From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pa0-x22d.google.com ([2607:f8b0:400e:c03::22d]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZHQfj-0008Ox-22 for linux-mtd@lists.infradead.org; Tue, 21 Jul 2015 06:05:02 +0000 Received: by pacan13 with SMTP id an13so114629039pac.1 for ; Mon, 20 Jul 2015 23:04:37 -0700 (PDT) From: Bhuvanchandra DV Subject: Re: UBIFS errors when file-system is full To: Richard Weinberger References: <55A3C342.9010704@gmail.com> <55A48EA7.6050302@gmail.com> <55A4A896.9050500@nod.at> <55A4AC7A.1020203@gmail.com> <55A4ACEF.20307@nod.at> <55A4C866.2010400@gmail.com> <55A4CB60.2080505@nod.at> <55A4DF83.5080505@gmail.com> <55A4ED47.4060802@nod.at> <55A74812.2020906@gmail.com> <55A74AA1.2000000@nod.at> <55A7540C.3050900@nod.at> <55A7592D.6010906@gmail.com> <55A75A05.7040603@nod.at> Cc: linux-mtd@lists.infradead.org Message-ID: <55ADE0F1.9090809@gmail.com> Date: Tue, 21 Jul 2015 11:34:33 +0530 MIME-Version: 1.0 In-Reply-To: <55A75A05.7040603@nod.at> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 07/16/2015 12:45 PM, Richard Weinberger wrote: > Am 16.07.2015 um 09:11 schrieb Bhuvanchandra DV: >> On 07/16/2015 12:19 PM, Richard Weinberger wrote: >> >>> Am 16.07.2015 um 08:09 schrieb Richard Weinberger: >>>> Am 16.07.2015 um 07:58 schrieb Bhuvanchandra DV: >>>>> Power cut test with 4.1.2 kernel: >>>>> >>>>> Preparing UBI image using mkfs.ubifs utility: >>>>> >>>>> $ mkfs.ubifs -c 8112 -e 124KiB -m 2KiB -o ubifs.img -r rootfs/ -v >>>>> >>>>> >>>>> Flashing UBI image from U-Boot: >>>>> >>>>> # fatload ${interface} 0:1 ${loadaddr} ubifs.img >>>>> reading ubifs.img >>>>> 108691456 bytes read in 7139 ms (14.5 MiB/s) >>>>> # ubi part ubi && ubi check rootfs || ubi create rootfs >>>>> UBI: default fastmap pool size: 50 >>>>> UBI: default fastmap WL pool size: 25 >>>>> UBI: attaching mtd1 to ubi0 >>>>> UBI: attached by fastmap >>>>> UBI: fastmap pool size: 50 >>>>> UBI: fastmap WL pool size: 25 >>>>> UBI: attached mtd1 (name "mtd=3", size 126 MiB) to ubi0 >>>>> UBI: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes >>>>> UBI: min./max. I/O unit sizes: 2048/2048, sub-page size 2048 >>>>> UBI: VID header offset: 2048 (aligned 2048), data offset: 4096 >>>>> UBI: good PEBs: 1003, bad PEBs: 5, corrupted PEBs: 0 >>>>> UBI: user volume: 1, internal volumes: 1, max. volumes count: 128 >>>>> UBI: max/mean erase counter: 14/4, WL threshold: 4096, image sequence number: 0 >>>>> UBI: available PEBs: 0, total reserved PEBs: 1003, PEBs reserved for bad PEB handling: 15 >>>>> # ubi write ${loadaddr} rootfs ${filesize} >>>>> 108691456 bytes written to volume rootfs >>>>> >>>>> With 4.1.2 kernel after ~600 power cut cycles, no issues with mounting the ubifs, >>>>> but observed few stack traces. >>>> But your kernel log shows an issue. It is not clear whether it comes from fastmap. >>> BTW: I forgot to ask one thing, did you test using fm_debug? >> No, if needed i can do the test again with fm_debug enabled. >> Enabled fm_debug now with the corrupted ubifs, no addiditional debug logs observed. > Okay. So far it does not really sound like a fastmap issue. > But please double check using fm_debug. Ran the power cut tests with fm_debug enabled, no additional logs are observed. After few hundred power cuts U-Boot fails to mount with -22 and kernel fails mounting with stack trace when reading the node. Log: U-Boot 2015.04 (May 18 2015 - 15:37:34) CPU: Freescale Vybrid VF500 at 396 MHz Reset cause: WDOG A5 DRAM: 128 MiB NAND: 128 MiB MMC: FSL_SDHC: 0 In: serial Out: serial Err: serial Model: Toradex Colibri VF50 128MB V38.655341, Serial# 04833251 Net: FEC Hit any key to stop autoboot: 0 Colibri VFxx # Colibri VFxx # Colibri VFxx # boot Booting from NAND... UBI: default fastmap pool size: 50 UBI: default fastmap WL pool size: 25 UBI: attaching mtd1 to ubi0 UBI: attached by fastmap UBI: fastmap pool size: 50 UBI: fastmap WL pool size: 25 UBI: attached mtd1 (name "mtd=3", size 126 MiB) to ubi0 UBI: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes UBI: min./max. I/O unit sizes: 2048/2048, sub-page size 2048 UBI: VID header offset: 2048 (aligned 2048), data offset: 4096 UBI: good PEBs: 1004, bad PEBs: 4, corrupted PEBs: 0 UBI: user volume: 1, internal volumes: 1, max. volumes count: 128 UBI: max/mean erase counter: 185/29, WL threshold: 4096, image sequence number: 0 UBI: available PEBs: 0, total reserved PEBs: 1004, PEBs reserved for bad PEB handling: 16 Error reading superblock on volume 'ubi0:rootfs' errno=-22! ubifsmount - mount UBIFS volume Usage: ubifsmount - mount 'volume-name' volume Colibri VFxx # setenv bootargs ${defargs} ${ubiargs} ${mtdparts} ${setupargs} ${vidargs} Colibri VFxx # dhcp ${kernel_addr_r} && tftp ${fdt_addr_r} ${soc}-colibri-${fdt_board}.dtb && bootz ${kernel_addr_r} - ${fdt_addr_r} BOOTP broadcast 1 DHCP client bound to address 10.18.0.139 (5 ms) Using FEC device TFTP from server 10.18.0.132; our IP address is 10.18.0.139 Filename 'zImage'. Load address: 0x82000000 Loading: ################################################################# ################################################################# ################################################################# ################################################################# ########################################### 1.2 MiB/s done Bytes transferred = 4433808 (43a790 hex) Using FEC device TFTP from server 10.18.0.132; our IP address is 10.18.0.139 Filename 'vf500-colibri-eval-v3.dtb'. Load address: 0x84000000 Loading: ## 588.9 KiB/s done Bytes transferred = 21126 (5286 hex) Kernel image @ 0x82000000 [ 0x000000 - 0x43a790 ] ## Flattened Device Tree blob at 84000000 Booting using the fdt blob at 0x84000000 Loading Device Tree to 876ff000, end 87707285 ... OK Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.1.2-00312-g796aee8 (dvb@dev) (gcc version 4.9.3 20141031 (prerelease) (Linaro GCC 2014.11) ) #4 Tue Jul 14 18:02:37 I5 [ 0.000000] CPU: ARMv7 Processor [410fc051] revision 1 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] Machine model: Toradex Colibri VF50 on Colibri Evaluation Board [ 0.000000] cma: Reserved 16 MiB at 0x86400000 [ 0.000000] Memory policy: Data cache writeback [ 0.000000] CPU: All CPU(s) started in SVC mode. [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32004 [ 0.000000] Kernel command line: ubi.mtd=ubi root=ubi0:rootfs rootfstype=ubifs ubi.fm_autoconvert=1 ubi.fm_debug=1 mtdparts=vf610_nfc:128k(vf-bcb0 [ 0.000000] PID hash table entries: 512 (order: -1, 2048 bytes) [ 0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) [ 0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) [ 0.000000] Memory: 103168K/129024K available (5719K kernel code, 201K rwdata, 1844K rodata, 216K init, 171K bss, 9472K reserved, 16384K cma-rese) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) [ 0.000000] vmalloc : 0x88000000 - 0xff000000 (1904 MB) [ 0.000000] lowmem : 0x80000000 - 0x87e00000 ( 126 MB) [ 0.000000] modules : 0x7f000000 - 0x80000000 ( 16 MB) [ 0.000000] .text : 0x80008000 - 0x8076b04c (7565 kB) [ 0.000000] .init : 0x8076c000 - 0x807a2000 ( 216 kB) [ 0.000000] .data : 0x807a2000 - 0x807d44e0 ( 202 kB) [ 0.000000] .bss : 0x807d44e0 - 0x807ff1d0 ( 172 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] L2C: failed to init: -19 [ 0.000054] sched_clock: 64 bits at 132MHz, resolution 7ns, wraps every 2199023255551ns [ 0.000124] clocksource arm_global_timer: mask: 0xffffffffffffffff max_cycles: 0x1e7178659b, max_idle_ns: 440795204301 ns [ 0.000841] Console: colour dummy device 80x30 [ 0.002050] console [tty1] enabled [ 0.002147] Calibrating delay loop... 262.96 BogoMIPS (lpj=1314816) [ 0.070305] pid_max: default: 32768 minimum: 301 [ 0.070664] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.070779] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.072721] CPU: Testing write buffer coherency: ok [ 0.073666] Setting up static identity map for 0x80008200 - 0x80008258 [ 0.077519] devtmpfs: initialized [ 0.093174] VFP support v0.3: implementor 41 architecture 2 part 30 variant 5 rev 1 [ 0.094210] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.097837] pinctrl core: initialized pinctrl subsystem [ 0.101264] NET: Registered protocol family 16 [ 0.105157] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.108118] cpuidle: using governor menu [ 0.137763] hw-breakpoint: found 2 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.137919] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.138989] vf610-pinctrl 40048000.iomuxc: initialized IMX pinctrl driver [ 0.174491] SCSI subsystem initialized [ 0.175762] usbcore: registered new interface driver usbfs [ 0.176105] usbcore: registered new interface driver hub [ 0.176478] usbcore: registered new device driver usb [ 0.179128] i2c i2c-0: IMX I2C adapter registered [ 0.179415] i2c i2c-0: using dma0chan0 (tx) and dma0chan1 (rx) for DMA transfers [ 0.179894] Linux video capture interface: v2.00 [ 0.180453] pps_core: LinuxPPS API ver. 1 registered [ 0.180544] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.180774] PTP clock support registered [ 0.182240] Advanced Linux Sound Architecture Driver Initialized. [ 0.185232] Switched to clocksource arm_global_timer [ 0.223890] NET: Registered protocol family 2 [ 0.226465] TCP established hash table entries: 1024 (order: 0, 4096 bytes) [ 0.226631] TCP bind hash table entries: 1024 (order: 0, 4096 bytes) [ 0.226744] TCP: Hash tables configured (established 1024 bind 1024) [ 0.227141] UDP hash table entries: 256 (order: 0, 4096 bytes) [ 0.227273] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) [ 0.227890] NET: Registered protocol family 1 [ 0.228993] RPC: Registered named UNIX socket transport module. [ 0.229121] RPC: Registered udp transport module. [ 0.229190] RPC: Registered tcp transport module. [ 0.229252] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.234875] futex hash table entries: 256 (order: -1, 3072 bytes) [ 0.259703] NFS: Registering the id_resolver key type [ 0.259925] Key type id_resolver registered [ 0.260013] Key type id_legacy registered [ 0.260168] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.262003] ntfs: driver 2.1.32 [Flags: R/W]. [ 0.263686] fuse init (API version 7.23) [ 0.272665] io scheduler noop registered [ 0.272800] io scheduler deadline registered [ 0.273025] io scheduler cfq registered (default) [ 0.284568] backlight supply power not found, using dummy regulator [ 0.306663] Console: switching to colour frame buffer device 80x30 [ 0.318568] fb0: fb device registered successfully. [ 0.324027] fb1: fb device registered successfully. [ 0.329358] fb2: fb device registered successfully. [ 0.334407] fb3: fb device registered successfully. [ 0.339438] fb4: fb device registered successfully. [ 0.344143] fb5: fb device registered successfully. [ 0.349692] 40027000.serial: ttyLP0 at MMIO 0x40027000 (irq = 20, base_baud = 4125000) is a FSL_LPUART [ 0.894689] console [ttyLP0] enabled [ 0.903762] 40028000.serial: ttyLP1 at MMIO 0x40028000 (irq = 21, base_baud = 4125000) is a FSL_LPUART [ 0.922873] 40029000.serial: ttyLP2 at MMIO 0x40029000 (irq = 22, base_baud = 4125000) is a FSL_LPUART [ 0.961752] loop: module loaded [ 0.973019] nand: device found, Manufacturer ID: 0xc2, Chip ID: 0xf1 [ 0.983874] nand: Macronix NAND 128MiB 3,3V 8-bit [ 0.993009] nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64 [ 1.009656] Bad block table found at page 65472, version 0x01 [ 1.020289] Bad block table found at page 65408, version 0x01 [ 1.030998] 4 cmdlinepart partitions found on MTD device vf610_nfc [ 1.041879] Creating 4 MTD partitions on "vf610_nfc": [ 1.051654] 0x000000000000-0x000000020000 : "vf-bcb" [ 1.062715] 0x000000020000-0x000000180000 : "u-boot" [ 1.073559] 0x000000180000-0x000000200000 : "u-boot-env" [ 1.084735] 0x000000200000-0x000008000000 : "ubi" [ 1.102282] 400d1000.ethernet supply phy not found, using dummy regulator [ 1.123935] libphy: fec_enet_mii_bus: probed [ 1.135101] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.147887] usbcore: registered new interface driver usb-storage [ 1.159979] usbcore: registered new interface driver usbserial [ 1.171122] usbcore: registered new interface driver usbserial_generic [ 1.182724] usbserial: USB Serial support registered for generic [ 1.193912] usbcore: registered new interface driver ftdi_sio [ 1.204717] usbserial: USB Serial support registered for FTDI USB Serial Device [ 1.221540] usbcore: registered new interface driver pl2303 [ 1.232067] usbserial: USB Serial support registered for pl2303 [ 1.252895] imx_usb 400b4000.usb: Can't register ci_hdrc platform device, err=-517 [ 1.271955] mousedev: PS/2 mouse device common for all mice [ 1.284327] rtc-ds1307: probe of 0-0068 failed with error -5 [ 1.296958] snvs_rtc 400a7034.snvs-rtc-lp: rtc core: registered 400a7034.snvs-rtc-l as rtc0 [ 1.315370] i2c /dev entries driver [ 1.328192] imx2-wdt 4003e000.wdog: timeout 60 sec (nowayout=0) [ 1.339765] sdhci: Secure Digital Host Controller Interface driver [ 1.351087] sdhci: Copyright(c) Pierre Ossman [ 1.360675] sdhci-pltfm: SDHCI platform and OF driver helper [ 1.372955] /soc/aips-bus@40080000/esdhc@400b2000: voltage-ranges unspecified [ 1.385812] sdhci-esdhc-imx 400b2000.esdhc: Got CD GPIO [ 1.396871] sdhci-esdhc-imx 400b2000.esdhc: No vmmc regulator found [ 1.408545] sdhci-esdhc-imx 400b2000.esdhc: No vqmmc regulator found [ 1.455367] mmc0: SDHCI controller on 400b2000.esdhc [400b2000.esdhc] using ADMA [ 1.478770] usbcore: registered new interface driver usbhid [ 1.490006] usbhid: USB HID core driver [ 1.500507] 4003b000.adc supply vref not found, using dummy regulator [ 1.517613] 400bb000.adc supply vref not found, using dummy regulator [ 1.534556] Netfilter messages via NETLINK v0.30. [ 1.546012] nfnl_acct: registering with nfnetlink. [ 1.556142] nf_conntrack version 0.5.0 (1868 buckets, 7472 max) [ 1.572515] nf_tables: (c) 2007-2009 Patrick McHardy [ 1.586430] ip_tables: (C) 2000-2006 Netfilter Core Team [ 1.599772] NET: Registered protocol family 10 [ 1.613556] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 1.624325] sit: IPv6 over IPv4 tunneling driver [ 1.637185] NET: Registered protocol family 17 [ 1.646985] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this. [ 1.669933] Bridge firewalling registered [ 1.680590] 8021q: 802.1Q VLAN Support v1.8 [ 1.692142] Key type dns_resolver registered [ 1.702005] Registering SWP/SWPB emulation handler [ 1.715193] registered taskstats version 1 [ 1.730262] usbh_vbus: supplied by 5v0 [ 1.744936] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 1.754998] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 [ 1.785483] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 1.801830] hub 1-0:1.0: USB hub found [ 1.810607] hub 1-0:1.0: 1 port detected [ 1.823065] input: colibri-vf50-ts as /devices/platform/vf50_touchctrl/input/input0 [ 1.842329] toradex,vf50_touchctrl vf50_touchctrl: Attached colibri-vf50-ts driver successfully [ 1.862105] ubi0: default fastmap pool size: 50 [ 1.871770] ubi0: default fastmap WL pool size: 25 [ 1.881478] ubi0: attaching mtd3 [ 1.962475] ubi0: attached by fastmap [ 1.970933] ubi0: fastmap pool size: 50 [ 1.979367] ubi0: fastmap WL pool size: 25 [ 2.135517] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 2.298663] hub 1-1:1.0: USB hub found [ 2.307624] hub 1-1:1.0: 4 ports detected [ 2.433347] ubi0: scanning is finished [ 2.446548] ubi0: attached mtd3 (name "ubi", size 126 MiB) [ 2.456528] ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes [ 2.467905] ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048 [ 2.479213] ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096 [ 2.490787] ubi0: good PEBs: 1004, bad PEBs: 4, corrupted PEBs: 0 [ 2.501544] ubi0: user volume: 1, internal volumes: 1, max. volumes count: 128 [ 2.518002] ubi0: max/mean erase counter: 185/19, WL threshold: 4096, image sequence number: 0 [ 2.536247] ubi0: available PEBs: 0, total reserved PEBs: 1004, PEBs reserved for bad PEB handling: 16 [ 2.556011] ubi0: background thread "ubi_bgt0d" started, PID 51 [ 2.568689] snvs_rtc 400a7034.snvs-rtc-lp: setting system clock to 1970-01-01 00:00:01 UTC (1) [ 2.604265] ALSA device list: [ 2.612344] No soundcards found. [ 2.645776] usb 1-1.3: new high-speed USB device number 3 using ci_hdrc [ 2.657942] UBIFS (ubi0:0): recovery needed [ 2.779547] usb-storage 1-1.3:1.0: USB Mass Storage device detected [ 2.799038] scsi host0: usb-storage 1-1.3:1.0 [ 2.847326] UBIFS error (ubi0:0 pid 1): ubifs_read_node: bad node type (255 but expected 3) [ 2.866839] UBIFS error (ubi0:0 pid 1): ubifs_read_node: bad node at LEB 981:70368, LEB mapping status 1 [ 2.887961] Not a node, first 24 bytes: [ 2.891864] 00000000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ........................ [ 2.922636] CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.2-00312-g796aee8 #4 [ 2.935771] Hardware name: Freescale Vybrid VF5xx/VF6xx (Device Tree) [ 2.948373] Backtrace: [ 2.956951] [<80012ab8>] (dump_backtrace) from [<80012cd8>] (show_stack+0x18/0x1c) [ 2.976494] r7:00000000 r6:00000000 r5:000003d5 r4:000112e0 [ 2.988441] [<80012cc0>] (show_stack) from [<805982a8>] (dump_stack+0x24/0x28) [ 3.007490] [<80598284>] (dump_stack) from [<8022e45c>] (ubifs_read_node+0x294/0x310) [ 3.027250] [<8022e1c8>] (ubifs_read_node) from [<8022e580>] (ubifs_read_node_wbuf+0xa8/0x2fc) [ 3.047959] r10:000003d5 r9:00000049 r8:87bfbc00 r7:00000003 r6:87b54000 r5:87bc3f20 [ 3.068618] r4:000112e0 [ 3.077490] [<8022e4d8>] (ubifs_read_node_wbuf) from [<8024bc10>] (ubifs_tnc_read_node+0x50/0x140) [ 3.099047] r10:85c05700 r9:87bfbc00 r8:85c05700 r7:00000003 r6:87bfbc00 r5:87b54000 [ 3.119822] r4:85c05730 [ 3.128608] [<8024bbc0>] (ubifs_tnc_read_node) from [<8022f4b0>] (tnc_read_node_nm+0xcc/0x1e4) [ 3.149628] r8:85c05700 r7:87b541c0 r6:87b54000 r5:87bfbc00 r4:85c05730 [ 3.163055] [<8022f3e4>] (tnc_read_node_nm) from [<80232ff8>] (ubifs_tnc_next_ent+0x140/0x1a4) [ 3.184179] r7:87b541c0 r6:87b54000 r5:87849c38 r4:00000030 [ 3.196516] [<80232eb8>] (ubifs_tnc_next_ent) from [<80233110>] (ubifs_tnc_remove_ino+0xb4/0x144) [ 3.217959] r10:87b54000 r9:00006961 r8:ffffffff r7:00000000 r6:000003d5 r5:87b54000 [ 3.238613] r4:87bddf60 [ 3.247434] [<8023305c>] (ubifs_tnc_remove_ino) from [<80235cdc>] (ubifs_replay_journal+0xe9c/0x1490) [ 3.269059] r10:87b54000 r9:87849d08 r8:87bddf40 r7:87b54930 r6:000003d5 r5:00000000 [ 3.289546] r4:87bddf60 [ 3.298171] [<80234e40>] (ubifs_replay_journal) from [<8022a890>] (ubifs_mount+0x10f8/0x1740) [ 3.318665] r10:87b54190 r9:00000000 r8:0001e5a0 r7:87bd0400 r6:87b54000 r5:00000000 [ 3.339106] r4:00000000 [ 3.347742] [<80229798>] (ubifs_mount) from [<800c5064>] (mount_fs+0x1c/0xac) [ 3.361078] r10:00008001 r9:00000060 r8:807b3428 r7:807b3428 r6:00008001 r5:87bc2d00 [ 3.381290] r4:87b086c0 [ 3.389932] [<800c5048>] (mount_fs) from [<800dc2b8>] (vfs_kern_mount+0x50/0xfc) [ 3.409213] r8:00000000 r7:807b3428 r6:00008001 r5:87bc2d00 r4:87b086c0 [ 3.422307] [<800dc268>] (vfs_kern_mount) from [<800def84>] (do_mount+0x19c/0x9b4) [ 3.441758] r9:00000060 r8:87bc2cc0 r7:87bc2d00 r6:807ab698 r5:00000000 r4:807b3428 [ 3.461842] [<800dede8>] (do_mount) from [<800dfad8>] (SyS_mount+0x7c/0xa8) [ 3.475003] r10:87b9b000 r9:807982e8 r8:00008001 r7:806c98b0 r6:00000000 r5:87bc2d00 [ 3.495279] r4:87bc2cc0 [ 3.503823] [<800dfa5c>] (SyS_mount) from [<8076d1f4>] (mount_block_root+0x144/0x270) [ 3.523579] r8:87de9360 r7:87b9b000 r6:807982d8 r5:87b9b000 r4:00008001 [ 3.536745] [<8076d0b0>] (mount_block_root) from [<8076d4e8>] (prepare_namespace+0xb0/0x1a4) [ 3.557450] r10:807982b4 r9:8076c5ec r8:00000097 r7:807d4500 r6:807d4500 r5:807982e8 [ 3.577758] r4:807982d8 [ 3.586342] [<8076d438>] (prepare_namespace) from [<8076ce9c>] (kernel_init_freeable+0x1bc/0x1d0) [ 3.607503] r5:00000008 r4:807a0c60 [ 3.617295] [<8076cce0>] (kernel_init_freeable) from [<805959b0>] (kernel_init+0x18/0xf0) [ 3.637662] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80595998 [ 3.658098] r4:807d4500 [ 3.666783] [<80595998>] (kernel_init) from [<8000f668>] (ret_from_fork+0x14/0x2c) [ 3.686456] r5:80595998 r4:00000000 [ 3.698481] List of all partitions: [ 3.707956] No filesystem could mount root, tried: ubifs [ 3.719340] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 3.738887] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) > > P.s: Why are you writing me privately? > > Thanks, > //richard Best regards, Bhuvan