Re: kern/45829: writing to vnd on sparse file blocks on pager_map

To: gnats-bugs%netbsd.org@localhost
Subject: Re: kern/45829: writing to vnd on sparse file blocks on pager_map
From: Takahiro Hayashi <t.hash000%gmail.com@localhost>
Date: Fri, 13 Jan 2012 22:08:53 +0900
>  As I'm not able to reproduce it here, please add more info:
>
>  - dmesg
>  - mount -v
>  - which of your file systems holds the sparse image

Thank you for your response.
I mount / with -o log,noatime,nodevmtime and the sparse image
is on it.

Note: I overwrite ethernet address of re0 in /etc/rc.conf.
    Some boards remember the overwritten address, that's why
    enaddr of re0 in dmesg is xen's one.

# dmesg
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 5.99.59 (MONOLITHIC) #0: Wed Jan 11 16:24:49 UTC 2012
        
builds%b8.netbsd.org@localhost:/home/builds/ab/HEAD/i386/201201110930Z-obj/home/builds/ab/HEAD/src/sys/arch/i386/compile/MONOLITHIC
total memory = 501 MB
avail memory = 480 MB
timecounter: Timecounters tick every 10.000 msec
RTC BIOS diagnostic error 0x80<clock_battery>
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
                                                                  (
                    )
mainbus0 (root)
cpu0 at mainbus0 apid 0: Intel(R) Atom(TM) CPU  230   @ 1.60GHz, id 0x106c2
cpu1 at mainbus0 apid 1: Intel(R) Atom(TM) CPU  230   @ 1.60GHz, id 0x106c2
ioapic0 at mainbus0 apid 2: pa 0xfec00000, version 20, 24 pins
acpi0 at mainbus0: Intel ACPICA 20110623
acpi0: X/RSDT: OemId <INTEL ,D945GLF ,00000026>, AslId <    ,01000013>
acpi0: SCI interrupting at int 9
timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000
hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400)
timecounter: Timecounter "hpet0" frequency 14318180 Hz quality 2000
acpibut0 at acpi0 (SLPB, PNP0C0E): ACPI Sleep Button
IOCM (PNP0C02) at acpi0 not configured
npx1 at acpi0 (FPU, PNP0C04): io 0xf0 irq 13
npx1: reported by CPUID; using exception 16
attimer1 at acpi0 (TMR, PNP0100): io 0x40-0x43,0x50-0x53 irq 0
pcppi1 at acpi0 (SPKR, PNP0800): io 0x61
midi0 at pcppi1: PC speaker
sysbeep0 at pcppi1
XTRA (PNP0C02) at acpi0 not configured
XTR2 (PNP0C02) at acpi0 not configured
FDC0 (PNP0700) at acpi0 not configured
UAR1 (PNP0501) at acpi0 not configured
APIC (PNP0003) at acpi0 not configured
apm0 at acpi0: Power Management spec V1.2
attimer1: attached to pcppi1
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0: vendor 0x8086 product 0x2770 (rev. 0x02)
agp0 at pchb0: detected 7932k stolen memory
agp0: aperture at 0x20000000, size 0x10000000
vga1 at pci0 dev 2 function 0: vendor 0x8086 product 0x2772 (rev. 0x02)
wsdisplay0 at vga1 kbdmux 1
wsmux1: connecting to wsdisplay0
i915drm0 at vga1: Intel i945G
i915drm0: AGP at 0x20000000 256MB
i915drm0: Initialized i915 1.6.0 20080730
hdaudio0 at pci0 dev 27 function 0: HD Audio Controller
hdaudio0: interrupting at ioapic0 pin 22
hdafg0 at hdaudio0: Realtek ALC662
hdafg0: DAC00 2ch: Speaker [Jack]
hdafg0: DAC01 2ch: HP Out [Jack]
hdafg0: ADC02 2ch: Line In [Jack], Mic In [Jack]
hdafg0: ADC03 2ch: Mic In [Jack]
hdafg0: 2ch/2ch 44100Hz 48000Hz 96000Hz PCM16 PCM20 PCM24 AC3
audio0 at hdafg0: full duplex, playback, capture, independent
ppb0 at pci0 dev 28 function 0: vendor 0x8086 product 0x27d0 (rev. 0x01)
ppb0: PCI Express 1.0 <Root Port of PCI-E Root Complex>
pci1 at ppb0 bus 1
pci1: i/o space, memory space enabled, rd/line, wr/inv ok
re0 at pci1 dev 0 function 0: RealTek 8100E/8101E/8102E/8102EL PCIe
10/100BaseTX (rev. 0x02)
re0: interrupting at ioapic0 pin 16
re0: Ethernet address 00:16:3e:00:00:f2
re0: using 256 tx descriptors
rlphy0 at re0 phy 7: RTL8201L 10/100 media interface, rev. 1
rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
ppb1 at pci0 dev 28 function 2: vendor 0x8086 product 0x27d4 (rev. 0x01)
ppb1: PCI Express 1.0 <Root Port of PCI-E Root Complex>
pci2 at ppb1 bus 2
pci2: i/o space, memory space enabled, rd/line, wr/inv ok
ppb2 at pci0 dev 28 function 3: vendor 0x8086 product 0x27d6 (rev. 0x01)
ppb2: PCI Express 1.0 <Root Port of PCI-E Root Complex>
pci3 at ppb2 bus 3
pci3: i/o space, memory space enabled, rd/line, wr/inv ok
uhci0 at pci0 dev 29 function 0: vendor 0x8086 product 0x27c8 (rev. 0x01)
uhci0: interrupting at ioapic0 pin 23
usb0 at uhci0: USB revision 1.0
uhci1 at pci0 dev 29 function 1: vendor 0x8086 product 0x27c9 (rev. 0x01)
uhci1: interrupting at ioapic0 pin 19
usb1 at uhci1: USB revision 1.0
uhci2 at pci0 dev 29 function 2: vendor 0x8086 product 0x27ca (rev. 0x01)
uhci2: interrupting at ioapic0 pin 18
usb2 at uhci2: USB revision 1.0
uhci3 at pci0 dev 29 function 3: vendor 0x8086 product 0x27cb (rev. 0x01)
uhci3: interrupting at ioapic0 pin 16
usb3 at uhci3: USB revision 1.0
ehci0 at pci0 dev 29 function 7: vendor 0x8086 product 0x27cc (rev. 0x01)
ehci0: interrupting at ioapic0 pin 23
ehci0: EHCI version 1.0
ehci0: companion controllers, 2 ports each: uhci0 uhci1 uhci2 uhci3
usb4 at ehci0: USB revision 2.0
ppb3 at pci0 dev 30 function 0: vendor 0x8086 product 0x244e (rev. 0xe1)
pci4 at ppb3 bus 4
pci4: i/o space, memory space enabled
ichlpcib0 at pci0 dev 31 function 0: vendor 0x8086 product 0x27b8 (rev. 0x01)
timecounter: Timecounter "ichlpcib0" frequency 3579545 Hz quality 1000
ichlpcib0: 24-bit timer
ichlpcib0: TCO (watchdog) timer configured.
gpio0 at ichlpcib0: 64 pins
piixide0 at pci0 dev 31 function 1: Intel 82801GB/GR IDE Controller
(ICH7) (rev. 0x01)
piixide0: bus-master DMA support present
piixide0: primary channel configured to compatibility mode
piixide0: primary channel interrupting at ioapic0 pin 14
atabus0 at piixide0 channel 0
piixide0: secondary channel configured to compatibility mode
piixide0: secondary channel ignored (disabled)
piixide1 at pci0 dev 31 function 2: Intel 82801GB/GR Serial ATA/Raid
Controller (ICH7) (rev. 0x01)
piixide1: bus-master DMA support present
piixide1: primary channel configured to native-PCI mode
piixide1: using ioapic0 pin 19 for native-PCI interrupt
atabus1 at piixide1 channel 0
piixide1: secondary channel configured to native-PCI mode
atabus2 at piixide1 channel 1
ichsmb0 at pci0 dev 31 function 3: vendor 0x8086 product 0x27da (rev. 0x01)
ichsmb0: interrupting at ioapic0 pin 19
iic0 at ichsmb0: I2C bus
isa0 at ichlpcib0
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com0: console
pckbc0 at isa0 port 0x60-0x64
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
acpicpu0 at cpu0: ACPI CPU
acpicpu0: C1: HLT, lat   0 us, pow     0 mW
acpicpu1 at cpu1: ACPI CPU
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
uhub0 at usb0: vendor 0x8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhub1 at usb1: vendor 0x8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhub2 at usb2: vendor 0x8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
uhub3 at usb3: vendor 0x8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
uhub4 at usb4: vendor 0x8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub4: 8 ports with 8 removable, self powered
wd0 at atabus0 drive 0
wd0: <Maxtor 6Y120L0>
wd0: drive supports 16-sector PIO transfers, LBA addressing
wd0: 114 GB, 238213 cyl, 16 head, 63 sec, 512 bytes/sect x 240119615 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(piixide0:0:0): using PIO mode 4, Ultra-DMA mode 5 (Ultra/100) (using DMA)
Kernelized RAIDframe activated
boot device: wd0
root on wd0a dumps on wd0b
root file system type: ffs
# mount -vv
/dev/wd0a on / type ffs (log, noatime, nodevmtime, local, root file
system, fsid: 0x0/0x78b, reads: sync 8779 async 0, writes: sync 0
async 53)
tmpfs on /tmp type tmpfs (local, fsid: 0xab01/0x69ab, reads: sync 0
async 0, writes: sync 0 async 0, [tmpfs: version=1, size_max=52428800,
nodes_max=51203, root_uid=root, root_gid=wheel, root_mode=1777])

-- hash
References:
- Re: kern/45829: writing to vnd on sparse file blocks on pager_map
  - From: J. Hannken-Illjes
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