New kernel crash with RCPL26 Not sure how to reproduce, if it is even possible. According to BUG somebody tries to take a lock that it already has taken. In the TR it stands that somebody creates a very long name. It is Erlang running and probably this is done there. <2>[ 751.748794] kernel BUG at /repo/ee-jenkins/fem005-eiffel002/Linux-esekilx5343/workspace/ee-delivery-dev-build/rcs-linux-arm/kernel/rtmutex.c:876! <0>[ 751.748797] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM <4>[ 751.748822] Modules linked in: adkNetD ncp lttng_ring_buffer_metadata_client(C) lttng_ring_buffer_client_mmap_overwrite(C) lttng_ring_buffer_metadata_mmap_client(C) lttng_ring_buffer_client_overwrite(C) lttng_ring_buffer_client_mmap_discard(C) lttng_probe_signal(C) lttng_ring_buffer_client_discard(C) lttng_probe_sched(C) lttng_probe_irq(C) lttng_probe_printk(C) lttng_tracer(C) lttng_lib_ring_buffer(C) lttng_statedump(C) <4>[ 751.748827] CPU: 0 PID: 3685 Comm: 4_scheduler Tainted: G C 3.10.62-ltsi-rt55-wrlp600.26-8.8.1.65_4 #1 <4>[ 751.748831] task: d5854780 ti: d5872000 task.ti: d5872000 <4>[ 751.748840] PC is at rt_spin_lock_slowlock+0xbc/0x2e8 <4>[ 751.748842] LR is at rt_spin_lock_slowlock+0x5c/0x2e8 <4>[ 751.748845] pc : [<c083dc70>] lr : [<c083dc10>] psr: 600d0013 <4>[ 751.748845] sp : d5873da0 ip : d5854781 fp : e518fe10 <4>[ 751.748847] r10: e518fe10 r9 : 00000400 r8 : d5854780 <4>[ 751.748849] r7 : 00000000 r6 : e518fe00 r5 : de6c5400 r4 : 00000400 <4>[ 751.748851] r3 : d5854780 r2 : 00000000 r1 : d5854780 r0 : 00000000 <4>[ 751.748855] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user <4>[ 751.748858] Control: 30c5387d Table: 1de4c4c0 DAC: 000000fd <0>[ 751.748860] Process 4_scheduler (pid: 3685, stack limit = 0xd5872240) <0>[ 751.748862] Stack: (0xd5873da0 to 0xd5874000) <0>[ 751.748866] 3da0: d5854780 d5872020 d5873dc4 c0454f48 d5854780 d5854b4c 00000001 d5872000 <0>[ 751.748870] 3dc0: d5872000 d5872000 00000000 c04298b8 00000001 00000000 d5873dec c0454a01 <0>[ 751.748873] 3de0: d5854780 00000400 de6c5400 e518fe00 e518fe10 e518fe00 00000400 e518fe10 <0>[ 751.748876] 3e00: 00000000 c0666d38 00000400 de6c4600 de6c5400 00000000 d6df4400 e518fe00 <0>[ 751.748880] 3e20: 00000400 c0666fd4 00000400 de6c4600 de6c5400 de6c4600 d5872020 c0867bd8 <0>[ 751.748883] 3e40: de4a9cc0 de6c4600 de6c4600 c0668168 00000400 d6df4400 de6c4600 c0661ce0 <0>[ 751.748886] 3e60: c0a9a58c d6df4400 d5872020 d5872000 de6c4750 c083e588 c9902404 00000000 <0>[ 751.748889] 3e80: d5854780 c0457844 dc8491d0 de6c4768 d5872000 a96ce238 00000400 de6c4600 <0>[ 751.748893] 3ea0: 00000000 de4a9cc0 00000400 d5872000 d5872000 c065ed84 000003d0 00000400 <0>[ 751.748896] 3ec0: c066198c c9902400 00000008 de4a9cc0 00000000 00000079 d5873f00 00000001 <0>[ 751.748899] 3ee0: cee73c10 00000400 c065ec88 c04f8e38 d5873f00 d5873efc c0a07e00 cee73c00 <0>[ 751.748903] 3f00: c0a07e00 c0a07e00 c0a12d00 c0a50b09 000dd86a 00000000 d5873f54 c0a12d00 <0>[ 751.748906] 3f20: c0a12d60 00000092 bf06b8d4 d5873fb0 d63cf000 bf06c1f4 d5872000 00000400 <0>[ 751.748909] 3f40: 9b9c625d 0000007a b63c3d30 de4a9cc0 b63c3d30 00000001 0000007a 00000400 <0>[ 751.748912] 3f60: 9b9c625d c04f8f3c d5873f80 0000007a b63c3d30 00000000 00000000 c04f9014 <0>[ 751.748915] 3f80: 00000000 00000000 d5872000 0000007a b63c3d30 00000000 00000092 c040e568 <0>[ 751.748919] 3fa0: d5872000 c040e54c 0000007a b63c3d30 00000000 b63c3d30 0000007a 00000001 <0>[ 751.748922] 3fc0: 0000007a b63c3d30 00000000 00000092 a7a80048 00030bac 00001e03 9b9c625d <0>[ 751.748925] 3fe0: 00000092 b11fe988 b6e36f55 b6dc0916 800d0030 00000000 3fd4d122 1f8deae3 <4>[ 751.748937] [<c083dc70>] (rt_spin_lock_slowlock+0xbc/0x2e8) from [<c0666d38>] (tty_buffer_request_room+0x1c/0x14c) <4>[ 751.748944] [<c0666d38>] (tty_buffer_request_room+0x1c/0x14c) from [<c0666fd4>] (tty_insert_flip_string_fixed_flag+0x30/0xa8) <4>[ 751.748950] [<c0666fd4>] (tty_insert_flip_string_fixed_flag+0x30/0xa8) from [<c0668168>] (pty_write+0x2c/0x64) <4>[ 751.748958] [<c0668168>] (pty_write+0x2c/0x64) from [<c0661ce0>] (n_tty_write+0x354/0x488) <4>[ 751.748964] [<c0661ce0>] (n_tty_write+0x354/0x488) from [<c065ed84>] (tty_write+0xfc/0x25c) <4>[ 751.748972] [<c065ed84>] (tty_write+0xfc/0x25c) from [<c04f8e38>] (do_readv_writev+0x1e4/0x22c) <4>[ 751.748979] [<c04f8e38>] (do_readv_writev+0x1e4/0x22c) from [<c04f8f3c>] (vfs_writev+0x4c/0x70) <4>[ 751.748983] [<c04f8f3c>] (vfs_writev+0x4c/0x70) from [<c04f9014>] (SyS_writev+0x3c/0x78) <4>[ 751.748992] [<c04f9014>] (SyS_writev+0x3c/0x78) from [<c040e54c>] (__sys_trace_return+0x0/0x14) <0>[ 751.748997] Code: e59b300c e3c33001 e1580003 1a000000 (e7f001f2) <4>[ 752.132215] ---[ end tr
