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Message-ID: <82e4877d0712080736v12c1e31at9149655ae000fe50@mail.gmail.com>
Date: Sat, 8 Dec 2007 10:36:00 -0500
From: "Parag Warudkar" <parag.warudkar@gmail.com>
To: "Thomas Gleixner" <tglx@linutronix.de>
Subject: Re: soft lockup - CPU#1 stuck for 15s! [swapper:0]
Cc: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
       LKML <linux-kernel@vger.kernel.org>,
       "Andrew Morton" <akpm@linux-foundation.org>,
       "Linus Torvalds" <torvalds@linux-foundation.org>,
       "Ingo Molnar" <mingo@elte.hu>
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On Dec 8, 2007 10:10 AM, Parag Warudkar <parag.warudkar@gmail.com> wrote:
> On Dec 7, 2007 9:56 PM, Thomas Gleixner <tglx@linutronix.de> wrote:
> >
> > This looks pretty much like the problem I was solving yesterday.
> >
> > Parag, can you please try Linus latest and please check whether there
> > is a stack trace with clockevents_program_event on the top in your
> > dmesg.
> >
>
> Just booted with latest git and there is no  clockevents_program_event
> in dmesg anywhere.
>
> Any way I have enabled CPU_IDLE again and the machine's got to do lot
> of compiles today.
> I'll see if the problem reproduces.
>

Whoa whoa whoa - this happens left and right with latest Linus +CPU_IDLE.

As soon as I start compiling, dmesg starts filling up with -

Pid: 0, comm: swapper Not tainted (2.6.24-rc4 #5)
EIP: 0060:[<c0533d06>] EFLAGS: 00000202 CPU: 1
EIP is at acpi_idle_enter_simple+0x166/0x1d0
EAX: f7829f88 EBX: 00000da1 ECX: 00000266 EDX: 00000000
ESI: 00000000 EDI: 00042070 EBP: 000412cf ESP: f7829f88
 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
CR0: 8005003b CR2: 080ce178 CR3: 00715000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
 [<c058cf03>] cpuidle_idle_call+0x53/0x78
 [<c058ceb0>] cpuidle_idle_call+0x0/0x78
 [<c0402575>] cpu_idle+0x97/0xb8
 =======================
BUG: soft lockup - CPU#1 stuck for 11s! [swapper:0]

Pid: 0, comm: swapper Not tainted (2.6.24-rc4 #5)
EIP: 0060:[<c0603eaa>] EFLAGS: 00000202 CPU: 1
EIP is at _spin_lock_irqsave+0x16/0x27
EAX: c06b4110 EBX: 00000001 ECX: f7873808 EDX: 00000293
ESI: 00000005 EDI: f7873808 EBP: 00000000 ESP: f7829f10
 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
CR0: 8005003b CR2: 080ff4b0 CR3: 37cf5000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
 [<c0438293>] tick_broadcast_oneshot_control+0x10/0xda
 [<c0437ce2>] tick_notify+0x1d4/0x2eb
 [<c04281bc>] get_next_timer_interrupt+0x143/0x1b4
 [<c06058a1>] notifier_call_chain+0x2a/0x47
 [<c04345c0>] raw_notifier_call_chain+0x17/0x1a
 [<c043781e>] clockevents_notify+0x19/0x4f
 [<c0533d23>] acpi_idle_enter_simple+0x183/0x1d0
 [<c058cf03>] cpuidle_idle_call+0x53/0x78
 [<c058ceb0>] cpuidle_idle_call+0x0/0x78
 [<c0402575>] cpu_idle+0x97/0xb8
 =======================
BUG: soft lockup - CPU#1 stuck for 11s! [vim:3736]

Pid: 3736, comm: vim Not tainted (2.6.24-rc4 #5)
EIP: 0060:[<c060540b>] EFLAGS: 00000206 CPU: 1
EIP is at do_page_fault+0x117/0x583
EAX: f6ec1380 EBX: 005d0ff4 ECX: 0000007b EDX: 00000003
ESI: f6dd1fb8 EDI: 004c2000 EBP: f149eae0 ESP: f6dd1f70
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
CR0: 8005003b CR2: 004c2000 CR3: 3736a000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
 [<c046d80d>] vfs_read+0x105/0x115
 [<c06052f4>] do_page_fault+0x0/0x583
 [<c06040aa>] error_code+0x72/0x78
 [<c0600000>] netlbl_domhsh_walk+0x94/0xba
 =======================
BUG: soft lockup - CPU#1 stuck for 11s! [swapper:0]

Pid: 0, comm: swapper Not tainted (2.6.24-rc4 #5)
EIP: 0060:[<c0533d06>] EFLAGS: 00000202 CPU: 1
EIP is at acpi_idle_enter_simple+0x166/0x1d0
EAX: f7829f88 EBX: 0000000a ECX: 00000266 EDX: 00000000
ESI: 00000000 EDI: 008e8c88 EBP: 008e8c7e ESP: f7829f88
 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
CR0: 8005003b CR2: 005da044 CR3: 37cf5000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
 [<c058cf03>] cpuidle_idle_call+0x53/0x78
 [<c058ceb0>] cpuidle_idle_call+0x0/0x78
 [<c0402575>] cpu_idle+0x97/0xb8
 =======================
BUG: soft lockup - CPU#1 stuck for 22s! [swapper:0]

Pid: 0, comm: swapper Not tainted (2.6.24-rc4 #5)
EIP: 0060:[<c0533d06>] EFLAGS: 00000206 CPU: 1
EIP is at acpi_idle_enter_simple+0x166/0x1d0
EAX: f7829f88 EBX: 00000d9b ECX: 00000266 EDX: 00000000
ESI: 00000000 EDI: 007d1802 EBP: 007d0a67 ESP: f7829f88
 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
CR0: 8005003b CR2: 005da044 CR3: 37cf5000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
 [<c058cf03>] cpuidle_idle_call+0x53/0x78
 [<c058ceb0>] cpuidle_idle_call+0x0/0x78
 [<c0402575>] cpu_idle+0x97/0xb8
 =======================
BUG: soft lockup - CPU#1 stuck for 18s! [swapper:0]

Pid: 0, comm: swapper Not tainted (2.6.24-rc4 #5)
EIP: 0060:[<c0533d06>] EFLAGS: 00000206 CPU: 1
EIP is at acpi_idle_enter_simple+0x166/0x1d0
EAX: f7829f88 EBX: 00000da2 ECX: 00000266 EDX: 00000000
ESI: 00000000 EDI: 00b651f2 EBP: 00b64450 ESP: f7829f88
 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
CR0: 8005003b CR2: 005da044 CR3: 37cf5000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
 [<c058cf03>] cpuidle_idle_call+0x53/0x78
 [<c058ceb0>] cpuidle_idle_call+0x0/0x78
 [<c0402575>] cpu_idle+0x97/0xb8
 =======================
BUG: soft lockup - CPU#1 stuck for 14s! [swapper:0]

Pid: 0, comm: swapper Not tainted (2.6.24-rc4 #5)
EIP: 0060:[<c0603eaa>] EFLAGS: 00000202 CPU: 1
EIP is at _spin_lock_irqsave+0x16/0x27
EAX: c06b4110 EBX: 00000001 ECX: f7873808 EDX: 00000293
ESI: 00000005 EDI: f7873808 EBP: 00000000 ESP: f7829f10
 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
CR0: 8005003b CR2: 080ff4b0 CR3: 37cf5000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
 [<c0438293>] tick_broadcast_oneshot_control+0x10/0xda
 [<c0437ce2>] tick_notify+0x1d4/0x2eb
 [<c04281bc>] get_next_timer_interrupt+0x143/0x1b4
 [<c06058a1>] notifier_call_chain+0x2a/0x47
 [<c04345c0>] raw_notifier_call_chain+0x17/0x1a
 [<c043781e>] clockevents_notify+0x19/0x4f
 [<c0533d23>] acpi_idle_enter_simple+0x183/0x1d0
 [<c058cf03>] cpuidle_idle_call+0x53/0x78
 [<c058ceb0>] cpuidle_idle_call+0x0/0x78
 [<c0402575>] cpu_idle+0x97/0xb8
 =======================
BUG: soft lockup - CPU#1 stuck for 11s! [swapper:0]

Pid: 0, comm: swapper Not tainted (2.6.24-rc4 #5)
EIP: 0060:[<c0533d06>] EFLAGS: 00000206 CPU: 1
EIP is at acpi_idle_enter_simple+0x166/0x1d0
EAX: f7829f88 EBX: 00000020 ECX: 00000266 EDX: 00000000
ESI: 00000000 EDI: 00261276 EBP: 00261256 ESP: f7829f88
 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
CR0: 8005003b CR2: b7f5e000 CR3: 37314000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
 [<c058cf03>] cpuidle_idle_call+0x53/0x78
 [<c058ceb0>] cpuidle_idle_call+0x0/0x78
 [<c0402575>] cpu_idle+0x97/0xb8
 =======================
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