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Date: Thu, 2 Aug 2007 18:08:17 GMT
From: Alex Povolotsky <tarkhil@over.ru>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Sil 3512 SATA controller panics on 6.2
X-Send-Pr-Version: www-3.0

>Number:         115152
>Category:       kern
>Synopsis:       [ata] Sil 3512 SATA controller panics on 6.2
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Aug 02 18:10:01 GMT 2007
>Closed-Date:    Sun Mar 11 08:23:09 UTC 2012
>Last-Modified:  Sun Mar 11 08:23:09 UTC 2012
>Originator:     Alex Povolotsky
>Release:        6.2-RELEASE
>Organization:
>Environment:
FreeBSD dbill.test.ru 6.2-STABLE FreeBSD 6.2-STABLE #0: Thu Jul 26 10:27:14 MSD 2007     root@dbill.test.ru:/usr/obj/usr/src/sys/DBILL  i386

>Description:
SATA disk connected to SiL 3512 SATA controller causes panic under moderate load.

Here is my coredump backtrace:

Unread portion of the kernel message buffer:
ad6: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=18829695


Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x28
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0xc0695b74
stack pointer           = 0x28:0xd568ec28
frame pointer           = 0x28:0xd568ec30
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         = 18 (thread taskq)
trap number             = 12
panic: page fault
Uptime: 38m41s
Dumping 511 MB (2 chunks)
 chunk 0: 1MB (160 pages) ... ok
 chunk 1: 511MB (130800 pages) 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:165
165     pcpu.h: No such file or directory.
       in pcpu.h
(kgdb) bt
#0  doadump () at pcpu.h:165
#1  0xc06827ea in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
#2  0xc0682a80 in panic (fmt=0xc08f6895 "%s") at /usr/src/sys/kern/kern_shutdown.c:565
#3  0xc08985f4 in trap_fatal (frame=0xd568ebe8, eva=40) at /usr/src/sys/i386/i386/trap.c:837
#4  0xc089835b in trap_pfault (frame=0xd568ebe8, usermode=0, eva=40)
   at /usr/src/sys/i386/i386/trap.c:745
#5  0xc0897f99 in trap (frame=
     {tf_fs = -1064435704, tf_es = -714604504, tf_ds = -1064239064, tf_edi = -1004877952, tf_esi = 0, tf_ebp = -714544080, tf_isp = -714544108, tf_ebx = -1004877952, tf_edx = 2, tf_ecx = -1019514112, tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = -1066837132, tf_cs = 32, tf_eflags = 590406, tf_esp = -1004877952, tf_ss = 0}) at /usr/src/sys/i386/i386/trap.c:435
#6  0xc08856ca in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7  0xc0695b74 in devclass_sysctl_init (dc=0x0) at /usr/src/sys/kern/subr_bus.c:215
#8  0xc0695cf0 in device_sysctl_init (dev=0xc41ac780) at /usr/src/sys/kern/subr_bus.c:280
#9  0xc0697b7a in device_attach (dev=0xc41ac780) at /usr/src/sys/kern/subr_bus.c:2375
#10 0xc0697b64 in device_probe_and_attach (dev=0xc41ac780)
   at /usr/src/sys/kern/subr_bus.c:2346
#11 0xc069844a in bus_generic_attach (dev=0x0) at /usr/src/sys/kern/subr_bus.c:2883
#12 0xc04c6814 in ata_identify (dev=0xc3404080) at /usr/src/sys/dev/ata/ata-all.c:718
#13 0xc04c7462 in ata_sata_phy_event (context=0xc3cc6de0, dummy=1)
   at /usr/src/sys/dev/ata/ata-chipset.c:273
#14 0xc06a1e9b in taskqueue_run (queue=0xc3301d00) at /usr/src/sys/kern/subr_taskqueue.c:257
#15 0xc06a22d6 in taskqueue_thread_loop (arg=0x0) at /usr/src/sys/kern/subr_taskqueue.c:376
#16 0xc066c9d4 in fork_exit (callout=0xc06a2268 <taskqueue_thread_loop>, arg=0xc09f8ba8,
   frame=0xd568ed38) at /usr/src/sys/kern/kern_fork.c:830
#17 0xc088572c in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:208

dmesg.boot:

Copyright (c) 1992-2007 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
       The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 6.2-STABLE #0: Thu Jul 26 10:27:14 MSD 2007
   root@dbill.test.ru:/usr/obj/usr/src/sys/DBILL
ACPI APIC Table: <GBT    AWRDACPI>
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2411.60-MHz 686-class CPU)
 Origin = "GenuineIntel"  Id = 0xf24  Stepping = 4
 
Features=0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,
HTT,TM>
real memory  = 536805376 (511 MB)
avail memory = 515887104 (491 MB)
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: <GBT AWRDACPI> on motherboard
acpi0: Power Button (fixed)
cpu0: <ACPI CPU> on acpi0
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff,0x4000-0x40bf on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82845G host to AGP bridge> mem 0xd0000000-0xd7ffffff at device 0.0 on pci0
pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0xb800-0xb81f irq 16 at device 29.0 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82801DB (ICH4) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0xb000-0xb01f irq 19 at device 29.1 on pci0
uhci1: [GIANT-LOCKED]
usb1: <Intel 82801DB (ICH4) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2: <Intel 82801DB (ICH4) USB controller USB-C> port 0xb400-0xb41f irq 18 at device 29.2 on pci0
uhci2: [GIANT-LOCKED]
usb2: <Intel 82801DB (ICH4) USB controller USB-C> on uhci2
usb2: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
ehci0: <Intel 82801DB/L/M (ICH4) USB 2.0 controller> mem 0xe4000000-0xe40003ff irq 23 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
usb3: EHCI version 1.0
usb3: companion controllers, 2 ports each: usb0 usb1 usb2
usb3: <Intel 82801DB/L/M (ICH4) USB 2.0 controller> on ehci0
usb3: USB revision 2.0
uhub3: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub3: 6 ports with 6 removable, self powered
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci2: <ACPI PCI bus> on pcib2
rl0: <RealTek 8139 10/100BaseTX> port 0x9000-0x90ff mem 0xe3000000-0xe30000ff irq 22 at device 2.0 on pci2
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl0: Ethernet address: 00:50:22:82:db:6c
atapci0: <SiI 3512 SATA150 controller> port 0x9400-0x9407,0x9800-0x9803,0x9c00-0x9c07,0xa000-0xa003,0xa400-0xa40f mem 0xe3001000-0xe
30011ff irq 18 at device 4.0 on pci2
ata2: <ATA channel 0> on atapci0
ata3: <ATA channel 1> on atapci0
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci1: <Intel ICH4 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xf000-0xf00f at device 31.1 on pci0
ata0: <ATA channel 0> on atapci1
ata1: <ATA channel 1> on atapci1
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
pci0: <multimedia, audio> at device 31.5 (no driver attached)
fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FAST]
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
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
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
pmtimer0 on isa0
orm0: <ISA Option ROM> at iomem 0xcc000-0xd07ff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounter "TSC" frequency 2411602732 Hz quality 800
Timecounters tick every 1.000 msec
ad0: 38166MB <MAXTOR STM3402111A 3.AAJ> at ata0-master UDMA100
ad6: 476940MB <Seagate ST3500630NS 3.AEG> at ata3-master SATA150

>How-To-Repeat:
Connect disk and start to fill it with data
>Fix:
Use other hardware

>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-i386->freebsd-bugs 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Mon Sep 17 03:40:52 UTC 2007 
Responsible-Changed-Why:  
This does not sound i386-specific. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=115152 

From: Ted Mittelstaedt <tedm@ipinc.net>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/115152: [ata] Sil 3512 SATA controller panics on 6.2
Date: Wed, 07 Jul 2010 12:20:22 -0700

 We have the same general problem with this controller
 under FreeBSD 8.0.  We get numerous
 
 TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=XXXXXXX
 
 on the system with moderate to heavy load on the controller,
 and eventually the system locks up.  Interestingly, the
 problem didn't happen with OLDer SATA150 disks plugged into
 the controller, but 150GB hard drives aren't that useable
 nowadays.
 
 There's been numerous postings on the mailing list about
 these controllers.  Linux does not appear to have difficulty
 with them so people seem to move these systems to Linux servers.
 
 Here's the dmesg from our system, the system has since been
 rehomed to Linux:
 
 nas1# dmesg
 Copyright (c) 1992-2009 The FreeBSD Project.
 Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
          The Regents of the University of California. All rights reserved.
 FreeBSD is a registered trademark of The FreeBSD Foundation.
 FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:48:17 UTC 2009
      root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
 Timecounter "i8254" frequency 1193182 Hz quality 0
 CPU: Intel Pentium III (937.55-MHz 686-class CPU)
    Origin = "GenuineIntel"  Id = 0x68a  Stepping = 10
  
 Features=0x387fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,PN,MMX,FXSR,SSE>
 real memory  = 1073741824 (1024 MB)
 avail memory = 1036361728 (988 MB)
 ACPI APIC Table: <ASUS   CUV4X-D >
 FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 FreeBSD/SMP: 2 package(s) x 1 core(s)
   cpu0 (BSP): APIC ID:  3
   cpu1 (AP): APIC ID:  0
 ioapic0 <Version 1.1> irqs 0-23 on motherboard
 kbd1 at kbdmux0
 acpi0: <ASUS CUV4X-D> on motherboard
 acpi0: [ITHREAD]
 acpi0: Power Button (fixed)
 acpi0: reservation of 0, a0000 (3) failed
 acpi0: reservation of 100000, 3ff00000 (3) failed
 Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
 acpi_timer0: <24-bit timer at 3.579545MHz> port 0xe408-0xe40b on acpi0
 acpi_button0: <Power Button> on acpi0
 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
 pci0: <ACPI PCI bus> on pcib0
 agp0: <VIA 82C691 (Apollo Pro) host to PCI bridge> on hostb0
 agp0: aperture size is 256M
 pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
 pci1: <ACPI PCI bus> on pcib1
 vgapci0: <VGA-compatible display> port 0xd800-0xd8ff mem 
 0xf8000000-0xfbffffff,0xf6000000-0xf6003fff irq 16 at device 0.0 on pci1
 isab0: <PCI-ISA bridge> at device 4.0 on pci0
 isa0: <ISA bus> on isab0
 atapci0: <VIA 82C686B UDMA100 controller> port 
 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xb800-0xb80f at device 4.1 on pci0
 ata0: <ATA channel 0> on atapci0
 ata0: [ITHREAD]
 ata1: <ATA channel 1> on atapci0
 ata1: [ITHREAD]
 uhci0: <VIA 83C572 USB controller> port 0xb400-0xb41f irq 5 at device 
 4.2 on pci0
 uhci0: [ITHREAD]
 usbus0: <VIA 83C572 USB controller> on uhci0
 uhci1: <VIA 83C572 USB controller> port 0xb000-0xb01f irq 5 at device 
 4.3 on pci0
 uhci1: [ITHREAD]
 usbus1: <VIA 83C572 USB controller> on uhci1
 fxp0: <Intel 82557 Pro/100 Ethernet> port 0xa800-0xa81f mem 
 0xf7000000-0xf7000fff,0xf5800000-0xf58fffff at device 10.0 on pci0
 fxp0: Enabling Rx lock-up workaround
 miibus0: <MII bus> on fxp0
 nsphy0: <DP83840 10/100 media interface> PHY 1 on miibus0
 nsphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 fxp0: Ethernet address: 00:a0:c9:39:0f:cc
 fxp0: [ITHREAD]
 atapci1: <SiI 3512 SATA150 controller> port 
 0xa400-0xa407,0xa000-0xa003,0x9800-0x9807,0x9400-0x9403,0x9000-0x900f 
 mem 0xf5000000-0xf50001ff irq 17 at device 11.0 on pci0
 atapci1: [ITHREAD]
 ata2: <ATA channel 0> on atapci1
 ata2: [ITHREAD]
 ata3: <ATA channel 1> on atapci1
 ata3: [ITHREAD]
 sym0: <810a> port 0x8800-0x88ff mem 0xf4800000-0xf48000ff irq 16 at 
 device 12.0 on pci0
 sym0: No NVRAM, ID 7, Fast-10, SE, parity checking
 sym0: [ITHREAD]
 atrtc0: <AT realtime clock> port 0x70-0x73 irq 8 on acpi0
 fdc0: <floppy drive controller> port 0x3f2-0x3f5,0x3f7 irq 6 drq 2 on acpi0
 fdc0: [FILTER]
 fd0: <1440-KB 3.5" drive> on fdc0 drive 0
 ppc0: <Parallel port> port 0x378-0x37f,0x778-0x77b irq 7 drq 3 on acpi0
 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
 ppc0: FIFO with 16/16/8 bytes threshold
 ppc0: [ITHREAD]
 ppbus0: <Parallel port bus> on ppc0
 plip0: <PLIP network interface> on ppbus0
 plip0: [ITHREAD]
 lpt0: <Printer> on ppbus0
 lpt0: [ITHREAD]
 lpt0: Interrupt-driven port
 ppi0: <Parallel I/O> on ppbus0
 uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
 uart0: [FILTER]
 uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0
 uart1: [FILTER]
 atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
 atkbd0: <AT Keyboard> irq 1 on atkbdc0
 kbd0 at atkbd0
 atkbd0: [GIANT-LOCKED]
 atkbd0: [ITHREAD]
 psm0: <PS/2 Mouse> irq 12 on atkbdc0
 psm0: [GIANT-LOCKED]
 psm0: [ITHREAD]
 psm0: model Generic PS/2 mouse, device ID 0
 cpu0: <ACPI CPU> on acpi0
 cpu1: <ACPI CPU> on acpi0
 pmtimer0 on isa0
 orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xcc000-0xd0fff pnpid 
 ORM0000 on isa0
 sc0: <System console> at flags 0x100 on isa0
 sc0: VGA <16 virtual consoles, flags=0x300>
 vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
 Timecounters tick every 1.000 msec
 usbus0: 12Mbps Full Speed USB v1.0
 usbus1: 12Mbps Full Speed USB v1.0
 acd0: CDROM <CRD-8322B/1.06> at ata1-master PIO4
 ad4: 1907729MB <Hitachi HDS722020ALA330 JKAOA3EA> at ata2-master SATA150
 ugen0.1: <VIA> at usbus0
 uhub0: <VIA UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
 ugen1.1: <VIA> at usbus1
 uhub1: <VIA UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
 ad6: 1907729MB <Hitachi HDS722020ALA330 JKAOA3EA> at ata3-master SATA150
 Waiting 5 seconds for SCSI devices to settle
 uhub0: 2 ports with 2 removable, self powered
 uhub1: 2 ports with 2 removable, self powered
 GEOM: ad4s1: geometry does not match label (255h,63s != 16h,63s).
 (probe6:sym0:0:6:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
 (probe6:sym0:0:6:0): CAM Status: SCSI Status Error
 (probe6:sym0:0:6:0): SCSI Status: Check Condition
 (probe6:sym0:0:6:0): UNIT ATTENTION asc:29,0
 (probe6:sym0:0:6:0): Power on, reset, or bus device reset occurred
 (probe6:sym0:0:6:0): Retrying Command (per Sense Data)
 (probe6:sym0:0:6:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
 (probe6:sym0:0:6:0): CAM Status: SCSI Status Error
 (probe6:sym0:0:6:0): SCSI Status: Check Condition
 (probe6:sym0:0:6:0): NOT READY asc:3a,0
 (probe6:sym0:0:6:0): Medium not present
 (probe6:sym0:0:6:0): Unretryable error
 sa0 at sym0 bus 0 target 6 lun 0
 sa0: <HP C1553A 9503> Removable Sequential Access SCSI-2 device
 sa0: 10.000MB/s transfers (10.000MHz, offset 8)
 sa1 at sym0 bus 0 target 6 lun 1
 sa1: <HP C1553A 9503> Removable Sequential Access SCSI-2 device
 sa1: 10.000MB/s transfers (10.000MHz, offset 8)
 ar0: 1907729MB <FreeBSD PseudoRAID RAID1> status: DEGRADED
 ar0: disk0 DOWN no device found for this subdisk
 ar0: disk1 READY (mirror) using ad4 at ata2-master
 SMP: AP CPU #1 Launched!
 Trying to mount root from ufs:/dev/ar0s1a
 ad6: inserted into ar0 disk0 as spare
 ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=753183
 ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=753183
 ad4: TIMEOUT - WRITE_DMA retrying (0 retries left) LBA=753183
 ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=773599
 ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=753183
 ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=753183
 ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=752839
 ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=752839
 ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=287
 ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=10953023
 ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=752839
State-Changed-From-To: open->feedback 
State-Changed-By: jh 
State-Changed-When: Sat Mar 10 08:52:44 UTC 2012 
State-Changed-Why:  
Can you still reproduce this on recent FreeBSD versions? 

http://www.freebsd.org/cgi/query-pr.cgi?pr=115152 
State-Changed-From-To: feedback->closed 
State-Changed-By: jh 
State-Changed-When: Sun Mar 11 08:23:08 UTC 2012 
State-Changed-Why:  
Closed at submitter's request. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=115152 
>Unformatted:
