From: Rui Nuno Capela <rncbc@rncbc.org>
To: linux-kernel@vger.kernel.org
Cc: Karsten Wiese <fzu@wemgehoertderstaat.de>, Ingo Molnar <mingo@elte.hu>
Subject: Re: realtime-preempt patch-2.6.18-rt7 oops
Date: Sat, 04 Nov 2006 02:08:08 +0000 [thread overview]
Message-ID: <454BF608.20803@rncbc.org> (raw)
In-Reply-To: <454BC8D1.1020001@rncbc.org>
> Karsten Wiese wrote:
>> Does it make a difference, if you build & run with
>> CONFIG_HIGH_RES_TIMERS disabled?
>>
>
More food for thought; still with CONFIG_HIGH_RES_TIMERS not set:
...
Oops: 0002 [#1]
PREEMPT SMP
Modules linked in: appletalk ax25 ipx p8023 ipv6 edd snd_seq_dummy
snd_pcm_oss snd_mixer_oss snd_seq_midi snd_seq_midi_event w83627hf
hwmon_vid snd_seq button hwmon i2c_isa battery ac loop dm_mod usbhid
wacom intel_rng ehci_hcd shpchp pci_hotplug snd_ice1712
snd_ice17xx_ak4xxx intel_agp snd_ak4xxx_adda snd_cs8427 snd_i2c
snd_intel8x0 i2c_i801 snd_mpu401_uart agpgart i2c_core uhci_hcd ide_cd
cdrom usbcore ohci1394 ieee1394 snd_cs46xx gameport snd_rawmidi
snd_seq_device snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd
soundcore snd_page_alloc i8xx_tco sk98lin ext3 jbd reiserfs fan thermal
processor piix ide_disk ide_core
CPU: 1
EIP: 0060:[<c011e56b>] Not tainted VLI
EFLAGS: 00210046 (2.6.18.1-rt7.1-smp #1)
EIP is at enqueue_task+0x2b/0x90
eax: c180f708 ebx: c180f28c ecx: 00000000 edx: c0357868
esi: c0357840 edi: c180edc0 ebp: f7291cd0 esp: f7291cc8
ds: 007b es: 007b ss: 0068 preempt: 00000004
Process ssh-agent (pid: 3751, ti=f7290000 task=dfcb2630 task.ti=f7290000)
Stack: c180edc0 c0357840 f7291ce0 c011e5f1 00000001 c0357840 f7291d44
c0120971
38c0f067 ff898284 c17181e0 00000000 0000001f f7290000 00000000
00000001
00000004 dfd010b0 c0357840 7e7ad015 00000009 b7ca1000 f7bc7ef0
c03d4280
Call Trace:
[<c011e5f1>] __activate_task+0x21/0x40
[<c0120971>] try_to_wake_up+0x321/0x450
[<c0143b62>] wakeup_next_waiter+0xd2/0x1d0
[<c0120b19>] wake_up_process_mutex+0x19/0x20
[<c02ff861>] rt_spin_lock_slowunlock+0x41/0x70
[<c02fe67c>] __schedule+0xc0c/0xee0
[<c01439cb>] _atomic_dec_and_spin_lock+0x2b/0x40
[<c01968ae>] dput+0x1e/0x140
[<c02fefc5>] preempt_schedule_irq+0x55/0x80
[<c010526c>] need_resched+0x20/0x24
[<c010a41a>] convert_fxsr_to_user+0x10a/0x1a0
[<c010a92d>] save_i387+0x12d/0x1e0
[<c0104546>] setup_sigcontext+0x106/0x190
[<c0104e49>] do_notify_resume+0x5e9/0x710
[<c02fefc5>] preempt_schedule_irq+0x55/0x80
[<c010526c>] need_resched+0x20/0x24
[<c01923dd>] sys_select+0x4d/0x1b0
[<c0104759>] restore_sigcontext+0x169/0x190
[<c01053cc>] work_notifysig+0x13/0x1b
Code: 55 89 e5 56 89 c6 53 89 d3 f6 40 0c 08 74 09 a1 60 b0 35 c0 85 c0
75 4b 8b 46 1c 8d 56 28 8d 44 c3 1c 8b 48 04 89 46 28 89 50 04 <89> 11
89 4a 04 8b 46 1c 83 43 04 01 0f ab 43 08 83 7e 1c 63 89
EIP: [<c011e56b>] enqueue_task+0x2b/0x90 SS:ESP 0068:f7291cc8
<6>note: ssh-agent[3751] exited with preempt_count 3
...
Oops: 0002 [#1]
__schedule+0x644/0xee0
[<c011e5f1>] __activate_task+0x21/0x40
[<c011e5f1>] __activate_task+0x21/0x40
[<c01206ab>] try_to_wake_up+0x5b/0x450
[<c01206ab>] try_to_wake_up+0x5b/0x450
[<c0143c68>] __rt_mutex_adjust_prio+0x8/0x20
[<c01444f1>] task_blocks_on_rt_mutex+0x111/0x210
[<c01f42d2>] __next_cpu+0x12/0x30
[<c02feac0>] schedule+0x30/0x100
[<c02ff9cb>] rt_spin_lock_slowlock+0x9b/0x1b0
[<c0302b6e>] kprobe_flush_task+0xe/0x50
[<c02fe67c>] __schedule+0xc0c/0xee0
[<c0105ceb>] reschedule_interrupt+0x1f/0x24
[<c0103a70>] default_idle+0x0/0x80
[<c0103ba1>] cpu_idle+0xb1/0x120
BUG: scheduling from the idle thread!
[<c02fe149>] __schedule+0x6d9/0xee0
[<c011e5f1>] __activate_task+0x21/0x40
[<c011e5f1>] __activate_task+0x21/0x40
[<c01206ab>] try_to_wake_up+0x5b/0x450
[<c0143c68>] __rt_mutex_adjust_prio+0x8/0x20
[<c01444f1>] task_blocks_on_rt_mutex+0x111/0x210
[<c01f42d2>] __next_cpu+0x12/0x30
[<c02feac0>] schedule+0x30/0x100
[<c02ff9cb>] rt_spin_lock_slowlock+0x9b/0x1b0
[<c0302b6e>] kprobe_flush_task+0xe/0x50
[<c02fe67c>] __schedule+0xc0c/0xee0
[<c0105ceb>] reschedule_interrupt+0x1f/0x24
[<c0103a70>] default_idle+0x0/0x80
[<c0103ba1>] cpu_idle+0xb1/0x120
PREEMPT SMP
Modules linked in: appletalk ax25 ipx p8023 ipv6 edd snd_seq_dummy
snd_pcm_oss snd_mixer_oss snd_seq_midi snd_seq_midi_event w83627hf
snd_seq hwmon_vid hwmon i2c_isa button battery ac loop dm_mod intel_rng
usbhid wacom shpchp snd_cs46xx i2c_i801 pci_hotplug gameport i2c_core
intel_agp ide_cd cdrom ehci_hcd uhci_hcd agpgart snd_ice1712
snd_ice17xx_ak4xxx snd_ak4xxx_adda ohci1394 i8xx_tco usbcore sk98lin
snd_cs8427 ieee1394 snd_i2c snd_mpu401_uart snd_rawmidi snd_seq_device
snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd soundcore
snd_page_alloc ext3 jbd reiserfs fan thermal processor piix ide_disk
ide_core
CPU: 0
EIP: 0060:[<c011e56b>] Not tainted VLI
EFLAGS: 00010046 (2.6.18.1-rt7.1-smp #1)
EIP is at enqueue_task+0x2b/0x90
eax: c188f28c ebx: c188ee10 ecx: 00000000 edx: dfd010d8
esi: dfd010b0 edi: c188edc0 ebp: c03e1e8c esp: c03e1e84
ds: 007b es: 007b ss: 0068 preempt: 00000004
Process swapper (pid: 0, ti=c03e0000 task=c0357840 task.ti=c03e0000)
Stack: c188edc0 dfd010b0 c03e1e9c c011e5f1 00000001 dfd010b0 c03e1f00
c0120971
f7bc3930 c03e1eb8 00000001 00000000 0000001f c03e0000 00000001
00000000
00000004 dfd13670 c03e1f30 00000001 dfd005b0 c180edc0 dfd005b0
c03d4280
Call Trace:
[<c011e5f1>] __activate_task+0x21/0x40
[<c0120971>] try_to_wake_up+0x321/0x450
[<c0143b62>] wakeup_next_waiter+0xd2/0x1d0
[<c0120b19>] wake_up_process_mutex+0x19/0x20
[<c02ff861>] rt_spin_lock_slowunlock+0x41/0x70
[<c02fe67c>] __schedule+0xc0c/0xee0
[<c0105ceb>] reschedule_interrupt+0x1f/0x24
[<c0103a70>] default_idle+0x0/0x80
[<c0103ba1>] cpu_idle+0xb1/0x120
[<c03e5808>] start_kernel+0x368/0x440
[<c03e5220>] unknown_bootoption+0x0/0x280
Code: 55 89 e5 56 89 c6 53 89 d3 f6 40 0c 08 74 09 a1 60 b0 35 c0 85 c0
75 4b 8b 46 1c 8d 56 28 8d 44 c3 1c 8b 48 04 89 46 28 89 50 04 <89> 11
89 4a 04 8b 46 1c 83 43 04 01 0f ab 43 08 83 7e 1c 63 89
EIP: [<c011e56b>] enqueue_task+0x2b/0x90 SS:ESP 0068:c03e1e84
<0>Kernel panic - not syncing: Attempted to kill the idle task!
[<c01271a1>] panic+0x51/0x120
[<c012ae50>] do_exit+0x6e0/0xa90
[<c0106462>] show_registers+0x172/0x240
[<c012780b>] printk+0x1b/0x20
[<c0110068>] positive_have_wrcomb+0x8/0x10
[<c0106831>] die+0x301/0x310
[<c0301cc5>] do_page_fault+0x205/0x610
[<c0301ac0>] do_page_fault+0x0/0x610
[<c0105e09>] error_code+0x39/0x40
[<c011007b>] generic_validate_add_page+0xb/0x100
[<c011e56b>] enqueue_task+0x2b/0x90
[<c011e5f1>] __activate_task+0x21/0x40
[<c0120971>] try_to_wake_up+0x321/0x450
[<c0143b62>] wakeup_next_waiter+0xd2/0x1d0
[<c0120b19>] wake_up_process_mutex+0x19/0x20
[<c02ff861>] rt_spin_lock_slowunlock+0x41/0x70
[<c02fe67c>] __schedule+0xc0c/0xee0
[<c0105ceb>] reschedule_interrupt+0x1f/0x24
[<c0103a70>] default_idle+0x0/0x80
[<c0103ba1>] cpu_idle+0xb1/0x120
[<c03e5808>] start_kernel+0x368/0x440
[<c03e5220>] unknown_bootoption+0x0/0x280
swapper/0[CPU#0]: BUG in smp_call_function at arch/i386/kernel/smp.c:557
[<c01283f6>] __WARN_ON+0x66/0x90
[<c0115220>] stop_this_cpu+0x0/0x40
[<c011501a>] smp_call_function+0xda/0xe0
[<c012780b>] printk+0x1b/0x20
[<c011503b>] smp_send_stop+0x1b/0x30
[<c01271b4>] panic+0x64/0x120
[<c012ae50>] do_exit+0x6e0/0xa90
[<c0106462>] show_registers+0x172/0x240
[<c012780b>] printk+0x1b/0x20
[<c0110068>] positive_have_wrcomb+0x8/0x10
[<c0106831>] die+0x301/0x310
[<c0301cc5>] do_page_fault+0x205/0x610
[<c0301ac0>] do_page_fault+0x0/0x610
[<c0105e09>] error_code+0x39/0x40
[<c011007b>] generic_validate_add_page+0xb/0x100
[<c011e56b>] enqueue_task+0x2b/0x90
[<c011e5f1>] __activate_task+0x21/0x40
[<c0120971>] try_to_wake_up+0x321/0x450
[<c0143b62>] wakeup_next_waiter+0xd2/0x1d0
[<c0120b19>] wake_up_process_mutex+0x19/0x20
[<c02ff861>] rt_spin_lock_slowunlock+0x41/0x70
[<c02fe67c>] __schedule+0xc0c/0xee0
[<c0105ceb>] reschedule_interrupt+0x1f/0x24
[<c0103a70>] default_idle+0x0/0x80
[<c0103ba1>] cpu_idle+0xb1/0x120
[<c03e5808>] start_kernel+0x368/0x440
[<c03e5220>] unknown_bootoption+0x0/0x280
...
I will now try turning on some .config debug options, e.g.
CONFIG_PREEMPT, and if I can catch something I'll be back here with some
more dumps ;)
Cheers.
--
rncbc aka Rui Nuno Capela
rncbc@rncbc.org
next prev parent reply other threads:[~2006-11-04 2:04 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-02 10:43 realtime-preempt patch-2.6.18-rt7 oops Rui Nuno Capela
2006-11-03 11:30 ` Karsten Wiese
2006-11-03 22:55 ` Rui Nuno Capela
2006-11-04 2:08 ` Rui Nuno Capela [this message]
2006-11-04 10:54 ` Rui Nuno Capela
2006-11-04 15:08 ` Karsten Wiese
2006-11-05 15:55 ` Rui Nuno Capela
2006-11-05 16:47 ` Rui Nuno Capela
2006-11-05 16:02 ` Daniel Walker
2006-11-05 18:38 ` Rui Nuno Capela
2006-11-05 18:18 ` Daniel Walker
2006-11-06 7:24 ` Mike Galbraith
2006-11-06 9:38 ` Ingo Molnar
2006-11-06 10:02 ` Mike Galbraith
2006-11-06 10:11 ` Ingo Molnar
2006-11-06 10:26 ` Mike Galbraith
2006-11-10 9:31 ` Rui Nuno Capela
2006-11-10 9:33 ` Ingo Molnar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=454BF608.20803@rncbc.org \
--to=rncbc@rncbc.org \
--cc=fzu@wemgehoertderstaat.de \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.