From: Florian Schmidt <mista.tapas@gmx.net>
To: Ingo Molnar <mingo@elte.hu>
Cc: Paul Davis <paul@linuxaudiosystems.com>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
Lee Revell <rlrevell@joe-job.com>,
mark_h_johnson@raytheon.com, Bill Huey <bhuey@lnxw.com>,
Adam Heath <doogie@debian.org>,
Michal Schmidt <xschmi00@stud.feec.vutbr.cz>,
Fernando Pablo Lopez-Lezcano <nando@ccrma.stanford.edu>,
Karsten Wiese <annabellesgarden@yahoo.de>,
jackit-devel <jackit-devel@lists.sourceforge.net>,
Rui Nuno Capela <rncbc@rncbc.org>
Subject: Re: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4]
Date: Sat, 30 Oct 2004 00:31:22 +0200 [thread overview]
Message-ID: <20041030003122.03bcf01b@mango.fruits.de> (raw)
In-Reply-To: <20041029212545.GA13199@elte.hu>
On Fri, 29 Oct 2004 23:25:45 +0200
Ingo Molnar <mingo@elte.hu> wrote:
> > will do so. btw: i think i'm a bit confused right now. What debugging
> > features should i have enabled for this test?
>
> this particular one (atomicity-checking) is always-enabled if you have
> the -RT patch applied (it's a really cheap check).
>
> for the 'application-triggered tracing' facility we talked about earlier
> is only active if LATENCY_TRACING is enabled. In that case to turn the
> tracer on, call:
[snip]
Ok,
.config attached,
running the patched jackd -R -P 60 -d alsa -p64 for a bit and provoking
xruns via window wiggling :)
mango:~# cat /proc/sys/kernel/trace_enabled
2
mango:~# cat /proc/sys/kernel/preempt_max_latency
75
mango:~# cat /proc/sys/kernel/preempt_thresh
0
mango:~# cat /proc/latency_trace
preemption latency trace v1.0.7 on 2.6.9-mm1-RT-V0.5.14-rt
-------------------------------------------------------
latency: 75 us, entries: 54 (54) | [VP:0 KP:1 SP:1 HP:1 #CPUS:1]
-----------------
| task: jackd/1083, uid:1000 nice:0 policy:1 rt_prio:60
-----------------
=> started at: try_to_wake_up+0x5a/0x110 <c01151ca>
=> ended at: finish_task_switch+0x31/0xc0 <c0115691>
=======>
834 80000000 0.000ms (+0.000ms): (39) ((115))
834 80000000 0.000ms (+0.000ms): (1083) ((834))
834 80000000 0.000ms (+0.000ms): preempt_schedule (try_to_wake_up)
834 80000000 0.000ms (+0.000ms): preempt_schedule (__up_write)
834 00000000 0.000ms (+0.000ms): preempt_schedule (up_write_mutex)
834 80000000 0.000ms (+0.000ms): __schedule (preempt_schedule)
834 80000000 0.000ms (+0.000ms): profile_hit (__schedule)
834 80000000 0.000ms (+0.000ms): sched_clock (__schedule)
1083 80000000 0.001ms (+0.000ms): __switch_to (__schedule)
1083 80000000 0.001ms (+0.000ms): (834) ((1083))
1083 80000000 0.001ms (+0.000ms): (115) ((39))
1083 80000000 0.002ms (+0.000ms): finish_task_switch (__schedule)
1083 80000000 0.002ms (+0.000ms): trace_stop_sched_switched (finish_task_switch)
1083 80000000 0.002ms (+0.000ms): (1083) ((39))
1083 00000000 0.003ms (+0.000ms): _mutex_unlock (kfree)
1083 00000000 0.003ms (+0.000ms): up_mutex (kfree)
1083 00000000 0.003ms (+0.000ms): up_write_mutex (kfree)
1083 00000000 0.003ms (+0.000ms): __up_write (up_write_mutex)
1083 00000000 0.003ms (+0.000ms): poll_freewait (sys_poll)
1083 00000000 0.003ms (+0.000ms): remove_wait_queue (poll_freewait)
1083 00000000 0.003ms (+0.000ms): _mutex_lock_irqsave (remove_wait_queue)
1083 00000000 0.003ms (+0.000ms): __mutex_lock (_mutex_lock_irqsave)
1083 00000000 0.003ms (+0.000ms): __might_sleep (__mutex_lock)
1083 00000000 0.004ms (+0.000ms): down_mutex (__mutex_lock)
1083 00000000 0.004ms (+0.000ms): down_write_mutex (__mutex_lock)
1083 00000000 0.004ms (+0.000ms): __might_sleep (down_write_mutex)
1083 00000000 0.004ms (+0.000ms): _mutex_unlock_irqrestore (remove_wait_queue)
1083 00000000 0.004ms (+0.000ms): up_mutex (remove_wait_queue)
1083 00000000 0.004ms (+0.000ms): up_write_mutex (remove_wait_queue)
1083 00000000 0.004ms (+0.000ms): __up_write (up_write_mutex)
1083 00000000 0.004ms (+0.000ms): fput (poll_freewait)
1083 00000000 0.005ms (+0.000ms): free_pages (poll_freewait)
1083 00000000 0.005ms (+0.000ms): __free_pages (poll_freewait)
1083 00000000 0.005ms (+0.000ms): free_hot_page (poll_freewait)
1083 00000000 0.006ms (+0.000ms): __free_pages_ok (free_hot_page)
1083 00000000 0.006ms (+0.000ms): free_pages_bulk (__free_pages_ok)
1083 00000000 0.006ms (+0.000ms): _mutex_lock_irqsave (free_pages_bulk)
1083 00000000 0.006ms (+0.000ms): __mutex_lock (_mutex_lock_irqsave)
1083 00000000 0.007ms (+0.000ms): __might_sleep (__mutex_lock)
1083 00000000 0.007ms (+0.000ms): down_mutex (__mutex_lock)
1083 00000000 0.007ms (+0.000ms): down_write_mutex (__mutex_lock)
1083 00000000 0.007ms (+0.000ms): __might_sleep (down_write_mutex)
1083 00000000 0.007ms (+0.000ms): bad_range (free_pages_bulk)
1083 00000000 0.007ms (+0.000ms): bad_range (free_pages_bulk)
1083 00000000 0.008ms (+0.000ms): _mutex_unlock_irqrestore (free_pages_bulk)
1083 00000000 0.008ms (+0.000ms): up_mutex (free_pages_bulk)
1083 00000000 0.008ms (+0.000ms): up_write_mutex (free_pages_bulk)
1083 00000000 0.008ms (+0.004ms): __up_write (up_write_mutex)
1083 00000000 0.013ms (+0.000ms): sys_gettimeofday (syscall_call)
1083 00000000 0.013ms (+0.000ms): user_trace_stop (sys_gettimeofday)
1083 80000000 0.013ms (+0.000ms): user_trace_stop (sys_gettimeofday)
1083 80000000 0.013ms (+0.000ms): update_max_trace (user_trace_stop)
1083 80000000 0.014ms (+0.000ms): _mmx_memcpy (update_max_trace)
1083 80000000 0.014ms (+0.000ms): kernel_fpu_begin (_mmx_memcpy)
mango:~# chrt -p `pidof "IRQ 3"`
pid 118's current scheduling policy: SCHED_FIFO
pid 118's current scheduling priority: 99
mango:~# ps aux|grep jackd
tapas 1080 4.2 3.6 28244 28220 pts/1 SLl+ 00:22 0:18 jackd -R -P 60 -d alsa -p 64
mango:~# chrt -p 1080
pid 1080's current scheduling policy: SCHED_OTHER
pid 1080's current scheduling priority: 0
mango:~# chrt -p 1081
pid 1081's current scheduling policy: SCHED_OTHER
pid 1081's current scheduling priority: 0
mango:~# chrt -p 1082
pid 1082's current scheduling policy: SCHED_FIFO
pid 1082's current scheduling priority: 70
mango:~# chrt -p 1083
pid 1083's current scheduling policy: SCHED_FIFO
pid 1083's current scheduling priority: 60
and here's some syslog stuff:
Oct 30 00:20:32 mango kernel: Realtime LSM initialized (group 1002, mlock=1)
Oct 30 00:20:35 mango kernel: IRQ#3 thread RT prio: 43.
Oct 30 00:20:38 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:20:38 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:20:38 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:20:38 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:20:38 mango kernel: ---------------------------
Oct 30 00:20:38 mango kernel: | preempt count: 00000001 ]
Oct 30 00:20:38 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:20:38 mango kernel: ----------------------------------------
Oct 30 00:20:38 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:20:38 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:20:38 mango kernel:
Oct 30 00:20:47 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:20:47 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:20:47 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:20:47 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:20:47 mango kernel: ---------------------------
Oct 30 00:20:47 mango kernel: | preempt count: 00000001 ]
Oct 30 00:20:47 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:20:47 mango kernel: ----------------------------------------
Oct 30 00:20:47 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:20:47 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:20:47 mango kernel:
Oct 30 00:20:51 mango kernel: (IRQ 3/118/CPU#0): new 4 us maximum-latency wakeup.
Oct 30 00:20:51 mango kernel: (bash/867/CPU#0): new 6 us maximum-latency wakeup.
Oct 30 00:20:52 mango kernel: (bash/1035/CPU#0): new 7 us maximum-latency wakeup.
Oct 30 00:20:52 mango kernel: (ksoftirqd/0/2/CPU#0): new 8 us maximum-latency wakeup.
Oct 30 00:20:52 mango kernel: (ksoftirqd/0/2/CPU#0): new 13 us maximum-latency wakeup.
Oct 30 00:21:11 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:11 mango kernel: (IRQ 12/15/CPU#0): new 19 us maximum-latency wakeup.
Oct 30 00:21:11 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:11 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:11 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:11 mango kernel: ---------------------------
Oct 30 00:21:11 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:11 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:11 mango kernel: ----------------------------------------
Oct 30 00:21:11 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:11 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:11 mango kernel:
Oct 30 00:21:11 mango kernel: (IRQ 12/15/CPU#0): new 75 us maximum-latency wakeup.
Oct 30 00:21:11 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:11 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:11 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:11 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:11 mango kernel: ---------------------------
Oct 30 00:21:11 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:11 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:11 mango kernel: ----------------------------------------
Oct 30 00:21:11 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:11 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:11 mango kernel:
Oct 30 00:21:11 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:11 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:11 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:11 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:11 mango kernel: ---------------------------
Oct 30 00:21:11 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:11 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:11 mango kernel: ----------------------------------------
Oct 30 00:21:11 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:11 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:11 mango kernel:
Oct 30 00:21:11 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:11 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:11 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:11 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:11 mango kernel: ---------------------------
Oct 30 00:21:11 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:11 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:11 mango kernel: ----------------------------------------
Oct 30 00:21:11 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:11 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:11 mango kernel:
Oct 30 00:21:11 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:11 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:11 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:11 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:11 mango kernel: ---------------------------
Oct 30 00:21:11 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:11 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:11 mango kernel: ----------------------------------------
Oct 30 00:21:11 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:11 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:11 mango kernel:
Oct 30 00:21:11 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:11 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:11 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:11 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:11 mango kernel: ---------------------------
Oct 30 00:21:11 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:11 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:11 mango kernel: ----------------------------------------
Oct 30 00:21:11 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:11 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:11 mango kernel:
Oct 30 00:21:12 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:12 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:12 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:12 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:12 mango kernel: ---------------------------
Oct 30 00:21:12 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:12 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:12 mango kernel: ----------------------------------------
Oct 30 00:21:12 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:12 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:12 mango kernel:
Oct 30 00:21:13 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:13 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:13 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:13 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:13 mango kernel: ---------------------------
Oct 30 00:21:13 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:13 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:13 mango kernel: ----------------------------------------
Oct 30 00:21:13 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:13 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:13 mango kernel:
Oct 30 00:21:31 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:31 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:31 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:31 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:31 mango kernel: ---------------------------
Oct 30 00:21:31 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:31 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:31 mango kernel: ----------------------------------------
Oct 30 00:21:31 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:31 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:31 mango kernel:
Oct 30 00:21:32 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:32 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:32 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:32 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:32 mango kernel: ---------------------------
Oct 30 00:21:32 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:32 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:32 mango kernel: ----------------------------------------
Oct 30 00:21:32 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:32 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:32 mango kernel:
Oct 30 00:21:32 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:32 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:32 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:32 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:32 mango kernel: ---------------------------
Oct 30 00:21:32 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:32 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:32 mango kernel: ----------------------------------------
Oct 30 00:21:32 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:32 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:32 mango kernel:
Oct 30 00:21:32 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:32 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:32 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:32 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:32 mango kernel: ---------------------------
Oct 30 00:21:32 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:32 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:32 mango kernel: ----------------------------------------
Oct 30 00:21:32 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:32 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:32 mango kernel:
Oct 30 00:21:34 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:34 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:34 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:34 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:34 mango kernel: ---------------------------
Oct 30 00:21:34 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:34 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:34 mango kernel: ----------------------------------------
Oct 30 00:21:34 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:34 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:34 mango kernel:
Oct 30 00:21:35 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:35 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:35 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:35 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:35 mango kernel: ---------------------------
Oct 30 00:21:35 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:35 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:35 mango kernel: ----------------------------------------
Oct 30 00:21:35 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:35 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:35 mango kernel:
Oct 30 00:21:37 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:21:37 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:21:37 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:21:37 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:21:37 mango kernel: ---------------------------
Oct 30 00:21:37 mango kernel: | preempt count: 00000001 ]
Oct 30 00:21:37 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:21:37 mango kernel: ----------------------------------------
Oct 30 00:21:37 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:21:37 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:21:37 mango kernel:
Oct 30 00:22:09 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:22:09 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:22:09 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:22:09 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:22:09 mango kernel: ---------------------------
Oct 30 00:22:09 mango kernel: | preempt count: 00000001 ]
Oct 30 00:22:09 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:22:09 mango kernel: ----------------------------------------
Oct 30 00:22:09 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:22:09 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:22:09 mango kernel:
Oct 30 00:22:10 mango kernel: jackd:1019 userspace BUG: scheduling in user-atomic context!
Oct 30 00:22:10 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:22:10 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:22:10 mango kernel: [kernel_config_data+5091/6569] io_schedule+0x13/0x20 (8)
Oct 30 00:22:10 mango kernel: [do_hardirq+104/304] sync_page+0x38/0x50 (12)
Oct 30 00:22:10 mango kernel: [kernel_config_data+5981/6569] __wait_on_bit_lock+0x5d/0x70 (32)
Oct 30 00:22:10 mango kernel: [init_irq_proc+137/176] __lock_page+0x89/0xa0 (92)
Oct 30 00:22:10 mango kernel: [__generic_file_aio_read+402/544] filemap_nopage+0x2b2/0x3e0 (60)
Oct 30 00:22:10 mango kernel: [do_no_page+74/848] do_no_page+0xba/0x390 (68)
Oct 30 00:22:10 mango kernel: [handle_mm_fault+207/416] handle_mm_fault+0xef/0x180 (48)
Oct 30 00:22:10 mango kernel: [get_user_pages+169/912] get_user_pages+0x139/0x380 (60)
Oct 30 00:22:10 mango kernel: [make_pages_present+108/192] make_pages_present+0x9c/0x110 (56)
Oct 30 00:22:10 mango kernel: [do_mmap_pgoff+699/1808] do_mmap_pgoff+0x47b/0x700 (88)
Oct 30 00:22:10 mango kernel: [old_mmap+149/304] old_mmap+0xc5/0xf0 (96)
Oct 30 00:22:10 mango kernel: [irq_entries_start+3/128] syscall_call+0x7/0xb (-8124)
Oct 30 00:22:10 mango kernel: ---------------------------
Oct 30 00:22:10 mango kernel: | preempt count: 00000001 ]
Oct 30 00:22:10 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:22:10 mango kernel: ----------------------------------------
Oct 30 00:22:10 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:22:10 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:22:10 mango kernel:
Oct 30 00:24:40 mango kernel: jackd:1083 userspace BUG: scheduling in user-atomic context!
Oct 30 00:24:40 mango kernel: [show_registers+99/464] dump_stack+0x23/0x30 (20)
Oct 30 00:24:40 mango kernel: [kernel_config_data+2090/6569] schedule+0x7a/0x120 (36)
Oct 30 00:24:40 mango kernel: [irq_entries_start+43/128] work_resched+0x6/0x17 (-8124)
Oct 30 00:24:40 mango kernel: ---------------------------
Oct 30 00:24:40 mango kernel: | preempt count: 00000001 ]
Oct 30 00:24:40 mango kernel: | 1-level deep critical section nesting:
Oct 30 00:24:40 mango kernel: ----------------------------------------
Oct 30 00:24:40 mango kernel: .. [l_show+173/272] .... print_traces+0x1d/0x90
Oct 30 00:24:40 mango kernel: .....[show_registers+99/464] .. ( <= dump_stack+0x23/0x30)
Oct 30 00:24:40 mango kernel:
Oct 30 00:28:29 mango kernel: (IRQ 3/118/CPU#0): new 205 us maximum-latency wakeup.
next prev parent reply other threads:[~2004-10-29 22:29 UTC|newest]
Thread overview: 152+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1099008264.4199.4.camel@krustophenia.net>
2004-10-29 0:57 ` [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4] Paul Davis
2004-10-29 2:10 ` Lee Revell
2004-10-29 8:02 ` Ingo Molnar
2004-10-29 8:21 ` Thomas Gleixner
2004-10-29 9:09 ` Ingo Molnar
2004-10-29 11:01 ` Paul Davis
2004-10-29 11:14 ` Ingo Molnar
2004-10-29 11:26 ` Paul Davis
2004-10-29 11:36 ` Ingo Molnar
2004-10-29 13:35 ` Paul Davis
2004-10-29 13:55 ` Ingo Molnar
2004-10-29 14:03 ` Paul Davis
2004-10-29 14:15 ` Ingo Molnar
2004-10-29 16:14 ` Ingo Molnar
2004-10-29 16:21 ` Ingo Molnar
2004-10-29 16:32 ` Florian Schmidt
2004-10-29 16:23 ` Ingo Molnar
2004-10-29 16:31 ` Ingo Molnar
2004-10-29 16:37 ` Ingo Molnar
2004-10-29 16:53 ` Ingo Molnar
2004-10-29 17:16 ` Florian Schmidt
2004-10-29 17:02 ` Ingo Molnar
2004-10-29 17:09 ` Ingo Molnar
2004-10-29 17:16 ` Ingo Molnar
2004-10-29 17:33 ` Florian Schmidt
2004-10-29 17:21 ` Ingo Molnar
2004-10-29 17:22 ` Ingo Molnar
2004-10-29 18:36 ` Florian Schmidt
2004-10-29 20:33 ` Ingo Molnar
2004-10-29 20:51 ` Paul Davis
2004-10-29 21:11 ` Ingo Molnar
2004-10-30 1:06 ` Paul Davis
2004-10-30 11:34 ` Ingo Molnar
2004-11-26 17:16 ` [Jackit-devel] " Jack O'Quin
2004-10-29 20:42 ` Ingo Molnar
2004-10-29 21:31 ` Florian Schmidt
2004-10-29 21:25 ` Ingo Molnar
2004-10-29 21:42 ` Lee Revell
2004-10-29 21:46 ` Ingo Molnar
2004-10-29 21:53 ` Lee Revell
2004-10-29 23:12 ` Lee Revell
2004-10-30 11:58 ` Ingo Molnar
2004-10-30 17:49 ` Lee Revell
2004-10-30 19:17 ` Ingo Molnar
2004-10-30 19:43 ` Lee Revell
2004-10-30 19:47 ` Florian Schmidt
2004-10-30 19:37 ` Ingo Molnar
2004-10-30 19:57 ` Florian Schmidt
2004-10-30 19:52 ` Lee Revell
2004-10-30 20:15 ` Florian Schmidt
2004-10-30 20:26 ` Lee Revell
2004-10-30 21:13 ` Florian Schmidt
2004-10-30 21:26 ` Lee Revell
2004-10-30 21:38 ` Florian Schmidt
2004-10-30 23:12 ` Lee Revell
2004-10-31 12:07 ` Ingo Molnar
2004-10-31 12:48 ` Ingo Molnar
2004-10-31 12:54 ` Lee Revell
2004-10-31 13:13 ` Ingo Molnar
2004-10-31 13:40 ` Ingo Molnar
2004-10-31 15:20 ` Florian Schmidt
2004-10-31 15:59 ` Florian Schmidt
2004-10-31 19:06 ` Florian Schmidt
2004-11-01 13:42 ` Ingo Molnar
2004-11-01 13:53 ` Ingo Molnar
2004-11-01 14:06 ` Ingo Molnar
2004-11-01 15:47 ` Thomas Gleixner
2004-11-01 17:55 ` Lee Revell
2004-11-01 17:58 ` Thomas Gleixner
2004-11-01 18:43 ` Ingo Molnar
2004-11-01 18:46 ` Ingo Molnar
2004-11-01 22:30 ` Florian Schmidt
2004-11-01 22:40 ` Bill Huey
2004-11-01 22:51 ` Florian Schmidt
2004-11-01 22:59 ` Bill Huey
2004-11-02 8:02 ` Ingo Molnar
2004-11-02 8:07 ` Ingo Molnar
2004-11-02 15:06 ` [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.6.8 Ingo Molnar
2004-11-02 17:52 ` K.R. Foley
2004-11-02 19:37 ` Ingo Molnar
2004-11-02 19:40 ` K.R. Foley
2004-11-02 19:24 ` Norberto Bensa
2004-11-02 19:35 ` Ingo Molnar
2004-11-02 23:09 ` Karsten Wiese
2004-11-03 1:12 ` Ingo Molnar
2004-11-03 10:15 ` Karsten Wiese
2004-11-01 17:04 ` [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4] Rui Nuno Capela
2004-11-01 17:08 ` Thomas Gleixner
2004-11-01 20:00 ` Rui Nuno Capela
2004-11-01 17:24 ` K.R. Foley
2004-11-02 0:22 ` Michal Schmidt
2004-11-01 13:54 ` Paul Davis
2004-11-01 14:30 ` Ingo Molnar
2004-11-01 19:30 ` Paul Davis
2004-11-02 8:17 ` Ingo Molnar
2004-11-01 14:03 ` Florian Schmidt
2004-11-01 14:12 ` Ingo Molnar
2004-11-01 15:29 ` K.R. Foley
2004-11-02 23:41 ` [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.6] Remi Colinet
2004-11-03 1:04 ` Remi Colinet
2004-11-01 11:55 ` [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4] Ingo Molnar
2004-11-01 12:37 ` Ingo Molnar
2004-11-01 12:35 ` Thomas Gleixner
2004-11-01 12:51 ` Ingo Molnar
2004-11-01 13:15 ` Ingo Molnar
2004-11-01 13:40 ` Florian Schmidt
2004-11-01 13:48 ` Ingo Molnar
2004-11-01 16:47 ` Rui Nuno Capela
2004-10-31 23:16 ` Michal Schmidt
2004-11-01 0:05 ` Magnus Määttä
2004-10-31 13:11 ` Ingo Molnar
2004-10-31 14:11 ` Florian Schmidt
2004-10-31 13:22 ` Ingo Molnar
2004-10-31 14:28 ` Florian Schmidt
2004-10-31 13:30 ` Ingo Molnar
2004-10-31 21:58 ` Rui Nuno Capela
2004-10-31 22:11 ` K.R. Foley
2004-10-31 2:20 ` Lee Revell
2004-10-31 10:00 ` Florian Schmidt
2004-10-31 12:09 ` Lee Revell
2004-10-31 12:19 ` Ingo Molnar
2004-10-31 12:35 ` Lee Revell
2004-10-31 12:39 ` Ingo Molnar
2004-10-30 20:05 ` Lee Revell
2004-10-30 20:29 ` Florian Schmidt
2004-10-30 0:15 ` Lee Revell
2004-10-29 22:31 ` Florian Schmidt [this message]
2004-10-29 22:50 ` Florian Schmidt
2004-10-30 13:15 ` Ingo Molnar
2004-10-30 17:53 ` Florian Schmidt
2004-10-30 3:36 ` Lee Revell
2004-10-30 3:48 ` Lee Revell
2004-10-30 11:16 ` Ingo Molnar
2004-10-30 17:44 ` Lee Revell
2004-10-30 11:28 ` Ingo Molnar
2004-10-30 11:33 ` Ingo Molnar
2004-10-30 13:16 ` Florian Schmidt
2004-10-30 1:10 ` Lee Revell
2004-10-30 1:15 ` Lee Revell
2004-10-29 8:59 ` Ingo Molnar
2004-10-29 9:29 ` Ingo Molnar
2004-10-29 13:48 ` Ingo Molnar
2004-10-29 14:19 ` Paul Davis
2004-10-29 14:27 ` Ingo Molnar
2004-10-29 14:31 ` Ingo Molnar
2004-10-29 14:38 ` Paul Davis
2004-10-29 19:33 ` Lee Revell
2004-10-29 19:35 ` Thomas Gleixner
2004-11-01 14:32 Mark_H_Johnson
2004-11-01 14:36 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2004-11-01 16:34 Mark_H_Johnson
2004-11-01 18:48 ` Ingo Molnar
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