
#1 0xc0667823 in boot (howto=260) at ../../../kern/kern_shutdown.c:409
#2 0xc0667ae9 in panic (fmt=Variable "fmt" is not available.
) at ../../../kern/kern_shutdown.c:563
#3 0xc083051c in trap_fatal (frame=0xf13fdbe0, eva=20) at ../../../i386/i386/trap.c:899
#4 0xc0830780 in trap_pfault (frame=0xf13fdbe0, usermode=0, eva=20) at ../../../i386/i386/trap.c:812
#5 0xc0831139 in trap (frame=0xf13fdbe0) at ../../../i386/i386/trap.c:490
#6 0xc0817f9b in calltrap () at ../../../i386/i386/exception.s:139
#7 0xc082e6e6 in generic_bcopy () at ../../../i386/i386/support.s:498
Previous frame inner to this frame (corrupt stack?)
(kgdb) list 0xc082e6e6
Function "0xc082e6e6" not defined.
(kgdb) list *0xc082e6e6
0xc082e6e6 is at ../../../i386/i386/support.s:499.
494 cmpl %ecx,%eax /* overlapping && src < dst? */
495 jb 1f
496
497 shrl $2,%ecx /* copy by 32-bit words */
498 cld /* nope, copy forwards */
499 rep
500 movsl
501 movl 20(%esp),%ecx
502 andl $3,%ecx /* any bytes left? */
503 rep
(kgdb)
# cat /var/run/dmesg.boot
CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ (2010.32-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x40fb2 Stepping = 2
Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
Features2=0x2001<SSE3,CX16>
AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+,3DNow!>
AMD Features2=0x1f<LAHF,CMP,SVM,ExtAPIC,CR8>
Cores per package: 2
real memory = 536805376 (511 MB)
avail memory = 514695168 (490 MB)
ACPI APIC Table: <Nvidia AWRDACPI>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
<<<< skip >>>>
puc0: <NetMos NM9845 Quad UART and 1284 Printer port> port 0xb400-0xb407,0xb000-0xb007,0xac00-0xac07,0xa800-0xa807,0xa400-0xa407,0xa000-0xa00f irq 18 at device 10.0 on pci1
puc0: [FILTER]
sio0 on puc0
sio0: type 16550A
sio0: [FILTER]
sio1 on puc0
sio1: type 16550A
sio1: [FILTER]
sio2 on puc0
sio2: type 16550A
sio2: [FILTER]
sio3 on puc0
sio3: type 16550A
sio3: [FILTER]
ppc0: <Parallel port> on puc0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
# pciconf -l
none0 at pci0:0:0:0: class=0x050000 card=0xcb8410de chip=0x036910de rev=0xa1 hdr=0x00
isab0 at pci0:0:1:0: class=0x060100 card=0x34051565 chip=0x036310de rev=0xa2 hdr=0x00
none1 at pci0:0:1:1: class=0x0c0500 card=0x34051565 chip=0x036810de rev=0xa2 hdr=0x00
none2 at pci0:0:1:2: class=0x050000 card=0x34051565 chip=0x036a10de rev=0xa2 hdr=0x00
ohci0 at pci0:0:2:0: class=0x0c0310 card=0x34051565 chip=0x036c10de rev=0xa1 hdr=0x00
ehci0 at pci0:0:2:1: class=0x0c0320 card=0x34051565 chip=0x036d10de rev=0xa2 hdr=0x00
atapci0 at pci0:0:4:0: class=0x01018a card=0x34051565 chip=0x036e10de rev=0xa1 hdr=0x00
atapci1 at pci0:0:5:0: class=0x010185 card=0x54031565 chip=0x037f10de rev=0xa2 hdr=0x00
atapci2 at pci0:0:5:1: class=0x010185 card=0x54031565 chip=0x037f10de rev=0xa2 hdr=0x00
pcib1 at pci0:0:6:0: class=0x060401 card=0x00000000 chip=0x037010de rev=0xa2 hdr=0x01
none3 at pci0:0:6:1: class=0x040300 card=0x820a1565 chip=0x037110de rev=0xa2 hdr=0x00
nfe0 at pci0:0:8:0: class=0x068000 card=0x25031565 chip=0x037310de rev=0xa2 hdr=0x00
pcib2 at pci0:0:11:0: class=0x060400 card=0x000010de chip=0x037410de rev=0xa2 hdr=0x01
pcib3 at pci0:0:12:0: class=0x060400 card=0x000010de chip=0x037410de rev=0xa2 hdr=0x01
pcib4 at pci0:0:13:0: class=0x060400 card=0x000010de chip=0x037810de rev=0xa2 hdr=0x01
pcib5 at pci0:0:14:0: class=0x060400 card=0x000010de chip=0x037510de rev=0xa2 hdr=0x01
pcib6 at pci0:0:15:0: class=0x060400 card=0x000010de chip=0x037710de rev=0xa2 hdr=0x01
hostb0 at pci0:0:24:0: class=0x060000 card=0x00000000 chip=0x11001022 rev=0x00 hdr=0x00
hostb1 at pci0:0:24:1: class=0x060000 card=0x00000000 chip=0x11011022 rev=0x00 hdr=0x00
hostb2 at pci0:0:24:2: class=0x060000 card=0x00000000 chip=0x11021022 rev=0x00 hdr=0x00
hostb3 at pci0:0:24:3: class=0x060000 card=0x00000000 chip=0x11031022 rev=0x00 hdr=0x00
vgapci0 at pci0:1:7:0: class=0x030000 card=0x8a015333 chip=0x8a015333 rev=0x01 hdr=0x00
rl0 at pci0:1:8:0: class=0x020000 card=0x813910ec chip=0x813910ec rev=0x10 hdr=0x00
vr0 at pci0:1:9:0: class=0x020000 card=0x14051186 chip=0x31061106 rev=0x86 hdr=0x00
puc0 at pci0:1:10:0: class=0x070002 card=0x00041000 chip=0x98459710 rev=0x01 hdr=0x00
Kernel options:
options SMP
options SCHED_4BSD
options PREEMPTION
options IPFIREWALL
options IPFIREWALL_FORWARD
options IPFIREWALL_VERBOSE
options IPFIREWALL_VERBOSE_LIMIT=5
options IPDIVERT
options IPFILTER
options DUMMYNET
options MSIZE=256
options TTYHOG=4096
options DEVICE_POLLING
options HZ=1000
options GEOM_MIRROR
options NETGRAPH
options NETGRAPH_SOCKET
options NETGRAPH_IFACE
options NETGRAPH_PPP
options NETGRAPH_BPF
options NETGRAPH_VJC
options NETGRAPH_KSOCKET
device acpi
device puc
>How-To-Repeat:
Use NetMos NM9845 Quad UART as multiport for dial-in server.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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