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Message-Id: <AF1CE94F-FE95-49B1-99FF-AEC0C3EFFCA1@goldelico.com>
Date: Wed, 11 Apr 2018 09:03:17 +0200
From: "H. Nikolaus Schaller" <hns@...delico.com>
To: Ladislav Michl <ladis@...ux-mips.org>
Cc: Boris Brezillon <boris.brezillon@...e-electrons.com>,
Peter Ujfalusi <peter.ujfalusi@...com>,
Tony Lindgren <tony@...mide.com>,
Aaro Koskinen <aaro.koskinen@....fi>,
Roger Quadros <rogerq@...com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-omap <linux-omap@...r.kernel.org>,
Discussions about the Letux Kernel
<letux-kernel@...nphoenux.org>
Subject: Re: [Bug]: mtd: onenand: omap2plus: kernel panic with OneNAND on OMAP3 (DM3730) device GTA04A5
Hi Ladislav,
> Am 10.04.2018 um 22:56 schrieb Ladislav Michl <ladis@...ux-mips.org>:
>
> Hi Nikolaus,
>
> On Tue, Apr 10, 2018 at 06:25:17PM +0200, H. Nikolaus Schaller wrote:
>> Hi,
>> we just started testing the v4.16 kernel and found the
>> device no longer bootable (works with v4.15). It turned
>> out that there was a harmful modification somewhere between
>> v4.15.0 and v4.16-rc1.
>>
>> A git bisect points to this patch:
>
> Well, that's a shame... However, this code is in production for several
> months now,
Well, we could have tested earlier release-candidates...
> so could you, please put 'goto out_copy' if 'buf >= high_memory'
> condition is met, ie:
> --- a/drivers/mtd/nand/onenand/omap2.c
> +++ b/drivers/mtd/nand/onenand/omap2.c
> @@ -392,6 +392,7 @@ static int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area,
> if (buf >= high_memory) {
> struct page *p1;
>
> + goto out_copy;
> if (((size_t)buf & PAGE_MASK) !=
> ((size_t)(buf + count - 1) & PAGE_MASK))
> goto out_copy;
> and in case it does not help put the same goto at the very beginning of
> omap2_onenand_read_bufferram function and report result?
Yes, works for me. Device boots and I can mount the NAND to inspect the
ubifs.
Only omap2_onenand_write_bufferram has the same problem, but that is to
be expected.
I'll try you new patch now.
>
> Thank you for cooperation,
> ladis
Thanks for the quick reply and analysis.
BR,
Nikolaus
>
>> commit bdaca9345d41fd9420995469d27603ea62054691
>> Author: Ladislav Michl <ladis@...ux-mips.org>
>> Date: Fri Jan 12 14:16:57 2018 +0100
>>
>> mtd: onenand: omap2: Decouple DMA enabling from INT pin availability
>>
>> INT pin (gpio_irq) is not really needed for DMA but only for notification
>> when a command that needs wait has completed. DMA memcpy can be still used
>> even without gpio_irq available, so enable it unconditionally.
>>
>> Signed-off-by: Ladislav Michl <ladis@...ux-mips.org>
>> Reviewed-by: Peter Ujfalusi <peter.ujfalusi@...com>
>> Tested-by: Tony Lindgren <tony@...mide.com>
>> Tested-by: Aaro Koskinen <aaro.koskinen@....fi>
>> Acked-by: Roger Quadros <rogerq@...com>
>> Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
>>
>> Kernel panic log is attached which indeed indicates a DMA problem.
>>
>> Note that we have added compatible = "ti,omap2-onenand";
>>
>> Any suggestions, fixes?
>>
>> BR and thanks,
>> Nikolaus Schaller
>>
>>
>>
>> ## Booting kernel from Legacy Image at 82000000 ...
>> Image Name: Linux-4.16.0-letux+
>> Image Type: ARM Linux Kernel Image (uncompressed)
>> Data Size: 4456744 Bytes = 4.3 MiB
>> Load Address: 80008000
>> Entry Point: 80008000
>> Verifying Checksum ... OK
>> ## Flattened Device Tree blob at 81c00000
>> Booting using the fdt blob at 0x81c00000
>> Loading Kernel Image ... OK
>> Using Device Tree in place at 81c00000, end 81c14a1e
>>
>> Starting kernel ...
>>
>> [ 0.000000] Booting Linux on physical CPU 0x0
>> [ 0.000000] Linux version 4.16.0-letux+ (hns@...c.local) (gcc version 4.9.2 (GCC)) #2187 SMP PREEMPT Tue Apr 10 16:23:45 CEST 2018
>> [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
>> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
>> [ 0.000000] OF: fdt: Machine model: Goldelico GTA04A5/Letux 2804
>> [ 0.000000] debug: ignoring loglevel setting.
>> [ 0.000000] Memory policy: Data cache writeback
>> [ 0.000000] cma: Reserved 16 MiB at 0xbe800000
>> [ 0.000000] On node 0 totalpages: 261632
>> [ 0.000000] Normal zone: 1536 pages used for memmap
>> [ 0.000000] Normal zone: 0 pages reserved
>> [ 0.000000] Normal zone: 196608 pages, LIFO batch:31
>> [ 0.000000] HighMem zone: 65024 pages, LIFO batch:15
>> [ 0.000000] CPU: All CPU(s) started in SVC mode.
>> [ 0.000000] OMAP3630/DM3730 ES1.2 (l2cache iva sgx neon isp 192mhz_clk)
>> [ 0.000000] random: fast init done
>> [ 0.000000] percpu: Embedded 17 pages/cpu @(ptrval) s39744 r8192 d21696 u69632
>> [ 0.000000] pcpu-alloc: s39744 r8192 d21696 u69632 alloc=17*4096
>> [ 0.000000] pcpu-alloc: [0] 0
>> [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260096
>> [ 0.000000] Kernel command line: console=ttyO2,115200n8 mtdoops.mtddev=omap2.nand ubi.mtd=4 root=/dev/mmcblk0p1 rw rootfstype=ext4,ext3 rootwait console=ttyO2,115200n8 vram=12M omapfb.vram=0:8M,1:4M omapfb.rotate_type=0 omapdss.def_disp=lcd rootwait twl4030_charger.allow_usb=1 log_buf_len=8M ignore_loglevel earlyprintk
>> [ 0.000000] log_buf_len: 8388608 bytes
>> [ 0.000000] early log buf free: 63924(97%)
>> [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
>> [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
>> [ 0.000000] Memory: 1002524K/1046528K available (6169K kernel code, 626K rwdata, 1660K rodata, 1024K init, 218K bss, 27620K reserved, 16384K cma-reserved, 243712K highmem)
>> [ 0.000000] Virtual kernel memory layout:
>> [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
>> [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
>> [ 0.000000] vmalloc : 0xf0800000 - 0xff800000 ( 240 MB)
>> [ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB)
>> [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
>> [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
>> [ 0.000000] .text : 0x(ptrval) - 0x(ptrval) (7162 kB)
>> [ 0.000000] .init : 0x(ptrval) - 0x(ptrval) (1024 kB)
>> [ 0.000000] .data : 0x(ptrval) - 0x(ptrval) ( 627 kB)
>> [ 0.000000] .bss : 0x(ptrval) - 0x(ptrval) ( 219 kB)
>> [ 0.000000] Preemptible hierarchical RCU implementation.
>> [ 0.000000] RCU restricting CPUs from NR_CPUS=2 to nr_cpu_ids=1.
>> [ 0.000000] Tasks RCU enabled.
>> [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
>> [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
>> [ 0.000000] IRQ: Found an INTC at 0x(ptrval) (revision 4.0) with 96 interrupts
>> [ 0.000000] Clocking rate (Crystal/Core/MPU): 26.0/400/600 MHz
>> [ 0.000000] OMAP clockevent source: timer1 at 32768 Hz
>> [ 0.000000] clocksource: 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns
>> [ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns
>> [ 0.000000] OMAP clocksource: 32k_counter at 32768 Hz
>> [ 0.001159] Console: colour dummy device 80x30
>> [ 0.001220] Calibrating delay loop... 597.60 BogoMIPS (lpj=2988032)
>> [ 0.117279] pid_max: default: 32768 minimum: 301
>> [ 0.117462] Security Framework initialized
>> [ 0.117553] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
>> [ 0.117584] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
>> [ 0.118499] CPU: Testing write buffer coherency: ok
>> [ 0.118988] CPU0: thread -1, cpu 0, socket -1, mpidr 0
>> [ 0.157257] Setting up static identity map for 0x80100000 - 0x80100060
>> [ 0.177124] Hierarchical SRCU implementation.
>> [ 0.217041] smp: Bringing up secondary CPUs ...
>> [ 0.217071] smp: Brought up 1 node, 1 CPU
>> [ 0.217102] SMP: Total of 1 processors activated (597.60 BogoMIPS).
>> [ 0.217102] CPU: All CPU(s) started in SVC mode.
>> [ 0.219177] devtmpfs: initialized
>> [ 0.247558] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
>> [ 0.248321] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
>> [ 0.248352] futex hash table entries: 256 (order: 2, 16384 bytes)
>> [ 0.249816] pinctrl core: initialized pinctrl subsystem
>> [ 0.251129] NET: Registered protocol family 16
>> [ 0.254211] DMA: preallocated 256 KiB pool for atomic coherent allocations
>> [ 0.285614] omap_hwmod: mcbsp2_sidetone using broken dt data from mcbsp
>> [ 0.286437] omap_hwmod: mcbsp3_sidetone using broken dt data from mcbsp
>> [ 0.367187] audit: initializing netlink subsys (disabled)
>> [ 0.369598] audit: type=2000 audit(0.370:1): state=initialized audit_enabled=0 res=1
>> [ 0.376861] cpuidle: using governor menu
>> [ 0.377777] Reprogramming SDRC clock to 400000000 Hz
>> [ 0.388366] OMAP GPIO hardware version 2.5
>> [ 0.397277] GPIO line 143 (irda_en) hogged as output/high
>> [ 0.430053] omap-gpmc 6e000000.gpmc: could not find pctldev for node /ocp@...00000/l4@...00000/scm@...0/pinmux@...pinmux_gpmc_pins, deferring probe
>> [ 0.453155] No ATAGs?
>> [ 0.453155] hw-breakpoint: debug architecture 0x4 unsupported.
>> [ 0.454315] omap4_sram_init:Unable to allocate sram needed to handle errata I688
>> [ 0.454345] omap4_sram_init:Unable to get sram pool needed to handle errata I688
>> [ 0.454711] OMAP DMA hardware revision 5.0
>> [ 0.553466] omap-dma-engine 48056000.dma-controller: OMAP DMA engine driver (LinkedList1/2/3 supported)
>> [ 0.558044] reg-fixed-voltage wlan_en_regulator: could not find pctldev for node /ocp@...00000/l4@...00000/scm@...0/pinmux@...pinmux_wlan_pins, deferring probe
>> [ 0.558135] reg-fixed-voltage bt_en_regulator: could not find pctldev for node /ocp@...00000/l4@...00000/scm@...0/pinmux@...pinmux_bt_pins, deferring probe
>> [ 0.567810] omap-iommu 480bd400.mmu: 480bd400.mmu registered
>> [ 0.569183] iommu: Adding device 480bc000.isp to group 0
>> [ 0.573181] SCSI subsystem initialized
>> [ 0.573822] libata version 3.00 loaded.
>> [ 0.574768] usbcore: registered new interface driver usbfs
>> [ 0.574951] usbcore: registered new interface driver hub
>> [ 0.575195] usbcore: registered new device driver usb
>> [ 0.575897] usb_phy_generic hsusb2_phy: hsusb2_phy supply vcc not found, using dummy regulator
>> [ 0.581481] omap_i2c 48070000.i2c: bus 0 rev4.4 at 2600 kHz
>> [ 0.585662] omap_i2c 48072000.i2c: bus 1 rev4.4 at 400 kHz
>> [ 0.588562] omap_i2c 48060000.i2c: bus 2 rev4.4 at 100 kHz
>> [ 0.590576] Advanced Linux Sound Architecture Driver Initialized.
>> [ 0.595062] clocksource: Switched to clocksource 32k_counter
>> [ 0.680328] VFS: Disk quotas dquot_6.6.0
>> [ 0.680480] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
>> [ 0.713348] NET: Registered protocol family 2
>> [ 0.714935] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes)
>> [ 0.714965] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
>> [ 0.715087] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
>> [ 0.716766] TCP: Hash tables configured (established 8192 bind 8192)
>> [ 0.716979] UDP hash table entries: 512 (order: 2, 16384 bytes)
>> [ 0.717041] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
>> [ 0.717285] NET: Registered protocol family 1
>> [ 0.721435] hw perfevents: no interrupt-affinity property for /pmu@...00000, guessing.
>> [ 0.722167] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
>> [ 0.733459] Initialise system trusted keyrings
>> [ 0.734985] workingset: timestamp_bits=30 max_order=18 bucket_order=0
>> [ 0.735992] squashfs: version 4.0 (2009/01/31) Phillip Lougher
>> [ 0.740325] Key type asymmetric registered
>> [ 0.740356] Asymmetric key parser 'x509' registered
>> [ 0.740447] bounce: pool size: 64 pages
>> [ 0.740600] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
>> [ 0.740600] io scheduler noop registered
>> [ 0.740631] io scheduler deadline registered
>> [ 0.740692] io scheduler cfq registered (default)
>> [ 0.740722] io scheduler mq-deadline registered
>> [ 0.740722] io scheduler kyber registered
>> [ 0.748992] pinctrl-single 48002030.pinmux: 284 pins, size 568
>> [ 0.750823] pinctrl-single 48002a00.pinmux: 46 pins, size 92
>> [ 0.751983] pinctrl-single 480025a0.pinmux: 46 pins, size 92
>> [ 0.752716] pinctrl-single 480022d8.pinmux: please update dts to use #pinctrl-cells = <2>
>> [ 0.752838] pinctrl-single 480022d8.pinmux: initialized with no interrupts
>> [ 0.752868] pinctrl-single 480022d8.pinmux: 4 pins, size 4
>> [ 0.753448] pinctrl-single 48002274.pinmux: please update dts to use #pinctrl-cells = <2>
>> [ 0.753570] pinctrl-single 48002274.pinmux: initialized with no interrupts
>> [ 0.753601] pinctrl-single 48002274.pinmux: 4 pins, size 4
>> [ 0.765106] omap_uart 4806a000.serial: no wakeirq for uart0
>> [ 0.765808] 4806a000.serial: ttyO0 at MMIO 0x4806a000 (irq = 88, base_baud = 3000000) is a OMAP UART0
>> [ 0.766876] serial serial0: tty port ttyO0 registered
>> [ 0.767456] omap_uart 4806c000.serial: no wakeirq for uart1
>> [ 0.767669] 4806c000.serial: ttyO1 at MMIO 0x4806c000 (irq = 89, base_baud = 3000000) is a OMAP UART1
>> [ 0.768402] serial serial1: tty port ttyO1 registered
>> [ 0.769042] omap_uart 49020000.serial: no wakeirq for uart2
>> [ 0.769378] 49020000.serial: ttyO2 at MMIO 0x49020000 (irq = 90, base_baud = 3000000) is a OMAP UART2
>> [ 1.675048] console [ttyO2] enabled
>> [ 1.680389] omap_uart 49042000.serial: no wakeirq for uart3
>> [ 1.687011] 49042000.serial: ttyO3 at MMIO 0x49042000 (irq = 96, base_baud = 3000000) is a OMAP UART3
>> [ 1.720733] brd: module loaded
>> [ 1.737548] loop: module loaded
>> [ 1.768859] twl 0-0048: PIH (irq 23) chaining IRQs 145..153
>> [ 1.774841] twl 0-0048: power (irq 150) chaining IRQs 153..160
>> [ 1.790344] VAUX3: Bringing 2800000uV into 2500000-2500000uV
>> [ 1.814697] VMMC2: Bringing 2600000uV into 1800000-1800000uV
>> [ 1.822174] VMMC2: failed to apply 1800000-1800000uV constraint(-22)
>> [ 1.829162] twl4030_reg 48070000.i2c:twl@48:regulator-vmmc2: can't register VMMC2, -22
>> [ 1.837707] twl4030_reg: probe of 48070000.i2c:twl@48:regulator-vmmc2 failed with error -22
>> [ 1.856262] VSIM: Bringing 1800000uV into 2800000-2800000uV
>> [ 1.899414] libphy: Fixed MDIO Bus: probed
>> [ 1.912872] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>> [ 1.920806] usbcore: registered new interface driver usb-storage
>> [ 1.928375] mousedev: PS/2 mouse device common for all mice
>> [ 1.937164] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected.
>> [ 1.944396] twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC
>> [ 1.953063] twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48:rtc as rtc0
>> [ 1.963684] i2c /dev entries driver
>> [ 1.968963] IR NEC protocol handler initialized
>> [ 1.973693] IR RC5(x/sz) protocol handler initialized
>> [ 1.979553] IR RC6 protocol handler initialized
>> [ 1.984313] IR JVC protocol handler initialized
>> [ 1.989166] IR Sony protocol handler initialized
>> [ 1.994018] IR SANYO protocol handler initialized
>> [ 1.999114] IR Sharp protocol handler initialized
>> [ 2.004058] IR MCE Keyboard/mouse protocol handler initialized
>> [ 2.010223] IR XMP protocol handler initialized
>> [ 2.014984] Driver for 1-wire Dallas network protocol.
>> [ 2.022155] ti-soc-thermal 48002524.bandgap: This OMAP thermal sensor is unreliable. You've been warned
>> [ 2.032592] ti-soc-thermal 48002524.bandgap: Non-trimmed BGAP, Temp not accurate
>> [ 2.043121] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
>> [ 2.103393] ledtrig-cpu: registered to indicate activity on CPUs
>> [ 2.111541] usbcore: registered new interface driver usbhid
>> [ 2.119415] usbhid: USB HID core driver
>> [ 2.123901] ashmem: initialized
>> [ 2.131225] oprofile: using arm/armv7
>> [ 2.135131] mmc0: host does not support reading read-only switch, assuming write-enable
>> [ 2.144989] Initializing XFRM netlink socket
>> [ 2.149841] mmc0: new high speed SDHC card at address b368
>> [ 2.155792] NET: Registered protocol family 17
>> [ 2.160491] NET: Registered protocol family 15
>> [ 2.166320] mmcblk0: mmc0:b368 USD 7.47 GiB
>> [ 2.172180] Key type dns_resolver registered
>> [ 2.178070] omap2_set_init_voltage: unable to find boot up OPP for vdd_core
>> [ 2.185546] omap2_set_init_voltage: unable to set vdd_core
>> [ 2.192779] mmcblk0: p1
>> [ 2.196899] ThumbEE CPU extension supported.
>> [ 2.201385] Registering SWP/SWPB emulation handler
>> [ 2.207519] SmartReflex Class3 initialized
>> [ 2.212921] Loading compiled-in X.509 certificates
>> [ 2.234527] omap-gpmc 6e000000.gpmc: GPMC revision 5.0
>> [ 2.240295] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000
>> [ 2.248382] omap2-onenand 4000000.onenand: initializing on CS0 (0x04000000), va 5c982521, DMA mode
>> [ 2.258270] OneNAND Manufacturer: Samsung (0xec)
>> [ 2.263092] Muxed OneNAND 512MB 1.8V 16-bit (0x50)
>> [ 2.268188] OneNAND version = 0x0232
>> [ 2.271942] Chip support all block unlock
>> [ 2.276153] Chip has 4KiB pagesize
>> [ 2.279724] Chip has cache program feature
>> [ 2.285552] Scanning device for bad blocks
>> [ 2.393066] onenand_bbt_wait: ecc 0xaaaa ctrl 0x0400 intr 0x8080 addr1 0x34b addr8 0x0
>> [ 2.401367] OneNAND eraseblock 843 is an initial bad block
>> [ 2.554351] omap2-onenand 4000000.onenand: optimized timings for 83 MHz
>> [ 2.561340] 5 ofpart partitions found on MTD device 4000000.onenand
>> [ 2.567932] Creating 5 MTD partitions on "4000000.onenand":
>> [ 2.573730] 0x000000000000-0x000000080000 : "X-Loader"
>> [ 2.580718] 0x000000080000-0x000000240000 : "U-Boot"
>> [ 2.587799] 0x000000240000-0x000000280000 : "U-Boot Env"
>> [ 2.595153] 0x000000280000-0x000000880000 : "Kernel"
>> [ 2.602325] 0x000000880000-0x000020000000 : "File System"
>> [ 2.732788] ubi0: default fastmap pool size: 100
>> [ 2.739837] ubi0: default fastmap WL pool size: 50
>> [ 2.744903] ubi0: attaching mtd4
>> [ 2.751831] omap_hsmmc 480b4000.mmc: card claims to support voltages below defined range
>> [ 2.788055] mmc1: new high speed SDIO card at address 0001
>> [ 2.910888] ubi0: scanning is finished
>> [ 2.915283] Unable to handle kernel NULL pointer dereference at virtual address 00000000
>> [ 2.923767] pgd = 3b4ffe8c
>> [ 2.926635] [00000000] *pgd=00000000
>> [ 2.930389] Internal error: Oops: 805 [#1] PREEMPT SMP ARM
>> [ 2.936126] Modules linked in:
>> [ 2.939300] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.16.0-letux+ #2187
>> [ 2.946411] Hardware name: Generic OMAP36xx (Flattened Device Tree)
>> [ 2.952972] PC is at v7_dma_inv_range+0x30/0x48
>> [ 2.957733] LR is at dma_cache_maint_page+0xd0/0xe0
>> [ 2.962799] pc : [<c0118abc>] lr : [<c0113330>] psr: 60000113
>> [ 2.969360] sp : ee0afca8 ip : c0118b3c fp : c0a03d54
>> [ 2.974822] r10: 00000002 r9 : 00001000 r8 : c0abcb00
>> [ 2.980255] r7 : c0a06b84 r6 : 000c0000 r5 : 00001000 r4 : 00000000
>> [ 2.987091] r3 : 0000003f r2 : 00000040 r1 : 00001000 r0 : 00000000
>> [ 2.993896] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
>> [ 3.001342] Control: 10c5387d Table: 80004019 DAC: 00000051
>> [ 3.007354] Process swapper/0 (pid: 1, stack limit = 0xb7652d0f)
>> [ 3.013641] Stack: (0xee0afca8 to 0xee0b0000)
>> [ 3.018188] fca0: efff9000 00000000 00001000 00000000 00001000 efff9000
>> [ 3.026733] fcc0: 00000002 00000000 ee6f7aa8 02c41000 04000000 c0113360 c0118b3c 00000000
>> [ 3.035278] fce0: 00001000 efff9000 00000000 ee6f4810 00001000 c0113444 00000400 00000000
>> [ 3.043792] fd00: ee6f7820 c0515110 00000002 00000000 f0957000 c0514fc0 ee6f7820 ee0afdc8
>> [ 3.052368] fd20: 00000000 00001000 ee6f7aa8 02c41000 00000000 c0511f94 00001000 ee731580
>> [ 3.060913] fd40: 00006000 f0957000 00001000 00000000 00000000 00000000 00000000 00000080
>> [ 3.069458] fd60: 00000000 00000000 00000000 00000fff 00007000 ee724400 00000000 00000000
>> [ 3.078002] fd80: ee0afe24 00880000 00000000 ee0afdc8 00000000 c04f86b0 ee0afdc8 00000000
>> [ 3.086547] fda0: 023c1000 00000000 00006000 ee724400 c04f867c c04f6588 ee0afdc8 c0acad34
>> [ 3.095092] fdc0: c022f98c ee71f440 00000000 00006000 00000000 00000000 00000000 00000000
>> [ 3.103637] fde0: f0957000 00000000 ee71f440 ee387000 00006000 0000008f 00001000 023c1000
>> [ 3.112182] fe00: 00000000 f0957000 00000004 c051ebb8 00006000 ee0afe24 f0957000 c022fad0
>> [ 3.120727] fe20: 014080c0 00000000 00000000 ee387000 ee7366f0 ee72fa80 ee0afe68 ee736710
>> [ 3.129272] fe40: 00000014 c0acad34 00000000 c051643c 00006000 c0acad34 00000000 c023ad90
>> [ 3.137817] fe60: f0957000 00000000 ee387000 00000000 ee387000 00000000 ee724400 ee387040
>> [ 3.146362] fe80: 00000014 c0acad34 00000000 c0524e60 ee387000 ee72fa80 00000000 ee387000
>> [ 3.154907] fea0: 00000000 ee387040 00000014 c051996c c0acad34 00000000 c0acad34 c095483c
>> [ 3.163482] fec0: ee724400 00000004 000000bc 00000000 c0acad38 ee724400 c0acad34 00000000
>> [ 3.171997] fee0: c0a9c900 c095483c 00000000 c093b4f0 00000000 00000000 c0a06ca0 c0acad39
>> [ 3.180541] ff00: 00000007 c093b3b8 000000bc c09705f4 00000000 c0102818 000000bb c08a5ca0
>> [ 3.189086] ff20: 00000000 c014973c 00000000 c08a4e04 00000007 00000007 c08a5cb4 efffcad4
>> [ 3.197662] ff40: 000000bb c08a5cb4 efffcad4 00000000 c095483c 00000007 c0954834 000000bc
>> [ 3.206207] ff60: 00000007 c0954838 000000bc c09705f4 c0a9c900 c0900d78 00000007 00000007
>> [ 3.214752] ff80: 00000000 c090058c 00000000 c06ff350 00000000 00000000 00000000 00000000
>> [ 3.223297] ffa0: 00000000 c06ff358 00000000 c01010e8 00000000 00000000 00000000 00000000
>> [ 3.231842] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
>> [ 3.240386] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 ffdfffff fffffd7f
>> [ 3.248962] [<c0118abc>] (v7_dma_inv_range) from [<c0113330>] (dma_cache_maint_page+0xd0/0xe0)
>> [ 3.257965] [<c0113330>] (dma_cache_maint_page) from [<c0113360>] (__dma_page_cpu_to_dev+0x20/0x90)
>> [ 3.267456] [<c0113360>] (__dma_page_cpu_to_dev) from [<c0113444>] (arm_dma_map_page+0x30/0x64)
>> [ 3.276550] [<c0113444>] (arm_dma_map_page) from [<c0515110>] (omap2_onenand_read_bufferram+0x150/0x348)
>> [ 3.286468] [<c0515110>] (omap2_onenand_read_bufferram) from [<c0511f94>] (onenand_read_oob+0x164/0x668)
>> [ 3.296386] [<c0511f94>] (onenand_read_oob) from [<c04f86b0>] (part_read_oob+0x34/0x6c)
>> [ 3.304748] [<c04f86b0>] (part_read_oob) from [<c04f6588>] (mtd_read+0xc8/0x108)
>> [ 3.312499] [<c04f6588>] (mtd_read) from [<c051ebb8>] (ubi_io_read+0x158/0x250)
>> [ 3.320129] [<c051ebb8>] (ubi_io_read) from [<c051643c>] (ubi_read_volume_table+0x1ac/0x8f8)
>> [ 3.328948] [<c051643c>] (ubi_read_volume_table) from [<c0524e60>] (ubi_attach+0x134/0x214)
>> [ 3.337677] [<c0524e60>] (ubi_attach) from [<c051996c>] (ubi_attach_mtd_dev+0x358/0x794)
>> [ 3.346160] [<c051996c>] (ubi_attach_mtd_dev) from [<c093b4f0>] (ubi_init+0x138/0x1d8)
>> [ 3.354431] [<c093b4f0>] (ubi_init) from [<c0102818>] (do_one_initcall+0xa8/0x14c)
>> [ 3.362335] [<c0102818>] (do_one_initcall) from [<c0900d78>] (kernel_init_freeable+0x110/0x1d4)
>> [ 3.371429] [<c0900d78>] (kernel_init_freeable) from [<c06ff358>] (kernel_init+0x8/0x10c)
>> [ 3.380004] [<c06ff358>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
>> [ 3.387908] Exception stack(0xee0affb0 to 0xee0afff8)
>> [ 3.393188] ffa0: 00000000 00000000 00000000 00000000
>> [ 3.401733] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
>> [ 3.410278] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000
>> [ 3.417205] Code: 1e070f3e e1110003 e1c11003 1e071f3e (ee070f36)
>> [ 3.423736] ---[ end trace 3d1a74d3a673ac09 ]---
>> [ 3.428649] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
>> [ 3.428649]
>> [ 3.438201] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
>> [ 3.438201]
>>
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