kern/88555: panic: ffs_blkfree: freeing free frag on AMD 64

Fernando Schapachnik fernando at schapachnik.com.ar
Sun Nov 6 09:30:17 PST 2005 

>Number:         88555
>Category:       kern
>Synopsis:       panic: ffs_blkfree: freeing free frag on AMD 64
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Nov 06 17:30:15 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Fernando Schapachnik
>Release:        FreeBSD 6.0-STABLE amd64
>Organization:
>Environment:
System: FreeBSD funes.schapachnik.com.ar 6.0-STABLE FreeBSD 6.0-STABLE #17: Sat Nov 5 12:35:42 ART 2005 root at funes.schapachnik.com.ar:/usr/obj/usr/src/sys/FUNES2 amd64


	
>Description:

	Machine rebooted, so backgroup fsck started. Working with vi on a file in /home. Then:

Unread portion of the kernel message buffer:
dev = ad4s1f, block = 5867096, fs = /home
panic: ffs_blkfree: freeing free frag

Dumping 991 MB (2 chunks)
  chunk 0: 1MB (159 pages) ... ok
  chunk 1: 991MB (253648 pages) 975 959 943 927 911 895 879 863 847 831 815 799 (CTRL-C to abort)  783 767 751 735 719 703 687 671 655 (CTRL-C to abort)  639 (CTRL-C to abort)  623 (CTRL-C to abort)  (CTRL-C to abort)  (CTRL-C to abort)  607 591 575 559 543 527 511 495 479 463 447 431 415 399 383 367 351 335 319 303 287 271 255 239 223 207 191 175 159 143 127 111 95 79 63 47 31 15

#0  doadump () at pcpu.h:172
172     pcpu.h: No such file or directory.
        in pcpu.h

Backtrace:
#0  doadump () at pcpu.h:172
#1  0x0000000000000004 in ?? ()
#2  0xffffffff803b3f37 in boot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:399
#3  0xffffffff803b45b6 in panic (fmt=0xffffff002cb714c0 "")
    at /usr/src/sys/kern/kern_shutdown.c:555
#4  0xffffffff805193ba in ffs_blkfree (ump=0xffffff002fb5d800,
    fs=0xffffff002fbce000, devvp=0x8938, bno=1, size=6144, inum=2512154624)
    at /usr/src/sys/ufs/ffs/ffs_alloc.c:1877
#5  0xffffffff8051c9fa in sysctl_ffs_fsck (oidp=0x3, arg1=0x0, arg2=0,
    req=0x0) at /usr/src/sys/ufs/ffs/ffs_alloc.c:2472
#6  0xffffffff803bd91e in sysctl_root (oidp=0x0, arg1=0xffffffffa6c32b0c,
    arg2=0, req=0xffffffffa6c32a30) at /usr/src/sys/kern/kern_sysctl.c:1248
#7  0xffffffff803bddb4 in userland_sysctl (td=0xffffff002cb714c0,
    name=0xffffffffa6c32b00, namelen=3, old=0x0, oldlenp=0x0, inkernel=0,
    new=0x512620, newlen=0, retval=0xffffffffa6c32af8, flags=0)
    at /usr/src/sys/kern/kern_sysctl.c:1347
#8  0xffffffff803bdf5b in __sysctl (td=0xffffff002cb714c0,
    uap=0xffffffffa6c32bc0) at /usr/src/sys/kern/kern_sysctl.c:1282
#9  0xffffffff8057fcd1 in syscall (frame=
      {tf_rdi = 5316308, tf_rsi = 3, tf_rdx = 0, tf_rcx = 0, tf_r8 = 5318176, tf_r9 = 32, tf_rax = 202, tf_rbx = 5867176, tf_rbp = 3, tf_r10 = 8, tf_r11 = 2, tf_r12 = 1, tf_r13 = 0, tf_r14 = 5867176, tf_r15 = 5867096, tf_trapno ---Type <return> to continue, or q <return> to quit---
= 12, tf_addr = 140737488297984, tf_flags = 0, tf_err = 2, tf_rip = 34366589788, tf_cs = 43, tf_rflags = 514, tf_rsp = 140737488283736, tf_ss = 35})
    at /usr/src/sys/amd64/amd64/trap.c:787
#10 0xffffffff8056ec08 in Xfast_syscall ()
    at /usr/src/sys/amd64/amd64/exception.S:270
#11 0x0000000800688b5c in ?? ()
Previous frame inner to this frame (corrupt stack?)

dmesg

Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD 6.0-STABLE #17: Sat Nov  5 12:35:42 ART 2005
    root at funes.schapachnik.com.ar:/usr/obj/usr/src/sys/FUNES2
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) 64 Processor 2800+ (1804.09-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0xf4a  Stepping = 10
  Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
  AMD Features=0xe0500800<SYSCALL,NX,MMX+,LM,3DNow+,3DNow>
real memory  = 1039990784 (991 MB)
avail memory = 992620544 (946 MB)
ACPI APIC Table: <A M I  OEMAPIC >
ioapic0 <Version 1.4> irqs 0-23 on motherboard
acpi0: <A M I OEMRSDT> on motherboard
acpi0: Power Button (fixed)
pci_link0: <ACPI PCI Link LNKA> irq 0 on acpi0
pci_link1: <ACPI PCI Link LNKB> irq 11 on acpi0
pci_link2: <ACPI PCI Link LNKC> irq 10 on acpi0
pci_link3: <ACPI PCI Link LNKD> irq 5 on acpi0
pci_link4: <ACPI PCI Link LNKE> irq 5 on acpi0
pci_link5: <ACPI PCI Link LNKF> irq 5 on acpi0
pci_link6: <ACPI PCI Link LNKG> irq 3 on acpi0
pci_link7: <ACPI PCI Link LNKH> irq 5 on acpi0
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
cpu0: <ACPI CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 2.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <SiS 965 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf at device 2.5 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
pcm0: <SiS 7012> port 0xd400-0xd4ff,0xd000-0xd07f irq 18 at device 2.7 on pci0
pcm0: [GIANT-LOCKED]
pcm0: <Analog Devices AD1888 AC97 Codec>
ohci0: <SiS 5571 USB controller> mem 0xfebf4000-0xfebf4fff irq 20 at device 3.0 on pci0
ohci0: [GIANT-LOCKED]
usb0: OHCI version 1.0, legacy support
usb0: <SiS 5571 USB controller> on ohci0
usb0: USB revision 1.0
uhub0: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
ohci1: <SiS 5571 USB controller> mem 0xfebf5000-0xfebf5fff irq 21 at device 3.1 on pci0
ohci1: [GIANT-LOCKED]
usb1: OHCI version 1.0, legacy support
usb1: <SiS 5571 USB controller> on ohci1
usb1: USB revision 1.0
uhub1: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 3 ports with 3 removable, self powered
ohci2: <SiS 5571 USB controller> mem 0xfebf6000-0xfebf6fff irq 22 at device 3.2 on pci0
ohci2: [GIANT-LOCKED]
usb2: OHCI version 1.0, legacy support
usb2: <SiS 5571 USB controller> on ohci2
usb2: USB revision 1.0
uhub2: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xfebf7000-0xfebf7fff irq 23 at device 3.3 on pci0
ehci0: [GIANT-LOCKED]
usb3: EHCI version 1.0
usb3: companion controllers, 3 ports each: usb0 usb1 usb2
usb3: <EHCI (generic) USB 2.0 controller> on ehci0
usb3: USB revision 2.0
uhub3: SiS EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub3: 8 ports with 8 removable, self powered
pci0: <network, ethernet> at device 4.0 (no driver attached)
atapci1: <SiS 182 SATA150 controller> port 0xec00-0xec07,0xe800-0xe803,0xe400-0xe407,0xe000-0xe003,0xdc00-0xdc0f,0xd800-0xd87f irq 17 at device 5.0 on pci0
ata2: <ATA channel 0> on atapci1
ata3: <ATA channel 1> on atapci1
pcib2: <ACPI PCI-PCI bridge> at device 6.0 on pci0
pci2: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> at device 7.0 on pci0
pci3: <ACPI PCI bus> on pcib3
rl0: <RealTek 8139 10/100BaseTX> port 0xc800-0xc8ff mem 0xfebf3800-0xfebf38ff irq 17 at device 10.0 on pci0
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl0: Ethernet address: 00:50:bf:09:83:ea
acpi_button0: <Power Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model IntelliMouse, device ID 3
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
fdc0: <floppy drive controller (FDE)> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
ppc0: <Standard parallel printer port> port 0x378-0x37f irq 7 on acpi0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xc8000-0xcffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounter "TSC" frequency 1804093781 Hz quality 800
Timecounters tick every 1.000 msec
acd0: CDRW <HL-DT-ST GCE-8526B/1.04> at ata0-master UDMA33
ad2: DMA limited to UDMA33, controller found non-ATA66 cable
ad2: 9641MB <Maxtor 91021U2 FA520860> at ata1-master UDMA33
ad4: 76319MB <WDC WD800JD-00LUA0 06.01D06> at ata2-master SATA150
Trying to mount root from ufs:/dev/ad4s1a
WARNING: / was not properly dismounted
rl0: link state changed to UP

	
>How-To-Repeat:

	See above.
	
>Fix:

	


>Release-Note:
>Audit-Trail:
>Unformatted:

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