Kernel 等に不具合があり、Kernel Panic が発生してしまった場合、ログを取得することが原因解明には必要です。
Kernel Panic が発生して Reboot したときに、Kernel のログを保存する機能を設けました。
e.MMC のファームウェアなどを置いてあるパーティションに、日時のディレクトリを作成して保存されます。
Linux が起動してから、下記ディレクトリで確認することができます。
user1@gemini:~$ ls -l /ro/.host/ total 16 drwxr-xr-x 2 root root 4096 Jul 27 11:15 area0 drwxr-xr-x 2 root root 4096 Jul 1 11:39 area1 drwxr-xr-x 4 root root 4096 Jan 1 1980 oopslog <----- drwxr-xr-x 2 root root 4096 Aug 1 18:28 overlay
user1@gemini:~$ ls -lR /ro/.host/oopslog /ro/.host/oopslog: total 8 drwxr-xr-x 2 root root 4096 Jan 1 1980 20200801_183148 drwxr-xr-x 2 root root 4096 Jan 1 1980 20200801_183807 /ro/.host/oopslog/20200801_183148: total 32 -rwxr-xr-x 1 root root 1723 Jan 1 1980 console-ramoops-0 -rwxr-xr-x 1 root root 25921 Jan 1 1980 dmesg-ramoops-0 /ro/.host/oopslog/20200801_183807: total 32 -rwxr-xr-x 1 root root 1723 Jan 1 1980 console-ramoops-0 -rwxr-xr-x 1 root root 25921 Jan 1 1980 dmesg-ramoops-0
それぞれのファイルの内容は下記の通りです。
| File | 内容 |
|---|---|
| console-ramoops-0 | コンソール出力の再起動前の最後の部分 |
| dmesg-ramoops-0 | Kernel log |
内容はこんな感じになっています。
[ 21.916323] systemd[1]: Finished Platform Persistent Storage Archival. [ 22.025203] tty0tty null modem driver v1.2 [ 22.061465] systemd[1]: Started Journal Service. [ 23.034117] systemd-journald[388]: Received client request to flush runtime journal. [ 348.165164] sysrq: Trigger a crash [ 348.168903] Kernel panic - not syncing: sysrq triggered crash [ 348.174807] CPU: 0 PID: 825 Comm: bash Not tainted 5.4.41-linux4sam-2020.04+ #31 [ 348.182511] Hardware name: Atmel SAMA5 [ 348.186449] [<c010c58c>] (unwind_backtrace) from [<c0109a98>] (show_stack+0x10/0x14) [ 348.194528] [<c0109a98>] (show_stack) from [<c011fb50>] (panic+0x104/0x31c) [ 348.201825] [<c011fb50>] (panic) from [<c0400ca8>] (sysrq_handle_crash+0x10/0x14) [ 348.209453] [<c0400ca8>] (sysrq_handle_crash) from [<c04012c8>] (__handle_sysrq+0x94/0x144) [ 348.218132] [<c04012c8>] (__handle_sysrq) from [<c0401710>] (write_sysrq_trigger+0x54/0x64) [ 348.226811] [<c0401710>] (write_sysrq_trigger) from [<c0251d24>] (proc_reg_write+0x58/0x6c) [ 348.235493] [<c0251d24>] (proc_reg_write) from [<c01f2350>] (__vfs_write+0x2c/0xe8) [ 348.243293] [<c01f2350>] (__vfs_write) from [<c01f37e0>] (vfs_write+0x98/0xbc) [ 348.250838] [<c01f37e0>] (vfs_write) from [<c01f3984>] (ksys_write+0x74/0xc4) [ 348.258120] [<c01f3984>] (ksys_write) from [<c0101000>] (ret_fast_syscall+0x0/0x54) [ 348.266085] Exception stack(0xd9dd1fa8 to 0xd9dd1ff0) [ 348.271453] 1fa0: 00000002 005b7eb0 00000001 005b7eb0 00000002 00000000 [ 348.279770] 1fc0: 00000002 005b7eb0 b6f944e0 00000004 b6f2e2e4 b6f2de4c 00000000 00000000 [ 348.288263] 1fe0: 00000004 be922728 b6ec746f b6e4dbe6 [ 348.333852] Rebooting in 4 seconds.. No errors detected
====1596274681.584175-D Panic#1 Part1 <6>[ 0.000000] Booting Linux on physical CPU 0x0 <5>[ 0.000000] Linux version 5.4.41-linux4sam-2020.04+ (root@ryzen7) (gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu1)) #31 PREEMPT Sat Aug 1 17:40:50 JST 2020 <6>[ 0.000000] CPU: ARMv7 Processor [410fc051] revision 1 (ARMv7), cr=10c53c7d <6>[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache <6>[ 0.000000] OF: fdt: Machine model: Century Systems Gemini <6>[ 0.000000] Memory policy: Data cache writeback <7>[ 0.000000] On node 0 totalpages: 131072 <7>[ 0.000000] Normal zone: 1152 pages used for memmap <7>[ 0.000000] Normal zone: 0 pages reserved <7>[ 0.000000] Normal zone: 131072 pages, LIFO batch:31 <6>[ 0.000000] CPU: All CPU(s) started in SVC mode. <7>[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 <7>[ 0.000000] pcpu-alloc: [0] 0 <6>[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 129920 <5>[ 0.000000] Kernel command line: console=ttyS0,115200 alarm=0 area=1 board_id=00 loop=area1/rootfs.img loopfstype=squashfs mobiledev=AML574A overlay=tmpfs reset_cause=RST root=/dev/mmcblk0p1 rootfstype=vfat ro xio_id=1 <6>[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes, linear) <6>[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.000000] Memory: 505756K/524288K available (6144K kernel code, 274K rwdata, 1724K rodata, 1024K init, 370K bss, 18532K reserved, 0K cma-reserved) <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 <6>[ 0.000000] rcu: Preemptible hierarchical RCU implementation. <6>[ 0.000000] Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 2 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 8 ways, 128 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c9, AUX_CTRL 0x36020000 <5>[ 0.000000] random: get_random_bytes called from start_kernel+0x254/0x458 with crng_init=0 <6>[ 0.000000] clocksource: timer@f800c000: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 184217874325 ns <6>[ 0.000019] sched_clock: 32 bits at 10MHz, resolution 96ns, wraps every 206986376143ns <6>[ 0.000046] Switching to timer-based delay loop, resolution 96ns <6>[ 0.018500] clocksource: pit: mask: 0x3ffffff max_cycles: 0x3ffffff, max_idle_ns: 5756808488 ns <6>[ 0.019124] Console: colour dummy device 80x30 <6>[ 0.019217] Calibrating delay loop (skipped), value calculated using timer frequency.. 20.75 BogoMIPS (lpj=41500) <6>[ 0.019251] pid_max: default: 32768 minimum: 301 <6>[ 0.019715] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) <6>[ 0.019755] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) <6>[ 0.022094] CPU: Testing write buffer coherency: ok <6>[ 0.024452] Setting up static identity map for 0x20100000 - 0x20100060 <6>[ 0.024836] rcu: Hierarchical SRCU implementation. <6>[ 0.025854] devtmpfs: initialized <6>[ 0.044439] VFP support v0.3: implementor 41 architecture 2 part 30 variant 5 rev 1 <6>[ 0.045466] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns <6>[ 0.045521] futex hash table entries: 256 (order: -1, 3072 bytes, linear) <6>[ 0.045917] pinctrl core: initialized pinctrl subsystem <6>[ 0.048583] NET: Registered protocol family 16 <6>[ 0.050555] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.053877] cpuidle: using governor menu <6>[ 0.080798] AT91: PM: standby: standby, suspend: ulp0 <4>[ 0.081346] atmel_tcb: probe of f800c000.timer failed with error -16 <3>[ 0.081653] atmel_tcb f8010000.timer: IRQ index 1 not found <3>[ 0.081692] atmel_tcb f8010000.timer: IRQ index 2 not found <6>[ 0.208799] printk: console [pstore-1] enabled <6>[ 0.209596] pstore: Registered ramoops as persistent store backend <6>[ 0.210015] ramoops: using 0x100000@0x3fecc000, ecc: 16 <6>[ 0.239571] cryptd: max_cpu_qlen set to 1000 <6>[ 0.279062] at_xdmac f0010000.dma-controller: 16 channels, mapped at 0x(ptrval) <6>[ 0.283518] at_xdmac f0004000.dma-controller: 16 channels, mapped at 0x(ptrval) <6>[ 0.285697] AT91: Detected SoC family: sama5d2 <6>[ 0.286124] AT91: Detected SoC: sama5d26, revision 2 <5>[ 0.287838] SCSI subsystem initialized <6>[ 0.288940] usbcore: registered new interface driver usbfs <6>[ 0.289477] usbcore: registered new interface driver hub <6>[ 0.289949] usbcore: registered new device driver usb <6>[ 0.291778] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.292130] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it> <6>[ 0.292608] PTP clock support registered <6>[ 0.295826] clocksource: Switched to clocksource timer@f800c000 <6>[ 0.326734] NET: Registered protocol family 2 <6>[ 0.328708] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear) <6>[ 0.329188] TCP established hash table entries: 4096 (order: 2, 16384 bytes, linear) <6>[ 0.329661] TCP bind hash table entries: 4096 (order: 2, 16384 bytes, linear) <6>[ 0.329951] TCP: Hash tables configured (established 4096 bind 4096) <6>[ 0.330678] UDP hash table entries: 256 (order: 0, 4096 bytes, linear) <6>[ 0.330944] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear) <6>[ 0.332093] NET: Registered protocol family 1 <6>[ 0.333772] RPC: Registered named UNIX socket transport module. <6>[ 0.334198] RPC: Registered udp transport module. <6>[ 0.334410] RPC: Registered tcp transport module. <6>[ 0.334801] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.335599] Unpacking initramfs... <5>[ 1.035895] random: fast init done <6>[ 2.780667] Freeing initrd memory: 2404K <5>[ 3.023240] Initialise system trusted keyrings <6>[ 3.024523] workingset: timestamp_bits=14 max_order=17 bucket_order=3 <6>[ 3.046628] squashfs: version 4.0 (2009/01/31) Phillip Lougher <6>[ 3.050457] fuse: init (API version 7.31) <5>[ 3.152852] Key type asymmetric registered <5>[ 3.153111] Asymmetric key parser 'x509' registered <6>[ 3.153553] io scheduler mq-deadline registered <6>[ 3.153772] io scheduler kyber registered <6>[ 3.154732] io scheduler bfq registered <6>[ 3.177070] pinctrl-at91-pio4 fc038000.pinctrl: atmel pinctrl initialized <6>[ 3.185929] HDLC line discipline maxframe=4096 <6>[ 3.186171] N_HDLC line discipline registered. <6>[ 3.214288] loop: module loaded <6>[ 3.216209] atmel_usart_serial.0.auto: ttyS0 at MMIO 0xf8020000 (irq = 34, base_baud = 5187500) is a ATMEL_SERIAL <6>[ 3.780368] printk: console [ttyS0] enabled <6>[ 3.787322] atmel_usart_serial.1.auto: ttyS1 at MMIO 0xfc008000 (irq = 37, base_baud = 5187500) is a ATMEL_SERIAL <6>[ 3.802347] atmel_usart_serial atmel_usart_serial.2.auto: Using FIFO (32 data) <6>[ 3.810628] atmel_usart_serial.2.auto: ttyS2 at MMIO 0xf8034200 (irq = 174, base_baud = 5187500) is a ATMEL_SERIAL <6>[ 3.825573] atmel_usart_serial atmel_usart_serial.3.auto: Using FIFO (32 data) <6>[ 3.833663] atmel_usart_serial.3.auto: ttyS3 at MMIO 0xfc010200 (irq = 175, base_baud = 5187500) is a ATMEL_SERIAL <6>[ 3.850505] atmel_spi f8000000.spi: Using dma0chan0 (tx) and dma0chan1 (rx) for DMA transfers <6>[ 3.859737] atmel_spi f8000000.spi: Using FIFO (16 data) <6>[ 3.868212] spi-nor spi0.0: sst26vf016b (2048 Kbytes) <5>[ 3.873786] 6 fixed-partitions partitions found on MTD device spi0.0 <5>[ 3.880341] Creating 6 MTD partitions on "spi0.0": <5>[ 3.885495] 0x000000000000-0x000000008000 : "at91boot" <5>[ 3.897979] 0x000000008000-0x000000010000 : "barebox.env" <5>[ 3.913960] 0x000000010000-0x000000090000 : "barebox.bin" <5>[ 3.930048] 0x000000090000-0x0000000b0000 : "hist_firmup" <5>[ 3.946004] 0x0000000b0000-0x000000100000 : "hist_boot" <5>[ 3.961964] 0x000000100000-0x000000200000 : "Reserved" <6>[ 3.978103] atmel_spi f8000000.spi: Atmel SPI Controller version 0x311 at 0xf8000000 (irq 28) <6>[ 3.988671] atmel_spi fc018400.spi: Using dma0chan2 (tx) and dma0chan3 (rx) for DMA transfers <6>[ 3.997769] atmel_spi fc018400.spi: Using FIFO (32 data) <6>[ 4.006117] spi-nor spi1.0: sst26vf016b (2048 Kbytes) <6>[ 4.022113] atmel_spi fc018400.spi: Atmel SPI Controller version 0x311 at 0xfc018400 (irq 176) <6>[ 4.032857] libphy: Fixed MDIO Bus: probed <6>[ 4.038269] tun: Universal TUN/TAP device driver, 1.6 <6>[ 4.046398] libphy: MACB_mii_bus: probed <6>[ 4.068669] macb f8008000.ethernet eth0: Cadence GEM rev 0x00020203 at 0xf8008000 irq 29 (00:80:6d:01:01:01) <6>[ 4.080474] PPP generic driver version 2.4.2 <6>[ 4.085704] PPP BSD Compression module registered <6>[ 4.090675] PPP Deflate Compression module registered <6>[ 4.096082] NET: Registered protocol family 24 <6>[ 4.100757] PPTP driver version 0.8.5 <6>[ 4.106277] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.113072] ehci-atmel: EHCI Atmel driver <6>[ 4.117782] atmel-ehci 500000.ehci: EHCI Host Controller <6>[ 4.124334] atmel-ehci 500000.ehci: new USB bus registered, assigned bus number 1 <6>[ 4.132577] atmel-ehci 500000.ehci: irq 19, io mem 0x00500000 <6>[ 4.151926] atmel-ehci 500000.ehci: USB 2.0 started, EHCI 1.00 <6>[ 4.158650] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04 <6>[ 4.167150] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.174736] usb usb1: Product: EHCI Host Controller <6>[ 4.179782] usb usb1: Manufacturer: Linux 5.4.41-linux4sam-2020.04+ ehci_hcd <6>[ 4.187175] usb usb1: SerialNumber: 500000.ehci <6>[ 4.193464] hub 1-0:1.0: USB hub found <6>[ 4.197882] hub 1-0:1.0: 3 ports detected <6>[ 4.204460] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 4.211149] ohci-atmel: OHCI Atmel driver <6>[ 4.217182] at91_ohci 400000.ohci: USB Host Controller <6>[ 4.223588] at91_ohci 400000.ohci: new USB bus registered, assigned bus number 2 <6>[ 4.231543] at91_ohci 400000.ohci: irq 19, io mem 0x00400000 <6>[ 4.300415] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001, bcdDevice= 5.04 <6>[ 4.309251] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.316861] usb usb2: Product: USB Host Controller <6>[ 4.321826] usb usb2: Manufacturer: Linux 5.4.41-linux4sam-2020.04+ ohci_hcd <6>[ 4.329223] usb usb2: SerialNumber: at91 <6>[ 4.334882] hub 2-0:1.0: USB hub found <6>[ 4.339280] hub 2-0:1.0: 3 ports detected <6>[ 4.352689] usbcore: registered new interface driver cdc_wdm <6>[ 4.359116] usbcore: registered new interface driver usb-storage <6>[ 4.365686] usbcore: registered new interface driver usbserial_generic <6>[ 4.372711] usbserial: USB Serial support registered for generic <6>[ 4.379035] usbcore: registered new interface driver option <6>[ 4.385084] usbserial: USB Serial support registered for GSM modem (1-port) <6>[ 4.392629] i2c /dev entries driver <6>[ 4.397732] at91-reset f8048000.rstc: Starting after software reset <6>[ 4.407626] sama5d4_wdt f8048040.watchdog: initialized (timeout = 16 sec, nowayout = 0) <6>[ 4.418450] sdhci: Secure Digital Host Controller Interface driver <6>[ 4.424928] sdhci: Copyright(c) Pierre Ossman <6>[ 4.429642] sdhci-pltfm: SDHCI platform and OF driver helper <6>[ 4.471651] mmc0: SDHCI controller on a0000000.sdio-host [a0000000.sdio-host] using ADMA <6>[ 4.496218] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 4.503349] atmel_aes f002c000.aes: version: 0x500 <6>[ 4.512207] atmel_sha f0028000.sha: version: 0x510 <6>[ 4.517632] atmel_sha f0028000.sha: using dma0chan4 for DMA transfers <6>[ 4.544338] usb 1-2: new high-speed USB device number 2 using atmel-ehci <6>[ 4.567099] mmc0: new high speed MMC card at address 0001 <6>[ 4.581635] mmcblk0: mmc0:0001 Q2J54A 1.80 GiB <6>[ 4.593078] mmcblk0boot0: mmc0:0001 Q2J54A partition 1 16.0 MiB <6>[ 4.609064] mmcblk0boot1: mmc0:0001 Q2J54A partition 2 16.0 MiB <6>[ 4.618711] mmcblk0rpmb: mmc0:0001 Q2J54A partition 3 512 KiB, chardev (246:0) <6>[ 4.649118] mmcblk0: p1 p2 <6>[ 4.713929] usb 1-2: New USB device found, idVendor=1618, idProduct=9116, bcdDevice= 0.02 <6>[ 4.732142] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 4.745095] usb 1-2: Product: Wireless USB Network Module <6>[ 4.756302] usb 1-2: Manufacturer: Redpine Signals, Inc. <6>[ 4.768128] usb 1-2: SerialNumber: 000000000001 <6>[ 4.797581] atmel_sha f0028000.sha: Atmel SHA1/SHA256/SHA224/SHA384/SHA512 <6>[ 4.806211] atmel_tdes fc044000.tdes: version: 0x703 <6>[ 4.812310] atmel_tdes fc044000.tdes: using dma0chan5, dma0chan6 for DMA transfers <6>[ 4.976756] atmel_tdes fc044000.tdes: Atmel DES/TDES <6>[ 4.982888] usbcore: registered new interface driver usbhid <6>[ 4.989091] usbhid: USB HID core driver <6>[ 5.044352] wireguard: WireGuard 1.0.20200712 loaded. See www.wireguard.com for information. <6>[ 5.053338] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. <6>[ 5.064056] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.071106] gre: GRE over IPv4 demultiplexor driver <6>[ 5.076566] ip_gre: GRE over IPv4 tunneling driver <6>[ 5.087781] NET: Registered protocol family 10 <6>[ 5.097033] Segment Routing with IPv6 <6>[ 5.101643] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.109610] NET: Registered protocol family 17 <6>[ 5.114670] 8021q: 802.1Q VLAN Support v1.8 <5>[ 5.262712] Loading compiled-in X.509 certificates <6>[ 5.286041] at91_i2c f8028000.i2c: can't get DMA channel, continue without DMA support <6>[ 5.294604] at91_i2c f8028000.i2c: Using FIFO (16 data) <6>[ 5.300394] at91_i2c f8028000.i2c: recovery information incomplete <6>[ 5.309170] DCDC_REG1: supplied by regulator-dummy <6>[ 5.317607] DCDC_REG2: supplied by regulator-dummy <6>[ 5.326294] DCDC_REG3: supplied by regulator-dummy <6>[ 5.334540] LDO_REG1: supplied by regulator-dummy <6>[ 5.342874] LDO_REG2: supplied by regulator-dummy <6>[ 5.350916] LDO_REG3: supplied by regulator-dummy <6>[ 5.356689] VDD_LED: Bringing 2500000uV into 3300000-3300000uV <6>[ 5.367404] LDO_REG4: supplied by regulator-dummy <4>[ 5.376885] act8945a-charger act8945a-charger: DMA mask not set <6>[ 5.383666] act8945a-charger act8945a-charger: have been suspended <6>[ 5.393924] at91_i2c f8028000.i2c: AT91 i2c bus driver (hw version: 0x704). <6>[ 5.401980] at91_i2c fc028000.i2c: can't get DMA channel, continue without DMA support <6>[ 5.410363] at91_i2c fc028000.i2c: Using FIFO (16 data) <6>[ 5.415970] at91_i2c fc028000.i2c: recovery information incomplete <6>[ 5.425206] at24 1-0050: 256 byte 24c02 EEPROM, writable, 16 bytes/write <6>[ 5.433407] rtc-dsk324sr 1-0032: chip found, driver version 2.0 <6>[ 5.445629] rtc-dsk324sr 1-0032: registered as rtc0 <6>[ 5.451637] rtc-dsk324sr 1-0032: SEL Register updated to 30s. <6>[ 5.462165] lm75 1-0049: hwmon1: sensor 'tmp75' <4>[ 5.468286] pca953x 1-0070: 1-0070 supply vcc not found, using dummy regulator <6>[ 5.478451] at91_i2c fc028000.i2c: AT91 i2c bus driver (hw version: 0x704). <6>[ 5.526039] mmc1: SDHCI controller on b0000000.sdio-host [b0000000.sdio-host] using ADMA <6>[ 5.546161] atmel_aes f002c000.aes: version: 0x500 <6>[ 5.805501] atmel_aes f002c000.aes: Atmel AES - Using dma0chan7, dma0chan8 for DMA transfers <6>[ 5.822307] at91-sama5d2_adc fc030000.adc: setting up trigger as external_rising <6>[ 5.830129] at91-sama5d2_adc fc030000.adc: version: 800 <6>[ 5.837622] input: gpio_keys as /devices/platform/gpio_keys/input/input0 <6>[ 5.847636] rtc-dsk324sr 1-0032: setting system clock to 2020-08-01T09:32:19 UTC (1596274339) <6>[ 5.858399] atmel_usart_serial atmel_usart_serial.0.auto: using dma0chan9 for rx DMA transfers <6>[ 5.867799] atmel_usart_serial atmel_usart_serial.0.auto: using dma0chan10 for tx DMA transfers <6>[ 5.884816] Freeing unused kernel memory: 1024K <6>[ 5.889895] Run /init as init process <6>[ 10.268108] usb 1-1: new high-speed USB device number 3 using atmel-ehci <6>[ 10.444156] usb 1-1: New USB device found, idVendor=1ecb, idProduct=0202, bcdDevice= 3.18 <6>[ 10.452779] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 <6>[ 10.460119] usb 1-1: Product: AMTelecom Network Device <6>[ 10.465632] usb 1-1: Manufacturer: AMTelecom <6>[ 10.470097] usb 1-1: SerialNumber: 0123456789ABCDEF <6>[ 10.488868] option 1-1:1.2: GSM modem (1-port) converter detected <6>[ 10.500273] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0 <6>[ 10.512403] option 1-1:1.3: GSM modem (1-port) converter detected <6>[ 10.522008] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1 <6>[ 10.534389] option 1-1:1.4: GSM modem (1-port) converter detected <6>[ 10.544141] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB2 <4>[ 11.988701] FAT-fs (mmcblk0p1): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! <30>[ 15.398116] systemd[1]: systemd 245.4-4ubuntu3.2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=hybrid) <30>[ 15.422846] systemd[1]: Detected architecture arm. <30>[ 15.529943] systemd[1]: Set hostname to <gemini>. <29>[ 17.675106] systemd[1]: /lib/systemd/system/dbus.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/dbus/system_bus_socket → /run/dbus/system_bus_socket; please update the unit file accordingly. <5>[ 18.464878] random: systemd: uninitialized urandom read (16 bytes read) <28>[ 18.472788] systemd[1]: system-getty.slice: unit configures an IP firewall, but the local system does not support BPF/cgroup firewalling. <28>[ 18.485816] systemd[1]: (This warning is only shown for the first unit using IP firewalling.) <30>[ 18.507636] systemd[1]: Created slice system-getty.slice. <5>[ 18.532699] random: systemd: uninitialized urandom read (16 bytes read) <30>[ 18.545195] systemd[1]: Created slice system-modprobe.slice. <5>[ 18.568482] random: systemd: uninitialized urandom read (16 bytes read) <30>[ 18.581224] systemd[1]: Created slice system-serial\x2dgetty.slice. <30>[ 18.610968] systemd[1]: Created slice system-wireguard.slice. <30>[ 18.641406] systemd[1]: Created slice User and Session Slice. <30>[ 18.665272] systemd[1]: Started ntp-systemd-netif.path. <30>[ 18.689624] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. <30>[ 18.717516] systemd[1]: Started Forward Password Requests to Wall Directory Watch. <30>[ 18.748077] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. <30>[ 18.777112] systemd[1]: Reached target Local Encrypted Volumes. <30>[ 18.801397] systemd[1]: Reached target Remote File Systems. <30>[ 18.824849] systemd[1]: Reached target Slices. <30>[ 18.844874] systemd[1]: Reached target Swap. <30>[ 18.867818] systemd[1]: Listening on Syslog Socket. <30>[ 18.889876] systemd[1]: Listening on initctl Compatibility Named Pipe. <30>[ 19.266999] systemd[1]: Condition check resulted in Journal Audit Socket being skipped. <30>[ 19.280387] systemd[1]: Listening on Journal Socket (/dev/log). <30>[ 19.306748] systemd[1]: Listening on Journal Socket. <30>[ 19.330935] systemd[1]: Listening on udev Control Socket. <30>[ 19.353891] systemd[1]: Listening on udev Kernel Socket. <30>[ 19.378502] systemd[1]: Condition check resulted in Huge Pages File System being skipped. <30>[ 19.404907] systemd[1]: Mounting POSIX Message Queue File System... <30>[ 19.479690] systemd[1]: Mounting Kernel Debug File System... <30>[ 19.522312] systemd[1]: Condition check resulted in Kernel Trace File System being skipped. <30>[ 19.627266] systemd[1]: Starting Journal Service... <30>[ 19.683104] systemd[1]: Condition check resulted in Create list of static device nodes for the current kernel being skipped. <30>[ 19.823063] systemd[1]: Starting Load Kernel Module drm... <30>[ 19.945619] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 20.037289] systemd[1]: Starting Load Kernel Modules... <30>[ 20.146906] systemd[1]: Starting Remount Root and Kernel File Systems... <30>[ 20.271089] systemd[1]: Starting udev Coldplug all Devices... <30>[ 20.517458] systemd[1]: Mounted POSIX Message Queue File System. <30>[ 20.566849] systemd[1]: Mounted Kernel Debug File System. <30>[ 20.662173] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 20.738113] systemd[1]: Finished Load Kernel Module drm. <30>[ 20.924262] systemd[1]: Finished Remount Root and Kernel File Systems. <30>[ 20.989884] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 21.106823] systemd[1]: Starting Platform Persistent Storage Archival... <30>[ 21.284515] systemd[1]: Starting Load/Save Random Seed... <30>[ 21.463320] systemd[1]: Starting Create System Users... <30>[ 21.916323] systemd[1]: Finished Platform Persistent Storage Archival. <6>[ 22.025203] tty0tty null modem driver v1.2 <30>[ 22.061465] systemd[1]: Started Journal Service. <46>[ 23.034117] systemd-journald[388]: Received client request to flush runtime journal. <5>[ 23.580066] random: crng init done <5>[ 23.580093] random: 7 urandom warning(s) missed due to ratelimiting <6>[ 31.696082] bpfilter: Loaded bpfilter_umh pid 454 <12>[ 31.704808] Started bpfilter <5>[ 34.495753] cfg80211: Loading compiled-in X.509 certificates for regulatory database <5>[ 35.061766] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 37.106977] macb f8008000.ethernet eth0: PHY [f8008000.ethernet-ffffffff:01] driver [Micrel KSZ8081 or KSZ8091] <6>[ 37.120958] macb f8008000.ethernet eth0: configuring for phy/rmii link mode <6>[ 40.142755] macb f8008000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off <6>[ 40.142905] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <6>[ 40.812281] at91_rtc f80480b0.rtc: registered as rtc1 <6>[ 40.813963] at91_rtc f80480b0.rtc: AT91 Real Time Clock driver. <6>[ 40.910881] cdc_acm 1-1:1.0: ttyACM0: USB ACM device <6>[ 41.028482] usbcore: registered new interface driver cdc_acm <6>[ 41.028500] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters <6>[ 43.985581] atmel_usart_serial atmel_usart_serial.0.auto: using dma0chan9 for rx DMA transfers <6>[ 43.985705] atmel_usart_serial atmel_usart_serial.0.auto: using dma0chan10 for tx DMA transfers <6>[ 53.624316] Bluetooth: Core ver 2.22 <6>[ 53.631910] NET: Registered protocol family 31 <6>[ 53.631937] Bluetooth: HCI device and connection manager initialized <6>[ 53.631989] Bluetooth: HCI socket layer initialized <6>[ 53.632014] Bluetooth: L2CAP socket layer initialized <6>[ 53.632212] Bluetooth: SCO socket layer initialized <6>[ 53.712240] rsi_91x: rsi_hal_device_init: oper_mode = 1, coex_mode = 1 <6>[ 53.763855] rsi_91x: ================================================ <6>[ 53.763874] rsi_91x: ================ RSI Version Info ============== <6>[ 53.763881] rsi_91x: ================================================ <6>[ 53.763901] rsi_91x: FW Version : 1610.1.2.23.0017 <6>[ 53.763912] rsi_91x: Driver Version : RS911X.NBZ.NL.GNU.LNX.2.0.RC6 <6>[ 53.763921] rsi_91x: Operating mode : 1 [Wi-Fi alone] <6>[ 53.763930] rsi_91x: Firmware file : pmemdata <6>[ 53.763937] rsi_91x: ================================================ <6>[ 53.901244] rsi_91x: ***** Firmware Loading successful ***** <6>[ 53.915384] usbcore: registered new interface driver RSI-USB WLAN <6>[ 348.165164] sysrq: Trigger a crash <0>[ 348.168903] Kernel panic - not syncing: sysrq triggered crash <4>[ 348.174807] CPU: 0 PID: 825 Comm: bash Not tainted 5.4.41-linux4sam-2020.04+ #31 <4>[ 348.182511] Hardware name: Atmel SAMA5 <4>[ 348.186449] [<c010c58c>] (unwind_backtrace) from [<c0109a98>] (show_stack+0x10/0x14) <4>[ 348.194528] [<c0109a98>] (show_stack) from [<c011fb50>] (panic+0x104/0x31c) <4>[ 348.201825] [<c011fb50>] (panic) from [<c0400ca8>] (sysrq_handle_crash+0x10/0x14) <4>[ 348.209453] [<c0400ca8>] (sysrq_handle_crash) from [<c04012c8>] (__handle_sysrq+0x94/0x144) <4>[ 348.218132] [<c04012c8>] (__handle_sysrq) from [<c0401710>] (write_sysrq_trigger+0x54/0x64) <4>[ 348.226811] [<c0401710>] (write_sysrq_trigger) from [<c0251d24>] (proc_reg_write+0x58/0x6c) <4>[ 348.235493] [<c0251d24>] (proc_reg_write) from [<c01f2350>] (__vfs_write+0x2c/0xe8) <4>[ 348.243293] [<c01f2350>] (__vfs_write) from [<c01f37e0>] (vfs_write+0x98/0xbc) <4>[ 348.250838] [<c01f37e0>] (vfs_write) from [<c01f3984>] (ksys_write+0x74/0xc4) <4>[ 348.258120] [<c01f3984>] (ksys_write) from [<c0101000>] (ret_fast_syscall+0x0/0x54) <4>[ 348.266085] Exception stack(0xd9dd1fa8 to 0xd9dd1ff0) <4>[ 348.271453] 1fa0: 00000002 005b7eb0 00000001 005b7eb0 00000002 00000000 <4>[ 348.279770] 1fc0: 00000002 005b7eb0 b6f944e0 00000004 b6f2e2e4 b6f2de4c 00000000 00000000 <4>[ 348.288263] 1fe0: 00000004 be922728 b6ec746f b6e4dbe6 No errors detected