Hello, Enabling traces still can lockup Xenomai, apparently if any cobalt thread is running.
trace-cmd record -e all [11598.080137] I-pipe: Detected illicit call from head domain 'Xenomai' [11598.080137] into a regular Linux service [11598.091070] CPU: 3 PID: 948 Comm: sshd Not tainted 4.19.98-cip19-xeno10-static #1 [11598.098531] Hardware name: TQ-Group TQMxE39M/Type2 - Board Product Name, BIOS 5.12.30.21.18 04/12/2019 [11598.107813] I-pipe domain: Xenomai [11598.111215] Call Trace: [11598.113666] <IRQ> [11598.115690] dump_stack+0x8c/0xc0 [11598.119011] ipipe_stall_root+0xc/0x30 [11598.122768] rcu_irq_enter_irqson+0x13/0x40 [11598.126947] switch_mm_irqs_off+0x441/0x4e0 [11598.131132] xnarch_switch_to+0x2b/0x70 [11598.134968] ___xnsched_run+0x1b6/0x480 [11598.138806] xnintr_core_clock_handler+0x224/0x2f0 [11598.143602] dispatch_irq_head+0x95/0x130 [11598.147622] __ipipe_handle_irq+0x94/0x200 [11598.151730] apic_timer_interrupt+0x12/0x40 [11598.155914] </IRQ> [11598.158021] RIP: 0010:copy_user_generic_unrolled+0xb1/0xc0 [11598.163513] Code: 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 88 07 48 ff c6 48 ff c7 ff c9 75 f2 31 c0 0f 01 ca <c3> 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 2 [11598.182250] RSP: 0018:ffff95ffc0947c50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [11598.189809] RAX: 0000000000000000 RBX: 000000000000001e RCX: 0000000000000000 [11598.196934] RDX: 0000000000000006 RSI: ffff95ffc006f2f0 RDI: 00007fff3aa91f7e [11598.204055] RBP: ffff90d2f952a400 R08: 726f63657220706f R09: 00007fff3aa91f60 [11598.211179] R10: 000000000000095c R11: ffff90d2f3e1596c R12: ffff95ffc0947d40 [11598.218306] R13: ffff95ffc006f000 R14: ffff95ffc0947d48 R15: ffff95ffc006f2d2 [11598.225447] _copy_to_user+0x28/0x30 [11598.229027] copy_from_read_buf+0x97/0x150 [11598.233127] n_tty_read+0x202/0x920 [11598.236624] ? set_fd_set.part.0+0x37/0x40 [11598.240720] ? core_sys_select+0x278/0x2d0 [11598.244818] ? rcu_all_qs+0x5/0x80 [11598.248229] ? _cond_resched+0x15/0x30 [11598.251985] ? ldsem_down_read+0x38/0x200 [11598.255997] ? do_wait_intr_irq+0x90/0x90 [11598.260004] tty_read+0x83/0xf0 [11598.263141] __vfs_read+0x34/0x180 [11598.266540] ? trace_buffer_unlock_commit_regs+0x37/0x90 [11598.271853] ? trace_event_buffer_commit+0x66/0x1d0 [11598.276735] vfs_read+0x9d/0x150 [11598.279968] ksys_read+0x57/0xd0 [11598.283201] do_syscall_64+0x78/0x3d0 [11598.286864] ? __do_page_fault+0x206/0x400 [11598.290954] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [11598.296000] RIP: 0033:0x7effc6e2c441 [11598.299590] Code: Bad RIP value. [11598.302820] RSP: 002b:00007fff3aa91f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [11598.310371] RAX: ffffffffffffffda RBX: 00007effc6d1b2c0 RCX: 00 Mit besten Grüßen / Kind regards NORBERT LANGE AT-RD3 ANDRITZ HYDRO GmbH Eibesbrunnergasse 20 1120 Vienna / AUSTRIA p: +43 50805 56684 norbert.la...@andritz.com<mailto:norbert.la...@andritz.com> andritz.com<http://www.andritz.com/> ________________________________ This message and any attachments are solely for the use of the intended recipients. They may contain privileged and/or confidential information or other information protected from disclosure. If you are not an intended recipient, you are hereby notified that you received this email in error and that any review, dissemination, distribution or copying of this email and any attachment is strictly prohibited. If you have received this email in error, please contact the sender and delete the message and any attachment from your system. ANDRITZ HYDRO GmbH Rechtsform/ Legal form: Gesellschaft mit beschränkter Haftung / Corporation Firmensitz/ Registered seat: Wien Firmenbuchgericht/ Court of registry: Handelsgericht Wien Firmenbuchnummer/ Company registration: FN 61833 g DVR: 0605077 UID-Nr.: ATU14756806 Thank You ________________________________ -------------- next part -------------- A non-text attachment was scrubbed... Name: config-4.19.tar.xz Type: application/octet-stream Size: 20180 bytes Desc: config-4.19.tar.xz URL: <http://xenomai.org/pipermail/xenomai/attachments/20200217/bb047cbd/attachment.obj>
