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SubjectRandom freeze (Re: mmotm 2008-11-19-02-19 uploaded)
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Hello.

> The mm-of-the-moment snapshot 2008-11-19-02-19 has been uploaded to
Recent mmotm randomly freezes on /sbin/modprobe and read(). 2.6.28-rc2-mm1 was OK.

Config is at http://I-love.SAKURA.ne.jp/tmp/config-2.6.28-rc5-mm1

----- Quoting from http://I-love.SAKURA.ne.jp/tmp/messages4.txt (2008-11-19-02-19) -----

kjournald starting. Commit interval 5 seconds
EXT3-fs warning: checktime reached, running e2fsck is recommended
EXT3 FS on sdb1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on sdc1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
/dev/sdb1 on /usr/src/vanilla type ext3 (rw,noatime,nodiratime)
/dev/sdc1 on /usr/src/distro type ext3 (rw,noatime,nodiratime)
Cleaning /tmp /var/run /var/lock.
Detecting hardware: open_sock(): No such device
agpgart pcnet32 piix BusLogic
Skipping unavailable/built-in agpgart module.
pcnet32 disabled in configuration.
Skipping unavailable/built-in piix module.
Skipping already loaded module BusLogic.
Running 0dns-down to make sure resolv.conf is ok...done.
Setting up networking...done.
Starting hotplug subsystem:
pci
ignoring pci display device 00:0f.0
BusLogic: already loaded
SysRq : Changing Loglevel
Loglevel set to 8
CPA self-test:
4k 227326 large 0 gb 0 x 227326[c0000000-f77fd000] miss 0
4k 227326 large 0 gb 0 x 227326[c0000000-f77fd000] miss 0
4k 227326 large 0 gb 0 x 227326[c0000000-f77fd000] miss 0
ok.
SysRq : Show Blocked State
task PC stack pid father
kjournald D f6a43a40 5944 807 2
f6359e3c 00000046 c0207ff6 f6a43a40 c21a4740 f6a229c0 00201488 00000000
f6688a00 00000000 f6358000 c21a4740 f65e4108 f65e3ea0 f6a43a40 000047bc
c1f0525c f6359e34 c023e48b c21a4740 c21a4740 00000000 c1f0525c f6359e48
Call Trace:
[<c0207ff6>] ? read_tsc+0x9/0x26
[<c023e48b>] ? ktime_get_ts+0x43/0x47
[<c05b5a3e>] io_schedule+0x47/0x79
[<c02ba64e>] sync_buffer+0x37/0x3b
[<c05b5c0d>] __wait_on_bit+0x30/0x56
[<c02ba617>] ? sync_buffer+0x0/0x3b
[<c05b5c9a>] out_of_line_wait_on_bit+0x67/0x6f
[<c02ba617>] ? sync_buffer+0x0/0x3b
[<c023c3f3>] ? wake_bit_function+0x0/0x42
[<c023c3f3>] ? wake_bit_function+0x0/0x42
[<c02ba6a9>] __wait_on_buffer+0x19/0x1c
[<c02f6a14>] journal_commit_transaction+0x6e4/0xbf4
[<c0247f75>] ? lock_release_holdtime+0x91/0x97
[<c024ab0b>] ? trace_hardirqs_on_caller+0x120/0x148
[<c024ab3e>] ? trace_hardirqs_on+0xb/0xd
[<c0233247>] ? try_to_del_timer_sync+0x54/0x5c
[<c02f8972>] kjournald+0xb8/0x229
[<c023c3c0>] ? autoremove_wake_function+0x0/0x33
[<c023c3c0>] ? autoremove_wake_function+0x0/0x33
[<c02252d2>] ? complete+0x36/0x3e
[<c02f88ba>] ? kjournald+0x0/0x229
[<c023bf0a>] kthread+0x37/0x59
[<c023bed3>] ? kthread+0x0/0x59
[<c0203d23>] kernel_thread_helper+0x7/0x10
modprobe D f6a43ca0 6104 1403 1401
f6765d48 00000046 c0207ff6 f6a43ca0 c2059740 c079cba0 00201488 00000000
f6652500 00000000 f6764000 c2059740 f6a3eac8 f6a3e860 f6a43ca0 00004792
c1f0e2bc f6765d40 c023e48b c2059740 c2059740 00000000 c1f0e2bc f6765d54
Call Trace:
[<c0207ff6>] ? read_tsc+0x9/0x26
[<c023e48b>] ? ktime_get_ts+0x43/0x47
[<c05b5a3e>] io_schedule+0x47/0x79
[<c0279c46>] sync_page+0x45/0x49
[<c05b5cd2>] __wait_on_bit_lock+0x30/0x57
[<c0279c01>] ? sync_page+0x0/0x49
[<c027a2f6>] __lock_page+0x62/0x6a
[<c023c3f3>] ? wake_bit_function+0x0/0x42
[<c027a4a4>] ? find_get_page+0xcf/0xd9
[<c023c3f3>] ? wake_bit_function+0x0/0x42
[<c027a4d9>] find_lock_page+0x2b/0x50
[<c027b1ab>] filemap_fault+0x86/0x29d
[<c028ab8b>] ? __do_fault+0x2df/0x325
[<c028a8fc>] __do_fault+0x50/0x325
[<c024bd04>] ? __lock_acquire+0x72a/0x77c
[<c028abfd>] do_linear_fault+0x2c/0x33
[<c028ad66>] handle_mm_fault+0xf9/0x1d9
[<c05b9586>] do_page_fault+0x1b6/0x427
[<c05b93d0>] ? do_page_fault+0x0/0x427
[<c05b7b17>] error_code+0x77/0x7c
[<c033e62a>] ? __copy_from_user_ll+0x35/0x4c
[<c033e787>] copy_from_user+0x31/0x56
[<c0253bec>] load_module+0x72/0x9d7
[<c0254577>] ? sys_init_module+0x26/0x18c
[<c03181c0>] ? security_capable+0x12/0x15
[<c0254592>] sys_init_module+0x41/0x18c
[<c0202fae>] syscall_call+0x7/0xb
Sched Debug Version: v0.07, 2.6.28-rc5-mm1 #1
now at 31572.891772 msecs
.sysctl_sched_latency : 40.000000
.sysctl_sched_min_granularity : 8.000000
.sysctl_sched_wakeup_granularity : 10.000000
.sysctl_sched_child_runs_first : 0.000001
.sysctl_sched_features : 24191

----- Quoting from http://I-love.SAKURA.ne.jp/tmp/messages5.txt (2008-11-19-02-19 + TOMOYO)-----

kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
umount: devfs: not mounted
Calling /sbin/tomoyo-init to load policy. Please wait.
SysRq : Changing Loglevel
Loglevel set to 8
SysRq : Show Blocked State
task PC stack pid father
chroot D 0000004d 5904 1 0
f704fe38 00000046 00000000 0000004d c21a4740 f6a229c0 7d2e883b 0000000c
f65ee500 00000000 f704e000 c21a4740 f7050268 f7050000 c0247f75 f70504f0
00000063 00000000 00000063 00000001 7fffffff f704fea0 f704fec0 f704fe78
Call Trace:
[<c0247f75>] ? lock_release_holdtime+0x91/0x97
[<c05ba9dc>] schedule_timeout+0x16/0x92
[<c024a9ae>] ? mark_held_locks+0x4d/0x6c
[<c05bc739>] ? _spin_unlock_irq+0x22/0x26
[<c024ab0b>] ? trace_hardirqs_on_caller+0x120/0x148
[<c024ab3e>] ? trace_hardirqs_on+0xb/0xd
[<c05ba699>] wait_for_common+0xcd/0x121
[<c022518f>] ? default_wake_function+0x0/0xd
[<c022518f>] ? default_wake_function+0x0/0xd
[<c0239034>] ? queue_work_on+0x35/0x41
[<c05ba6ff>] wait_for_completion+0x12/0x14
[<c0238ed5>] call_usermodehelper_exec+0x76/0x8f
[<c05ba5fc>] ? wait_for_common+0x30/0x121
[<c031c1cf>] tomoyo_load_policy+0x9a/0x100
[<c031cca0>] tomoyo_bprm_set_creds+0x23/0x35
[<c03184a7>] security_bprm_set_creds+0xc/0xe
[<c02a4d47>] prepare_binprm+0xac/0xe1
[<c02a5180>] do_execve+0x10f/0x232
[<c0201f61>] sys_execve+0x29/0x4c
[<c0202fae>] syscall_call+0x7/0xb
cat D f6b463b8 6124 823 815
f6741da8 00000046 c0207ff6 f6b463b8 c2059740 c07a3ba0 00201487 00000000
f6726500 00000000 f6740000 c2059740 f62a1748 f62a14e0 f6b463b8 000021f2
c1f0edbc f6741da0 c023e48b c2059740 c2059740 00000000 c1f0edbc f6741db4
Call Trace:
[<c0207ff6>] ? read_tsc+0x9/0x26
[<c023e48b>] ? ktime_get_ts+0x43/0x47
[<c05ba8fe>] io_schedule+0x47/0x79
[<c0279c46>] sync_page+0x45/0x49
[<c0279c52>] sync_page_killable+0x8/0x30
[<c05bab92>] __wait_on_bit_lock+0x30/0x57
[<c0279c4a>] ? sync_page_killable+0x0/0x30
[<c027a363>] __lock_page_killable+0x65/0x6d
[<c023c3f3>] ? wake_bit_function+0x0/0x42
[<c027a4a4>] ? find_get_page+0xcf/0xd9
[<c023c3f3>] ? wake_bit_function+0x0/0x42
[<c027ab96>] do_generic_file_read+0x244/0x3c6
[<c027afa3>] generic_file_aio_read+0x132/0x15a
[<c027ad18>] ? file_read_actor+0x0/0xe8
[<c02a04d2>] do_sync_read+0xb7/0xf5
[<c020777a>] ? native_sched_clock+0x42/0x92
[<c023c3c0>] ? autoremove_wake_function+0x0/0x33
[<c024c6d7>] ? __lock_release+0x4b/0x51
[<c02d4b47>] ? dnotify_parent+0x64/0x6d
[<c0318b51>] ? security_file_permission+0xf/0x11
[<c02a03cc>] ? rw_verify_area+0x96/0xb2
[<c02a059c>] vfs_read+0x8c/0x12e
[<c02a089f>] sys_read+0x3b/0x60
[<c0202fae>] syscall_call+0x7/0xb
Sched Debug Version: v0.07, 2.6.28-rc5-mm1 #2
now at 25613.058324 msecs
.sysctl_sched_latency : 40.000000
.sysctl_sched_min_granularity : 8.000000
.sysctl_sched_wakeup_granularity : 10.000000
.sysctl_sched_child_runs_first : 0.000001
.sysctl_sched_features : 24191


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