This is on rpi3b+ running latest linux git pull, and root filesystem is "read-only" ...
Here's the full error ... This also reported on ... https://github.com/raspberrypi/linux/issues/2811 # dmesg Booting Linux on physical CPU 0x0 CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d CPU: div instructions available: patching division code OF: fdt: Machine model: Raspberry Pi 3 Model B Plus Rev 1.3 cma: Reserved 8 MiB at 0x2f800000 On node 0 totalpages: 196608 Normal zone: 1536 pages used for memmap Normal zone: 0 pages reserved Normal zone: 196608 pages, LIFO batch:63 percpu: Embedded 16 pages/cpu @(ptrval) s34444 r8192 d22900 u65536 pcpu-alloc: s34444 r8192 d22900 u65536 alloc=16*4096 pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 rcu: Hierarchical RCU implementation. rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. arch_timer: cp15 timer(s) running at 19.20MHz (phys). clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 rcu: Hierarchical SRCU implementation. smp: Bringing up secondary CPUs ... CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 smp: Brought up 1 node, 4 CPUs SMP: Total of 4 processors activated (153.60 BogoMIPS). CPU: All CPU(s) started in HYP mode. CPU: Virtualization extensions available. clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns pinctrl core: initialized pinctrl subsystem hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. hw-breakpoint: maximum watchpoint size is 8 bytes. Serial: AMBA PL011 UART driver bcm2835-mbox 3f00b880.mailbox: mailbox enabled raspberrypi-firmware soc:firmware: Request 0x00000002 returned status 0x80000001 raspberrypi-firmware soc:firmware: Attached to firmware from 2019-01-10 15:00, variant cmd unsupported raspberrypi-firmware soc:firmware: Request 0x00000003 returned status 0x80000001 Advanced Linux Sound Architecture Driver Initialized. FS-Cache: Loaded CacheFiles: Loaded hw perfevents: enabled with armv7_cortex_a7 PMU driver, 7 counters available Initialise system trusted keyrings workingset: timestamp_bits=30 max_order=18 bucket_order=0 Key type asymmetric registered Asymmetric key parser 'x509' registered bcm2835-rng 3f104000.rng: hwrng registered vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB) vc-sm: Videocore shared memory driver libphy: Fixed MDIO Bus: probed tun: Universal TUN/TAP device driver, 1.6 dwc_otg 3f980000.usb: base=0xf0980000 dwc_otg: Microframe scheduler enabled dwc_otg: FIQ disabled dwc_otg: NAK holdoff enabled dwc_otg: FIQ split-transaction FSM disabled Module dwc_common_port init IR NEC protocol handler initialized IR RC5(x/sz) protocol handler initialized IR RC6 protocol handler initialized IR JVC protocol handler initialized IR Sony protocol handler initialized IR SANYO protocol handler initialized IR Sharp protocol handler initialized IR MCE Keyboard/mouse protocol handler initialized IR XMP protocol handler initialized bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer bcm2835-cpufreq: min=600000 max=1400000 mmc-bcm2835 3f300000.mmc: could not get clk, deferring probe ledtrig-cpu: registered to indicate activity on CPUs [vc_sm_connected_init]: start [vc_sm_connected_init]: end - returning 0 bcm2835_audio bcm2835_audio: card created with 8 channels Registering SWP/SWPB emulation handler Loading compiled-in X.509 certificates uart-pl011 3f201000.serial: cts_event_workaround enabled 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 81, base_baud = 0) is a PL011 rev2 mmc-bcm2835 3f300000.mmc: mmc_debug:0 mmc_debug2:0 mmc-bcm2835 3f300000.mmc: DMA channel allocated sdhost: log_buf @ (ptrval) (ef853000) mmc1: queuing unknown CIS tuple 0x80 (2 bytes) mmc1: queuing unknown CIS tuple 0x80 (3 bytes) mmc1: queuing unknown CIS tuple 0x80 (3 bytes) mmc1: queuing unknown CIS tuple 0x80 (7 bytes) mmc0: sdhost-bcm2835 loaded - DMA enabled (>1) of_cfs_init of_cfs_init: OK ALSA device list: #0: bcm2835 ALSA Waiting for root device /dev/mmcblk0p2... mmc1: new high speed SDIO card at address 0001 mmc0: host does not support reading read-only switch, assuming write-enable mmc0: new high speed SDHC card at address aaaa mmcblk0: mmc0:aaaa SL16G 14.8 GiB mmcblk0: p1 p2 p3 p4 F2FS-fs (mmcblk0p2): Found nat_bits in checkpoint F2FS-fs (mmcblk0p2): recover fsync data on readonly fs F2FS-fs (mmcblk0p2): Mounted with checkpoint version = 33864fd VFS: Mounted root (f2fs filesystem) readonly on device 179:2. Freeing unused kernel memory: 1024K Run /sbin/init as init process lan78xx 1-1.1.1:1.0 (unnamed net_device) (uninitialized): No External EEPROM. Setting MAC Speed libphy: lan78xx-mdiobus: probed lan78xx 1-1.1.1:1.0 (unnamed net_device) (uninitialized): int urb period 64 F2FS-fs (mmcblk0p4): Found nat_bits in checkpoint F2FS-fs (mmcblk0p4): recover fsync data on readonly fs F2FS-fs (mmcblk0p4): Mounted with checkpoint version = cb5fbf0 F2FS-fs (mmcblk0p3): Found nat_bits in checkpoint F2FS-fs (mmcblk0p3): recover fsync data on readonly fs F2FS-fs (mmcblk0p3): Mounted with checkpoint version = cb5fbee Unable to handle kernel NULL pointer dereference at virtual address 00000014 pgd = e06bd8bb [00000014] *pgd=00000000 Internal error: Oops: 17 [#1] SMP ARM Modules linked in: bnep btusb btintel btbcm btrtl bluetooth ecdh_generic rfkill CPU: 2 PID: 750 Comm: kworker/u8:3 Not tainted 5.0.0-rc2 #1 Hardware name: BCM2835 Workqueue: writeback wb_workfn (flush-179:0) PC is at f2fs_balance_fs_bg+0x26c/0x2a8 LR is at f2fs_build_free_nids+0x394/0x510 pc : [<803187e4>] lr : [<803120b8>] psr: 600a0013 sp : aebe9d50 ip : aea8a840 fp : aebe9ee0 r10: 80a03d00 r9 : 80a09c88 r8 : ae5743a4 r7 : aebe9df0 r6 : 80a09c88 r5 : 80a09c88 r4 : ae270000 r3 : 00000000 r2 : aea9d600 r1 : 00000000 r0 : 00000000 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 10c5383d Table: 2ba7006a DAC: 00000055 Process kworker/u8:3 (pid: 750, stack limit = 0x295c935e) Stack: (0xaebe9d50 to 0xaebea000) 9d40: af7a1040 802f222c af7a1040 ae5c8000 9d60: ae270000 148e697c 00000000 ae270000 00000000 80311ae0 aebe9ee0 802f2774 9d80: 80941c00 aebe9df0 ae5c80ec 148e697c ae25544c aebe9df0 ae5743a4 aebe9df0 9da0: ae25544c 801b7f34 ae5742b8 ae255438 aebe9df0 80222e94 00000000 ade61588 9dc0: ae574360 ae255438 ae5742b8 ae25544c aeaa5800 802231b8 00000001 aebe8000 9de0: ffff9930 ae574320 00000000 00000c00 00000c00 00000000 00000000 00000000 9e00: ffffffff 7fffffff 00000000 00000011 80a09c88 148e697c ffbdae30 ae255438 9e20: aeaa5800 ae5c80a8 00000000 aebe9ee0 ae25544c 80a03d00 ffff993a 802234d0 9e40: 00000007 ae255438 aebe9ee0 ffff9930 ffff9930 0000000a 80a03d00 80a14950 9e60: ae255464 802236b0 ffff0a00 ae255514 000009d7 80a09c88 ae9f1080 ffff8d78 9e80: aebe9e80 aebe9e80 aebe9e88 aebe9e88 ae000000 148e697c ae25543c ae25551c 9ea0: ae255510 ae255438 ae255514 ae25543c 80a1494c 80a03d00 000009d7 80224274 9ec0: 00000000 80a09c88 2e888000 aea8a840 ae8a4018 aea8a840 af1c9c00 ae87c500 9ee0: 000009d7 00000000 aebe9e7c 00000000 00000006 00000003 00000000 00000000 9f00: 00000000 148e697c ad61c0c4 ae25551c ae9f1080 ae806200 ae805c00 00000000 9f20: ae255520 00000000 ae806200 80135984 00000088 80a03d00 ae9f1080 ae806200 9f40: ae9f1094 00000088 80a03d00 ae806218 aebe8000 80136720 aebe8000 ae9a8100 9f60: 00000000 aea71a40 aebe8000 ae9a8100 00000000 ae9f1080 801366f0 aeb0deb4 9f80: aea71a5c 8013b370 00000001 ae9a8100 8013b26c 00000000 00000000 00000000 9fa0: 00000000 00000000 00000000 801010d8 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [<803187e4>] (f2fs_balance_fs_bg) from [<80311ae0>] (f2fs_write_node_pages+0x40/0x148) [<80311ae0>] (f2fs_write_node_pages) from [<801b7f34>] (do_writepages+0x20/0x7c) [<801b7f34>] (do_writepages) from [<80222e94>] (__writeback_single_inode+0x2c/0x1b0) [<80222e94>] (__writeback_single_inode) from [<802231b8>] (writeback_sb_inodes+0x1a0/0x444) [<802231b8>] (writeback_sb_inodes) from [<802234d0>] (__writeback_inodes_wb+0x74/0xac) [<802234d0>] (__writeback_inodes_wb) from [<802236b0>] (wb_writeback+0x1a8/0x1fc) [<802236b0>] (wb_writeback) from [<80224274>] (wb_workfn+0x178/0x33c) [<80224274>] (wb_workfn) from [<80135984>] (process_one_work+0x204/0x418) [<80135984>] (process_one_work) from [<80136720>] (worker_thread+0x30/0x59c) [<80136720>] (worker_thread) from [<8013b370>] (kthread+0x104/0x134) [<8013b370>] (kthread) from [<801010d8>] (ret_from_fork+0x14/0x3c) Exception stack(0xaebe9fb0 to 0xaebe9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 Code: e5933058 e3530000 1affff8a e592306c (e5933014) ---[ end trace b0c047f17d4eb527 ]--- -- My best., Jeff _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
