[U-Boot] arm: imx: Kernel not booting when environment is in QSPI
Fabio Estevam
festevam at gmail.com
Tue Jun 9 17:02:29 CEST 2015
Adding some FSL folks in case they have some suggestions.
Regards,
Fabio Estevam
On Tue, Jun 9, 2015 at 11:41 AM, Matthias Weißer <m.weisser.m at gmail.com> wrote:
> Hi
>
> I work with an imx6sx sdb. I observed that placing u-boot in QSPI
> flash and also having the environment in QSPI the linux kernel doesn't
> boot. The backtrace from the kernel contains 'fsl_qspi_probe'. If only
> u-boot resides in QSPI and the environment is on mmc then the kernel
> boots successfully.
>
> Some more investigation showed that even when u-boot and the
> environment is on mmc a simple
> => sf probe 1:0
> causing the kernel not to boot.
>
> So I suspect a problem with u-boot not leaving the QSPI hardware in a
> sane state for the kernel driver to take over control. If no serial
> flash operations are executed in u-boot I can access the flash in
> linux via mtd.
>
> Kernel and u-boot are both current git HEAD with minor changes. Anyone
> with an idea?
>
> Regards
> Matthias
>
> Kernel output:
> Starting kernel ...
>
> [ 0.000000] Booting Linux on physical CPU 0x0
> [ 0.000000] Linux version 4.1.0-rc7-00047-g5879ae5-dirty
> (mweisser at ldev) (gcc version 4.9.2 (crosstool-NG 1.20.0) ) #2 Tue Jun
> 9 09:40:49 CEST 2015
> [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c53c7d
> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing
> instruction cache
> [ 0.000000] Machine model: Freescale i.MX6 SoloX SDB RevB Board
> [ 0.000000] cma: Reserved 16 MiB at 0xbf000000
> [ 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: 260096
> [ 0.000000] Kernel command line: console=ttymxc0,115200 ip=dhcp
> root=/dev/nfs nfsroot=192.168.1.60:/data/users/mweisser/tgt-fs/linux-fs
> consoleblank=0
> [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
> [ 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: 1006056K/1048576K available (6035K kernel code,
> 321K rwdata, 1960K rodata, 232K init, 8310K bss, 26136K reserved,
> 16384K cma-reserved, 0K highmem)
> [ 0.000000] Virtual kernel memory layout:
> [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
> [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
> [ 0.000000] vmalloc : 0xc0800000 - 0xff000000 (1000 MB)
> [ 0.000000] lowmem : 0x80000000 - 0xc0000000 (1024 MB)
> [ 0.000000] pkmap : 0x7fe00000 - 0x80000000 ( 2 MB)
> [ 0.000000] modules : 0x7f000000 - 0x7fe00000 ( 14 MB)
> [ 0.000000] .text : 0x80008000 - 0x807d7044 (7997 kB)
> [ 0.000000] .init : 0x807d8000 - 0x80812000 ( 232 kB)
> [ 0.000000] .data : 0x80812000 - 0x808624e0 ( 322 kB)
> [ 0.000000] .bss : 0x808624e0 - 0x8107ff88 (8311 kB)
> [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
> [ 0.000000] Running RCU self tests
> [ 0.000000] NR_IRQS:16 nr_irqs:16 16
> [ 0.000000] L2C-310 erratum 769419 enabled
> [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9
> [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9
> [ 0.000000] L2C-310 ID prefetch enabled, offset 1 lines
> [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled
> [ 0.000000] L2C-310 cache controller enabled, 16 ways, 256 kB
> [ 0.000000] L2C-310: CACHE_ID 0x410000c8, AUX_CTRL 0x76430001
> [ 0.000000] Switching to timer-based delay loop, resolution 333ns
> [ 0.000007] sched_clock: 32 bits at 3000kHz, resolution 333ns,
> wraps every 715827882841ns
> [ 0.000035] clocksource mxc_timer1: mask: 0xffffffff max_cycles:
> 0xffffffff, max_idle_ns: 637086815595 ns
> [ 0.000888] Console: colour dummy device 80x30
> [ 0.000918] Lock dependency validator: Copyright (c) 2006 Red Hat,
> Inc., Ingo Molnar
> [ 0.000927] ... MAX_LOCKDEP_SUBCLASSES: 8
> [ 0.000934] ... MAX_LOCK_DEPTH: 48
> [ 0.000941] ... MAX_LOCKDEP_KEYS: 8191
> [ 0.000948] ... CLASSHASH_SIZE: 4096
> [ 0.000955] ... MAX_LOCKDEP_ENTRIES: 32768
> [ 0.000961] ... MAX_LOCKDEP_CHAINS: 65536
> [ 0.000968] ... CHAINHASH_SIZE: 32768
> [ 0.000975] memory used by lock dependency info: 5167 kB
> [ 0.000983] per task-struct memory footprint: 1152 bytes
> [ 0.001006] Calibrating delay loop (skipped), value calculated
> using timer frequency.. 6.00 BogoMIPS (lpj=30000)
> [ 0.001023] pid_max: default: 32768 minimum: 301
> [ 0.001180] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
> [ 0.001196] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
> [ 0.002704] CPU: Testing write buffer coherency: ok
> [ 0.003382] Setting up static identity map for 0x80008200 - 0x80008258
> [ 0.006410] devtmpfs: initialized
> [ 0.028795] VFP support v0.3: implementor 41 architecture 3 part 30
> variant 9 rev 4
> [ 0.029434] clocksource jiffies: mask: 0xffffffff max_cycles:
> 0xffffffff, max_idle_ns: 19112604462750000 ns
> [ 0.031015] pinctrl core: initialized pinctrl subsystem
> [ 0.034119] NET: Registered protocol family 16
> [ 0.037054] DMA: preallocated 256 KiB pool for atomic coherent allocations
> [ 0.084444] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1
> watchpoint registers.
> [ 0.084460] hw-breakpoint: maximum watchpoint size is 4 bytes.
> [ 0.085511] imx6sx-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver
> [ 0.108246] vgaarb: loaded
> [ 0.108833] SCSI subsystem initialized
> [ 0.109471] usbcore: registered new interface driver usbfs
> [ 0.109628] usbcore: registered new interface driver hub
> [ 0.109804] usbcore: registered new device driver usb
> [ 0.112113] i2c i2c-0: IMX I2C adapter registered
> [ 0.112141] i2c i2c-0: can't use DMA
> [ 0.113113] i2c i2c-3: IMX I2C adapter registered
> [ 0.113138] i2c i2c-3: can't use DMA
> [ 0.113328] Linux video capture interface: v2.00
> [ 0.113607] pps_core: LinuxPPS API ver. 1 registered
> [ 0.113620] pps_core: Software ver. 5.3.6 - Copyright 2005-2007
> Rodolfo Giometti <giometti at linux.it>
> [ 0.113673] PTP clock support registered
> [ 0.114475] Advanced Linux Sound Architecture Driver Initialized.
> [ 0.117569] Switched to clocksource mxc_timer1
> [ 0.142874] NET: Registered protocol family 2
> [ 0.144438] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
> [ 0.144658] TCP bind hash table entries: 8192 (order: 6, 294912 bytes)
> [ 0.147122] TCP: Hash tables configured (established 8192 bind 8192)
> [ 0.147351] UDP hash table entries: 512 (order: 3, 40960 bytes)
> [ 0.147784] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes)
> [ 0.149190] NET: Registered protocol family 1
> [ 0.150109] RPC: Registered named UNIX socket transport module.
> [ 0.150126] RPC: Registered udp transport module.
> [ 0.150137] RPC: Registered tcp transport module.
> [ 0.150146] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [ 0.151177] CPU PMU: Failed to parse /soc/pmu/interrupt-affinity[0]
> [ 0.151253] hw perfevents: enabled with armv7_cortex_a9 PMU driver,
> 7 counters available
> [ 0.154082] futex hash table entries: 256 (order: 1, 11264 bytes)
> [ 0.174336] squashfs: version 4.0 (2009/01/31) Phillip Lougher
> [ 0.176828] NFS: Registering the id_resolver key type
> [ 0.177055] Key type id_resolver registered
> [ 0.177069] Key type id_legacy registered
> [ 0.178174] fuse init (API version 7.23)
> [ 0.183245] io scheduler noop registered
> [ 0.183277] io scheduler deadline registered
> [ 0.183366] io scheduler cfq registered (default)
> [ 0.184065] imx-weim 21b8000.weim: Driver registered.
> [ 0.190595] backlight supply power not found, using dummy regulator
> [ 0.199558] mxsfb 2220000.lcdif: initialized
> [ 0.201326] imx-sdma 20ec000.sdma: Direct firmware load for
> imx/sdma/sdma-imx6q.bin failed with error -2
> [ 0.201353] imx-sdma 20ec000.sdma: external firmware not found,
> using ROM firmware
> [ 0.208749] imx-sdma 20ec000.sdma: initialized
> [ 0.211200] pfuze100-regulator 0-0008: Full layer: 2, Metal layer: 1
> [ 0.211907] pfuze100-regulator 0-0008: FAB: 0, FIN: 0
> [ 0.211923] pfuze100-regulator 0-0008: pfuze200 found.
> [ 0.230551] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 20,
> base_baud = 5000000) is a IMX
> [ 0.882112] console [ttymxc0] enabled
> [ 0.887822] 21f4000.serial: ttymxc4 at MMIO 0x21f4000 (irq = 290,
> base_baud = 5000000) is a IMX
> [ 0.920412] brd: module loaded
> [ 0.936503] loop: module loaded
> [ 0.944576] INFO: trying to register non-static key.
> [ 0.949553] the code is fine but needs lockdep annotation.
> [ 0.955040] turning off the locking correctness validator.
> [ 0.960534] CPU: 0 PID: 1 Comm: swapper Not tainted
> 4.1.0-rc7-00047-g5879ae5-dirty #2
> [ 0.968367] Hardware name: Freescale i.MX6 SoloX (Device Tree)
> [ 0.974202] Backtrace:
> [ 0.976684] [<80012d28>] (dump_backtrace) from [<80012f48>]
> (show_stack+0x18/0x1c)
> [ 0.984257] r6:00000000 r5:be070000 r4:80987f7c r3:00000000
> [ 0.989988] [<80012f30>] (show_stack) from [<805e4fc8>]
> (dump_stack+0x24/0x28)
> [ 0.997221] [<805e4fa4>] (dump_stack) from [<80054b94>]
> (__lock_acquire+0x1e4c/0x2120)
> [ 1.005145] [<80052d48>] (__lock_acquire) from [<80055780>]
> (lock_acquire+0x74/0x94)
> [ 1.012888] r10:80861ec8 r9:be10ac00 r8:00000121 r7:00000001
> r6:00000080 r5:60000193
> [ 1.020794] r4:00000000
> [ 1.023352] [<8005570c>] (lock_acquire) from [<805ea80c>]
> (_raw_spin_lock_irqsave+0x48/0x5c)
> [ 1.031790] r7:00000000 r6:8004ed18 r5:20000193 r4:be02ff7c
> [ 1.037514] [<805ea7c4>] (_raw_spin_lock_irqsave) from [<8004ed18>]
> (complete+0x1c/0x4c)
> [ 1.045605] r6:00000000 r5:be02ff78 r4:be02ff7c
> [ 1.050273] [<8004ecfc>] (complete) from [<8039cf14>]
> (fsl_qspi_irq_handler+0x54/0x5c)
> [ 1.058191] r6:00000000 r5:08010001 r4:be02f010 r3:c0a18000
> [ 1.063916] [<8039cec0>] (fsl_qspi_irq_handler) from [<8005f2f0>]
> (handle_irq_event_percpu+0x80/0x14c)
> [ 1.073222] r5:be10ac60 r4:be34fec0
> [ 1.076832] [<8005f270>] (handle_irq_event_percpu) from
> [<8005f400>] (handle_irq_event+0x44/0x64)
> [ 1.085705] r10:be7e02c4 r9:8083e1f8 r8:be008000 r7:00000000
> r6:be34fec0 r5:be10ac60
> [ 1.093607] r4:be10ac00
> [ 1.096166] [<8005f3bc>] (handle_irq_event) from [<80061a38>]
> (handle_fasteoi_irq+0xb0/0x180)
> [ 1.104691] r6:80819d10 r5:be10ac60 r4:be10ac00 r3:00000000
> [ 1.110413] [<80061988>] (handle_fasteoi_irq) from [<8005e9f8>]
> (generic_handle_irq+0x34/0x44)
> [ 1.119025] r6:00000000 r5:00000121 r4:00000121 r3:80061988
> [ 1.124746] [<8005e9c4>] (generic_handle_irq) from [<8005eca0>]
> (__handle_domain_irq+0x5c/0xb0)
> [ 1.133444] r4:808298c8 r3:00000125
> [ 1.137054] [<8005ec44>] (__handle_domain_irq) from [<800093f4>]
> (gic_handle_irq+0x2c/0x5c)
> [ 1.145406] r8:c080e100 r7:be067cf0 r6:8081436c r5:0000007d
> r4:c080e10c r3:be067cf0
> [ 1.153226] [<800093c8>] (gic_handle_irq) from [<80013a44>]
> (__irq_svc+0x44/0x5c)
> [ 1.160713] Exception stack(0xbe067cf0 to 0xbe067d38)
> [ 1.165772] 7ce0: be7e02c4
> 8076d8e4 00000000 c0a18000
> [ 1.173955] 7d00: be02f010 be120410 be120400 be34fe40 00000000
> 8083e1f8 be7e02c4 be067d44
> [ 1.182137] 7d20: be067d48 be067d38 8046b4ec 8046b460 60000113 ffffffff
> [ 1.188752] r8:00000000 r7:be067d24 r6:ffffffff r5:60000113
> r4:8046b460 r3:00037a18
> [ 1.196579] [<8046b4dc>] (of_get_property) from [<8039d720>]
> (fsl_qspi_probe+0x284/0x524)
> [ 1.204765] [<8039d49c>] (fsl_qspi_probe) from [<8033c164>]
> (platform_drv_probe+0x4c/0xac)
> [ 1.213030] r10:00000000 r9:807d85f0 r8:00000000 r7:fffffdfb
> r6:8083e0f0 r5:be120410
> [ 1.220934] r4:81061364
> [ 1.223494] [<8033c118>] (platform_drv_probe) from [<8033a778>]
> (driver_probe_device+0x17c/0x2c0)
> [ 1.232367] r7:8083e0f0 r6:00000000 r5:be120410 r4:81061364
> [ 1.238092] [<8033a5fc>] (driver_probe_device) from [<8033a9a4>]
> (__driver_attach+0x9c/0xa0)
> [ 1.246530] r8:0000009a r7:00000000 r6:be120444 r5:8083e0f0
> r4:be120410 r3:00000000
> [ 1.254351] [<8033a908>] (__driver_attach) from [<80338a94>]
> (bus_for_each_dev+0x70/0xa4)
> [ 1.262529] r6:8033a908 r5:8083e0f0 r4:00000000 r3:be11025c
> [ 1.268251] [<80338a24>] (bus_for_each_dev) from [<8033a1cc>]
> (driver_attach+0x24/0x28)
> [ 1.276255] r6:808327b8 r5:be354880 r4:8083e0f0
> [ 1.280922] [<8033a1a8>] (driver_attach) from [<80339e68>]
> (bus_add_driver+0x150/0x1f8)
> [ 1.288934] [<80339d18>] (bus_add_driver) from [<8033b024>]
> (driver_register+0x80/0x100)
> [ 1.297025] r7:be34f580 r6:808175e0 r5:807f85d8 r4:8083e0f0
> [ 1.302748] [<8033afa4>] (driver_register) from [<8033c0a8>]
> (__platform_driver_register+0x5c/0x64)
> [ 1.311794] r5:807f85d8 r4:808175e0
> [ 1.315407] [<8033c04c>] (__platform_driver_register) from
> [<807f85f4>] (fsl_qspi_driver_init+0x1c/0x20)
> [ 1.324896] [<807f85d8>] (fsl_qspi_driver_init) from [<80009618>]
> (do_one_initcall+0x94/0x1e0)
> [ 1.333519] [<80009584>] (do_one_initcall) from [<807d8e20>]
> (kernel_init_freeable+0x128/0x1cc)
> [ 1.342217] r10:8080a330 r9:807d85f0 r8:0000009a r7:80862500
> r6:80862500 r5:00000006
> [ 1.350120] r4:80810978
> [ 1.352676] [<807d8cf8>] (kernel_init_freeable) from [<805e1b0c>]
> (kernel_init+0x18/0xf0)
> [ 1.360854] r10:00000000 r9:00000000 r8:00000000 r7:00000000
> r6:00000000 r5:805e1af4
> [ 1.368756] r4:80862500
> [ 1.371310] [<805e1af4>] (kernel_init) from [<8000f798>]
> (ret_from_fork+0x14/0x3c)
> [ 1.378880] r4:00000000 r3:00000000
> [ 3.257489] BUG: spinlock lockup suspected on CPU#0, swapper/1
> [ 3.263329] lock: 0xbe02ff7c, .magic: 00000000, .owner: <none>/-1,
> .owner_cpu: 0
> [ 3.270817] CPU: 0 PID: 1 Comm: swapper Not tainted
> 4.1.0-rc7-00047-g5879ae5-dirty #2
> [ 3.278650] Hardware name: Freescale i.MX6 SoloX (Device Tree)
> [ 3.284483] Backtrace:
> [ 3.286957] [<80012d28>] (dump_backtrace) from [<80012f48>]
> (show_stack+0x18/0x1c)
> [ 3.294529] r6:002dc6c0 r5:be02ff7c r4:00000000 r3:00000000
> [ 3.300254] [<80012f30>] (show_stack) from [<805e4fc8>]
> (dump_stack+0x24/0x28)
> [ 3.307486] [<805e4fa4>] (dump_stack) from [<800580bc>] (spin_dump+0x84/0xa4)
> [ 3.314629] [<80058038>] (spin_dump) from [<800582bc>]
> (do_raw_spin_lock+0x148/0x154)
> [ 3.322459] r5:00000000 r4:be02ff7c
> [ 3.326072] [<80058174>] (do_raw_spin_lock) from [<805ea814>]
> (_raw_spin_lock_irqsave+0x50/0x5c)
> [ 3.334857] r10:80861ec8 r9:be10ac00 r8:00000121 r7:00000000
> r6:8004ed18 r5:20000193
> [ 3.342760] r4:be02ff7c r3:be070000
> [ 3.346371] [<805ea7c4>] (_raw_spin_lock_irqsave) from [<8004ed18>]
> (complete+0x1c/0x4c)
> [ 3.354462] r6:00000000 r5:be02ff78 r4:be02ff7c
> [ 3.359127] [<8004ecfc>] (complete) from [<8039cf14>]
> (fsl_qspi_irq_handler+0x54/0x5c)
> [ 3.367045] r6:00000000 r5:08010001 r4:be02f010 r3:c0a18000
> [ 3.372767] [<8039cec0>] (fsl_qspi_irq_handler) from [<8005f2f0>]
> (handle_irq_event_percpu+0x80/0x14c)
> [ 3.382076] r5:be10ac60 r4:be34fec0
> [ 3.385685] [<8005f270>] (handle_irq_event_percpu) from
> [<8005f400>] (handle_irq_event+0x44/0x64)
> [ 3.394558] r10:be7e02c4 r9:8083e1f8 r8:be008000 r7:00000000
> r6:be34fec0 r5:be10ac60
> [ 3.402460] r4:be10ac00
> [ 3.405015] [<8005f3bc>] (handle_irq_event) from [<80061a38>]
> (handle_fasteoi_irq+0xb0/0x180)
> [ 3.413540] r6:80819d10 r5:be10ac60 r4:be10ac00 r3:00000000
> [ 3.419261] [<80061988>] (handle_fasteoi_irq) from [<8005e9f8>]
> (generic_handle_irq+0x34/0x44)
> [ 3.427873] r6:00000000 r5:00000121 r4:00000121 r3:80061988
> [ 3.433593] [<8005e9c4>] (generic_handle_irq) from [<8005eca0>]
> (__handle_domain_irq+0x5c/0xb0)
> [ 3.442292] r4:808298c8 r3:00000125
> [ 3.445901] [<8005ec44>] (__handle_domain_irq) from [<800093f4>]
> (gic_handle_irq+0x2c/0x5c)
> [ 3.454252] r8:c080e100 r7:be067cf0 r6:8081436c r5:0000007d
> r4:c080e10c r3:be067cf0
> [ 3.462070] [<800093c8>] (gic_handle_irq) from [<80013a44>]
> (__irq_svc+0x44/0x5c)
> [ 3.469555] Exception stack(0xbe067cf0 to 0xbe067d38)
> [ 3.474611] 7ce0: be7e02c4
> 8076d8e4 00000000 c0a18000
> [ 3.482794] 7d00: be02f010 be120410 be120400 be34fe40 00000000
> 8083e1f8 be7e02c4 be067d44
> [ 3.490977] 7d20: be067d48 be067d38 8046b4ec 8046b460 60000113 ffffffff
> [ 3.497591] r8:00000000 r7:be067d24 r6:ffffffff r5:60000113
> r4:8046b460 r3:00037a18
> [ 3.505414] [<8046b4dc>] (of_get_property) from [<8039d720>]
> (fsl_qspi_probe+0x284/0x524)
> [ 3.513599] [<8039d49c>] (fsl_qspi_probe) from [<8033c164>]
> (platform_drv_probe+0x4c/0xac)
> [ 3.521864] r10:00000000 r9:807d85f0 r8:00000000 r7:fffffdfb
> r6:8083e0f0 r5:be120410
> [ 3.529766] r4:81061364
> [ 3.532324] [<8033c118>] (platform_drv_probe) from [<8033a778>]
> (driver_probe_device+0x17c/0x2c0)
> [ 3.541197] r7:8083e0f0 r6:00000000 r5:be120410 r4:81061364
> [ 3.546921] [<8033a5fc>] (driver_probe_device) from [<8033a9a4>]
> (__driver_attach+0x9c/0xa0)
> [ 3.555359] r8:0000009a r7:00000000 r6:be120444 r5:8083e0f0
> r4:be120410 r3:00000000
> [ 3.563180] [<8033a908>] (__driver_attach) from [<80338a94>]
> (bus_for_each_dev+0x70/0xa4)
> [ 3.571358] r6:8033a908 r5:8083e0f0 r4:00000000 r3:be11025c
> [ 3.577080] [<80338a24>] (bus_for_each_dev) from [<8033a1cc>]
> (driver_attach+0x24/0x28)
> [ 3.585084] r6:808327b8 r5:be354880 r4:8083e0f0
> [ 3.589750] [<8033a1a8>] (driver_attach) from [<80339e68>]
> (bus_add_driver+0x150/0x1f8)
> [ 3.597761] [<80339d18>] (bus_add_driver) from [<8033b024>]
> (driver_register+0x80/0x100)
> [ 3.605852] r7:be34f580 r6:808175e0 r5:807f85d8 r4:8083e0f0
> [ 3.611575] [<8033afa4>] (driver_register) from [<8033c0a8>]
> (__platform_driver_register+0x5c/0x64)
> [ 3.620621] r5:807f85d8 r4:808175e0
> [ 3.624233] [<8033c04c>] (__platform_driver_register) from
> [<807f85f4>] (fsl_qspi_driver_init+0x1c/0x20)
> [ 3.633720] [<807f85d8>] (fsl_qspi_driver_init) from [<80009618>]
> (do_one_initcall+0x94/0x1e0)
> [ 3.642342] [<80009584>] (do_one_initcall) from [<807d8e20>]
> (kernel_init_freeable+0x128/0x1cc)
> [ 3.651040] r10:8080a330 r9:807d85f0 r8:0000009a r7:80862500
> r6:80862500 r5:00000006
> [ 3.658943] r4:80810978
> [ 3.661501] [<807d8cf8>] (kernel_init_freeable) from [<805e1b0c>]
> (kernel_init+0x18/0xf0)
> [ 3.669679] r10:00000000 r9:00000000 r8:00000000 r7:00000000
> r6:00000000 r5:805e1af4
> [ 3.677580] r4:80862500
> [ 3.680136] [<805e1af4>] (kernel_init) from [<8000f798>]
> (ret_from_fork+0x14/0x3c)
> [ 3.687706] r4:00000000 r3:00000000
> [ 3.691316] Unable to handle kernel NULL pointer dereference at
> virtual address 00000000
> [ 3.699409] pgd = 80004000
> [ 3.702119] [00000000] *pgd=00000000
> [ 3.705712] Internal error: Oops: 5 [#1] ARM
> [ 3.709985] Modules linked in:
> [ 3.713059] CPU: 0 PID: 1 Comm: swapper Not tainted
> 4.1.0-rc7-00047-g5879ae5-dirty #2
> [ 3.720891] Hardware name: Freescale i.MX6 SoloX (Device Tree)
> [ 3.726726] task: be070000 ti: be066000 task.ti: be066000
> [ 3.732134] PC is at __wake_up_common+0x24/0x88
> [ 3.736668] LR is at 0x0
> [ 3.739207] pc : [<8004e454>] lr : [<00000000>] psr: 60000193
> [ 3.739207] sp : be067b90 ip : be067bc0 fp : be067bbc
> [ 3.750686] r10: 00000001 r9 : 00000003 r8 : 00000000
> [ 3.755914] r7 : 00000000 r6 : be02ff9c r5 : be02ff78 r4 : be02ff7c
> [ 3.762443] r3 : 00000000 r2 : 00000001 r1 : 00000003 r0 : be02ff7c
> [ 3.768976] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM
> Segment kernel
> [ 3.776374] Control: 10c53c7d Table: 80004059 DAC: 00000015
> [ 3.782122] Process swapper (pid: 1, stack limit = 0xbe066208)
> [ 3.787957] Stack: (0xbe067b90 to 0xbe068000)
> [ 3.792320] 7b80: 00000000
> be02ff7c be02ff78 20000193
> [ 3.800502] 7ba0: 00000000 00000121 be10ac00 80861ec8 be067bd4
> be067bc0 8004e4d4 8004e43c
> [ 3.808685] 7bc0: 00000000 00000000 be067bf4 be067bd8 8004ed38
> 8004e4c4 c0a18000 be02f010
> [ 3.816867] 7be0: 08010001 00000000 be067c0c be067bf8 8039cf14
> 8004ed08 be34fec0 be10ac60
> [ 3.825050] 7c00: be067c44 be067c10 8005f2f0 8039cecc be34fec0
> 00000000 00000000 be10ac00
> [ 3.833232] 7c20: be10ac60 be34fec0 00000000 be008000 8083e1f8
> be7e02c4 be067c64 be067c48
> [ 3.841415] 7c40: 8005f400 8005f27c 00000000 be10ac00 be10ac60
> 80819d10 be067c84 be067c68
> [ 3.849598] 7c60: 80061a38 8005f3c8 80061988 00000121 00000121
> 00000000 be067c9c be067c88
> [ 3.857781] 7c80: 8005e9f8 80061994 00000125 808298c8 be067cc4
> be067ca0 8005eca0 8005e9d0
> [ 3.865963] 7ca0: be067cf0 c080e10c 0000007d 8081436c be067cf0
> c080e100 be067cec be067cc8
> [ 3.874146] 7cc0: 800093f4 8005ec50 00037a18 8046b460 60000113
> ffffffff be067d24 00000000
> [ 3.882328] 7ce0: be067d44 be067cf0 80013a44 800093d4 be7e02c4
> 8076d8e4 00000000 c0a18000
> [ 3.890510] 7d00: be02f010 be120410 be120400 be34fe40 00000000
> 8083e1f8 be7e02c4 be067d44
> [ 3.898693] 7d20: be067d48 be067d38 8046b4ec 8046b460 60000113
> ffffffff be067dd4 be067d48
> [ 3.906875] 7d40: 8039d720 8046b4e8 00000000 be10f300 be02f010
> 8046cd8c be067d60 be067d68
> [ 3.915058] 7d60: 00000000 00000000 be34eba0 be1119c0 be067d9c
> be34eba0 00000000 80763f0c
> [ 3.923241] 7d80: be1119c0 be34ec60 00000001 00000000 be067dc4
> be067da0 80141304 8013db28
> [ 3.931423] 7da0: be120410 00000000 81061364 81061364 be120410
> 8083e0f0 fffffdfb 00000000
> [ 3.939605] 7dc0: 807d85f0 00000000 be067df4 be067dd8 8033c164
> 8039d4a8 81061364 be120410
> [ 3.947787] 7de0: 00000000 8083e0f0 be067e1c be067df8 8033a778
> 8033c124 00000000 be120410
> [ 3.955969] 7e00: 8083e0f0 be120444 00000000 0000009a be067e3c
> be067e20 8033a9a4 8033a608
> [ 3.964152] 7e20: be11025c 00000000 8083e0f0 8033a908 be067e64
> be067e40 80338a94 8033a914
> [ 3.972334] 7e40: be0374a4 be110250 be354858 8083e0f0 be354880
> 808327b8 be067e74 be067e68
> [ 3.980517] 7e60: 8033a1cc 80338a30 be067e9c be067e78 80339e68
> 8033a1b4 8076d970 be067e88
> [ 3.988699] 7e80: 8083e0f0 807f85d8 808175e0 be34f580 be067eb4
> be067ea0 8033b024 80339d24
> [ 3.996882] 7ea0: 808175e0 807f85d8 be067ec4 be067eb8 8033c0a8
> 8033afb0 be067ed4 be067ec8
> [ 4.005064] 7ec0: 807f85f4 8033c058 be067f54 be067ed8 80009618
> 807f85e4 be067ef4 be067ee8
> [ 4.013246] 7ee0: be067f0c be067ef0 be067f00 be067ef8 80040fac
> 802a8ab4 00000034 befffae7
> [ 4.021429] 7f00: be067f54 be067f10 80041164 80040fa0 00004cb8
> 00000006 00000006 befffaf5
> [ 4.029611] 7f20: 807795fc 00000000 00000000 80810978 00000006
> 80862500 80862500 0000009a
> [ 4.037794] 7f40: 807d85f0 8080a330 be067f94 be067f58 807d8e20
> 80009590 00000006 00000006
> [ 4.045976] 7f60: 807d85f0 805ea994 00000001 80862500 805e1af4
> 00000000 00000000 00000000
> [ 4.054159] 7f80: 00000000 00000000 be067fac be067f98 805e1b0c
> 807d8d04 00000000 00000000
> [ 4.062341] 7fa0: 00000000 be067fb0 8000f798 805e1b00 00000000
> 00000000 00000000 00000000
> [ 4.070524] 7fc0: 00000000 00000000 00000000 00000000 00000000
> 00000000 00000000 00000000
> [ 4.078706] 7fe0: 00000000 00000000 00000000 00000000 00000013
> 00000000 fdfa074e da9de63d
> [ 4.086882] Backtrace:
> [ 4.089353] [<8004e430>] (__wake_up_common) from [<8004e4d4>]
> (__wake_up_locked+0x1c/0x24)
> [ 4.097619] r10:80861ec8 r9:be10ac00 r8:00000121 r7:00000000
> r6:20000193 r5:be02ff78
> [ 4.105522] r4:be02ff7c r3:00000000
> [ 4.109133] [<8004e4b8>] (__wake_up_locked) from [<8004ed38>]
> (complete+0x3c/0x4c)
> [ 4.116712] [<8004ecfc>] (complete) from [<8039cf14>]
> (fsl_qspi_irq_handler+0x54/0x5c)
> [ 4.124630] r6:00000000 r5:08010001 r4:be02f010 r3:c0a18000
> [ 4.130353] [<8039cec0>] (fsl_qspi_irq_handler) from [<8005f2f0>]
> (handle_irq_event_percpu+0x80/0x14c)
> [ 4.139659] r5:be10ac60 r4:be34fec0
> [ 4.143269] [<8005f270>] (handle_irq_event_percpu) from
> [<8005f400>] (handle_irq_event+0x44/0x64)
> [ 4.152141] r10:be7e02c4 r9:8083e1f8 r8:be008000 r7:00000000
> r6:be34fec0 r5:be10ac60
> [ 4.160044] r4:be10ac00
> [ 4.162599] [<8005f3bc>] (handle_irq_event) from [<80061a38>]
> (handle_fasteoi_irq+0xb0/0x180)
> [ 4.171124] r6:80819d10 r5:be10ac60 r4:be10ac00 r3:00000000
> [ 4.176847] [<80061988>] (handle_fasteoi_irq) from [<8005e9f8>]
> (generic_handle_irq+0x34/0x44)
> [ 4.185458] r6:00000000 r5:00000121 r4:00000121 r3:80061988
> [ 4.191180] [<8005e9c4>] (generic_handle_irq) from [<8005eca0>]
> (__handle_domain_irq+0x5c/0xb0)
> [ 4.199878] r4:808298c8 r3:00000125
> [ 4.203488] [<8005ec44>] (__handle_domain_irq) from [<800093f4>]
> (gic_handle_irq+0x2c/0x5c)
> [ 4.211839] r8:c080e100 r7:be067cf0 r6:8081436c r5:0000007d
> r4:c080e10c r3:be067cf0
> [ 4.219658] [<800093c8>] (gic_handle_irq) from [<80013a44>]
> (__irq_svc+0x44/0x5c)
> [ 4.227144] Exception stack(0xbe067cf0 to 0xbe067d38)
> [ 4.232200] 7ce0: be7e02c4
> 8076d8e4 00000000 c0a18000
> [ 4.240382] 7d00: be02f010 be120410 be120400 be34fe40 00000000
> 8083e1f8 be7e02c4 be067d44
> [ 4.248565] 7d20: be067d48 be067d38 8046b4ec 8046b460 60000113 ffffffff
> [ 4.255179] r8:00000000 r7:be067d24 r6:ffffffff r5:60000113
> r4:8046b460 r3:00037a18
> [ 4.263004] [<8046b4dc>] (of_get_property) from [<8039d720>]
> (fsl_qspi_probe+0x284/0x524)
> [ 4.271190] [<8039d49c>] (fsl_qspi_probe) from [<8033c164>]
> (platform_drv_probe+0x4c/0xac)
> [ 4.279455] r10:00000000 r9:807d85f0 r8:00000000 r7:fffffdfb
> r6:8083e0f0 r5:be120410
> [ 4.287357] r4:81061364
> [ 4.289915] [<8033c118>] (platform_drv_probe) from [<8033a778>]
> (driver_probe_device+0x17c/0x2c0)
> [ 4.298787] r7:8083e0f0 r6:00000000 r5:be120410 r4:81061364
> [ 4.304511] [<8033a5fc>] (driver_probe_device) from [<8033a9a4>]
> (__driver_attach+0x9c/0xa0)
> [ 4.312949] r8:0000009a r7:00000000 r6:be120444 r5:8083e0f0
> r4:be120410 r3:00000000
> [ 4.320772] [<8033a908>] (__driver_attach) from [<80338a94>]
> (bus_for_each_dev+0x70/0xa4)
> [ 4.328950] r6:8033a908 r5:8083e0f0 r4:00000000 r3:be11025c
> [ 4.334672] [<80338a24>] (bus_for_each_dev) from [<8033a1cc>]
> (driver_attach+0x24/0x28)
> [ 4.342677] r6:808327b8 r5:be354880 r4:8083e0f0
> [ 4.347344] [<8033a1a8>] (driver_attach) from [<80339e68>]
> (bus_add_driver+0x150/0x1f8)
> [ 4.355356] [<80339d18>] (bus_add_driver) from [<8033b024>]
> (driver_register+0x80/0x100)
> [ 4.363447] r7:be34f580 r6:808175e0 r5:807f85d8 r4:8083e0f0
> [ 4.369171] [<8033afa4>] (driver_register) from [<8033c0a8>]
> (__platform_driver_register+0x5c/0x64)
> [ 4.378217] r5:807f85d8 r4:808175e0
> [ 4.381829] [<8033c04c>] (__platform_driver_register) from
> [<807f85f4>] (fsl_qspi_driver_init+0x1c/0x20)
> [ 4.391317] [<807f85d8>] (fsl_qspi_driver_init) from [<80009618>]
> (do_one_initcall+0x94/0x1e0)
> [ 4.399938] [<80009584>] (do_one_initcall) from [<807d8e20>]
> (kernel_init_freeable+0x128/0x1cc)
> [ 4.408637] r10:8080a330 r9:807d85f0 r8:0000009a r7:80862500
> r6:80862500 r5:00000006
> [ 4.416541] r4:80810978
> [ 4.419095] [<807d8cf8>] (kernel_init_freeable) from [<805e1b0c>]
> (kernel_init+0x18/0xf0)
> [ 4.427273] r10:00000000 r9:00000000 r8:00000000 r7:00000000
> r6:00000000 r5:805e1af4
> [ 4.435176] r4:80862500
> [ 4.437730] [<805e1af4>] (kernel_init) from [<8000f798>]
> (ret_from_fork+0x14/0x3c)
> [ 4.445300] r4:00000000 r3:00000000
> [ 4.448910] Code: e1a0a002 e5b6e020 e1a08003 e59b7004 (e59e4000)
> [ 4.455027] ---[ end trace 7211a1aff17f6836 ]---
> [ 4.459650] Kernel panic - not syncing: Fatal exception in interrupt
> [ 4.466009] ---[ end Kernel panic - not syncing: Fatal exception in interrupt
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