Re: Why UBIFS mounts read only?

[Tim Sander <tim@krieglstein.org>]

Am Sonntag, 12. Mai 2013, 21:56:15 schrieb harsh poshtiwala:
> Hi, I am trying to boot UBIFS based rootfs on NAND flash.
> Upon mounting, I found the rootfs is mounted readonly without any messages..
> My kernel command line parameters are as below.
> 
> 
> setenv bootargs console=ttyO2,115200n8 rootfstype=ubifs rw
> ubi.mtd=10,2048  root=ubi0:rootfs; setenv nandargs setenv bootargs
> console=ttyO2,115200n8 rootfstype=ubifs rw ubi.mtd=10,2048
> root=ubi0:rootfs;
> saveenv;
> 
> 
> Here is the fstab entry
> 
> proc                 /proc                proc       defaults             0 
> 0 /dev/mtdblock12      /mnt/readerconfig    jffs2      rw,exec,noatime     
> 0  0 /dev/mtdblock15      /mnt/data            jffs2      rw,exec,noatime  
>    0  0 tmpfs                /var                 tmpfs      defaults      
>       0  0 tmpfs                /tmp                 tmpfs      defaults   
>          0  0 tmpfs                /media/ram           tmpfs      defaults
>             0  0 sysfs                /sys                 sysfs     
> nosuid,noexec,nodev  0  0 # uncomment this if your device has a
> SD/MMC/Transflash slot
> #/dev/mmcblk0p1       /media/card          auto       defaults,sync,noauto 0
>  0 usbfs                /proc/bus/usb        usbfs      defaults           
>   0  0 none                 /dev/pts             devpts     defaults       
>       0  0
> 
> 
> Here is the inittab
> 
> ::sysinit:/bin/mount -t proc proc /proc
> ::sysinit:/bin/mount -o remount,rw /
> ::sysinit:/bin/mkdir -p /dev/pts
> ::sysinit:/bin/mount -a
> ::sysinit:/etc/init.d/rcS
> ::respawn:/sbin/getty 115200 ttyO2
> 
> # Stuff to do when restarting the init process
> 
> ::restart:/sbin/init
> 
> # Stuff to do before rebooting
> 
> ::shutdown:/bin/cp /var/log/syslog /mnt/readerconfig/LOGGER.DB
> ::ctrlaltdel:/sbin/reboot
> ::shutdown:/bin/umount -a -r
> 
> ~
> 
> Also, I flashed image after erasing the partion followed by ubiformat.
> 
> Here is the complete boot log, any help would be appreciated.
> 
> 
> NAND read: device 0 offset 0x700000, size 0x500000
>  5242880 bytes read: OK
> mot_setbootargs: console=ttyO2,115200n8 rootfstype=ubifs rw
> ubi.mtd=10,2048 root=ubi0:rootfs mothw=0 ubootver=91.1.1
> eth=00:15:70:cd:3a:a2
> ## Booting kernel from Legacy Image at 82000000 ...
>    Image Name:   Linux-2.6.32.8.ti-omap3-am3517-e
>    Image Type:   ARM Linux Kernel Image (uncompressed)
>    Data Size:    1986756 Bytes = 1.9 MiB
>    Load Address: 80008000
>    Entry Point:  80008000
>    Verifying Checksum ... OK
>    Loading Kernel Image ... OK
> OK
> 
> Thredbo: Starting kernel ...
> 
> Uncompressing
> Linux......................................................................
> ............................................................. done, booting
> the kernel.
> 
> Thredbo kernel version: 1.1.3
> 
> Linux version 2.6.32.8.ti-omap3-am3517-evm (mvdev@MVista) (gcc version
> 4.4.1 (MontaVista Linux Sourcery G++ 4.4-312) ) #69 PREEMPT Thu May 9
> 13:49:58 EDT 2013
> CPU: ARMv7 Processor [411fc087] revision 7 (ARMv7), cr=10c53c7f
> CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
> Machine: OMAP3517/AM3517 EVM
> Memory policy: ECC disabled, Data cache writeback
> AM3505 ES3.1 (l2cache iva neon isp )
> SRAM: Mapped pa 0x40200000 to va 0xfe400000 size: 0x100000
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 65024
> Thredbo: Kernel command line: console=ttyO2,115200n8 rootfstype=ubifs
> rw ubi.mtd=10,2048 root=ubi0:rootfs mothw=0 ubootver=91.1.1
> eth=00:15:70:cd:3a:a2
> PID hash table entries: 1024 (order: 0, 4096 bytes)
> Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
> Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
> Memory: 256MB = 256MB total
> Memory: 255488KB available (3692K code, 335K data, 140K init, 0K highmem)
> Hierarchical RCU implementation.
> NR_IRQS:368
> Clocking rate (Crystal/Core/MPU): 26.0/332/600 MHz
> GPMC revision 5.0
> IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts
> Total of 96 interrupts on 1 active controller
> OMAP GPIO hardware version 2.5
> OMAP clockevent source: GPTIMER1 at 32768 Hz
> Console: colour dummy device 80x30
> Calibrating delay loop... 597.64 BogoMIPS (lpj=2334720)
> Mount-cache hash table entries: 512
> CPU: Testing write buffer coherency: ok
> saved_command_line=console=ttyO2,115200n8 rootfstype=ubifs rw
> ubi.mtd=10,2048 root=ubi0:rootfs mothw=0 ubootver=91.1.1
> eth=00:15:70:cd:3a:a2
> uboot ver=0x005b0101
> Thredbo hardware detected, ID=0
> devtmpfs: initialized
> NET: Registered protocol family 16
> omap_serial_init_port: port 0 dma_enabled 1
> omap_serial_init_port: port 1 dma_enabled 1
> omap_serial_init_port: port 2 dma_enabled 1
> Display initialized successfully
> OMAP DMA hardware revision 4.0
> bio: create slab <bio-0> at 0
> SCSI subsystem initialized
> usbcore: registered new interface driver usbfs
> usbcore: registered new interface driver hub
> usbcore: registered new device driver usb
> i2c_omap i2c_omap.1: bus 1 rev3.12 at 400 kHz
> Bluetooth: Core ver 2.15
> NET: Registered protocol family 31
> Bluetooth: HCI device and connection manager initialized
> Bluetooth: HCI socket layer initialized
> Switching to clocksource 32k_counter
> musb_hdrc: version 6.0, cppi4.1-dma, host, debug=0
> AM3517 OTG revision 4ea41001, PHY b0036a2, control 00
> musb_hdrc: USB Host mode controller at d0810000 using DMA, IRQ 71
> musb_hdrc musb_hdrc: MUSB HDRC host driver
> musb_hdrc musb_hdrc: new USB bus registered, assigned bus number 1
> usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
> usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> usb usb1: Product: MUSB HDRC host driver
> usb usb1: Manufacturer: Linux 2.6.32.8.ti-omap3-am3517-evm musb-hcd
> usb usb1: SerialNumber: musb_hdrc
> hub 1-0:1.0: USB hub found
> hub 1-0:1.0: 1 port detected
> NET: Registered protocol family 2
> IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
> TCP established hash table entries: 8192 (order: 4, 65536 bytes)
> TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
> TCP: Hash tables configured (established 8192 bind 8192)
> TCP reno registered
> UDP hash table entries: 256 (order: 0, 4096 bytes)
> UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
> NET: Registered protocol family 1
> RPC: Registered udp transport module.
> RPC: Registered tcp transport module.
> RPC: Registered tcp NFSv4.1 backchannel transport module.
> LTTng will clear ccnt top bit every 229 jiffies.
> AM3505  Linux PSP version 03.00.00.05 (AM3517EVM)
> VFS: Disk quotas dquot_6.5.2
> Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> squashfs: version 4.0 (2009/01/31) Phillip Lougher
> JFFS2 version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
> yaffs May  9 2013 13:44:34 Installing.
> msgmni has been set to 499
> alg: No test for cipher_null (cipher_null-generic)
> alg: No test for ecb(cipher_null) (ecb-cipher_null)
> alg: No test for digest_null (digest_null-generic)
> alg: No test for compress_null (compress_null-generic)
> alg: No test for stdrng (krng)
> io scheduler noop registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> motdio_init_module
> thredboio: total 46 dios
> omap-hsuart.0: ttyO0 at MMIO 0x4806a000 (irq = 72) is a OMAP UART0
> omap-hsuart.1: ttyO1 at MMIO 0x4806c000 (irq = 73) is a OMAP UART1
> omap-hsuart.2: ttyO2 at MMIO 0x49020000 (irq = 74) is a OMAP UART2
> console [ttyO2] enabled
> loop: module loaded
> omap2-nand driver initializing
> NAND device: Manufacturer ID: 0x2c, Chip ID: 0xb3 (Micron NAND 1GiB 1,8V
> 16-bit) Creating 16 MTD partitions on "omap2-nand.0":
> 0x000000000000-0x000000020000 : "xloader1"
> 0x000000020000-0x000000040000 : "xloader2"
> 0x000000040000-0x000000080000 : "reserved"
> 0x000000080000-0x000000100000 : "uboot1"
> 0x000000100000-0x000000180000 : "uboot2"
> 0x000000180000-0x0000001a0000 : "bootdata1"
> 0x0000001a0000-0x0000001c0000 : "bootdata2"
> 0x0000001c0000-0x000000200000 : "reserved"
> 0x000000200000-0x000000700000 : "linux kernel1"
> 0x000000700000-0x000000c00000 : "linux kernel2"
> 0x000000c00000-0x000019c00000 : "rootfs_1"
> 0x000019c00000-0x000032c00000 : "rootfs_2"
> 0x000032c00000-0x000033000000 : "readerconfig"
> 0x000033000000-0x000037000000 : "platform1"
> 0x000037000000-0x00003b000000 : "platform2"
> 0x00003b000000-0x000040000000 : "data"
> UBI: attaching mtd10 to ubi0
> UBI: physical eraseblock size:   131072 bytes (128 KiB)
> UBI: logical eraseblock size:    126976 bytes
> UBI: smallest flash I/O unit:    2048
> UBI: sub-page size:              512
> UBI: VID header offset:          2048 (aligned 2048)
> UBI: data offset:                4096
> UBI: attached mtd10 to ubi0
> UBI: MTD device name:            "rootfs_1"
> UBI: MTD device size:            400 MiB
> UBI: number of good PEBs:        3200
> UBI: number of bad PEBs:         0
> UBI: max. allowed volumes:       128
> UBI: wear-leveling threshold:    4096
> UBI: number of internal volumes: 1
> UBI: number of user volumes:     1
> UBI: available PEBs:             0
> UBI: total number of reserved PEBs: 3200
> UBI: number of PEBs reserved for bad PEB handling: 32
> UBI: max/mean erase counter: 1/0
> UBI: image sequence number: 0
> UBI: background thread "ubi_bgt0d" started, PID 341
> PPP generic driver version 2.4.2
> PPP Deflate Compression module registered
> usbcore: registered new interface driver asix
> usbcore: registered new interface driver cdc_ether
> ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> ehci-omap ehci-omap.0: OMAP-EHCI Host Controller
> ehci-omap ehci-omap.0: new USB bus registered, assigned bus number 2
> ehci-omap ehci-omap.0: irq 77, io mem 0x48064800
> ehci-omap ehci-omap.0: USB 2.0 started, EHCI 1.00
> usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
> usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> usb usb2: Product: OMAP-EHCI Host Controller
> usb usb2: Manufacturer: Linux 2.6.32.8.ti-omap3-am3517-evm ehci_hcd
> usb usb2: SerialNumber: ehci-omap.0
> hub 2-0:1.0: USB hub found
> hub 2-0:1.0: 3 ports detected
> Initializing USB Mass Storage driver...
> usbcore: registered new interface driver usb-storage
> USB Mass Storage support registered.
> usbcore: registered new interface driver usbtest
> udc: OMAP UDC driver, version: 4 October 2004 (iso) (dma)
> #ds1339_probe: Thredbo ds1339 driver
> ds1339_probe ds1339_get_datetime success
> rtc-ds1339 1-0068: rtc core: registered rtc-ds1339 as rtc0
> i2c /dev entries driver
> OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
> Bluetooth: Generic Bluetooth USB driver ver 0.6
> usbcore: registered new interface driver btusb
> usbcore: registered new interface driver usbhid
> usbhid: USB HID core driver
> IPv4 over IPv4 tunneling driver
> TCP cubic registered
> Initializing XFRM netlink socket
> NET: Registered protocol family 10
> IPv6 over IPv4 tunneling driver
> NET: Registered protocol family 17
> NET: Registered protocol family 15
> Bluetooth: L2CAP ver 2.14
> Bluetooth: L2CAP socket layer initialized
> Bluetooth: RFCOMM socket layer initialized
> Bluetooth: RFCOMM ver 1.11
> Bluetooth: HIDP (Human Interface Emulation) ver 1.2
> Power Management for TI OMAP3.
> VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1
> Valid mac: 00:15:70:cd:3a:a2
> davinci_emac_probe: using saved MAC addr: 00:15:70:cd:3a:a2
> emac-mii: probed
> rtc-ds1339 1-0068: rtc_hctosys: setting system clock to 2013-05-11
> 03:29:12 UTC (1368242952)
> UBIFS: recovery needed
> UBIFS: recovery completed
> UBIFS: mounted UBI device 0, volume 0, name "rootfs"
> UBIFS: file system size:   400355328 bytes (390972 KiB, 381 MiB, 3153 LEBs)
> UBIFS: journal size:       9023488 bytes (8812 KiB, 8 MiB, 72 LEBs)
> UBIFS: media format:       w4/r0 (latest is w4/r0)
> UBIFS: default compressor: lzo
> UBIFS: reserved for root:  0 bytes (0 KiB)
> VFS: Mounted root (ubifs filesystem) on device 0:14.
> devtmpfs: mounted
> Freeing init memory: 140K
> init started: BusyBox v1.13.2 (2013-01-09 12:22:37 IST)
> can't open /dev/proc: No such file or directory
> can't open /dev/rwmo: No such file or directory
> can't open /dev/dpts: No such file or directory
> can't open /dev/moun: No such file or directory
With devtmpfs (DEVTMPFS_MOUNT set?) you should not see these messages?
Or your initscripts are bogus?
> > starting pid 390, tty '': '/etc/init.d/rcS'
> hostname: permission denied. (are you root?)
> ifup: interface eth0 already configured
> Starting syslogd/klogd: ifup: interface lo already configured
> starting pid 402, tty '': '/sbin/getty 115200 ttyO2'
> Executing thredbo startup script...
> ====================================
> done
> Starting OpenBSD Secure Shell server: sshd
> ERROR: Failed to open /dev/mtdblock5 in r+ mode
> .Could not load host key: /etc/ssh/ssh_host_rsa_key
> Could not load host key: /etc/ssh/ssh_host_dsa_key
> Disabling protocol version 2. Could not load host key
> sshd: no hostkeys available -- exiting.
> ..++++++
> ...................++++++
> Segmentation fault
> chmod: /platform/bin/*: No such file or directory
> chmod: /platform/bin/mfgreset.elf: No such file or directory
> ./InitThredboScript.sh: line 20: /platform/bin/mfgreset.elf: not found
> chmod: /platform/bin/mfgreset.elf: No such file or directory
> ./InitThredboScript.sh: line 24: /readerconfig/networkscript.sh: not found
> /usr/local/avahi/sbin/avahi-autoipd: error while loading shared
> libraries: libdaemon.so.0: cannot open shared object file: No such
> file or directory
> ./InitThredboScript.sh: line 32: /platform/bin/snmpextagent.elf: not found
> AH00526: Syntax error on line 220 of /usr/local/apache2/conf/httpd.conf:
> DocumentRoot must be a directory
> AH00526: Syntax error on line 220 of /usr/local/apache2/conf/httpd.conf:
> DocumentRoot must be a directory
> ./InitThredboScript.sh: line 43: /platform/bin/rmserver.elf: not found
> ./InitThredboScript.sh: line 41: /platform/bin/llrpserver.elf: not found
> pfkey_open: Operation not permitted
> ./InitThredboScript.sh: line 56: /platform/bin/RDMPAgent: not found
> ifconfig: SIOCSIFADDR: Permission denied
> Starting applications....
> racoon: must be root to invoke this program.
> chmod: /apps/autostart.sh: No such file or directory
> su: can't set groups: Operation not permitted
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> ^Ccat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> 
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> 
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> process '/sbin/getty 115200 ttyO2' (pid 402) exited. Scheduling for restart.
> starting pid 490, tty '': '/sbin/getty 115200 ttyO2'
> ecat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> boot
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ifconfig: /proc/net/dev: No such file or directory
> cat: can't open '/sys/class/net/eth0/carrier': No such file or directory
> ....
> 
> --
> Thanks & Regards
> Harsh
> 
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