Messages in this thread | | | Subject | Resent: BUG in RT 45-01 when RT program dumps core | Date | Thu, 19 May 2005 08:36:04 +0200 | From | "kus Kusche Klaus" <> |
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Quoting my mail from Apr 11th (received no response up to now): > When a process running with RT priority dumps core, > I get the following BUG: > > Apr 11 13:44:23 OF455 kern.err kernel: BUG: rtc2:833 RT task > yield()-ing! > Apr 11 13:44:23 OF455 kern.warn kernel: [<c026dad1>] > yield+0x61/0x70 (8) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c0151e49>] > coredump_wait+0x79/0xc0 (20) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c0151f83>] > do_coredump+0xf3/0x200 (92) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c0136789>] > kmem_cache_free+0x49/0x120 (32) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c012abdb>] > atomic_dec_and_spin_lock+0x3b/0x50 (24) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c011c9a5>] > __dequeue_signal+0x105/0x160 (20) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c011e734>] > get_signal_to_deliver+0x334/0x350 (48) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c01027f8>] > do_signal+0x98/0x180 (44) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c0106b56>] > timer_interrupt+0x46/0x70 (108) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c012c9eb>] > handle_IRQ_event+0x5b/0xe0 (8) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c012cba1>] > __do_IRQ+0x111/0x190 (48) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c010d590>] > do_page_fault+0x0/0x530 (16) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c0102917>] > do_notify_resume+0x37/0x3c (8) > Apr 11 13:44:23 OF455 kern.warn kernel: [<c0102ae6>] > work_notifysig+0x13/0x15 (8)
This is still absolutely reproducable, in RT 7.47-01, with slight variations in the stack trace.
Is this something to worry about?
-- Klaus Kusche (Software Development - Control Systems) KEBA AG Gewerbepark Urfahr, A-4041 Linz, Austria (Europe) Tel: +43 / 732 / 7090-3120 Fax: +43 / 732 / 7090-6301 E-Mail: kus@keba.com WWW: www.keba.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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