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Date: Tue, 03 Apr 2007 18:11:43 +0200
From: Michal Piotrowski <michal.k.k.piotrowski@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
CC: linux-kernel@...r.kernel.org, Con Kolivas <kernel@...ivas.org>,
Ingo Molnar <mingo@...e.hu>
Subject: Re: 2.6.21-rc5-mm4
Andrew Morton napisał(a):
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc5/2.6.21-rc5-mm4/
>
Looks like a scheduler problem.
BUG: unable to handle kernel paging request at virtual address 0743c798
printing eip:
c011d840
*pde = 00000000
Oops: 0000 [#1]
PREEMPT SMP
last sysfs file: devices/platform/w83627hf.656/temp2_input
Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nfsd exportfs lockd nfs_acl autofs4 sunrpc af_packet nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink iptable_filter ip_tables ip6t_REJECT xt_tcpudp ip6table_filter ip6_tables x_tables ipv6 binfmt_misc thermal processor fan container nvram snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm evdev snd_timer snd soundcore snd_page_alloc intel_agp agpgart i2c_i801 ide_cd cdrom rtc unix
CPU: 0
EIP: 0060:[<c011d840>] Not tainted VLI
l *0xc011d840
0xc011d840 is in recalc_task_prio (/mnt/md0/devel/linux-mm/kernel/sched.c:720).
715 * a queued better static_prio's prio_level.
716 */
717 if (p->static_prio < rq->best_static_prio) {
718 search_prio = MAX_RT_PRIO;
719 if (likely(p->policy != SCHED_BATCH))
720 rq->best_static_prio = p->static_prio;
721 } else if (p->static_prio == rq->best_static_prio)
722 search_prio = rq->prio_level[uprio];
723 else {
724 search_prio = max(rq->prio_level[uprio],
EFLAGS: 00210006 (2.6.21-rc5-mm4 #13)
EIP is at recalc_task_prio+0xfa/0x19e
eax: 1000008b ebx: 10000027 ecx: 0000008b edx: c743bda0
esi: c985a070 edi: c743bda0 ebp: ce47fec0 esp: ce47fe98
ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
Process operapluginwrap (pid: 3560, ti=ce47e000 task=ccffd510 task.ti=ce47e000)
Stack: 00000000 c743bda0 c743c27c c011df36 c01240ed c04eac14 ce47fed0 c985a070
c743bda0 c985a070 ce47fed0 c011da29 00000001 c985a070 ce47ff00 c011f327
00000000 c052cda0 ce47ff00 c743bda0 8fbe3987 0000002d c985a070 003d0f00
Call Trace:
[<c011da29>] enqueue_task+0x31/0x7d
[<c011f327>] activate_task+0xba/0xce
[<c01223f3>] wake_up_new_task+0x65/0x125
[<c012440d>] do_fork+0x10f/0x181
[<c010223f>] sys_clone+0x33/0x39
[<c010424c>] syscall_call+0x7/0xb
[<4cefd258>] 0x4cefd258
=======================
INFO: lockdep is turned off.
Code: 83 7e 5c 03 0f 95 c2 b8 74 4c 4a c0 e8 12 e4 0f 00 bf 64 00 00 00 85 c0 74 2f 8b 46 1c 8b 55 dc 89 82 fc 09 00 00 eb 21 8b 7d dc <8b> 94 9f 5c 09 00 00 75 04 89 d7 eb 11 8b 7d dc 8b 84 8f cc 07
EIP: [<c011d840>] recalc_task_prio+0xfa/0x19e SS:ESP 0068:ce47fe98
BUG: NMI Watchdog detected LOCKUP on CPU1, eip c020cf0f, registers:
Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nfsd exportfs lockd nfs_acl autofs4 sunrpc af_packet nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink iptable_filter ip_tables ip6t_REJECT xt_tcpudp ip6table_filter ip6_tables x_tables ipv6 binfmt_misc thermal processor fan container nvram snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm evdev snd_timer snd soundcore snd_page_alloc intel_agp agpgart i2c_i801 ide_cd cdrom rtc unix
CPU: 1
EIP: 0060:[<c020cf0f>] Not tainted VLI
l *0xc020cf0f
0xc020cf0f is in delay_tsc (/mnt/md0/devel/linux-mm/arch/i386/lib/delay.c:45).
40 /* TSC based delay: */
41 static void delay_tsc(unsigned long loops)
42 {
43 unsigned long bclock, now;
44
45 rdtscl(bclock);
46 do {
47 rep_nop();
48 rdtscl(now);
49 } while ((now-bclock) < loops);
EFLAGS: 00000096 (2.6.21-rc5-mm4 #13)
EIP is at delay_tsc+0x8/0x17
eax: aa2a3a10 ebx: 00000001 ecx: aa2a386c edx: 00000083
esi: 0262e5e8 edi: 00000001 ebp: ccf1fc80 esp: ccf1fc7c
ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
Process firefox-bin (pid: 3464, ti=ccf1e000 task=caf66ac0 task.ti=ccf1e000)
Stack: c743bda0 ccf1fc90 c020cedc 00000000 c021add9 ccf1fcc0 c021ade8 00000000
00000002 00000001 c011df36 00000000 caf66ac0 a6ca16f0 c743bda0 c743bda0
ccf1fd50 ccf1fce0 c034f4be 00000000 00000002 c011df36 00200200 ccea1050
Call Trace:
[<c020cedc>] __delay+0xc/0xe
[<c021ade8>] _raw_spin_lock+0xc3/0x128
[<c034f4be>] _spin_lock+0x3c/0x42
[<c011df36>] task_rq_lock+0x36/0x70
[<c011f355>] try_to_wake_up+0x1a/0x36b
[<c011f6b4>] default_wake_function+0xe/0x10
[<c011c773>] __wake_up_common+0x32/0x55
[<c011d627>] __wake_up+0x31/0x42
[<c02f847f>] sock_def_readable+0x42/0x70
[<f8858ed0>] unix_stream_sendmsg+0x22d/0x2e2 [unix]
[<c02f3f95>] sock_aio_write+0xfb/0x107
[<c0185cb4>] do_sync_write+0xc5/0x102
[<c01865aa>] vfs_write+0xe5/0x15a
[<c0186bc8>] sys_write+0x3d/0x72
[<c010424c>] syscall_call+0x7/0xb
[<b7f24410>] 0xb7f24410
=======================
INFO: lockdep is turned off.
Code: c1 e0 02 64 8b 15 04 00 00 00 c1 e2 08 69 92 88 88 4e c0 fa 00 00 00 f7 e2 8d 42 01 e8 cb ff ff ff c9 c3 55 89 e5 53 89 c3 0f 31 <89> c1 f3 90 0f 31 29 c8 39 d8 72 f6 5b 5d c3 55 89 e5 83 ec 08
BUG: NMI Watchdog detected LOCKUP on CPU0, eip c020cf15, registers:
Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nfsd exportfs lockd nfs_acl autofs4 sunrpc af_packet nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink iptable_filter ip_tables ip6t_REJECT xt_tcpudp ip6table_filter ip6_tables x_tables ipv6 binfmt_misc thermal processor fan container nvram snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm evdev snd_timer snd soundcore snd_page_alloc intel_agp agpgart i2c_i801 ide_cd cdrom rtc unix
CPU: 0
EIP: 0060:[<c020cf15>] Not tainted VLI
l *0xc020cf15
0xc020cf15 is in delay_tsc (/mnt/md0/devel/linux-mm/arch/i386/lib/delay.c:49).
44
45 rdtscl(bclock);
46 do {
47 rep_nop();
48 rdtscl(now);
49 } while ((now-bclock) < loops);
50 }
51
52 /*
53 * Since we calibrate only once at boot, this
EFLAGS: 00200086 (2.6.21-rc5-mm4 #13)
EIP is at delay_tsc+0xe/0x17
eax: ec55c3c8 ebx: 00000001 ecx: ec55c348 edx: 00000086
esi: 04531454 edi: 00000001 ebp: ce47fc48 esp: ce47fc44
ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
Process operapluginwrap (pid: 3560, ti=ce47e000 task=ccffd510 task.ti=ce47e000)
Stack: c743bda0 ce47fc58 c020cedc 00000000 c021add9 ce47fc88 c021ade8 00000000
00000002 00000001 c011df36 000f4240 000026eb a6ca16f0 c743bda0 c743bda0
ce47fd18 ce47fca8 c034f4be 00000000 00000002 c011df36 c011fe36 c011f5b2
Call Trace:
[<c020cedc>] __delay+0xc/0xe
[<c021ade8>] _raw_spin_lock+0xc3/0x128
[<c034f4be>] _spin_lock+0x3c/0x42
[<c011df36>] task_rq_lock+0x36/0x70
[<c011f5bd>] try_to_wake_up+0x282/0x36b
[<c011f6b4>] default_wake_function+0xe/0x10
[<c0136fc2>] autoremove_wake_function+0x17/0x3a
[<c011c773>] __wake_up_common+0x32/0x55
[<c011d627>] __wake_up+0x31/0x42
[<c0125457>] wake_up_klogd+0x36/0x38
[<c020e38a>] bust_spinlocks+0x2a/0x2c
[<c01058bd>] die+0x16c/0x22c
[<c011b9ed>] do_page_fault+0x47c/0x55b
[<c034fdf1>] error_code+0x79/0x80
[<c011d840>] recalc_task_prio+0xfa/0x19e
[<c011da29>] enqueue_task+0x31/0x7d
[<c011f327>] activate_task+0xba/0xce
[<c01223f3>] wake_up_new_task+0x65/0x125
[<c012440d>] do_fork+0x10f/0x181
[<c010223f>] sys_clone+0x33/0x39
[<c010424c>] syscall_call+0x7/0xb
[<4cefd258>] 0x4cefd258
=======================
INFO: lockdep is turned off.
Code: 04 00 00 00 c1 e2 08 69 92 88 88 4e c0 fa 00 00 00 f7 e2 8d 42 01 e8 cb ff ff ff c9 c3 55 89 e5 53 89 c3 0f 31 89 c1 f3 90 0f 31 <29> c8 39 d8 72 f6 5b 5d c3 55 89 e5 83 ec 08 69 c0 1c 43 00 00
I'll try without this patches
sched-fix-idle-load-balancing-in-softirqd-context.patch
sched-fix-idle-load-balancing-in-softirqd-context-fix.patch
sched-dynticks-idle-load-balancing-v3.patch
speedup-divides-by-cpu_power-in-scheduler.patch
sched-optimize-siblings-status-check-logic-in-wake_idle.patch
#
sched-dont-renice-kernel-threads.patch
sched-remove-sleepavg-from-proc.patch
sched-implement-staircase-deadline-cpu-scheduler.patch
sched-implement-staircase-deadline-cpu-scheduler-misc-fixes.patch
sched-implement-staircase-deadline-cpu-scheduler-staircase-improvements.patch
sched-remove-noninteractive-flag.patch
sched-document-sd-cpu-scheduler.patch
#
sched2-sched-domain-sysctl.patch
#
sched-add-above-background-load-function.patch
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc5-mm4/mm-oops
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc5-mm4/mm-config
Regards,
Michal
--
Michal K. K. Piotrowski
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
LTG - Linux Testers Group (EN)
(http://www.stardust.webpages.pl/linux_testers_group_en/)
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