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Date: Fri, 06 Jul 2007 16:14:14 +0300
From: Ranko Zivojnovic <ranko@...dernet.net>
To: Jarek Poplawski <jarkao2@...pl>
Cc: akpm@...ux-foundation.org, kaber@...sh.net, netdev@...r.kernel.org
Subject: Re: + gen_estimator-fix-locking-and-timer-related-bugs.patch added
to -mm tree
On Fri, 2007-07-06 at 08:45 +0200, Jarek Poplawski wrote:
> On Fri, Jul 06, 2007 at 09:08:43AM +0300, Ranko Zivojnovic wrote:
> > On Thu, 2007-07-05 at 18:59 +0300, Ranko Zivojnovic wrote:
> > > On Thu, 2007-07-05 at 17:34 +0300, Ranko Zivojnovic wrote:
> > > > Anyhow - I am currently running 2.6.22-rc6-mm1 + sch_htb patch and
> > > > running a test script that always managed to reproduce the problem
> > > > within half hour - so far it looks good, but I will leave it hammering
> > > > until tomorrow and will let you know.
> > > >
> > >
> > > Ahm...it managed to get stuck:
> > >
> > > Relevant piece of the process table ('tc' stays stuck):
> > > 9608 pts/0 S+ 0:00 /bin/bash ./tc-crash.sh
> > > 9609 pts/0 D+ 0:00 tc qdisc del dev lo root
> > >
> >
> > Something really weird happened here...
> >
> > I've left it the way it was (stuck) over night and this morning the
> > process was terminated.
> >
> > It looks like some timer was out of whack.
> >
> > I'm not sure if it is possibly relevant - but the test I performed was
> > done in VMWare.
>
> Yes, this could be relevant, so it's good to know.
>
> >
> > In order to get that parameter out of the way - I will make the same
> > test on a real machine.
>
> Fine! But, unles you have something to hide, try to reply
> on these messages which went through netdev, or cc netdev
> at least, because maybe more people would be interested
> or even could help to solve this faster.
>
Nope - nothing to hide :).
Managed to get stuck on a normal machine as well (2.6.22-rc6-mm1 +
sch_htb patch) ... here's the log:
---CUT---
-- 0:loop-telnet.sh -- time-stamp -- Jul/06/07 14:46:17 --
u32 classifier
Performance counters on
OLD policer on
input device check on
-- 0:loop-telnet.sh -- time-stamp -- Jul/06/07 14:48:13 --
-- 0:loop-telnet.sh -- time-stamp -- Jul/06/07 15:38:26 --
BUG: spinlock lockup on CPU#0, swapper/0, c03eff80
[<c01ed1fe>] _raw_spin_lock+0x108/0x13c
[<c02a8468>] __qdisc_run+0x97/0x1b0
[<c02a96f3>] qdisc_watchdog+0x19/0x58
[<c02fe5e7>] __lock_text_start+0x37/0x43
[<c02a9730>] qdisc_watchdog+0x56/0x58
[<c02a96da>] qdisc_watchdog+0x0/0x58
[<c0135d84>] run_hrtimer_softirq+0x58/0xb5
[<c012626a>] __do_softirq+0x7e/0xf3
[<c0126335>] do_softirq+0x56/0x58
[<c0112574>] smp_apic_timer_interrupt+0x5a/0x85
[<c0103eb1>] apic_timer_interrupt+0x29/0x38
[<c0103ebb>] apic_timer_interrupt+0x33/0x38
[<c010172f>] mwait_idle_with_hints+0x3b/0x3f
[<c0101846>] cpu_idle+0x5f/0x74
[<c0417d2a>] start_kernel+0x318/0x3ae
[<c04174bf>] unknown_bootoption+0x0/0x258
=======================
BUG: spinlock lockup on CPU#1, swapper/0, c03eff80
[<c01ed1fe>] _raw_spin_lock+0x108/0x13c
[<c0298b9b>] est_timer+0x53/0x148
[<c01294b3>] run_timer_softirq+0x30/0x184
[<c01295a4>] run_timer_softirq+0x121/0x184
[<c0126252>] __do_softirq+0x66/0xf3
[<c0298b48>] est_timer+0x0/0x148
[<c012626a>] __do_softirq+0x7e/0xf3
[<c0126335>] do_softirq+0x56/0x58
[<c0112574>] smp_apic_timer_interrupt+0x5a/0x85
[<c0103eb1>] apic_timer_interrupt+0x29/0x38
[<c0103ebb>] apic_timer_interrupt+0x33/0x38
[<c010172f>] mwait_idle_with_hints+0x3b/0x3f
[<c0101846>] cpu_idle+0x5f/0x74
=======================
telnet> send break
SysRq : HELP : loglevel0-8 reBoot show-all-locks(D) tErm Full kIll saK showMem Nice powerOff showPc show-all-timers(Q) unRaw Sync showTasks Unmount shoW-blocked-tasks
telnet> send break
SysRq : Show Regs
Pid: 0, comm: swapper
EIP: 0060:[<c01ed199>] CPU: 1
EIP is at _raw_spin_lock+0xa3/0x13c
EFLAGS: 00000246 Not tainted (2.6.22-rc6-mm1.SNET.Thors.htbpatch.2.lockdebug #1)
EAX: 00000000 EBX: c03eff80 ECX: e4f7bf60 EDX: 98b928f8
ESI: 260e7970 EDI: 00000000 EBP: beb75188 DS: 007b ES: 007b FS: 00d8
CR0: 8005003b CR2: 080f7578 CR3: 03651000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
[<c0298b9b>] est_timer+0x53/0x148
[<c01294b3>] run_timer_softirq+0x30/0x184
[<c01295a4>] run_timer_softirq+0x121/0x184
[<c0126252>] __do_softirq+0x66/0xf3
[<c0298b48>] est_timer+0x0/0x148
[<c012626a>] __do_softirq+0x7e/0xf3
[<c0126335>] do_softirq+0x56/0x58
[<c0112574>] smp_apic_timer_interrupt+0x5a/0x85
[<c0103eb1>] apic_timer_interrupt+0x29/0x38
[<c0103ebb>] apic_timer_interrupt+0x33/0x38
[<c010172f>] mwait_idle_with_hints+0x3b/0x3f
[<c0101846>] cpu_idle+0x5f/0x74
=======================
telnet> send break
SysRq : Show Blocked State
free sibling
task PC stack pid father child younger older
kjournald D 00000343 0 518 2 (L-TLB)
c2361e8c 00000092 090e4f4b 00000343 c2361e74 00000000 c2baf920 c2360000
00000002 c2baf920 c21343f0 c21345a8 c1d24080 00000002 c040ed80 c2361ec4
c4289280 00000000 00000000 003252cc c02feb97 c2361ecc ffffffff 00000000
Call Trace:
[<c02feb97>] _spin_unlock_irqrestore+0x34/0x39
[<c02fc563>] io_schedule+0x1d/0x27
[<c018b02c>] sync_buffer+0x30/0x35
[<c02fcb5e>] __wait_on_bit+0x42/0x5e
[<c018affc>] sync_buffer+0x0/0x35
[<c018affc>] sync_buffer+0x0/0x35
[<c02fcbdd>] out_of_line_wait_on_bit+0x63/0x76
[<c0132bf2>] wake_bit_function+0x0/0x3c
[<c018af91>] __wait_on_buffer+0x24/0x29
[<c018bdb2>] sync_dirty_buffer+0x9c/0xe6
[<f88fcefe>] journal_get_descriptor_buffer+0x88/0x9a [jbd]
[<f88f922b>] journal_commit_transaction+0xf2a/0x111f [jbd]
[<c02fea7a>] _spin_unlock_irq+0x20/0x23
[<f88fc8bf>] kjournald+0xac/0x1f4 [jbd]
[<c0132bbb>] autoremove_wake_function+0x0/0x37
[<f88fc813>] kjournald+0x0/0x1f4 [jbd]
[<c0132976>] kthread+0x34/0x56
[<c0132942>] kthread+0x0/0x56
[<c0104053>] kernel_thread_helper+0x7/0x14
=======================
syslogd D 00000341 0 2173 1 (NOTLB)
c4315e84 00000082 b9c1b1c3 00000341 c4315e6c 00000000 00000000 c4314000
00000002 00000002 c2ea25f0 c2ea27a8 c1d24080 00000002 c040ed80 c2ea25f0
c3652b80 c2aab4c8 c2aab414 00323cc0 00000002 00000046 ffffffff 00000000
Call Trace:
[<f88fbbfb>] log_wait_commit+0xaf/0x116 [jbd]
[<c0132bbb>] autoremove_wake_function+0x0/0x37
[<f88f66b1>] journal_stop+0x158/0x1fa [jbd]
[<c0186711>] __writeback_single_inode+0x26f/0x331
[<c01867e3>] sync_inode+0x10/0x2a
[<c02fe7cf>] _spin_lock+0x29/0x34
[<c01867ec>] sync_inode+0x19/0x2a
[<f88b3533>] ext3_sync_file+0xbf/0xcc [ext3]
[<c02fd2f1>] __mutex_lock_slowpath+0x14b/0x293
[<c018948b>] do_fsync+0x57/0x90
[<c01894e1>] __do_fsync+0x1d/0x2b
[<c0103366>] sysenter_past_esp+0x5f/0x99
=======================
crond D 0000034B 0 10251 2740 (NOTLB)
c5b6be18 00000086 44c73986 0000034b c5b6be00 00000000 c43048f0 c5b6a000
00000002 c04ea564 c43048f0 c4304aa8 c1d24080 00000002 c040ed80 00000000
c393e280 c02fea7a c5b6be2c 0032dd68 c013d19e c02fc418 ffffffff 00000000
Call Trace:
[<c02fea7a>] _spin_unlock_irq+0x20/0x23
[<c013d19e>] trace_hardirqs_on+0xab/0x147
[<c02fc418>] wait_for_completion+0x24/0xb7
[<c02fc492>] wait_for_completion+0x9e/0xb7
[<c011bd50>] default_wake_function+0x0/0xc
[<c012f537>] call_usermodehelper_exec+0xdb/0xe0
[<c0167d3b>] cache_alloc_refill+0x163/0x557
[<c012f69b>] request_module+0x9f/0xe2
[<c02feb97>] _spin_unlock_irqrestore+0x34/0x39
[<c013d19e>] trace_hardirqs_on+0xab/0x147
[<c0118f2d>] __wake_up+0x32/0x43
[<c02adfa2>] netlink_create+0xa6/0x1a2
[<c029011b>] __sock_create+0xae/0x1db
[<c029027d>] sock_create+0x18/0x1d
[<c0290412>] sys_socket+0x1c/0x44
[<c0290d06>] sys_socketcall+0x68/0x271
[<c013d19e>] trace_hardirqs_on+0xab/0x147
[<c0103438>] restore_nocheck+0x12/0x15
[<c0103366>] sysenter_past_esp+0x5f/0x99
=======================
Sched Debug Version: v0.03, cfs-v18, 2.6.22-rc6-mm1.SNET.Thors.htbpatch.2.lockdebug #1
now at 3640122056027 nsecs
cpu#0, 3200.442 MHz
.nr_running : 2
.load : 4149
.ls.delta_fair : 0
.ls.delta_exec : 0
.nr_switches : 904853
.nr_load_updates : 3640019
.nr_uninterruptible : 425
.jiffies : 3340159
.next_balance : 2936193
.curr->pid : 0
.clock : 3628742932463
.prev_clock_raw : 3628948350088
.clock_warps : 0
.clock_overflows : 57
.clock_unstable_events : 1
.clock_max_delta : 1999557
.cfs.fair_clock : 557156111815
.cfs.exec_clock : 213278676734
.cfs.wait_runtime : -93884907451
.cfs.wait_runtime_overruns : 1235
.cfs.wait_runtime_underruns : 2874
.cpu_load[0] : 0
.cpu_load[1] : 0
.cpu_load[2] : 0
.cpu_load[3] : 0
.cpu_load[4] : 0
.wait_runtime_rq_sum : 47286887
runnable tasks:
task PID tree-key delta waiting switches prio sum-exec sum-wait sum-sleep wait-overrun wait-underrun
------------------------------------------------------------------------------------------------------------------------------------------------------------------
khelper 19 557082869628 -73242187 24000000 955 115 12293227 53703642836 3621787091747 1 0
eping 3114 557163819749 7707934 23286887 333993 120 83353964767 253906993 2733416723635 41 217
WARNING: at kernel/lockdep.c:2031 trace_hardirqs_on()
[<c02fea9d>] _read_unlock_irq+0x20/0x23
[<c0119814>] sched_debug_show+0x8b2/0xe04
[<c011e2ab>] show_state_filter+0x161/0x184
[<c02354c3>] __handle_sysrq+0x7a/0x115
[<c024059d>] receive_chars+0x23b/0x2a4
[<c024174d>] serial8250_interrupt+0x114/0x132
[<c0148733>] handle_IRQ_event+0x1e/0x48
[<c014982f>] handle_edge_irq+0x9b/0x112
[<c0105afc>] do_IRQ+0x45/0x99
[<c0103dd0>] common_interrupt+0x24/0x34
[<c0103dda>] common_interrupt+0x2e/0x34
[<c010172f>] mwait_idle_with_hints+0x3b/0x3f
[<c0101846>] cpu_idle+0x5f/0x74
=======================
cpu#1, 3200.442 MHz
.nr_running : 1
.load : 1024
.ls.delta_fair : 0
.ls.delta_exec : 0
.nr_switches : 1825911
.nr_load_updates : 3638353
.nr_uninterruptible : 4294967022
.jiffies : 3340380
.next_balance : 2937417
.curr->pid : 0
.clock : 3627052732372
.prev_clock_raw : 3629168676206
.clock_warps : 0
.clock_overflows : 45
.clock_unstable_events : 0
.clock_max_delta : 1968238
.cfs.fair_clock : 1032651577814
.cfs.exec_clock : 242507384061
.cfs.wait_runtime : -91108953414
.cfs.wait_runtime_overruns : 2143
.cfs.wait_runtime_underruns : 1953
.cpu_load[0] : 0
.cpu_load[1] : 0
.cpu_load[2] : 0
.cpu_load[3] : 0
.cpu_load[4] : 0
.wait_runtime_rq_sum : 23979985
runnable tasks:
task PID tree-key delta waiting switches prio sum-exec sum-wait sum-sleep wait-overrun wait-underrun
------------------------------------------------------------------------------------------------------------------------------------------------------------------
hald-addon-stor 2781 1032650759709 -818105 23979985 12308 120 491952575 2635261433 3092710060269 30 0
cpu#2, 3200.442 MHz
.nr_running : 0
.load : 0
.ls.delta_fair : 0
.ls.delta_exec : 0
.nr_switches : 1509999
.nr_load_updates : 3639454
.nr_uninterruptible : 789
.jiffies : 3340529
.next_balance : 3339823
.curr->pid : 0
.clock : 3628130245442
.prev_clock_raw : 3629317315215
.clock_warps : 0
.clock_overflows : 73
.clock_unstable_events : 0
.clock_max_delta : 1965436
.cfs.fair_clock : 839764839660
.cfs.exec_clock : 208639226606
.cfs.wait_runtime : 17382220347
.cfs.wait_runtime_overruns : 2282
.cfs.wait_runtime_underruns : 11415
.cpu_load[0] : 0
.cpu_load[1] : 0
.cpu_load[2] : 0
.cpu_load[3] : 0
.cpu_load[4] : 0
.wait_runtime_rq_sum : 0
runnable tasks:
task PID tree-key delta waiting switches prio sum-exec sum-wait sum-sleep wait-overrun wait-underrun
------------------------------------------------------------------------------------------------------------------------------------------------------------------
cpu#3, 3200.442 MHz
.nr_running : 1
.load : 1024
.ls.delta_fair : 0
.ls.delta_exec : 0
.nr_switches : 3120535
.nr_load_updates : 3640332
.nr_uninterruptible : 4294966359
.jiffies : 3340663
.next_balance : 2936318
.curr->pid : 10250
.clock : 3629093644120
.prev_clock_raw : 3629450829376
.clock_warps : 0
.clock_overflows : 15
.clock_unstable_events : 0
.clock_max_delta : 1940676
.cfs.fair_clock : 2242476711934
.cfs.exec_clock : 782992850413
.cfs.wait_runtime : 621759666860
.cfs.wait_runtime_overruns : 4730
.cfs.wait_runtime_underruns : 46039
.cpu_load[0] : 1019
.cpu_load[1] : 1020
.cpu_load[2] : 1018
.cpu_load[3] : 1017
.cpu_load[4] : 1009
.wait_runtime_rq_sum : -272987
runnable tasks:
task PID tree-key delta waiting switches prio sum-exec sum-wait sum-sleep wait-overrun wait-underrun
------------------------------------------------------------------------------------------------------------------------------------------------------------------
R tc 10250 2242552751078 273022 -273022 1 120 403322303899 -273022 653 0 0
telnet> send break
SysRq : Show Pending Timers
Timer List Version: v0.3
HRTIMER_MAX_CLOCK_BASES: 2
now at 3730198060133 nsecs
cpu: 0
clock 0:
.index: 0
.resolution: 1 nsecs
.get_time: ktime_get_real
.offset: 1183721968505121290 nsecs
active timers:
clock 1:
.index: 1
.resolution: 1 nsecs
.get_time: ktime_get
.offset: 0 nsecs
active timers:
#0: <3>BUG: sleeping function called from invalid context at kernel/mutex.c:86
in_atomic():1, irqs_disabled():1
INFO: lockdep is turned off.
irq event stamp: 38482572
hardirqs last enabled at (38482572): [<c0103438>] restore_nocheck+0x12/0x15
hardirqs last disabled at (38482571): [<c0103eb1>] apic_timer_interrupt+0x29/0x38
softirqs last enabled at (37677028): [<c0126335>] do_softirq+0x56/0x58
softirqs last disabled at (37677033): [<c0126335>] do_softirq+0x56/0x58
[<c02fd44b>] mutex_lock+0x12/0x1a
[<c0145e69>] lookup_module_symbol_name+0x14/0xbb
[<c0138810>] print_name_offset+0x1a/0x8e
[<c0121c3f>] release_console_sem+0x1d9/0x1f5
[<c01391a1>] timer_list_show+0x660/0xa66
[<c013a861>] tick_sched_timer+0x0/0x186
[<c02354c3>] __handle_sysrq+0x7a/0x115
[<c024059d>] receive_chars+0x23b/0x2a4
[<c024174d>] serial8250_interrupt+0x114/0x132
[<c0148733>] handle_IRQ_event+0x1e/0x48
[<c014982f>] handle_edge_irq+0x9b/0x112
[<c0105afc>] do_IRQ+0x45/0x99
[<c0103dd0>] common_interrupt+0x24/0x34
[<c0103dda>] common_interrupt+0x2e/0x34
[<c01e007b>] vsnprintf+0x29a/0x5fe
[<c01ed199>] _raw_spin_lock+0xa3/0x13c
[<c0298b9b>] est_timer+0x53/0x148
[<c01294b3>] run_timer_softirq+0x30/0x184
[<c01295a4>] run_timer_softirq+0x121/0x184
[<c0126252>] __do_softirq+0x66/0xf3
[<c0298b48>] est_timer+0x0/0x148
[<c012626a>] __do_softirq+0x7e/0xf3
[<c0126335>] do_softirq+0x56/0x58
[<c0112574>] smp_apic_timer_interrupt+0x5a/0x85
[<c0103eb1>] apic_timer_interrupt+0x29/0x38
[<c0103ebb>] apic_timer_interrupt+0x33/0x38
[<c010172f>] mwait_idle_with_hints+0x3b/0x3f
[<c0101846>] cpu_idle+0x5f/0x74
=======================
<c2047d6c>, tick_sched_timer, S:01
# expires at 3730231000000 nsecs [in 32939867 nsecs]
#1: <c2047d6c>, it_real_fn, S:01
# expires at 3734130154519 nsecs [in 3932094386 nsecs]
#2: <c2047d6c>, it_real_fn, S:01
# expires at 3734197190457 nsecs [in 3999130324 nsecs]
#3: <c2047d6c>, it_real_fn, S:01
# expires at 31835132462428 nsecs [in 28104934402295 nsecs]
.expires_next : 3730415000000 nsecs
.hres_active : 1
.nr_events : 3736552
.nohz_mode : 0
.idle_tick : 0 nsecs
.tick_stopped : 0
.idle_jiffies : 0
.idle_calls : 0
.idle_sleeps : 0
.idle_entrytime : 0 nsecs
.idle_sleeptime : 0 nsecs
.last_jiffies : 0
.next_jiffies : 0
.idle_expires : 0 nsecs
jiffies: 3430448
cpu: 1
clock 0:
.index: 0
.resolution: 1 nsecs
.get_time: ktime_get_real
.offset: 1183721968505121290 nsecs
active timers:
clock 1:
.index: 1
.resolution: 1 nsecs
.get_time: ktime_get
.offset: 0 nsecs
active timers:
#0: <c2047d6c>, tick_sched_timer, S:01
# expires at 3730196015625 nsecs [in 18446744073707507108 nsecs]
.expires_next : 3730196015625 nsecs
.hres_active : 1
.nr_events : 3733988
.nohz_mode : 0
.idle_tick : 0 nsecs
.tick_stopped : 0
.idle_jiffies : 0
.idle_calls : 0
.idle_sleeps : 0
.idle_entrytime : 0 nsecs
.idle_sleeptime : 0 nsecs
.last_jiffies : 0
.next_jiffies : 0
.idle_expires : 0 nsecs
jiffies: 3430518
cpu: 2
clock 0:
.index: 0
.resolution: 1 nsecs
.get_time: ktime_get_real
.offset: 1183721968505121290 nsecs
active timers:
clock 1:
.index: 1
.resolution: 1 nsecs
.get_time: ktime_get
.offset: 0 nsecs
active timers:
#0: <c2047d6c>, tick_sched_timer, S:01
# expires at 3730546031250 nsecs [in 347971117 nsecs]
#1: <c2047d6c>, hrtimer_wakeup, S:01
# expires at 3730649159723 nsecs [in 451099590 nsecs]
#2: <c2047d6c>, hrtimer_wakeup, S:01
# expires at 3734223051944 nsecs [in 4024991811 nsecs]
#3: <c2047d6c>, hrtimer_wakeup, S:01
# expires at 3753480126556 nsecs [in 23282066423 nsecs]
.expires_next : 3730581031250 nsecs
.hres_active : 1
.nr_events : 3739031
.nohz_mode : 0
.idle_tick : 0 nsecs
.tick_stopped : 0
.idle_jiffies : 0
.idle_calls : 0
.idle_sleeps : 0
.idle_entrytime : 0 nsecs
.idle_sleeptime : 0 nsecs
.last_jiffies : 0
.next_jiffies : 0
.idle_expires : 0 nsecs
jiffies: 3430613
cpu: 3
clock 0:
.index: 0
.resolution: 1 nsecs
.get_time: ktime_get_real
.offset: 1183721968505121290 nsecs
active timers:
clock 1:
.index: 1
.resolution: 1 nsecs
.get_time: ktime_get
.offset: 0 nsecs
active timers:
#0: <c2047d6c>, tick_sched_timer, S:01
# expires at 3730641046875 nsecs [in 442986742 nsecs]
.expires_next : 3730650046875 nsecs
.hres_active : 1
.nr_events : 3736405
.nohz_mode : 0
.idle_tick : 0 nsecs
.tick_stopped : 0
.idle_jiffies : 0
.idle_calls : 0
.idle_sleeps : 0
.idle_entrytime : 0 nsecs
.idle_sleeptime : 0 nsecs
.last_jiffies : 0
.next_jiffies : 0
.idle_expires : 0 nsecs
jiffies: 3430685
Tick Device: mode: 1
Clock Event Device: pit
max_delta_ns: 27461866
min_delta_ns: 12571
mult: 5124677
shift: 32
mode: 3
next_event: 9223372036854775807 nsecs
set_next_event: pit_next_event
set_mode: init_pit_timer
event_handler: tick_handle_oneshot_broadcast
tick_broadcast_mask: 00000000
tick_broadcast_oneshot_mask: 00000000
Tick Device: mode: 1
Clock Event Device: lapic
max_delta_ns: 671064938
min_delta_ns: 1199
mult: 53688981
shift: 32
mode: 3
next_event: 3730740000000 nsecs
set_next_event: lapic_next_event
set_mode: lapic_timer_setup
event_handler: hrtimer_interrupt
Tick Device: mode: 1
Clock Event Device: lapic
max_delta_ns: 671064938
min_delta_ns: 1199
mult: 53688981
shift: 32
mode: 3
next_event: 3730196015625 nsecs
set_next_event: lapic_next_event
set_mode: lapic_timer_setup
event_handler: hrtimer_interrupt
Tick Device: mode: 1
Clock Event Device: lapic
max_delta_ns: 671064938
min_delta_ns: 1199
mult: 53688981
shift: 32
mode: 3
next_event: 3730799031250 nsecs
set_next_event: lapic_next_event
set_mode: lapic_timer_setup
event_handler: hrtimer_interrupt
Tick Device: mode: 1
Clock Event Device: lapic
max_delta_ns: 671064938
min_delta_ns: 1199
mult: 53688981
shift: 32
mode: 3
next_event: 3730828046875 nsecs
set_next_event: lapic_next_event
set_mode: lapic_timer_setup
event_handler: hrtimer_interrupt
---CUT---
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