[meta-xilinx] Zynq boot unreliable

Rich Wilson richaw at gmail.com
Mon Apr 28 15:59:39 PDT 2014 

I have a somewhat-working yocto system on my zedboard.
I have put everything on an SD card, and it boots... sometimes.
Sometimes it halts with a kernel panic. And sometimes it gets
into an endless loop; probably the same problem, except it
never halts.
Any ideas why it might be unreliable?

At the risk of filling up everyone's mail boxes, I will include two
examples below: First a bad one, and then a good one for reference.

=====================================================

** Unable to read file uEnv.txt **
Copying Linux from SD to RAM...
reading uImage
2858720 bytes read in 385 ms (7.1 MiB/s)
reading devicetree.dtb
23080 bytes read in 19 ms (1.2 MiB/s)
## Booting kernel from Legacy Image at 03000000 ...
   Image Name:   Linux-3.8.11-xilinx
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    2858656 Bytes = 2.7 MiB
   Load Address: 00008000
   Entry Point:  00008000
   Verifying Checksum ... OK
## Flattened Device Tree blob at 02a00000
   Booting using the fdt blob at 0x02a00000
   Loading Kernel Image ... OK
OK
   Loading Device Tree to 1fb4e000, end 1fb56a27 ... OK

Starting kernel ...

Booting Linux on physical CPU 0x0
Linux version 3.8.11-xilinx (rw at linux-cyy8) (gcc version 4.8.1 (GCC) ) #1
SMP PREEMPT Wed Apr 23 10:46:38 PDT 2014
CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=18c5387d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine: Xilinx Zynq Platform, model: ZedBoard
bootconsole [earlycon0] enabled
cma: CMA: reserved 16 MiB at 1e800000
Memory policy: ECC disabled, Data cache writealloc
PERCPU: Embedded 7 pages/cpu @c09a6000 s7616 r8192 d12864 u32768
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 130048
Kernel command line: console=ttyPS0,115200 root=/dev/mmcblk0p2 ro
earlyprintk
PID hash table entries: 2048 (order: 1, 8192 bytes)
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
__ex_table already sorted, skipping sort
Memory: 512MB = 512MB total
Memory: 497472k/497472k available, 26816k reserved, 0K highmem
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    vmalloc : 0xe0800000 - 0xff000000   ( 488 MB)
    lowmem  : 0xc0000000 - 0xe0000000   ( 512 MB)
    pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
    modules : 0xbf000000 - 0xbfe00000   (  14 MB)
      .text : 0xc0008000 - 0xc050f8bc   (5151 kB)
      .init : 0xc0510000 - 0xc0539dc0   ( 168 kB)
      .data : 0xc053a000 - 0xc0573688   ( 230 kB)
       .bss : 0xc0573688 - 0xc059dcdc   ( 170 kB)
Preemptible hierarchical RCU implementation.
        Dump stacks of tasks blocking RCU-preempt GP.
        RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2.
NR_IRQS:16 nr_irqs:16 16
xslcr mapped to e0802000
Zynq clock init
sched_clock: 16 bits at 54kHz, resolution 18432ns, wraps every 1207ms
ps7-ttc #0 at e0804000, irq=43
Console: colour dummy device 80x30
Calibrating delay loop... 1332.01 BogoMIPS (lpj=6660096)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
Setting up static identity map for 0x3ac9d0 - 0x3aca04
L310 cache controller enabled
l2x0: 8 ways, CACHE_ID 0x000000c0, AUX_CTRL 0x72060000, Cache size: 524288 B
CPU1: Booted secondary processor
CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
Brought up 2 CPUs
SMP: Total of 2 processors activated (2664.03 BogoMIPS).
devtmpfs: initialized
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
xgpiops e000a000.ps7-gpio: gpio at 0xe000a000 mapped to 0xe080c000
hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 4 bytes.
bio: create slab <bio-0> at 0
vgaarb: loaded
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <
giometti at linux.it>
PTP clock support registered
Switching to clocksource xttcps_clocksource
NET: Registered protocol family 2
TCP established hash table entries: 4096 (order: 3, 32768 bytes)
TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP: reno registered
UDP hash table entries: 256 (order: 1, 8192 bytes)
UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available
jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
msgmni has been set to 1003
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
dma-pl330 f8004000.ps7-dma: PERIPH_ID 0x0, PCELL_ID 0x0 !
dma-pl330: probe of f8004000.ps7-dma failed with error -22
dma-pl330 f8003000.ps7-dma: Loaded driver for PL330 DMAC-267056
dma-pl330 f8003000.ps7-dma:     DBUFF-128x8bytes Num_Chans-8 Num_Peri-4
Num_Events-16
e0001console [ttyPS0] enabled, bootconsole disabled
console [ttyPS0] enabled, bootconsole disabled
xdevcfg f8007000.ps7-dev-cfg: ioremap f8007000 to e0864000 with size 100
brd: module loaded
loop: module loaded
xspips e0006000.ps7-spi: master is unqueued, this is deprecated
xspips e0006000.ps7-spi: at 0xE0006000 mapped to 0xE0866000, irq=58
xspips e0007000.ps7-spi: master is unqueued, this is deprecated
xspips e0007000.ps7-spi: at 0xE0007000 mapped to 0xE0868000, irq=81
xqspips e000d000.ps7-qspi: master is unqueued, this is deprecated
m25p80 spi32766.0: found s25fl256s1, expected n25q128
m25p80 spi32766.0: fallback to 3-byte address mode
m25p80 spi32766.0: maximum accessible size is 16MB
m25p80 spi32766.0: s25fl256s1 (32768 Kbytes)
5 ofpart partitions found on MTD device spi32766.0
Creating 5 MTD partitions on "spi32766.0":
0x000000000000-0x000000100000 : "qspi-fsbl-uboot"
0x000000100000-0x000000600000 : "qspi-linux"
0x000000600000-0x000000620000 : "qspi-device-tree"
0x000000620000-0x000000c00000 : "qspi-rootfs"
0x000000c00000-0x000001000000 : "qspi-bitstream"
xqspips e000d000.ps7-qspi: at 0xE000D000 mapped to 0xE086A000, irq=51
e1000e: Intel(R) PRO/1000 Network Driver - 2.1.4-k
e1000e: Copyright(c) 1999 - 2012 Intel Corporation.
libphy: XEMACPS mii bus: probed
xemacps e000b000.ps7-ethernet: pdev->id -1, baseaddr 0xe000b000, irq 54
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-pci: EHCI PCI platform driver
ULPI transceiver vendor/product ID 0x0451/0x1507
Found TI TUSB1210 ULPI transceiver.
ULPI integrity check: passed.
xusbps-ehci xusbps-ehci.0: Xilinx PS USB EHCI Host Controller
xusbps-ehci xusbps-ehci.0: new USB bus registered, assigned bus number 1
xusbps-ehci xusbps-ehci.0: irq 53, io mem 0x00000000
xusbps-ehci xusbps-ehci.0: USB 2.0 started, EHCI 1.00
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
mousedev: PS/2 mouse device common for all mice
i2c /dev entries driver
xadcps f8007100.ps7-xadc: enabled:      yes     reference:      external
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
sdhci-pltfm: SDHCI platform and OF driver helper
mmc0: Invalid maximum block size, assuming 512 bytes
mmc0: SDHCI controller on e0100000.ps7-sdio [e0100000.ps7-sdio] using ADMA
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
TCP: cubic registered
NET: Registered protocol family 17
VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
Registering SWP/SWPB emulation handler
dmatest: Started 1 threads using dma0chan0
dmatest: Started 1 threads using dma0chan1
dmatest: Started 1 threads using dma0chan2
dmatest: Started 1 threads using dma0chan3
dmatest: Started 1 threads using dma0chan4
dmatest: Started 1 threads using dma0chan5
dmatest: Started 1 threads using dma0chan6
dmatest: Started 1 threads using dma0chan7
mmc0: new high speed SDHC card at address b368
VFS: Cannot open root device "mmcblk0p2" or unknown-block(0,0): error -6
mmcblk0: mmc0:b368 SMI   3.69 GiB
Please append a correct "root=" boot option; here are the available
partitions:
 mmcblk0: p1 p2
1f00            1024 mtdblock0  (driver?)
1f01            5120 mtdblock1  (driver?)
1f02             128 mtdblock2  (driver?)
1f03            6016 mtdblock3  (driver?)
1f04            4096 mtdblock4  (driver?)
b300         3874816 mmcblk0  driver: mmcblk
  b301          102400 mmcblk0p1 00000000-01
  b302         3771392 mmcblk0p2 00000000-02
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)
CPU1: stopping
[<c0013fb0>] (unwind_backtrace+0x0/0x11c) from [<c0012ed0>]
(ipi_cpu_stop+0x3c/0x68)
[<c0012ed0>] (ipi_cpu_stop+0x3c/0x68) from [<c0013150>]
(handle_IPI+0x68/0xac)
[<c0013150>] (handle_IPI+0x68/0xac) from [<c00084fc>]
(gic_handle_irq+0x58/0x60)
[<c00084fc>] (gic_handle_irq+0x58/0x60) from [<c000dec0>]
(__irq_svc+0x40/0x70)
Exception stack(0xde581e20 to 0xde581e68)
1e20: c0573c14 80000113 00000000 267f267f c0573be8 1e685000 1e688000
003cd080
1e40: de73f934 00001c50 00000012 de581f64 00000000 de581e68 c001bd60
c03ac238
1e60: 40000113 ffffffff
[<c000dec0>] (__irq_svc+0x40/0x70) from [<c03ac238>]
(_raw_spin_unlock_irqrestore+0x28/0x5c)
[<c03ac238>] (_raw_spin_unlock_irqrestore+0x28/0x5c) from [<c001bd60>]
(l2x0_clean_range+0xbc/0xfc)
[<c001bd60>] (l2x0_clean_range+0xbc/0xfc) from [<c0017638>]
(__dma_page_cpu_to_dev+0x74/0x8c)
[<c0017638>] (__dma_page_cpu_to_dev+0x74/0x8c) from [<c00176b8>]
(arm_dma_map_page+0x38/0x64)
[<c00176b8>] (arm_dma_map_page+0x38/0x64) from [<c01e1b84>]
(dmatest_func+0x5e8/0xdd4)
[<c01e1b84>] (dmatest_func+0x5e8/0xdd4) from [<c003a184>]
(kthread+0xa0/0xac)
[<c003a184>] (kthread+0xa0/0xac) from [<c000e358>] (ret_from_fork+0x14/0x3c)


=====================================================

** Unable to read file uEnv.txt **
Copying Linux from SD to RAM...
reading uImage
2858720 bytes read in 386 ms (7.1 MiB/s)
reading devicetree.dtb
23080 bytes read in 19 ms (1.2 MiB/s)
## Booting kernel from Legacy Image at 03000000 ...
   Image Name:   Linux-3.8.11-xilinx
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    2858656 Bytes = 2.7 MiB
   Load Address: 00008000
   Entry Point:  00008000
   Verifying Checksum ... OK
## Flattened Device Tree blob at 02a00000
   Booting using the fdt blob at 0x02a00000
   Loading Kernel Image ... OK
OK
   Loading Device Tree to 1fb4e000, end 1fb56a27 ... OK

Starting kernel ...

Booting Linux on physical CPU 0x0
Linux version 3.8.11-xilinx (rw at linux-cyy8) (gcc version 4.8.1 (GCC) ) #1
SMP PREEMPT Wed Apr 23 10:46:38 PDT 2014
CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=18c5387d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine: Xilinx Zynq Platform, model: ZedBoard
bootconsole [earlycon0] enabled
cma: CMA: reserved 16 MiB at 1e800000
Memory policy: ECC disabled, Data cache writealloc
PERCPU: Embedded 7 pages/cpu @c09a6000 s7616 r8192 d12864 u32768
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 130048
Kernel command line: console=ttyPS0,115200 root=/dev/mmcblk0p2 ro
earlyprintk
PID hash table entries: 2048 (order: 1, 8192 bytes)
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
__ex_table already sorted, skipping sort
Memory: 512MB = 512MB total
Memory: 497472k/497472k available, 26816k reserved, 0K highmem
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    vmalloc : 0xe0800000 - 0xff000000   ( 488 MB)
    lowmem  : 0xc0000000 - 0xe0000000   ( 512 MB)
    pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
    modules : 0xbf000000 - 0xbfe00000   (  14 MB)
      .text : 0xc0008000 - 0xc050f8bc   (5151 kB)
      .init : 0xc0510000 - 0xc0539dc0   ( 168 kB)
      .data : 0xc053a000 - 0xc0573688   ( 230 kB)
       .bss : 0xc0573688 - 0xc059dcdc   ( 170 kB)
Preemptible hierarchical RCU implementation.
        Dump stacks of tasks blocking RCU-preempt GP.
        RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2.
NR_IRQS:16 nr_irqs:16 16
xslcr mapped to e0802000
Zynq clock init
sched_clock: 16 bits at 54kHz, resolution 18432ns, wraps every 1207ms
ps7-ttc #0 at e0804000, irq=43
Console: colour dummy device 80x30
Calibrating delay loop... 1332.01 BogoMIPS (lpj=6660096)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
Setting up static identity map for 0x3ac9d0 - 0x3aca04
L310 cache controller enabled
l2x0: 8 ways, CACHE_ID 0x000000c0, AUX_CTRL 0x72060000, Cache size: 524288 B
CPU1: Booted secondary processor
CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
Brought up 2 CPUs
SMP: Total of 2 processors activated (2664.03 BogoMIPS).
devtmpfs: initialized
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
xgpiops e000a000.ps7-gpio: gpio at 0xe000a000 mapped to 0xe080c000
hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 4 bytes.
bio: create slab <bio-0> at 0
vgaarb: loaded
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <
giometti at linux.it>
PTP clock support registered
Switching to clocksource xttcps_clocksource
NET: Registered protocol family 2
TCP established hash table entries: 4096 (order: 3, 32768 bytes)
TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP: reno registered
UDP hash table entries: 256 (order: 1, 8192 bytes)
UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available
jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
msgmni has been set to 1003
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
dma-pl330 f8004000.ps7-dma: PERIPH_ID 0x0, PCELL_ID 0x0 !
dma-pl330: probe of f8004000.ps7-dma failed with error -22
dma-pl330 f8003000.ps7-dma: Loaded driver for PL330 DMAC-267056
dma-pl330 f8003000.ps7-dma:     DBUFF-128x8bytes Num_Chans-8 Num_Peri-4
Num_Events-16
e0001¬Ë½±[ttyPS0] enabled, bootconsole disabled
console [ttyPS0] enabled, bootconsole disabled
xdevcfg f8007000.ps7-dev-cfg: ioremap f8007000 to e0864000 with size 100
brd: module loaded
loop: module loaded
xspips e0006000.ps7-spi: master is unqueued, this is deprecated
xspips e0006000.ps7-spi: at 0xE0006000 mapped to 0xE0866000, irq=58
xspips e0007000.ps7-spi: master is unqueued, this is deprecated
xspips e0007000.ps7-spi: at 0xE0007000 mapped to 0xE0868000, irq=81
xqspips e000d000.ps7-qspi: master is unqueued, this is deprecated
m25p80 spi32766.0: found s25fl256s1, expected n25q128
m25p80 spi32766.0: fallback to 3-byte address mode
m25p80 spi32766.0: maximum accessible size is 16MB
m25p80 spi32766.0: s25fl256s1 (32768 Kbytes)
5 ofpart partitions found on MTD device spi32766.0
Creating 5 MTD partitions on "spi32766.0":
0x000000000000-0x000000100000 : "qspi-fsbl-uboot"
0x000000100000-0x000000600000 : "qspi-linux"
0x000000600000-0x000000620000 : "qspi-device-tree"
0x000000620000-0x000000c00000 : "qspi-rootfs"
0x000000c00000-0x000001000000 : "qspi-bitstream"
xqspips e000d000.ps7-qspi: at 0xE000D000 mapped to 0xE086A000, irq=51
e1000e: Intel(R) PRO/1000 Network Driver - 2.1.4-k
e1000e: Copyright(c) 1999 - 2012 Intel Corporation.
libphy: XEMACPS mii bus: probed
xemacps e000b000.ps7-ethernet: pdev->id -1, baseaddr 0xe000b000, irq 54
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-pci: EHCI PCI platform driver
xusbps-dr e0002000.ps7-usb: Unable to init USB phy, missing?
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
mousedev: PS/2 mouse device common for all mice
i2c /dev entries driver
xadcps f8007100.ps7-xadc: enabled:      yes     reference:      external
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
sdhci-pltfm: SDHCI platform and OF driver helper
mmc0: Invalid maximum block size, assuming 512 bytes
mmc0: SDHCI controller on e0100000.ps7-sdio [e0100000.ps7-sdio] using ADMA
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
TCP: cubic registered
NET: Registered protocol family 17
VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
Registering SWP/SWPB emulation handler
dmatest: Started 1 threads using dma0chan0
dmatest: Started 1 threads using dma0chan1
dmatest: Started 1 threads using dma0chan2
dmatest: Started 1 threads using dma0chan3
dmatest: Started 1 threads using dma0chan4
dmatest: Started 1 threads using dma0chan5
dmatest: Started 1 threads using dma0chan6
dmatest: Started 1 threads using dma0chan7
mmc0: new high speed SDHC card at address b368
mmcblk0: mmc0:b368 SMI   3.69 GiB
 mmcblk0: p1 p2
VFS: Mounted root (ext2 filesystem) readonly on device 179:2.
devtmpfs: mounted
Freeing init memory: 164K
INIT: version 2.88 booting
Error opening /dev/fb0: No such file or directory
Starting udev
udevd[696]: starting version 182
EXT2-fs (mmcblk0p2): warning: mounting unchecked fs, running e2fsck is
recommended
Starting Bootlog daemon: bootlogd: cannot allocate pseudo tty: No such file
or directory
bootlogd.
Populating dev cache
Configuring network interfaces... udhcpc (v1.21.1) started
Sending discover...
Sending discover...
xemacps e000b000.ps7-ethernet: Set clk to 124999998 Hz
xemacps e000b000.ps7-ethernet: link up (1000/FULL)
Sending discover...
Sending select for 192.168.1.47...
Lease of 192.168.1.47 obtained, lease time 86400
/etc/udhcpc.d/50default: Adding DNS 192.168.1.1
done.
Starting rpcbind daemon...rpcbind: cannot create socket for udp6
rpcbind: cannot create socket for tcp6
done.
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.rp_filter = 1
hwclock: can't open '/dev/misc/rtc': No such file or directory
Mon Apr 28 14:56:00 UTC 2014
hwclock: can't open '/dev/misc/rtc': No such file or directory
Starting atd: OK
INIT: Entering runlevel: 5
Starting system message bus: dbus.
Starting OpenBSD Secure Shell server: sshd
  generating ssh RSA key...
  generating ssh ECDSA key...
  generating ssh DSA key...
done.
hwclock: can't open '/dev/misc/rtc': No such file or directory
creating NFS state directory: done
NFS daemon support not enabled in kernel
Starting system log daemon...0
Starting kernel log daemon...0
Starting Lighttpd Web Server: lighttpd.
Starting crond: OK
Stopping Bootlog daemon: bootlogd.

Poky (Yocto Project Reference Distro) 1.5.1 zedboard-zynq7 /dev/ttyPS0

zedboard-zynq7 login:


=====================================================

-- 
Rich Wilson
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