From: Sasha Levin <sasha.levin@oracle.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>, linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
Matt Mackall <mpm@selenic.com>, Cliff Wickman <cpw@sgi.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Johannes Weiner <hannes@cmpxchg.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Michal Hocko <mhocko@suse.cz>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
Pavel Emelyanov <xemul@parallels.com>,
Rik van Riel <riel@redhat.com>,
kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/11] pagewalk: update page table walker core
Date: Thu, 20 Feb 2014 23:30:23 -0500 [thread overview]
Message-ID: <5306D65F.4030705@oracle.com> (raw)
In-Reply-To: <5306942C.2070902@gmail.com>
On 02/20/2014 06:47 PM, Sasha Levin wrote:
> Hi Naoya,
>
> This patch seems to trigger a NULL ptr deref here. I didn't have a change to look into it yet
> but here's the spew:
>
> [ 281.650503] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
> [ 281.651577] IP: [<ffffffff811a31fc>] __lock_acquire+0xbc/0x580
> [ 281.652453] PGD 40b88d067 PUD 40b88c067 PMD 0
> [ 281.653143] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
> [ 281.653869] Dumping ftrace buffer:
> [ 281.654430] (ftrace buffer empty)
> [ 281.654975] Modules linked in:
> [ 281.655441] CPU: 4 PID: 12314 Comm: trinity-c361 Tainted: G W
> 3.14.0-rc3-next-20140220-sasha-00008-gab7e7ac-dirty #113
> [ 281.657622] task: ffff8804242ab000 ti: ffff880424348000 task.ti: ffff880424348000
> [ 281.658503] RIP: 0010:[<ffffffff811a31fc>] [<ffffffff811a31fc>] __lock_acquire+0xbc/0x580
> [ 281.660025] RSP: 0018:ffff880424349ab8 EFLAGS: 00010002
> [ 281.660761] RAX: 0000000000000086 RBX: 0000000000000018 RCX: 0000000000000000
> [ 281.660761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000018
> [ 281.660761] RBP: ffff880424349b28 R08: 0000000000000001 R09: 0000000000000000
> [ 281.660761] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8804242ab000
> [ 281.660761] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
> [ 281.660761] FS: 00007f36534b0700(0000) GS:ffff88052bc00000(0000) knlGS:0000000000000000
> [ 281.660761] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> [ 281.660761] CR2: 0000000000000018 CR3: 000000040b88e000 CR4: 00000000000006e0
> [ 281.660761] Stack:
> [ 281.660761] ffff880424349ae8 ffffffff81180695 ffff8804242ab038 0000000000000004
> [ 281.660761] 00000000001d8500 ffff88052bdd8500 ffff880424349b18 ffffffff81180915
> [ 281.660761] ffffffff876a68b0 ffff8804242ab000 0000000000000000 0000000000000001
> [ 281.660761] Call Trace:
> [ 281.660761] [<ffffffff81180695>] ? sched_clock_local+0x25/0x90
> [ 281.660761] [<ffffffff81180915>] ? sched_clock_cpu+0xc5/0x110
> [ 281.660761] [<ffffffff811a3842>] lock_acquire+0x182/0x1d0
> [ 281.660761] [<ffffffff812990d8>] ? walk_pte_range+0xb8/0x170
> [ 281.660761] [<ffffffff811a3daa>] ? __lock_release+0x1da/0x1f0
> [ 281.660761] [<ffffffff8438ae5b>] _raw_spin_lock+0x3b/0x70
> [ 281.660761] [<ffffffff812990d8>] ? walk_pte_range+0xb8/0x170
> [ 281.660761] [<ffffffff812990d8>] walk_pte_range+0xb8/0x170
> [ 281.660761] [<ffffffff812993a1>] walk_pmd_range+0x211/0x240
> [ 281.660761] [<ffffffff812994fb>] walk_pud_range+0x12b/0x160
> [ 281.660761] [<ffffffff81299639>] walk_pgd_range+0x109/0x140
> [ 281.660761] [<ffffffff812996a5>] __walk_page_range+0x35/0x40
> [ 281.660761] [<ffffffff81299862>] walk_page_range+0xf2/0x130
> [ 281.660761] [<ffffffff812a8ccc>] queue_pages_range+0x6c/0x90
> [ 281.660761] [<ffffffff812a8d80>] ? queue_pages_hugetlb+0x90/0x90
> [ 281.660761] [<ffffffff812a8cf0>] ? queue_pages_range+0x90/0x90
> [ 281.660761] [<ffffffff812a8f50>] ? change_prot_numa+0x30/0x30
> [ 281.660761] [<ffffffff812ac9f1>] do_mbind+0x311/0x330
> [ 281.660761] [<ffffffff811815c1>] ? vtime_account_user+0x91/0xa0
> [ 281.660761] [<ffffffff8124f1a8>] ? context_tracking_user_exit+0xa8/0x1c0
> [ 281.660761] [<ffffffff812aca99>] SYSC_mbind+0x89/0xb0
> [ 281.660761] [<ffffffff812acac9>] SyS_mbind+0x9/0x10
> [ 281.660761] [<ffffffff84395360>] tracesys+0xdd/0xe2
> [ 281.660761] Code: c2 04 47 49 85 be fa 0b 00 00 48 c7 c7 bb 85 49 85 e8 d9 7b f9 ff 31 c0 e9 9c
> 04 00 00 66 90 44 8b 1d a9 b8 ac 04 45 85 db 74 0c <48> 81 3b 40 61 3f 87 75 06 0f 1f 00 45 31 c0 83
> fe 01 77 0c 89
> [ 281.660761] RIP [<ffffffff811a31fc>] __lock_acquire+0xbc/0x580
> [ 281.660761] RSP <ffff880424349ab8>
> [ 281.660761] CR2: 0000000000000018
> [ 281.660761] ---[ end trace b6e188d329664196 ]---
Out of curiosity, I'm testing out a new piece of code to make decoding this dump a bit easier. Let
me know if it helped at all. Lines are based on -next from today:
[ 281.650503] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
[ 281.651577] IP: [<kernel/locking/lockdep.c:3069>] __lock_acquire+0xbc/0x580
[ 281.652453] PGD 40b88d067 PUD 40b88c067 PMD 0
[ 281.653143] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
[ 281.653869] Dumping ftrace buffer:
[ 281.654430] (ftrace buffer empty)
[ 281.654975] Modules linked in:
[ 281.655441] CPU: 4 PID: 12314 Comm: trinity-c361 Tainted: G W
3.14.0-rc3-next-20140220-sasha-00008-gab7e7ac-dirty #113
[ 281.657622] task: ffff8804242ab000 ti: ffff880424348000 task.ti: ffff880424348000
[ 281.658503] RIP: 0010:[<kernel/locking/lockdep.c:3069>] [<kernel/locking/lockdep.c:3069>]
__lock_acquire+0xbc/0x580
[ 281.660025] RSP: 0018:ffff880424349ab8 EFLAGS: 00010002
[ 281.660761] RAX: 0000000000000086 RBX: 0000000000000018 RCX: 0000000000000000
[ 281.660761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000018
[ 281.660761] RBP: ffff880424349b28 R08: 0000000000000001 R09: 0000000000000000
[ 281.660761] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8804242ab000
[ 281.660761] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[ 281.660761] FS: 00007f36534b0700(0000) GS:ffff88052bc00000(0000) knlGS:0000000000000000
[ 281.660761] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 281.660761] CR2: 0000000000000018 CR3: 000000040b88e000 CR4: 00000000000006e0
[ 281.660761] Stack:
[ 281.660761] ffff880424349ae8 ffffffff81180695 ffff8804242ab038 0000000000000004
[ 281.660761] 00000000001d8500 ffff88052bdd8500 ffff880424349b18 ffffffff81180915
[ 281.660761] ffffffff876a68b0 ffff8804242ab000 0000000000000000 0000000000000001
[ 281.660761] Call Trace:
[ 281.660761] [<kernel/sched/clock.c:206>] ? sched_clock_local+0x25/0x90
[ 281.660761] [<arch/x86/include/asm/preempt.h:98 kernel/sched/clock.c:312>] ?
sched_clock_cpu+0xc5/0x110
[ 281.660761] [<arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602>]
lock_acquire+0x182/0x1d0
[ 281.660761] [<include/linux/spinlock.h:303 mm/pagewalk.c:33>] ? walk_pte_range+0xb8/0x170
[ 281.660761] [<kernel/locking/lockdep.c:3506>] ? __lock_release+0x1da/0x1f0
[ 281.660761] [<include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:151>]
_raw_spin_lock+0x3b/0x70
[ 281.660761] [<include/linux/spinlock.h:303 mm/pagewalk.c:33>] ? walk_pte_range+0xb8/0x170
[ 281.660761] [<include/linux/spinlock.h:303 mm/pagewalk.c:33>] walk_pte_range+0xb8/0x170
[ 281.660761] [<mm/pagewalk.c:90>] walk_pmd_range+0x211/0x240
[ 281.660761] [<mm/pagewalk.c:128>] walk_pud_range+0x12b/0x160
[ 281.660761] [<mm/pagewalk.c:165>] walk_pgd_range+0x109/0x140
[ 281.660761] [<mm/pagewalk.c:259>] __walk_page_range+0x35/0x40
[ 281.660761] [<mm/pagewalk.c:332>] walk_page_range+0xf2/0x130
[ 281.660761] [<mm/mempolicy.c:637>] queue_pages_range+0x6c/0x90
[ 281.660761] [<mm/mempolicy.c:492>] ? queue_pages_hugetlb+0x90/0x90
[ 281.660761] [<mm/mempolicy.c:521>] ? queue_pages_range+0x90/0x90
[ 281.660761] [<mm/mempolicy.c:573>] ? change_prot_numa+0x30/0x30
[ 281.660761] [<mm/mempolicy.c:1241>] do_mbind+0x311/0x330
[ 281.660761] [<kernel/sched/cputime.c:681>] ? vtime_account_user+0x91/0xa0
[ 281.660761] [<arch/x86/include/asm/atomic.h:26 include/linux/jump_label.h:148
include/trace/events/context_tracking.h:47 kernel/context_tracking.c:178>] ?
context_tracking_user_exit+0xa8/0x1c0
[ 281.660761] [<mm/mempolicy.c:1356>] SYSC_mbind+0x89/0xb0
[ 281.660761] [<mm/mempolicy.c:1340>] SyS_mbind+0x9/0x10
[ 281.660761] [<arch/x86/kernel/entry_64.S:749>] tracesys+0xdd/0xe2
[ 281.660761] Code: c2 04 47 49 85 be fa 0b 00 00 48 c7 c7 bb 85 49 85 e8 d9 7b f9 ff 31 c0 e9 9c
04 00 00 66 90 44 8b 1d a9 b8 ac 04 45 85 db 74 0c <48> 81 3b 40 61 3f 87 75 06 0f 1f 00 45 31 c0 83
fe 01 77 0c 89
[ 281.660761] RIP [<kernel/locking/lockdep.c:3069>] __lock_acquire+0xbc/0x580
[ 281.660761] RSP <ffff880424349ab8>
[ 281.660761] CR2: 0000000000000018
[ 281.660761] ---[ end trace b6e188d329664196 ]---
Thanks,
Sasha
WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sasha.levin@oracle.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>, linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
Matt Mackall <mpm@selenic.com>, Cliff Wickman <cpw@sgi.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Johannes Weiner <hannes@cmpxchg.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Michal Hocko <mhocko@suse.cz>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
Pavel Emelyanov <xemul@parallels.com>,
Rik van Riel <riel@redhat.com>,
kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/11] pagewalk: update page table walker core
Date: Thu, 20 Feb 2014 23:30:23 -0500 [thread overview]
Message-ID: <5306D65F.4030705@oracle.com> (raw)
In-Reply-To: <5306942C.2070902@gmail.com>
On 02/20/2014 06:47 PM, Sasha Levin wrote:
> Hi Naoya,
>
> This patch seems to trigger a NULL ptr deref here. I didn't have a change to look into it yet
> but here's the spew:
>
> [ 281.650503] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
> [ 281.651577] IP: [<ffffffff811a31fc>] __lock_acquire+0xbc/0x580
> [ 281.652453] PGD 40b88d067 PUD 40b88c067 PMD 0
> [ 281.653143] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
> [ 281.653869] Dumping ftrace buffer:
> [ 281.654430] (ftrace buffer empty)
> [ 281.654975] Modules linked in:
> [ 281.655441] CPU: 4 PID: 12314 Comm: trinity-c361 Tainted: G W
> 3.14.0-rc3-next-20140220-sasha-00008-gab7e7ac-dirty #113
> [ 281.657622] task: ffff8804242ab000 ti: ffff880424348000 task.ti: ffff880424348000
> [ 281.658503] RIP: 0010:[<ffffffff811a31fc>] [<ffffffff811a31fc>] __lock_acquire+0xbc/0x580
> [ 281.660025] RSP: 0018:ffff880424349ab8 EFLAGS: 00010002
> [ 281.660761] RAX: 0000000000000086 RBX: 0000000000000018 RCX: 0000000000000000
> [ 281.660761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000018
> [ 281.660761] RBP: ffff880424349b28 R08: 0000000000000001 R09: 0000000000000000
> [ 281.660761] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8804242ab000
> [ 281.660761] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
> [ 281.660761] FS: 00007f36534b0700(0000) GS:ffff88052bc00000(0000) knlGS:0000000000000000
> [ 281.660761] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> [ 281.660761] CR2: 0000000000000018 CR3: 000000040b88e000 CR4: 00000000000006e0
> [ 281.660761] Stack:
> [ 281.660761] ffff880424349ae8 ffffffff81180695 ffff8804242ab038 0000000000000004
> [ 281.660761] 00000000001d8500 ffff88052bdd8500 ffff880424349b18 ffffffff81180915
> [ 281.660761] ffffffff876a68b0 ffff8804242ab000 0000000000000000 0000000000000001
> [ 281.660761] Call Trace:
> [ 281.660761] [<ffffffff81180695>] ? sched_clock_local+0x25/0x90
> [ 281.660761] [<ffffffff81180915>] ? sched_clock_cpu+0xc5/0x110
> [ 281.660761] [<ffffffff811a3842>] lock_acquire+0x182/0x1d0
> [ 281.660761] [<ffffffff812990d8>] ? walk_pte_range+0xb8/0x170
> [ 281.660761] [<ffffffff811a3daa>] ? __lock_release+0x1da/0x1f0
> [ 281.660761] [<ffffffff8438ae5b>] _raw_spin_lock+0x3b/0x70
> [ 281.660761] [<ffffffff812990d8>] ? walk_pte_range+0xb8/0x170
> [ 281.660761] [<ffffffff812990d8>] walk_pte_range+0xb8/0x170
> [ 281.660761] [<ffffffff812993a1>] walk_pmd_range+0x211/0x240
> [ 281.660761] [<ffffffff812994fb>] walk_pud_range+0x12b/0x160
> [ 281.660761] [<ffffffff81299639>] walk_pgd_range+0x109/0x140
> [ 281.660761] [<ffffffff812996a5>] __walk_page_range+0x35/0x40
> [ 281.660761] [<ffffffff81299862>] walk_page_range+0xf2/0x130
> [ 281.660761] [<ffffffff812a8ccc>] queue_pages_range+0x6c/0x90
> [ 281.660761] [<ffffffff812a8d80>] ? queue_pages_hugetlb+0x90/0x90
> [ 281.660761] [<ffffffff812a8cf0>] ? queue_pages_range+0x90/0x90
> [ 281.660761] [<ffffffff812a8f50>] ? change_prot_numa+0x30/0x30
> [ 281.660761] [<ffffffff812ac9f1>] do_mbind+0x311/0x330
> [ 281.660761] [<ffffffff811815c1>] ? vtime_account_user+0x91/0xa0
> [ 281.660761] [<ffffffff8124f1a8>] ? context_tracking_user_exit+0xa8/0x1c0
> [ 281.660761] [<ffffffff812aca99>] SYSC_mbind+0x89/0xb0
> [ 281.660761] [<ffffffff812acac9>] SyS_mbind+0x9/0x10
> [ 281.660761] [<ffffffff84395360>] tracesys+0xdd/0xe2
> [ 281.660761] Code: c2 04 47 49 85 be fa 0b 00 00 48 c7 c7 bb 85 49 85 e8 d9 7b f9 ff 31 c0 e9 9c
> 04 00 00 66 90 44 8b 1d a9 b8 ac 04 45 85 db 74 0c <48> 81 3b 40 61 3f 87 75 06 0f 1f 00 45 31 c0 83
> fe 01 77 0c 89
> [ 281.660761] RIP [<ffffffff811a31fc>] __lock_acquire+0xbc/0x580
> [ 281.660761] RSP <ffff880424349ab8>
> [ 281.660761] CR2: 0000000000000018
> [ 281.660761] ---[ end trace b6e188d329664196 ]---
Out of curiosity, I'm testing out a new piece of code to make decoding this dump a bit easier. Let
me know if it helped at all. Lines are based on -next from today:
[ 281.650503] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
[ 281.651577] IP: [<kernel/locking/lockdep.c:3069>] __lock_acquire+0xbc/0x580
[ 281.652453] PGD 40b88d067 PUD 40b88c067 PMD 0
[ 281.653143] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
[ 281.653869] Dumping ftrace buffer:
[ 281.654430] (ftrace buffer empty)
[ 281.654975] Modules linked in:
[ 281.655441] CPU: 4 PID: 12314 Comm: trinity-c361 Tainted: G W
3.14.0-rc3-next-20140220-sasha-00008-gab7e7ac-dirty #113
[ 281.657622] task: ffff8804242ab000 ti: ffff880424348000 task.ti: ffff880424348000
[ 281.658503] RIP: 0010:[<kernel/locking/lockdep.c:3069>] [<kernel/locking/lockdep.c:3069>]
__lock_acquire+0xbc/0x580
[ 281.660025] RSP: 0018:ffff880424349ab8 EFLAGS: 00010002
[ 281.660761] RAX: 0000000000000086 RBX: 0000000000000018 RCX: 0000000000000000
[ 281.660761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000018
[ 281.660761] RBP: ffff880424349b28 R08: 0000000000000001 R09: 0000000000000000
[ 281.660761] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8804242ab000
[ 281.660761] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[ 281.660761] FS: 00007f36534b0700(0000) GS:ffff88052bc00000(0000) knlGS:0000000000000000
[ 281.660761] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 281.660761] CR2: 0000000000000018 CR3: 000000040b88e000 CR4: 00000000000006e0
[ 281.660761] Stack:
[ 281.660761] ffff880424349ae8 ffffffff81180695 ffff8804242ab038 0000000000000004
[ 281.660761] 00000000001d8500 ffff88052bdd8500 ffff880424349b18 ffffffff81180915
[ 281.660761] ffffffff876a68b0 ffff8804242ab000 0000000000000000 0000000000000001
[ 281.660761] Call Trace:
[ 281.660761] [<kernel/sched/clock.c:206>] ? sched_clock_local+0x25/0x90
[ 281.660761] [<arch/x86/include/asm/preempt.h:98 kernel/sched/clock.c:312>] ?
sched_clock_cpu+0xc5/0x110
[ 281.660761] [<arch/x86/include/asm/current.h:14 kernel/locking/lockdep.c:3602>]
lock_acquire+0x182/0x1d0
[ 281.660761] [<include/linux/spinlock.h:303 mm/pagewalk.c:33>] ? walk_pte_range+0xb8/0x170
[ 281.660761] [<kernel/locking/lockdep.c:3506>] ? __lock_release+0x1da/0x1f0
[ 281.660761] [<include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:151>]
_raw_spin_lock+0x3b/0x70
[ 281.660761] [<include/linux/spinlock.h:303 mm/pagewalk.c:33>] ? walk_pte_range+0xb8/0x170
[ 281.660761] [<include/linux/spinlock.h:303 mm/pagewalk.c:33>] walk_pte_range+0xb8/0x170
[ 281.660761] [<mm/pagewalk.c:90>] walk_pmd_range+0x211/0x240
[ 281.660761] [<mm/pagewalk.c:128>] walk_pud_range+0x12b/0x160
[ 281.660761] [<mm/pagewalk.c:165>] walk_pgd_range+0x109/0x140
[ 281.660761] [<mm/pagewalk.c:259>] __walk_page_range+0x35/0x40
[ 281.660761] [<mm/pagewalk.c:332>] walk_page_range+0xf2/0x130
[ 281.660761] [<mm/mempolicy.c:637>] queue_pages_range+0x6c/0x90
[ 281.660761] [<mm/mempolicy.c:492>] ? queue_pages_hugetlb+0x90/0x90
[ 281.660761] [<mm/mempolicy.c:521>] ? queue_pages_range+0x90/0x90
[ 281.660761] [<mm/mempolicy.c:573>] ? change_prot_numa+0x30/0x30
[ 281.660761] [<mm/mempolicy.c:1241>] do_mbind+0x311/0x330
[ 281.660761] [<kernel/sched/cputime.c:681>] ? vtime_account_user+0x91/0xa0
[ 281.660761] [<arch/x86/include/asm/atomic.h:26 include/linux/jump_label.h:148
include/trace/events/context_tracking.h:47 kernel/context_tracking.c:178>] ?
context_tracking_user_exit+0xa8/0x1c0
[ 281.660761] [<mm/mempolicy.c:1356>] SYSC_mbind+0x89/0xb0
[ 281.660761] [<mm/mempolicy.c:1340>] SyS_mbind+0x9/0x10
[ 281.660761] [<arch/x86/kernel/entry_64.S:749>] tracesys+0xdd/0xe2
[ 281.660761] Code: c2 04 47 49 85 be fa 0b 00 00 48 c7 c7 bb 85 49 85 e8 d9 7b f9 ff 31 c0 e9 9c
04 00 00 66 90 44 8b 1d a9 b8 ac 04 45 85 db 74 0c <48> 81 3b 40 61 3f 87 75 06 0f 1f 00 45 31 c0 83
fe 01 77 0c 89
[ 281.660761] RIP [<kernel/locking/lockdep.c:3069>] __lock_acquire+0xbc/0x580
[ 281.660761] RSP <ffff880424349ab8>
[ 281.660761] CR2: 0000000000000018
[ 281.660761] ---[ end trace b6e188d329664196 ]---
Thanks,
Sasha
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next prev parent reply other threads:[~2014-02-21 4:32 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-10 21:44 [PATCH 00/11 v5] update page table walker Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 01/11] pagewalk: update page table walker core Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-12 5:39 ` Joonsoo Kim
2014-02-12 5:39 ` Joonsoo Kim
2014-02-12 15:40 ` Naoya Horiguchi
2014-02-20 23:47 ` Sasha Levin
2014-02-20 23:47 ` Sasha Levin
2014-02-21 3:20 ` Naoya Horiguchi
2014-02-21 4:30 ` Sasha Levin [this message]
2014-02-21 4:30 ` Sasha Levin
[not found] ` <5306c629.012ce50a.6c48.ffff9844SMTPIN_ADDED_BROKEN@mx.google.com>
2014-02-21 6:43 ` Sasha Levin
2014-02-21 6:43 ` Sasha Levin
2014-02-21 16:35 ` Naoya Horiguchi
[not found] ` <1393000553-ocl81482@n-horiguchi@ah.jp.nec.com>
2014-02-21 16:50 ` Sasha Levin
2014-06-02 23:49 ` Dave Hansen
2014-06-02 23:49 ` Dave Hansen
2014-06-03 0:29 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 02/11] pagewalk: add walk_page_vma() Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 03/11] smaps: redefine callback functions for page table walker Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 04/11] clear_refs: " Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 05/11] pagemap: " Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 06/11] numa_maps: " Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 07/11] memcg: " Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 08/11] madvise: " Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-03-21 1:47 ` Sasha Levin
2014-03-21 1:47 ` Sasha Levin
2014-03-21 2:43 ` [PATCH] madvise: fix locking in force_swapin_readahead() (Re: [PATCH 08/11] madvise: redefine callback functions for page table walker) Naoya Horiguchi
2014-03-21 5:16 ` Hugh Dickins
2014-03-21 5:16 ` Hugh Dickins
2014-03-21 6:22 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 09/11] arch/powerpc/mm/subpage-prot.c: use walk_page_vma() instead of walk_page_range() Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 10/11] pagewalk: remove argument hmask from hugetlb_entry() Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-10 21:44 ` [PATCH 11/11] mempolicy: apply page table walker on queue_pages_range() Naoya Horiguchi
2014-02-10 21:44 ` Naoya Horiguchi
2014-02-21 6:30 ` Sasha Levin
2014-02-21 6:30 ` Sasha Levin
2014-02-21 16:58 ` Naoya Horiguchi
[not found] ` <530785b2.d55c8c0a.3868.ffffa4e1SMTPIN_ADDED_BROKEN@mx.google.com>
2014-02-21 17:18 ` Sasha Levin
2014-02-21 17:18 ` Sasha Levin
2014-02-21 17:25 ` Naoya Horiguchi
[not found] ` <1393003512-qjyhnu0@n-horiguchi@ah.jp.nec.com>
2014-02-23 13:04 ` Sasha Levin
2014-02-23 13:04 ` Sasha Levin
2014-02-23 18:59 ` Naoya Horiguchi
2014-02-10 22:42 ` [PATCH 00/11 v5] update page table walker Andrew Morton
2014-02-10 22:42 ` Andrew Morton
-- strict thread matches above, loose matches on Subject: below --
2014-01-13 16:54 [PATCH 00/11 v4] " Naoya Horiguchi
2014-01-13 16:54 ` [PATCH 01/11] pagewalk: update page table walker core Naoya Horiguchi
2014-01-13 16:54 ` Naoya Horiguchi
2013-12-11 22:08 [PATCH 00/11 v3] update page table walker Naoya Horiguchi
2013-12-11 22:08 ` [PATCH 01/11] pagewalk: update page table walker core Naoya Horiguchi
2013-12-11 22:08 ` Naoya Horiguchi
2014-01-08 23:48 ` Andrew Morton
2014-01-08 23:48 ` Andrew Morton
2014-01-09 4:35 ` Naoya Horiguchi
2014-01-09 4:35 ` Naoya Horiguchi
2013-10-30 21:44 [PATCH 00/11 v2] update page table walker Naoya Horiguchi
2013-10-30 21:44 ` [PATCH 01/11] pagewalk: update page table walker core Naoya Horiguchi
2013-10-30 21:44 ` Naoya Horiguchi
2013-11-01 6:23 ` Naoya Horiguchi
2013-11-01 6:23 ` Naoya Horiguchi
2013-10-14 17:36 [PATCH 0/11] update page table walker Naoya Horiguchi
2013-10-14 17:37 ` [PATCH 01/11] pagewalk: update page table walker core Naoya Horiguchi
2013-10-14 17:37 ` Naoya Horiguchi
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