[Allwinner R40] Banana M2 Ultra sysreq reboot and shutdown exceptions
From: Hermann Lauer <hidden>
Date: 2017-12-21 08:41:53
Hello all, after a night of kernel compiling on Bananapi_M2_Ultra (Allwinner R40) the device was not responding anymore, so I tried the sysreq sequence on the serial console. <break>b (to reboot) produced the appended kernel exception. Please tell if more information is needed (or if this is only cosmetic, as the device rebooted). As a second case the log of a normal shutdown is attached, which ends also with an exception. Many thanks and merry Xmas, greetings Hermann [34221.492249] sysrq: SysRq : HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) k [34232.752912] sysrq: SysRq : Resetting [34232.756510] CPU2: stopping [34232.759221] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 4.15.0-rc3-next-20171212 #1 [34232.767993] Hardware name: Allwinner sun8i Family [34232.772722] [<c0114e10>] (unwind_backtrace) from [<c010e970>] (show_stack+0x20/0x24) [34232.780465] [<c010e970>] (show_stack) from [<c08fcca0>] (dump_stack+0x90/0xa4) [34232.787687] [<c08fcca0>] (dump_stack) from [<c0112454>] (handle_IPI+0x29c/0x2bc) [34232.795081] [<c0112454>] (handle_IPI) from [<c010253c>] (gic_handle_irq+0x90/0x94) [34232.802645] [<c010253c>] (gic_handle_irq) from [<c0101a0c>] (__irq_svc+0x6c/0x90) [34232.810118] Exception stack(0xee149f38 to 0xee149f80) [34232.815164] 9f20: 00000000 027a7444 [34232.823334] 9f40: eedd1420 c0121bc0 ee148000 c1005df8 c1005e5c 00000004 c10f084b c0b653b4 [34232.831503] 9f60: 00000000 ee149f94 ee149f98 ee149f88 c010a214 c010a218 600e0013 ffffffff [34232.839676] [<c0101a0c>] (__irq_svc) from [<c010a218>] (arch_cpu_idle+0x48/0x4c) [34232.847070] [<c010a218>] (arch_cpu_idle) from [<c0919a90>] (default_idle_call+0x30/0x3c) [34232.855156] [<c0919a90>] (default_idle_call) from [<c019b4cc>] (do_idle+0xe4/0x158) [34232.862808] [<c019b4cc>] (do_idle) from [<c019b800>] (cpu_startup_entry+0x28/0x2c) [34232.870372] [<c019b800>] (cpu_startup_entry) from [<c0111f20>] (secondary_start_kernel+0x15c/0x184) [34232.879412] [<c0111f20>] (secondary_start_kernel) from [<40102b8c>] (0x40102b8c) [34232.886800] CPU0: stopping [34232.889509] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.15.0-rc3-next-20171212 #1 [34232.898279] Hardware name: Allwinner sun8i Family [34232.902987] [<c0114e10>] (unwind_backtrace) from [<c010e970>] (show_stack+0x20/0x24) [34232.910725] [<c010e970>] (show_stack) from [<c08fcca0>] (dump_stack+0x90/0xa4) [34232.917944] [<c08fcca0>] (dump_stack) from [<c0112454>] (handle_IPI+0x29c/0x2bc) [34232.925334] [<c0112454>] (handle_IPI) from [<c010253c>] (gic_handle_irq+0x90/0x94) [34232.932898] [<c010253c>] (gic_handle_irq) from [<c0101a0c>] (__irq_svc+0x6c/0x90) [34232.940369] Exception stack(0xc1001ee0 to 0xc1001f28) [34232.945419] 1ee0: 00000000 0279020c eedaf420 c0121bc0 c1000000 c1005df8 c1005e5c 00000001 [34232.953588] 1f00: c10f084b c0b653b4 c0e94a30 c1001f3c c1001f40 c1001f30 c010a214 c010a218 [34232.961753] 1f20: 60070013 ffffffff [34232.965243] [<c0101a0c>] (__irq_svc) from [<c010a218>] (arch_cpu_idle+0x48/0x4c) [34232.972634] [<c010a218>] (arch_cpu_idle) from [<c0919a90>] (default_idle_call+0x30/0x3c) [34232.980718] [<c0919a90>] (default_idle_call) from [<c019b4cc>] (do_idle+0xe4/0x158) [34232.988368] [<c019b4cc>] (do_idle) from [<c019b800>] (cpu_startup_entry+0x28/0x2c) [34232.995932] [<c019b800>] (cpu_startup_entry) from [<c0912cc4>] (rest_init+0xc0/0xc4) [34233.003671] [<c0912cc4>] (rest_init) from [<c0e00eb0>] (start_kernel+0x428/0x450) [34233.011143] CPU3: stopping [34233.013852] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G W 4.15.0-rc3-next-20171212 #1 [34233.022623] Hardware name: Allwinner sun8i Family [34233.027330] [<c0114e10>] (unwind_backtrace) from [<c010e970>] (show_stack+0x20/0x24) [34233.035068] [<c010e970>] (show_stack) from [<c08fcca0>] (dump_stack+0x90/0xa4) [34233.042286] [<c08fcca0>] (dump_stack) from [<c0112454>] (handle_IPI+0x29c/0x2bc) [34233.049676] [<c0112454>] (handle_IPI) from [<c010253c>] (gic_handle_irq+0x90/0x94) [34233.057239] [<c010253c>] (gic_handle_irq) from [<c0101a0c>] (__irq_svc+0x6c/0x90) [34233.064709] Exception stack(0xee14bf38 to 0xee14bf80) [34233.069754] bf20: 00000000 0279f86c [34233.077924] bf40: eede2420 c0121bc0 ee14a+-----------------------------+c10f084b c0b653b4 [34233.086093] bf60: 00000000 ee14bf94 ee14b| |60080013 ffffffff [34233.094263] [<c0101a0c>] (__irq_svc) from| Cannot open /dev/ttyUSB0! |48/0x4c) [34233.101655] [<c010a218>] (arch_cpu_idle) | |_call+0x30/0x3c) [34233.109739] [<c0919a90>] (default_idle_ca+-----------------------------+0xe4/0x158) [34233.117388] [<c019b4cc>] (do_idle) from [<c019b800>] (cpu_startup_entry+0x28/0x2c) [34233.124952] [<c019b800>] (cpu_startup_entry) from [<c0111f20>] (secondary_start_kernel+0x15c/0x184) [34233.133988] [<c0111f20>] (secondary_start_kernel) from [<40102b8c>] (0x40102b8c) U-Boot SPL 2017.11-rc2 (Oct 20 2017 - 22:21:57) DRAM: 2048 MiB Trying to boot from MMC1 U-Boot 2017.11-rc2 (Oct 20 2017 - 22:21:57 +0200) Allwinner Technology CPU: Allwinner R40 (SUN8I 1701) Model: Banana Pi BPI-M2-Ultra I2C: ready DRAM: 2 GiB MMC: SUNXI SD/MMC: 0, SUNXI SD/MMC: 1 *** Warning - bad CRC, using default environment In: serial at 1c28000 Out: serial at 1c28000 Err: serial at 1c28000 SCSI: Target spinup took 0 ms. AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode flags: ncq stag pm led clo only pmp pio slum part ccc apst Net: No ethernet found. starting USB... No controllers found Hit any key to stop autoboot: 0
--- normal shutdown ---[ 3826.601352] sd 0:0:0:0: [sda] Synchronizing SCSI cache [ 3826.606737] sd 0:0:0:0: [sda] Stopping disk [ 3827.208326] reboot: Power down [ 3829.265309] i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0 [ 3829.781624] systemd-shutdow: 3 output lines suppressed due to ratelimiting [ 3829.788652] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000000 [ 3829.788652] [ 3829.797779] CPU: 0 PID: 1 Comm: systemd-shutdow Not tainted 4.15.0-rc3-next-20171212 #1 [ 3829.805770] Hardware name: Allwinner sun8i Family [ 3829.810499] [<c0114e10>] (unwind_backtrace) from [<c010e970>] (show_stack+0x20/0x24) [ 3829.818243] [<c010e970>] (show_stack) from [<c08fcca0>] (dump_stack+0x90/0xa4) [ 3829.825466] [<c08fcca0>] (dump_stack) from [<c014ea58>] (panic+0x100/0x28c) [ 3829.832427] [<c014ea58>] (panic) from [<c0154634>] (complete_and_exit+0x0/0x2c) [ 3829.839734] [<c0154634>] (complete_and_exit) from [<c0175974>] (SyS_reboot+0x1c8/0x238) [ 3829.847733] [<c0175974>] (SyS_reboot) from [<c0101000>] (ret_fast_syscall+0x0/0x54) [ 3829.855379] Exception stack(0xee109fa8 to 0xee109ff0) [ 3829.860427] 9fa0: 00455660 4321fedc fee1dead 28121969 4321fedc 8b9c6d00 [ 3829.868597] 9fc0: 00455660 4321fedc 008b8028 00000058 008b80b0 008b8028 be919e94 fffff000 [ 3829.876763] 9fe0: 00000058 be919bc4 b6d08075 b6c8e6f6 [ 3829.881829] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000000 [ 3829.881829] -- Netzwerkadministration/Zentrale Dienste, Interdiziplinaeres Zentrum fuer wissenschaftliches Rechnen der Universitaet Heidelberg IWR; INF 205; 69120 Heidelberg; Tel: (06221)54-14405 Fax: -14427 Email: Hermann.Lauer at iwr.uni-heidelberg.de