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root@Netgear:/tmp/home/root# dmesg

Linux version 2.6.22.19 (root@tomato) (gcc version 4.2.4) #14 Fri Oct 9 12:05:37 CEST 2015

CPU revision is: 00019740

Found a 8MB ST compatible serial flash

Determined physical RAM map:

 memory: 04000000 @ 00000000 (usable)

On node 0 totalpages: 16384

  Normal zone: 128 pages used for memmap

  Normal zone: 0 pages reserved

  Normal zone: 16256 pages, LIFO batch:3

Built 1 zonelists.  Total pages: 16256

Kernel command line: root=/dev/mtdblock2 noinitrd console=ttyS0,115200

Primary instruction cache 32kB, physically tagged, 4-way, linesize 32 bytes.

Primary data cache 32kB, 4-way, linesize 32 bytes.

Synthesized TLB refill handler (20 instructions).

Synthesized TLB load handler fastpath (32 instructions).

Synthesized TLB store handler fastpath (32 instructions).

Synthesized TLB modify handler fastpath (31 instructions).

PID hash table entries: 256 (order: 8, 1024 bytes)

CPU: BCM4716 rev 1 pkg 10 at 453 MHz

Using 226.500 MHz high precision timer.

console [ttyS0] enabled

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory: 61860k/65536k available (33k kernel code, 3612k reserved, 2726k data, 116k init, 0k highmem)

Calibrating delay loop... 226.09 BogoMIPS (lpj=1130496)

Mount-cache hash table entries: 512

NET: Registered protocol family 16

PCI: Using membase 8000000

PCI: Disabled

PCI: Fixing up bus 0

PCI: Fixing up bus 1

NET: Registered protocol family 2

Time: MIPS clocksource has been installed.

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 1, 8192 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP reno registered

squashfs: version 3.0 (2006/03/15) Phillip Lougher

io scheduler noop registered (default)

HDLC line discipline: version $Revision: 4.8 $, maxframe=4096

N_HDLC line discipline registered.

Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing disabled

serial8250: ttyS0 at MMIO 0xb8000300 (irq = 8) is a 16550A

PPP generic driver version 2.4.2

MPPE/MPPC encryption/compression module registered

NET: Registered protocol family 24

PPPoL2TP kernel driver, V0.18.3

PPTP driver version 0.8.5

pflash: found no supported devices

Creating 6 MTD partitions on "sflash":

0x00000000-0x00040000 : "pmon"

0x00040000-0x00790000 : "linux"

0x00127c00-0x00790000 : "rootfs"

0x00790000-0x00800000 : "jffs2"

0x007f0000-0x00800000 : "nvram"

0x007e0000-0x007f0000 : "board_data"

u32 classifier

    OLD policer on

Netfilter messages via NETLINK v0.30.

nf_conntrack version 0.5.0 (512 buckets, 4096 max)

ip_tables: (C) 2000-2006 Netfilter Core Team

ipt_account 0.1.21 : Piotr Gasidlo , http://www.barbara.eu.org/~quaker/ipt_account/

net/ipv4/netfilter/tomato_ct.c [Oct  9 2015 11:55:20]

NET: Registered protocol family 1

NET: Registered protocol family 10

ip6_tables: (C) 2000-2006 Netfilter Core Team

NET: Registered protocol family 17

802.1Q VLAN Support v1.8 Ben Greear 

All bugs added by David S. Miller 

VFS: Mounted root (squashfs filesystem) readonly.

Freeing unused kernel memory: 116k freed

Warning: unable to open an initial console.

emf: module license 'Proprietary' taints kernel.

PCI: Setting latency timer of device 0000:00:02.0 to 64

eth0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 5.10.147.0

PCI: Setting latency timer of device 0000:00:01.0 to 64

eth1: Broadcom BCM4329 802.11 Wireless Controller 5.10.147.0

Algorithmics/MIPS FPU Emulator v1.5

usbcore: registered new interface driver usbfs

usbcore: registered new interface driver hub

usbcore: registered new device driver usb

SCSI subsystem initialized

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

PCI: Setting latency timer of device 0000:00:04.1 to 64

ehci_hcd 0000:00:04.1: EHCI Host Controller

ehci_hcd 0000:00:04.1: new USB bus registered, assigned bus number 1

ehci_hcd 0000:00:04.1: irq 5, io mem 0x18004000

ehci_hcd 0000:00:04.1: USB 0.0 started, EHCI 1.00

usb usb1: configuration #1 chosen from 1 choice

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 2 ports detected

usb 1-1: new high speed USB device using ehci_hcd and address 2

vlan1: add 33:33:00:00:00:01 mcast address to master interface

vlan1: add 01:00:5e:00:00:01 mcast address to master interface

vlan1: dev_set_allmulti(master, 1)

usb 1-1: configuration #1 chosen from 1 choice

scsi0 : SCSI emulation for USB Mass Storage devices

vlan1: dev_set_promiscuity(master, 1)

device eth0 entered promiscuous mode

device vlan1 entered promiscuous mode

device eth1 entered promiscuous mode

br0: port 2(eth1) entering forwarding state

br0: port 1(vlan1) entering forwarding state

vlan2: Setting MAC address to  00 ff ff 00 00 00.

vlan2: add 33:33:00:00:00:01 mcast address to master interface

vlan2: add 01:00:5e:00:00:01 mcast address to master interface

IMQ starting with 2 devices...

IMQ driver loaded successfully.

        Hooking IMQ after NAT on PREROUTING.

        Hooking IMQ before NAT on POSTROUTING.

UDP: bad checksum. From 192.168.1.50:60048 to 192.168.1.1:53 ulen 55

UDP: bad checksum. From 192.168.1.50:60048 to 192.168.1.1:53 ulen 55

UDP: bad checksum. From 192.168.1.50:60175 to 192.168.1.1:53 ulen 42

UDP: bad checksum. From 192.168.1.50:60175 to 192.168.1.1:53 ulen 42

UDP: bad checksum. From 192.168.1.50:137 to 192.168.1.1:137 ulen 76

UDP: bad checksum. From 192.168.1.50:49368 to 192.168.1.1:53 ulen 45

UDP: bad checksum. From 192.168.1.50:49368 to 192.168.1.1:53 ulen 45

UDP: bad checksum. From 192.168.1.50:56862 to 192.168.1.1:53 ulen 42

UDP: bad checksum. From 192.168.1.50:56862 to 192.168.1.1:53 ulen 42

UDP: bad checksum. From 192.168.1.50:63442 to 192.168.1.1:53 ulen 39

scsi 0:0:0:0: Direct-Access     ST750LM0 30-1KKG62        0003 PQ: 0 ANSI: 6

sd 0:0:0:0: [sda] 1465149164 512-byte hardware sectors (750156 MB)

sd 0:0:0:0: [sda] Write Protect is off

sd 0:0:0:0: [sda] Mode Sense: 23 00 00 00

sd 0:0:0:0: [sda] Assuming drive cache: write through

sd 0:0:0:0: [sda] Assuming drive cache: write through

 sda: sda1

sd 0:0:0:0: [sda] Attached SCSI disk

EXT3-fs: starting recovery.

kjournald starting.  Commit interval 5 seconds

EXT3 FS on sda1, internal journal

EXT3-fs: recovery complete.

EXT3-fs: mounted filesystem with ordered data mode.

root@Netgear:/tmp/home/root#

root@Netgear:/tmp/home/root# df -h
Filesystem Size Used Available Use% Mounted on
/dev/root 6.4M 6.4M 0 100% /
tmpfs 30.3M 404.0K 29.9M 1% /tmp
devfs 30.3M 0 30.3M 0% /dev
/dev/sda1 687.7G 1.6G 651.2G 0% /tmp/mnt/sda1
root@Netgear:/tmp/home/root#

The number of cylinders for this disk is set to 91201.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)

Command (m for help): p

Disk /dev/sda1: 750.1 GB, 750156367872 bytes
255 heads, 63 sectors/track, 91201 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sda1p1 1 13 104391 82 Linux swap
/dev/sda1p2 14 136 987997+ 83 Linux
/dev/sda1p3 137 91201 731479612+ 83 Linux

Command (m for help):

Command (m for help): p

Disk /dev/sda1: 750.1 GB, 750154416128 bytes
255 heads, 63 sectors/track, 91201 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sda1p1 1 13 104391 82 Linux swap
/dev/sda1p2 14 136 987997+ 83 Linux
/dev/sda1p3 137 91201 731479612+ 83 Linux

Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table
fdisk: WARNING: rereading partition table failed, kernel still uses old table: Invalid argument
root@unknown:/tmp/home/root#

fdisk /dev/sda

Command (m for help): m
Command Action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition's system id
u change display/entry units
v verify the partition table
w write table to disk and exit

root@unknown:/tmp/home/root# fdisk -l

Disk /dev/sda: 750.1 GB, 750156371968 bytes
255 heads, 63 sectors/track, 91201 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sda1 1 13 104391 82 Linux swap
/dev/sda2 14 1230 9775552+ 83 Linux
/dev/sda3 1231 91201 722692057+ 83 Linux
root@unknown:/tmp/home/root# df -h
Filesystem Size Used Available Use% Mounted on
/dev/root 6.4M 6.4M 0 100% /
tmpfs 30.3M 168.0K 30.1M 1% /tmp
devfs 30.3M 0 30.3M 0% /dev
/dev/sda2 9.2G 20.0K 8.7G 0% /opt
/dev/sda3 678.4G 128.2M 643.8G 0% /nas
root@unknown:/tmp/home/root#