Hi there,
I am running Pimatic on a Raspberry Pi B+ and every few days it will crash! I have updated Pimatic and the Raspian firmware, but nothing helps. Also tried different arm6 binaries of node.js with no luck.
To get pimatic working again I have to kill the process with -9 and start the service again.
This is what I see in the kern.log:
Jun 17 18:12:42 raspberrypi kernel: [937412.511989] BUG: unsupported FP instruction in kernel mode
Jun 17 18:12:42 raspberrypi kernel: [937412.513040] Internal error: Oops - undefined instruction: 0 [#2] ARM
Jun 17 18:12:42 raspberrypi kernel: [937412.514046] Modules linked in: snd_bcm2835 snd_pcm snd_seq snd_seq_device snd_timer snd ftdi_sio pl2303 usbserial bcm2835_gpiomem bcm2835_wdt uio_pdrv_genirq uio
Jun 17 18:12:42 raspberrypi kernel: [937412.517433] CPU: 0 PID: 32327 Comm: node Tainted: G D 4.4.12+ #892
Jun 17 18:12:42 raspberrypi kernel: [937412.520058] Hardware name: BCM2708
Jun 17 18:12:42 raspberrypi kernel: [937412.521578] task: d94b5f60 ti: da632000 task.ti: da632000
Jun 17 18:12:42 raspberrypi kernel: [937412.523196] PC is at vfp_save_state+0x0/0x28
Jun 17 18:12:42 raspberrypi kernel: [937412.524866] LR is at vfp_sync_hwstate+0x3c/0x48
Jun 17 18:12:42 raspberrypi kernel: [937412.526564] pc : [<c000a9d4>] lr : [<c000a618>] psr: 60000013
Jun 17 18:12:42 raspberrypi kernel: [937412.526564] sp : da633e78 ip : da633e90 fp : da633e8c
Jun 17 18:12:42 raspberrypi kernel: [937412.530085] r10: 017d5044 r9 : da632000 r8 : be884540
Jun 17 18:12:42 raspberrypi kernel: [937412.531934] r7 : be884630 r6 : da6320f8 r5 : be884738 r4 : 80000780
Jun 17 18:12:42 raspberrypi kernel: [937412.533851] r3 : da6320f8 r2 : c08893c4 r1 : c0000780 r0 : da6320f8
Jun 17 18:12:42 raspberrypi kernel: [937412.535822] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Jun 17 18:12:42 raspberrypi kernel: [937412.537929] Control: 00c5387d Table: 19614008 DAC: 00000055
Jun 17 18:12:42 raspberrypi kernel: [937412.540117] Process node (pid: 32327, stack limit = 0xda632188)
Jun 17 18:12:42 raspberrypi kernel: [937412.542363] Stack: (0xda633e78 to 0xda634000)
Jun 17 18:12:42 raspberrypi kernel: [937412.544644] 3e60: da633e90 da632000
Jun 17 18:12:42 raspberrypi kernel: [937412.549303] 3e80: da633eac da633e90 c000a77c c000a5e8 00000000 be884540 00000000 d94b6338
Jun 17 18:12:42 raspberrypi kernel: [937412.554335] 3ea0: da633ec4 da633eb0 c0012de0 c000a754 da633fb0 da633ec8 da633f8c da633ec8
Jun 17 18:12:42 raspberrypi kernel: [937412.559788] 3ec0: c0013208 c0012c6c 00528b64 04000000 b6cd4b20 7ffbfeff fffffffe 00000011
Jun 17 18:12:42 raspberrypi kernel: [937412.565470] 3ee0: 00000000 00040001 00001636 00000000 00000000 00000000 00000005 da5d7900
Jun 17 18:12:42 raspberrypi kernel: [937412.571359] 3f00: d94b5f60 dad44420 c08278d8 00000000 da5d7900 00035492 da633f74 da633f28
Jun 17 18:12:42 raspberrypi kernel: [937412.577334] 3f20: c056f76c c0043a90 da633f4c da633f38 c005d9c8 c00257c0 5bbf2198 00035492
Jun 17 18:12:42 raspberrypi kernel: [937412.583553] 3f40: 5bbf2198 00035492 00000000 da632000 da632000 00000000 da633fb0 00000011
Jun 17 18:12:42 raspberrypi kernel: [937412.590035] 3f60: da632000 00000001 da632000 00000000 da633fb0 00000000 da632000 017d5044
Jun 17 18:12:42 raspberrypi kernel: [937412.596838] 3f80: da633fac da633f90 c0013510 c0012f4c 001fa83c 60000010 ffffffff 00c5387d
Jun 17 18:12:42 raspberrypi kernel: [937412.603942] 3fa0: 00000000 da633fb0 c000f848 c0013450 017d5040 00000000 017d5038 501080a8
Jun 17 18:12:42 raspberrypi kernel: [937412.611258] 3fc0: 00000002 00301dd8 be88484c 2e4080c9 328a5299 5115bf1c 017d5044 be884840
Jun 17 18:12:42 raspberrypi kernel: [937412.618696] 3fe0: be884834 be884830 4070a35c 001fa83c 60000010 ffffffff 00000000 00000000
Jun 17 18:12:42 raspberrypi kernel: [937412.626420] [<c000a9d4>] (vfp_save_state) from [<c000a77c>] (vfp_preserve_user_clear_hwstate+0x34/0xc0)
Jun 17 18:12:42 raspberrypi kernel: [937412.634383] [<c000a77c>] (vfp_preserve_user_clear_hwstate) from [<c0012de0>] (setup_sigframe+0x180/0x190)
Jun 17 18:12:42 raspberrypi kernel: [937412.642218] [<c0012de0>] (setup_sigframe) from [<c0013208>] (do_signal+0x2c8/0x3d4)
Jun 17 18:12:42 raspberrypi kernel: [937412.649924] [<c0013208>] (do_signal) from [<c0013510>] (do_work_pending+0xcc/0xe4)
Jun 17 18:12:42 raspberrypi kernel: [937412.657559] [<c0013510>] (do_work_pending) from [<c000f848>] (slow_work_pending+0xc/0x20)
Jun 17 18:12:42 raspberrypi kernel: [937412.665175] Code: e12fff1e e1a0200d e1a0e009 eafffeb2 (eca00b20)
Jun 17 18:12:42 raspberrypi kernel: [937412.681294] ---[ end trace 1ff27d845984047a ]---
hope someone can help… Frank