Messages in this thread | | | Date | Tue, 26 Oct 2004 10:29:41 +0200 | From | (Eran Mann) | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0 |
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K.R. Foley wrote: > Florian Schmidt wrote: > >> doesn't seem so. V0.2 doesn't fix this for me. This time i got a BUG >> storm >> again in syslog (it kinda seems related to starting playback in xmms plus >> loading pages in mozilla. will boot again to verify): >> > > Well I have now gotten a couple of these now too (with V0.2). They all > seem to be generated by firefox or thunderbird and the traces are all > identical except for the offending process. > > > Oct 25 11:22:11 swdev14 kernel: > Oct 25 11:22:20 swdev14 kernel: thunderbird-bin/3946: BUG in futex_wait > at kernel/futex.c:542 > Oct 25 11:22:20 swdev14 kernel: [<c0136389>] futex_wait+0x192/0x19c (12) > Oct 25 11:22:20 swdev14 kernel: [<c0135646>] > sub_preempt_count+0x75/0xd8 (72) > Oct 25 11:22:20 swdev14 kernel: [<c02aa9f2>] _spin_unlock+0x1a/0x34 (4) > Oct 25 11:22:20 swdev14 kernel: [<c02aa9f2>] _spin_unlock+0x1a/0x34 (84) > Oct 25 11:22:20 swdev14 kernel: [<c01120ac>] mcount+0x14/0x18 (4) > Oct 25 11:22:20 swdev14 kernel: [<c02aa9f2>] _spin_unlock+0x1a/0x34 (20) > Oct 25 11:22:20 swdev14 kernel: [<c0118e15>] > default_wake_function+0x0/0x1c (60) > Oct 25 11:22:20 swdev14 kernel: [<c0118e15>] > default_wake_function+0x0/0x1c (32) > Oct 25 11:22:20 swdev14 kernel: [<c0136777>] sys_futex+0xf0/0xfc (12) > Oct 25 11:22:20 swdev14 kernel: [<c01120ac>] mcount+0x14/0x18 (8) > Oct 25 11:22:20 swdev14 kernel: [<c0136637>] do_futex+0x47/0x97 (20) > Oct 25 11:22:20 swdev14 kernel: [<c0136777>] sys_futex+0xf0/0xfc (40) > Oct 25 11:22:20 swdev14 kernel: [<c010623d>] > sysenter_past_esp+0x52/0x71 (68) > Oct 25 11:22:20 swdev14 kernel: preempt count: 00000001 > Oct 25 11:22:20 swdev14 kernel: . 1-level deep critical section nesting: > Oct 25 11:22:20 swdev14 kernel: .. entry 1: print_traces+0x1d/0x59 > [<c0135a28>] / (dump_stack+0x23/0x27 [<c01070db>]) > Oct 25 11:22:20 swdev14 kernel: I see a lot of similar traces too on V0.2 (also either from firefox or thunderbird): Oct 26 10:20:57 eran kernel: thunderbird-bin/4285: BUG in futex_wait at kernel/futex.c:542 Oct 26 10:20:57 eran kernel: [<c01338d9>] futex_wait+0x1b9/0x1c0 (8) Oct 26 10:20:57 eran kernel: [<c0132b84>] check_preempt_timing+0x64/0x190 (80) Oct 26 10:20:57 eran kernel: [<c0132b84>] check_preempt_timing+0x64/0x190 (4) Oct 26 10:20:57 eran kernel: [<c01191f7>] recalc_task_prio+0xa7/0x1a0 (12) Oct 26 10:20:57 eran kernel: [<c0119785>] finish_task_switch+0x35/0xb0 (8) Oct 26 10:20:57 eran kernel: [<c011941a>] try_to_wake_up+0x8a/0xc0 (8) Oct 26 10:20:57 eran kernel: [<c01191f7>] recalc_task_prio+0xa7/0x1a0 (12) Oct 26 10:20:57 eran kernel: [<c01191f7>] recalc_task_prio+0xa7/0x1a0 (12) Oct 26 10:20:57 eran kernel: [<c01191f7>] recalc_task_prio+0xa7/0x1a0 (8) Oct 26 10:20:57 eran kernel: [<c0119785>] finish_task_switch+0x35/0xb0 (12) Oct 26 10:20:57 eran kernel: [<c01191f7>] recalc_task_prio+0xa7/0x1a0 (20) Oct 26 10:20:57 eran kernel: [<c0119785>] finish_task_switch+0x35/0xb0 (12) Oct 26 10:20:57 eran kernel: [<c0119e20>] default_wake_function+0x0/0x10 (64) Oct 26 10:20:57 eran kernel: [<c0119e20>] default_wake_function+0x0/0x10 (32) Oct 26 10:20:57 eran kernel: [<c0108609>] do_IRQ+0x39/0x60 (20) Oct 26 10:20:57 eran kernel: [<c0133b55>] do_futex+0x35/0x90 (20) Oct 26 10:20:57 eran kernel: [<c022cf3c>] copy_from_user+0x5c/0x90 (8) Oct 26 10:20:57 eran kernel: [<c0133c9a>] sys_futex+0xea/0x100 (16) Oct 26 10:20:57 eran kernel: [<c01060f9>] sysenter_past_esp+0x52/0x71 (56) Oct 26 10:20:57 eran kernel: preempt count: 00000001 Oct 26 10:20:57 eran kernel: . 1-level deep critical section nesting: Oct 26 10:20:57 eran kernel: .. entry 1: print_traces+0xd/0x40 [<c0132f8d>] / (0x0 [<00000000>])
I also get these errors from 'tail -f /var/log/messages': tail: cannot read realtime clock: Unknown error 516 (it seems to happen at the same time as the above traces, though less often).
-- Eran Mann MRV International Tel: 972-4-9936297 Fax: 972-4-9890430 www.mrv.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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