On 2019/1/16 20:57, Jeff Chua wrote: > This is on rpi3b+ running latest linux git pull, and root filesystem > is "read-only" ...
Did you hit this issue after you upgrade kernel from lower one to 5.0? > > 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 ]--- Why there are dirty data/node in readonly filesystem? Could you try below commands to make sure where it actually crash? gdb f2fs.ko l *(f2fs_balance_fs_bg+0x26c/0x2a8) l *(f2fs_build_free_nids+0x394/0x510) Thanks, > > > _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
