From: Dave Jones <davej@redhat.com>
To: "Linus Torvalds" <torvalds@linux-foundation.org>,
"Chris Mason" <clm@fb.com>,
"Mike Galbraith" <umgwanakikbuti@gmail.com>,
"Ingo Molnar" <mingo@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Dâniel Fraga" <fragabr@gmail.com>,
"Sasha Levin" <sasha.levin@oracle.com>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: frequent lockups in 3.18rc4
Date: Sat, 13 Dec 2014 17:36:16 -0500 [thread overview]
Message-ID: <20141213223616.GA22559@redhat.com> (raw)
In-Reply-To: <20141213165915.GA12756@redhat.com>
On Sat, Dec 13, 2014 at 11:59:15AM -0500, Dave Jones wrote:
> On Fri, Dec 12, 2014 at 11:14:06AM -0800, Linus Torvalds wrote:
> > On Fri, Dec 12, 2014 at 10:54 AM, Dave Jones <davej@redhat.com> wrote:
> > >
> > > Something that's still making me wonder if it's some kind of hardware
> > > problem is the non-deterministic nature of this bug.
> >
> > I'd expect it to be a race condition, though. Which can easily cause
> > these kinds of issues, and the timing will be pretty random even if
> > the load is very regular.
> >
> > And we know that the scheduler has an integer overflow under Sasha's
> > loads, although I didn't hear anything from Ingo and friends about it.
> > Ingo/Peter, you were cc'd on that report, where at least one of the
> > multiplcations in wake_affine() ended up overflowing..
> >
> > Some scheduler thing that overflows only under heavy load, and screws
> > up scheduling could easily account for the RCU thread thing. I see it
> > *less* easily accounting for DaveJ's case, though, because the
> > watchdog is running at RT priority, and the scheduler would have to
> > screw up much more to then not schedule an RT task, but..
> >
> > I'm also not sure if the bug ever happens with preemption disabled.
>
> Bah, so I see some watchdog traces with preemption off, and that then
> taints the kernel, and the fuzzing stops. I'll hack something up
> so it ignores the taint and keeps going. All I really care about here
> is the "machine hangs completely" case, which the trace below didn't
> hit..
Ok, I think we can rule out preemption. I just checked on it, and
found it wedged. Here's what I got over usb-serial.
(tainting was from previous post).
[76132.505590] NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [trinity-c8:19387]
[76132.506438] CPU: 3 PID: 19387 Comm: trinity-c8 Tainted: G W 3.18.0+ #102 [loadavg: 148.33 137.64 140.62 48/406 19489]
[76132.507293] task: ffff880226a9ada0 ti: ffff8801aee08000 task.ti: ffff8801aee08000
[76132.508149] RIP: 0010:[<ffffffff81045d3c>] [<ffffffff81045d3c>] kernel_map_pages+0xbc/0x120
[76132.509022] RSP: 0000:ffff8801aee0ba08 EFLAGS: 00000202
[76132.509889] RAX: 00000000001407e0 RBX: 0000000000000000 RCX: 0000000000140760
[76132.510760] RDX: 0000000000000202 RSI: ffff880000000188 RDI: 0000000000000001
[76132.511636] RBP: ffff8801aee0ba68 R08: 8000000000000063 R09: ffff880000000000
[76132.512512] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[76132.513394] R13: 0000000000000000 R14: 0000000001b5f000 R15: 0000000000000000
[76132.514269] FS: 00007fb1263cc740(0000) GS:ffff880244600000(0000) knlGS:0000000000000000
[76132.515152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[76132.516055] CR2: 000000000277dff8 CR3: 0000000233290000 CR4: 00000000001407e0
[76132.516957] DR0: 00007f07ef05a000 DR1: 00007fb7761bb000 DR2: 0000000000000000
[76132.517858] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[76132.518757] Stack:
[76132.519650] ffff880097a32000 ffff8801aee0ba08 0000000000000000 0000000000000003
[76132.520590] 0000000000000000 0000000100000001 0000000000097a31 0000000000000000
[76132.521530] 0000000000000000 0000000078052420 ffff8802447d7348 0000000000000001
[76132.522447] Call Trace:
[76132.523359] [<ffffffff8117f9d4>] get_page_from_freelist+0x4a4/0xaa0
[76132.524281] [<ffffffff811801fe>] __alloc_pages_nodemask+0x22e/0xb40
[76132.525205] [<ffffffff810abb55>] ? local_clock+0x25/0x30
[76132.526135] [<ffffffff810c518c>] ? __lock_acquire.isra.31+0x22c/0x9f0
[76132.527065] [<ffffffff8118545d>] ? release_pages+0x1bd/0x270
[76132.528004] [<ffffffff810c367f>] ? lock_release_holdtime.part.24+0xf/0x190
[76132.528944] [<ffffffff811c941e>] alloc_pages_vma+0xee/0x1b0
[76132.529883] [<ffffffff811a465a>] ? do_wp_page+0xca/0x770
[76132.530823] [<ffffffff8109faff>] ? __might_sleep+0x1f/0x140
[76132.531770] [<ffffffff811a465a>] do_wp_page+0xca/0x770
[76132.532705] [<ffffffff811a6eab>] handle_mm_fault+0x6cb/0xe90
[76132.533633] [<ffffffff810423f8>] ? __do_page_fault+0x198/0x5c0
[76132.534561] [<ffffffff8104245c>] __do_page_fault+0x1fc/0x5c0
[76132.535465] [<ffffffff817cf790>] ? _raw_spin_unlock_irq+0x30/0x40
[76132.536372] [<ffffffff8109f2bd>] ? finish_task_switch+0x7d/0x120
[76132.537269] [<ffffffff8109f27f>] ? finish_task_switch+0x3f/0x120
[76132.538154] [<ffffffff817c9822>] ? __schedule+0x352/0x8c0
[76132.539043] [<ffffffff8137576d>] ? trace_hardirqs_off_thunk+0x3a/0x3c
[76132.539921] [<ffffffff8104282c>] do_page_fault+0xc/0x10
[76132.540791] [<ffffffff817d1fb2>] page_fault+0x22/0x30
[76132.541654] Code: 65 48 33 04 25 28 00 00 00 75 75 48 83 c4 50 5b 41 5c 5d c3 0f 1f 00 9c 5a fa 0f 20 e0 48 89 c1 80 e1 7f 0f 22 e1 0f 22 e0 52 9d <eb> cf 66 90 49 bc 00 00 00 00 00 88 ff ff 48 63 f6 49 01 fc 48
[76132.543541] sending NMI to other CPUs:
[76132.544438] NMI backtrace for cpu 1
[76132.545300] CPU: 1 PID: 17326 Comm: trinity-c93 Tainted: G W 3.18.0+ #102 [loadavg: 148.33 137.64 140.62 48/406 19489]
[76132.546193] task: ffff8800098b2da0 ti: ffff8801aec38000 task.ti: ffff8801aec38000
[76132.547085] RIP: 0010:[<ffffffff810c50a2>] [<ffffffff810c50a2>] __lock_acquire.isra.31+0x142/0x9f0
[76132.547987] RSP: 0018:ffff8801aec3bd58 EFLAGS: 00000082
[76132.548883] RAX: 0000000000000000 RBX: ffff8800098b2da0 RCX: 0000000000000002
[76132.549786] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81c0a098
[76132.550683] RBP: ffff8801aec3bdc8 R08: 0000000000000000 R09: 0000000000000000
[76132.551576] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff825a4ab0
[76132.552462] R13: 0000000000000000 R14: ffffffff81c0a098 R15: 0000000000000000
[76132.553347] FS: 00007fb1263cc740(0000) GS:ffff880244200000(0000) knlGS:0000000000000000
[76132.554237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[76132.555118] CR2: 00007fc56b68e000 CR3: 0000000176d68000 CR4: 00000000001407e0
[76132.556014] DR0: 00007f07ef05a000 DR1: 00007fb7761bb000 DR2: 0000000000000000
[76132.556908] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[76132.557805] Stack:
[76132.558679] ffff8801aec3bdd8 0000000000000046 0000000000000000 0000000000000000
[76132.559582] 0000000000000000 0000000000000000 ffff8801aec3bdf8 0000000000000046
[76132.560486] 0000000000000000 0000000000000246 0000000000000000 0000000000000000
[76132.561394] Call Trace:
[76132.562285] [<ffffffff810c605f>] lock_acquire+0x9f/0x120
[76132.563172] [<ffffffff8107a939>] ? do_wait+0xd9/0x280
[76132.564038] [<ffffffff817cf851>] _raw_read_lock+0x41/0x80
[76132.564891] [<ffffffff8107a939>] ? do_wait+0xd9/0x280
[76132.565734] [<ffffffff8107a939>] do_wait+0xd9/0x280
[76132.566566] [<ffffffff8107af00>] SyS_wait4+0x80/0x110
[76132.567389] [<ffffffff810789e0>] ? task_stopped_code+0x60/0x60
[76132.568220] [<ffffffff817d0392>] system_call_fastpath+0x12/0x17
[76132.569044] Code: 00 00 45 31 ed e9 f3 01 00 00 0f 1f 80 00 00 00 00 44 89 e8 4d 8b 64 c6 08 4d 85 e4 0f 84 21 ff ff ff f0 41 ff 84 24 98 01 00 00 <8b> 3d 70 31 ab 01 44 8b ab 68 07 00 00 85 ff 75 0a 41 83 fd 2f
[76132.570883] NMI backtrace for cpu 2
[76132.570886] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 26.444 msecs
[76132.572634] CPU: 2 PID: 18775 Comm: trinity-c59 Tainted: G W 3.18.0+ #102 [loadavg: 148.33 137.64 140.62 49/406 19489]
[76132.573536] task: ffff880096135b40 ti: ffff8802408f0000 task.ti: ffff8802408f0000
[76132.574440] RIP: 0010:[<ffffffff810fbd4e>] [<ffffffff810fbd4e>] generic_exec_single+0xee/0x1b0
[76132.575364] RSP: 0018:ffff8802408f3d28 EFLAGS: 00000202
[76132.576275] RAX: ffff880223a67d00 RBX: ffff8802408f3d40 RCX: ffff880223a67d40
[76132.577188] RDX: ffff8802447d3ac0 RSI: ffff8802408f3d40 RDI: ffff8802408f3d40
[76132.578096] RBP: ffff8802408f3d88 R08: 0000000000000001 R09: 0000000000000001
[76132.579011] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003
[76132.579918] R13: 0000000000000001 R14: ffff880096159290 R15: ffff8802408f3e80
[76132.580822] FS: 00007fb1263cc740(0000) GS:ffff880244400000(0000) knlGS:0000000000000000
[76132.581737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[76132.582653] CR2: 0000000081000000 CR3: 00000001ccf39000 CR4: 00000000001407e0
[76132.583573] DR0: 00007f07ef05a000 DR1: 00007fb7761bb000 DR2: 0000000000000000
[76132.584495] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[76132.585411] Stack:
[76132.586319] 0000000000000001 ffff880096135b40 ffff8802408f3d48 ffff880223a67d40
[76132.587256] ffffffff81166730 ffff8802258737b0 0000000000000003 00000000803d2842
[76132.588198] ffff8802408f3da8 00000000ffffffff 0000000000000003 ffffffff81166730
[76132.589142] Call Trace:
[76132.590074] [<ffffffff81166730>] ? perf_swevent_add+0x110/0x110
[76132.591018] [<ffffffff81166730>] ? perf_swevent_add+0x110/0x110
[76132.591957] [<ffffffff810fbeb0>] smp_call[76148.896166] sched: RT throttling activated
[76172.492491] NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [kworker/u16:1:24452]
[76172.493490] CPU: 3 PID: 24452 Comm: kworker/u16:1 Tainted: G W L 3.18.0+ #102 [loadavg: 180.20 147.58 143.86 23/399 24452]
[76172.494533] task: ffff88007309c470 ti: ffff880223a18000 task.ti: ffff880223a18000
[76172.495572] RIP: 0010:[<ffffffff817cf799>] [<ffffffff817cf799>] _raw_spin_unlock_irq+0x39/0x40
[76172.496598] RSP: 0018:ffff880223a1bec8 EFLAGS: 00000286
[76172.497628] RAX: 0000000000000003 RBX: 0000000000000046 RCX: 0000000000000380
[76172.498691] RDX: ffff88024460dc40 RSI: 0000000000000000 RDI: ffff8802447d2f00
[76172.499749] RBP: ffff880223a1bed8 R08: 0000000000000000 R09: 0000000000000000
[76172.500804] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[76172.501920] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[76172.502958] FS: 0000000000000000(0000) GS:ffff880244600000(0000) knlGS:0000000000000000
[76172.504054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[76172.505140] CR2: 00007fe411e27000 CR3: 0000000042ae7000 CR4: 00000000001407e0
[76172.506171] DR0: 00007f07ef05a000 DR1: 00007fb7761bb000 DR2: 0000000000000000
[76172.507176] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[76172.508171] Stack:
[76172.509170] 0000000000000001 ffff8802447d2f00 ffff880223a1bf28 ffffffff8109f2bd
[76172.510185] ffffffff8109f27f 0000000000000000 0000000000000000 ffff8802447d2f00
[76172.511234] ffff8802447d2f00 ffff880094cc5dc0 0000000000000000 ffff8801aed38208
[76172.512313] Call Trace:
[76172.513371] [<ffffffff8109f2bd>] finish_task_switch+0x7d/0x120
[76172.514399] [<ffffffff8109f27f>] ? finish_task_switch+0x3f/0x120
[76172.515429] [<ffffffff810a5c87>] schedule_tail+0x27/0xb0
[76172.516455] [<ffffffff817d027f>] ret_from_fork+0xf/0xb0
[76172.517479] [<ffffffff8108e390>] ? call_helper+0x20/0x20
[76172.518515] Code: 53 48 89 fb 48 8d 7f 18 48 83 ec 08 48 8b 55 08 e8 8d 6c 8f ff 48 89 df e8 b5 9f 8f ff e8 d0 aa 97 ff fb 65 ff 0c 25 e0 a9 00 00 <48> 83 c4 08 5b 5d c3 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb 48
[76172.520732] sending NMI to other CPUs:
[76172.521757] NMI backtrace for cpu 1
[76172.522745] CPU: 1 PID: 24454 Comm: modprobe Tainted: G W L 3.18.0+ #102 [loadavg: 180.20 147.58 143.86 19/402 24456]
[76172.523759] task: ffff880223174470 ti: ffff880225ba4000 task.ti: ffff880225ba4000
[76172.524750] RIP: 0033:[<000000336f609ffd>] [<000000336f609ffd>] 0x336f609ffd
[76172.525747] RSP: 002b:00007fffcd99c458 EFLAGS: 00000202
[76172.526721] RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000000000
[76172.527697] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000336ec20908
[76172.528662] RBP: 000000336ee80fc0 R08: 000000336ec20908 R09: 0000000000000000
[76172.529632] R10: 000000336ee879b0 R11: 0000000000000010 R12: 00007fffcd99c4d0
[76172.530599] R13: 0000000000418c2f R14: 00007fffcd99d918 R15: 0000000000000000
[76172.531567] FS: 00007f8ca6d7e740(0000) GS:ffff880244200000(0000) knlGS:0000000000000000
[76172.532543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[76172.533512] CR2: 000000336eed9c00 CR3: 00000000963b7000 CR4: 00000000001407e0
[76172.534486] DR0: 00007f07ef05a000 DR1: 00007fb7761bb000 DR2: 0000000000000000
[76172.535450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[76172.536413]
[76172.537368] NMI backtrace for cpu 2
[76172.538331] CPU: 2 PID: 20261 Comm: trinity-c241 Tainted: G W L 3.18.0+ #102 [loadavg: 180.20 147.58 143.86 18/402 24456]
[76172.539329] task: ffff88017968ada0 ti: ffff8801c0508000 task.ti: ffff8801c0508000
[76172.540316] RIP: 0033:[<000000336ee39e40>] [<000000336ee39e40>] 0x336ee39e40
[76172.541314] RSP: 002b:00007fffe71236e8 EFLAGS: 00000206
[76172.542300] RAX: 0000000000000003 RBX: 0000000001b66720 RCX: 000000336f1b70cc
[76172.543289] RDX: 000000336f1b70c4 RSI: 00007fffe71236fc RDI: 000000336f1b76e0
[76172.544282] RBP: 000000000000000f R08: 000000336f1b713c R09: 000000336f1b7140
[76172.545273] R10: ffffffffffff9f00 R11: 0000000000000202 R12: 00007fe41545d000
[76172.546266] R13: 00007fe41545d068 R14: 0000000000000000 R15: 0000000000000000
[76172.547263] FS: 00007fe416231740(0000) GS:ffff880244400000(0000) knlGS:0000000000000000
[76172.548267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[76172.549270] CR2: 0000000000000008 CR3: 000000017304b000 CR4: 00000000001407e0
[76172.550284] DR0: 00007f07ef05a000 DR1: 00007fb7761bb000 DR2: 0000000000000000
[76172.551300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[76172.552316]
[76172.553304] NMI backtrace for cpu 0
[76172.554289] CPU: 0 PID: 22642 Comm: trinity-c51 Tainted: G W L 3.18.0+ #102 [loadavg: 180.20 147.58 143.86 19/400 24457]
[76172.555284] task: ffff88009f375b40 ti: ffff880229be8000 task.ti: ffff880229be8000
[76172.556277] RIP: 0010:[<ffffffff811a5de0>] [<ffffffff811a5de0>] copy_page_range+0x550/0xa20
[76172.557304] RSP: 0018:ffff880229bebc50 EFLAGS: 00000286
[76172.558340] RAX: 001ffe000008007c RBX: 00007fe413bbf000 RCX: 00000000022c3700
[76172.559328] RDX: ffffea00022c3700 RSI: 00007fe413bbf000 RDI: ffff880201b78c00
[76172.560375] RBP: ffff880229bebd80 R08: 0000000000000000 R09: 0000000000000001
[76172.561423] R10: 0000000000000000 R11: 0000000000000000 R12: 800000008b0dc007
[76172.562465] R13: 00007fe413c00000 R14: ffff88022475ddf8 R15: 0000000000000018
[76172.563432] FS: 00007fe416231740(0000) GS:ffff880244000000(0000) knlGS:0000000000000000
[76172.564401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[76172.565375] CR2: 0000000001d04b68 CR3: 00000001aee5d000 CR4: 00000000001407f0
[76172.566408] DR0: 00007f07ef05a000 DR1: 00007fb7761bb000 DR2: 0000000000000000
[76172.567423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[76172.568394] Stack:
[76172.569353] ffffffff00000000 00007fe413ea6fff 0000000000000000 ffff88021242b988
[76172.570337] 00007fe413ea6fff 00007fe4134a7000 ffff88006681f7f8 ffff880175a72d08
[76172.571323] ffff8800905d9c80 ffff8801aee5d7f8 00007fe413ea7000 ffff880223ff3c80
[76172.572320] Call Trace:
[76172.573300] [<ffffffff810764ef>] copy_process.part.26+0x146f/0x1a40
Dave
next prev parent reply other threads:[~2014-12-13 22:37 UTC|newest]
Thread overview: 488+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-14 21:31 frequent lockups in 3.18rc4 Dave Jones
2014-11-14 22:01 ` Linus Torvalds
2014-11-14 22:30 ` Dave Jones
2014-11-14 22:55 ` Thomas Gleixner
2014-11-14 23:32 ` Dave Jones
2014-11-15 0:36 ` Thomas Gleixner
2014-11-15 2:40 ` Dave Jones
2014-11-16 12:16 ` Thomas Gleixner
2014-11-15 1:59 ` Linus Torvalds
2014-11-17 21:22 ` Linus Torvalds
2014-11-17 22:31 ` Thomas Gleixner
2014-11-17 22:43 ` Thomas Gleixner
2014-11-17 22:58 ` Jens Axboe
2014-11-17 23:59 ` Linus Torvalds
2014-11-18 0:15 ` Thomas Gleixner
2014-11-17 23:04 ` Jens Axboe
2014-11-17 23:17 ` Thomas Gleixner
2014-11-18 2:23 ` Jens Axboe
2014-11-15 21:34 ` Dave Jones
2014-11-16 1:40 ` Dave Jones
2014-11-16 6:33 ` Linus Torvalds
2014-11-16 10:06 ` Markus Trippelsdorf
2014-11-16 18:33 ` Linus Torvalds
2014-11-17 17:03 ` Dave Jones
2014-11-17 19:59 ` Linus Torvalds
2014-11-18 2:09 ` Dave Jones
2014-11-18 2:21 ` Linus Torvalds
2014-11-18 2:39 ` Dave Jones
2014-11-18 2:51 ` Linus Torvalds
2014-11-18 14:52 ` Dave Jones
2014-11-18 17:20 ` Linus Torvalds
2014-11-18 19:28 ` Thomas Gleixner
2014-11-18 21:25 ` Don Zickus
2014-11-18 21:31 ` Dave Jones
2014-11-18 18:54 ` Thomas Gleixner
2014-11-18 21:55 ` Don Zickus
2014-11-18 22:02 ` Dave Jones
2014-11-19 14:41 ` Don Zickus
2014-11-19 15:03 ` Vivek Goyal
2014-11-19 15:38 ` Dave Jones
2014-11-19 16:28 ` Vivek Goyal
2014-11-20 16:10 ` Dave Jones
2014-11-20 16:48 ` Vivek Goyal
2014-11-20 17:38 ` Dave Jones
2014-11-21 9:46 ` Dave Young
2014-11-20 16:54 ` Vivek Goyal
2014-11-20 9:54 ` Dave Young
2014-11-19 2:19 ` Dave Jones
2014-11-19 4:40 ` Linus Torvalds
2014-11-19 4:59 ` Dave Jones
2014-11-19 5:15 ` Dave Jones
2014-11-20 14:36 ` Frederic Weisbecker
2014-11-19 14:59 ` Dave Jones
2014-11-19 17:22 ` Linus Torvalds
2014-11-19 17:40 ` Linus Torvalds
2014-11-19 19:02 ` Frederic Weisbecker
2014-11-19 19:03 ` Andy Lutomirski
2014-11-19 23:00 ` Frederic Weisbecker
2014-11-19 23:07 ` Andy Lutomirski
2014-11-19 23:13 ` Frederic Weisbecker
2014-11-19 21:56 ` Thomas Gleixner
2014-11-19 22:56 ` Frederic Weisbecker
2014-11-19 22:59 ` Andy Lutomirski
2014-11-19 23:07 ` Frederic Weisbecker
2014-11-19 23:09 ` Thomas Gleixner
2014-11-19 23:50 ` Frederic Weisbecker
2014-11-20 12:23 ` Tejun Heo
2014-11-20 21:58 ` Thomas Gleixner
2014-11-20 22:06 ` Andy Lutomirski
2014-11-20 22:11 ` Tejun Heo
2014-11-20 22:42 ` Thomas Gleixner
2014-11-20 23:05 ` Tejun Heo
2014-11-20 23:08 ` Andy Lutomirski
2014-11-20 23:34 ` Linus Torvalds
2014-11-20 23:39 ` Tejun Heo
2014-11-20 23:55 ` Andy Lutomirski
2014-11-21 16:27 ` Tejun Heo
2014-11-21 16:38 ` Andy Lutomirski
2014-11-21 16:48 ` Linus Torvalds
2014-11-21 17:08 ` Steven Rostedt
2014-11-21 17:19 ` Linus Torvalds
2014-11-21 17:22 ` Andy Lutomirski
2014-11-21 18:22 ` Linus Torvalds
2014-11-21 18:28 ` Andy Lutomirski
2014-11-21 19:06 ` Linus Torvalds
2014-11-21 19:23 ` Steven Rostedt
2014-11-21 19:34 ` Linus Torvalds
2014-11-21 19:46 ` Linus Torvalds
2014-11-21 19:52 ` Andy Lutomirski
2014-11-21 20:14 ` Josh Boyer
2014-11-21 20:16 ` Andy Lutomirski
2014-11-21 20:23 ` Josh Boyer
2014-11-24 18:48 ` Konrad Rzeszutek Wilk
2014-11-24 19:07 ` Josh Boyer
2014-11-25 5:36 ` Jürgen Groß
2014-11-25 17:22 ` Linus Torvalds
2014-11-21 20:00 ` Dave Jones
2014-11-21 20:02 ` Andy Lutomirski
2014-11-21 19:51 ` Thomas Gleixner
2014-11-21 20:00 ` Linus Torvalds
2014-11-21 20:16 ` Thomas Gleixner
2014-11-21 20:41 ` Linus Torvalds
2014-11-21 21:11 ` Thomas Gleixner
2014-11-21 22:55 ` Linus Torvalds
2014-11-21 23:03 ` Andy Lutomirski
2014-11-21 23:33 ` Linus Torvalds
2014-12-16 19:28 ` Peter Zijlstra
2014-12-16 20:46 ` Linus Torvalds
2014-12-16 21:19 ` Mel Gorman
2014-12-16 23:02 ` Peter Zijlstra
2014-12-17 0:00 ` Linus Torvalds
2014-12-17 0:41 ` Andy Lutomirski
2014-12-17 17:01 ` Konrad Rzeszutek Wilk
2014-12-17 17:14 ` Peter Zijlstra
2014-11-21 22:33 ` Konrad Rzeszutek Wilk
2014-11-22 1:17 ` Thomas Gleixner
2014-11-22 1:17 ` Thomas Gleixner
2014-11-21 22:33 ` Konrad Rzeszutek Wilk
2014-11-21 17:34 ` Steven Rostedt
2014-11-21 18:24 ` Linus Torvalds
2014-11-21 22:10 ` Frederic Weisbecker
2014-11-21 2:33 ` Steven Rostedt
2014-11-21 0:54 ` Thomas Gleixner
2014-11-21 14:13 ` Frederic Weisbecker
2014-11-21 16:25 ` Tejun Heo
2014-11-21 17:01 ` Steven Rostedt
2014-11-21 17:11 ` Steven Rostedt
2014-11-21 21:32 ` Frederic Weisbecker
2014-11-21 21:34 ` Andy Lutomirski
2014-11-21 21:50 ` Frederic Weisbecker
2014-11-21 22:45 ` Steven Rostedt
2014-11-21 21:44 ` Frederic Weisbecker
2014-11-22 0:11 ` Tejun Heo
2014-11-22 0:18 ` Linus Torvalds
2014-11-22 0:41 ` Andy Lutomirski
2014-11-19 23:54 ` Andy Lutomirski
2014-11-20 0:00 ` Thomas Gleixner
2014-11-20 0:30 ` Andy Lutomirski
2014-11-20 0:40 ` Linus Torvalds
2014-11-20 0:49 ` Andy Lutomirski
2014-11-20 1:07 ` Linus Torvalds
2014-11-20 1:16 ` Andy Lutomirski
2014-11-20 2:42 ` Linus Torvalds
2014-11-20 6:16 ` Andy Lutomirski
2014-11-19 19:15 ` Andy Lutomirski
2014-11-19 19:38 ` Linus Torvalds
2014-11-19 22:18 ` Dave Jones
2014-11-19 21:01 ` Andy Lutomirski
2014-11-19 21:47 ` Dave Jones
2014-11-19 21:58 ` Borislav Petkov
2014-11-19 22:18 ` Dave Jones
2014-11-20 10:33 ` Borislav Petkov
2014-11-19 21:56 ` [PATCH] x86, syscall: Fix _TIF_NOHZ handling in syscall_trace_enter_phase1 Andy Lutomirski
2014-11-19 22:13 ` Thomas Gleixner
2014-11-20 20:33 ` Linus Torvalds
2014-11-20 22:07 ` Thomas Gleixner
2014-11-20 22:04 ` [tip:x86/urgent] " tip-bot for Andy Lutomirski
2014-11-20 15:25 ` frequent lockups in 3.18rc4 Dave Jones
2014-11-20 19:43 ` Linus Torvalds
2014-11-20 20:06 ` Dave Jones
2014-11-20 20:37 ` Don Zickus
2014-11-20 20:51 ` Linus Torvalds
2014-11-21 6:37 ` Ingo Molnar
2014-11-21 14:50 ` Dave Jones
2014-11-25 12:22 ` Will Deacon
2014-12-01 11:48 ` Will Deacon
2014-12-01 17:05 ` Linus Torvalds
2014-12-01 17:10 ` Will Deacon
2014-12-01 17:53 ` Linus Torvalds
2014-12-01 18:25 ` Kirill A. Shutemov
2014-12-01 18:36 ` Linus Torvalds
2014-12-04 10:51 ` Will Deacon
2014-12-04 14:56 ` Dave Jones
2014-12-05 13:49 ` Will Deacon
2014-11-20 15:04 ` Frederic Weisbecker
2014-11-20 15:08 ` Frederic Weisbecker
2014-11-20 16:19 ` Dave Jones
2014-11-20 16:42 ` Frederic Weisbecker
2014-11-26 0:25 ` Dave Jones
2014-11-26 1:48 ` Linus Torvalds
2014-11-26 2:40 ` Dave Jones
2014-11-26 22:57 ` Dave Jones
2014-11-27 0:46 ` Linus Torvalds
2014-11-27 19:17 ` Linus Torvalds
2014-11-27 22:56 ` Dave Jones
2014-11-29 20:38 ` Dâniel Fraga
2014-11-30 20:45 ` Linus Torvalds
2014-11-30 21:21 ` Dâniel Fraga
2014-12-01 0:21 ` Linus Torvalds
2014-12-01 1:02 ` Dâniel Fraga
2014-12-01 19:14 ` Paul E. McKenney
2014-12-01 20:28 ` Dâniel Fraga
2014-12-01 20:36 ` Linus Torvalds
2014-12-01 23:08 ` Chris Mason
2014-12-01 23:25 ` Linus Torvalds
2014-12-01 23:44 ` Chris Mason
2014-12-02 0:39 ` Linus Torvalds
2014-12-02 14:13 ` Mike Galbraith
2014-12-02 16:33 ` Linus Torvalds
2014-12-02 17:14 ` Chris Mason
2014-12-03 18:41 ` Dave Jones
2014-12-03 18:45 ` Linus Torvalds
2014-12-03 19:00 ` Dave Jones
2014-12-03 19:25 ` Linus Torvalds
2014-12-03 19:30 ` Dave Jones
2014-12-03 19:48 ` Linus Torvalds
2014-12-03 20:09 ` Dave Jones
2014-12-03 20:37 ` Linus Torvalds
2014-12-03 20:55 ` Thomas Gleixner
2014-12-03 21:14 ` Linus Torvalds
2014-12-03 22:19 ` Thomas Gleixner
2014-12-03 23:21 ` Dave Jones
2014-12-03 23:49 ` Thomas Gleixner
2014-12-04 0:19 ` Linus Torvalds
2014-12-04 1:02 ` Thomas Gleixner
2014-12-04 0:20 ` Dave Jones
2014-12-04 0:59 ` Thomas Gleixner
2014-12-04 1:32 ` Dave Jones
2014-12-04 3:45 ` Dave Jones
2014-12-03 19:56 ` John Stultz
2014-12-03 20:37 ` Thomas Gleixner
2014-12-03 20:44 ` Dave Jones
2014-12-03 20:59 ` Thomas Gleixner
2014-12-03 21:05 ` Dave Jones
2014-12-03 21:48 ` Thomas Gleixner
2014-12-03 20:39 ` Thomas Gleixner
2014-12-04 3:15 ` Chris Mason
2014-12-04 5:49 ` Linus Torvalds
2014-12-04 14:57 ` Chris Mason
2014-12-04 15:22 ` Dave Hansen
2014-12-04 15:30 ` Chris Mason
2014-12-03 19:59 ` Chris Mason
2014-12-03 20:11 ` Dave Jones
2014-12-03 20:56 ` Chris Mason
2014-12-04 0:27 ` Dave Jones
2014-12-05 17:15 ` Dave Jones
2014-12-05 18:38 ` Linus Torvalds
2014-12-05 18:48 ` Dave Jones
2014-12-05 19:31 ` Linus Torvalds
2014-12-05 19:37 ` Dave Jones
2014-12-06 22:38 ` Thomas Gleixner
2014-12-06 9:37 ` Chuck Ebbert
2014-12-06 16:22 ` Martin van Es
2014-12-06 20:09 ` Linus Torvalds
2014-12-06 20:41 ` Linus Torvalds
2014-12-06 21:14 ` Martin van Es
2014-12-12 12:58 ` Martin van Es
2014-12-15 12:07 ` Martin van Es
2014-12-06 22:14 ` Thomas Gleixner
2014-12-05 19:04 ` Chris Mason
2014-12-05 19:29 ` Linus Torvalds
2014-12-11 14:54 ` Dave Jones
2014-12-11 21:49 ` Linus Torvalds
2014-12-11 21:52 ` Sasha Levin
2014-12-11 21:57 ` Chris Mason
2014-12-11 22:00 ` Sasha Levin
2014-12-11 22:36 ` Linus Torvalds
2014-12-11 22:57 ` Sasha Levin
2014-12-12 6:54 ` Ingo Molnar
2014-12-12 23:54 ` Sasha Levin
2014-12-13 0:23 ` Linus Torvalds
2014-12-13 0:34 ` Sasha Levin
2014-12-13 0:44 ` Linus Torvalds
2014-12-13 16:28 ` Jeff Chua
2014-12-13 2:32 ` Dave Jones
2014-12-11 21:57 ` Borislav Petkov
2014-12-12 3:03 ` Dave Jones
2014-12-12 4:45 ` Dave Jones
2014-12-12 14:38 ` Dave Jones
2014-12-12 18:24 ` Paul E. McKenney
2014-12-12 18:10 ` Paul E. McKenney
2014-12-12 18:42 ` Dave Jones
2014-12-12 18:54 ` Dave Jones
2014-12-12 19:14 ` Linus Torvalds
2014-12-12 19:23 ` Dave Jones
2014-12-12 19:58 ` David Lang
2014-12-12 20:20 ` Linus Torvalds
2014-12-13 7:43 ` Ingo Molnar
2014-12-12 20:34 ` Paul E. McKenney
2014-12-12 21:23 ` Sasha Levin
2014-12-13 0:58 ` Paul E. McKenney
2014-12-13 12:08 ` Paul E. McKenney
2014-12-13 8:30 ` Ingo Molnar
2014-12-13 15:53 ` Sasha Levin
2014-12-13 18:07 ` Paul E. McKenney
2014-12-14 17:50 ` Paul E. McKenney
2014-12-14 23:46 ` Sasha Levin
2014-12-15 0:11 ` Paul E. McKenney
2014-12-15 1:20 ` Sasha Levin
2014-12-15 6:33 ` Paul E. McKenney
2014-12-15 12:56 ` Paul E. McKenney
2014-12-15 13:16 ` Sasha Levin
2014-12-16 3:40 ` Paul E. McKenney
2014-12-13 7:36 ` [PATCH] sched: Fix lost reschedule in __cond_resched() Ingo Molnar
2014-12-14 18:04 ` Frederic Weisbecker
2014-12-14 19:43 ` Ingo Molnar
2014-12-14 19:50 ` Linus Torvalds
2014-12-14 20:30 ` Frederic Weisbecker
2014-12-13 8:19 ` frequent lockups in 3.18rc4 Ingo Molnar
2014-12-13 8:27 ` Ingo Molnar
2014-12-13 14:15 ` Sasha Levin
2014-12-13 16:59 ` Dave Jones
2014-12-13 18:04 ` Paul E. McKenney
2014-12-13 20:41 ` Dave Jones
2014-12-14 4:04 ` Paul E. McKenney
2014-12-13 22:36 ` Dave Jones [this message]
2014-12-13 22:40 ` Linus Torvalds
2014-12-13 22:59 ` Linus Torvalds
2014-12-13 23:09 ` Linus Torvalds
2014-12-13 23:35 ` Al Viro
2014-12-13 23:38 ` Linus Torvalds
2014-12-13 23:47 ` Al Viro
2014-12-14 0:14 ` Linus Torvalds
2014-12-14 0:33 ` Al Viro
2014-12-14 1:35 ` Linus Torvalds
2014-12-14 3:14 ` Al Viro
2014-12-15 0:18 ` Al Viro
2014-12-13 23:39 ` Al Viro
2014-12-14 23:46 ` Dave Jones
2014-12-15 0:38 ` Linus Torvalds
2014-12-15 0:42 ` Dave Jones
2014-12-15 5:47 ` Linus Torvalds
2014-12-15 5:57 ` Dave Jones
2014-12-15 18:21 ` Linus Torvalds
2014-12-15 23:46 ` Linus Torvalds
2014-12-18 2:42 ` Sasha Levin
2014-12-18 2:45 ` Linus Torvalds
2014-12-18 5:13 ` Dave Jones
2014-12-18 15:54 ` Chris Mason
2014-12-18 16:12 ` Dave Jones
2014-12-19 2:45 ` Dave Jones
2014-12-19 3:49 ` Linus Torvalds
2014-12-19 3:58 ` Dave Jones
2014-12-19 4:03 ` Dave Jones
2014-12-19 4:48 ` Linus Torvalds
2014-12-19 11:35 ` Peter Zijlstra
2014-12-19 14:55 ` Dave Jones
2014-12-19 15:14 ` Chris Mason
2014-12-19 19:15 ` Linus Torvalds
2014-12-19 19:44 ` Peter Zijlstra
2014-12-19 19:51 ` Linus Torvalds
2014-12-19 20:46 ` Linus Torvalds
2014-12-19 20:54 ` Dave Jones
2014-12-19 22:05 ` Linus Torvalds
2014-12-20 16:49 ` Dave Jones
2014-12-19 20:31 ` Chris Mason
2014-12-19 20:36 ` Dave Jones
2014-12-19 23:22 ` Thomas Gleixner
2014-12-20 0:12 ` Chris Mason
2014-12-20 1:06 ` Thomas Gleixner
2014-12-19 23:14 ` Thomas Gleixner
2014-12-19 23:55 ` Linus Torvalds
2014-12-20 1:00 ` Thomas Gleixner
2014-12-20 1:57 ` Linus Torvalds
2014-12-20 18:25 ` Linus Torvalds
2014-12-20 21:16 ` Linus Torvalds
2014-12-21 3:52 ` Paul E. McKenney
2014-12-21 21:22 ` Linus Torvalds
2014-12-21 22:19 ` Linus Torvalds
2014-12-21 22:32 ` Dave Jones
2014-12-21 23:58 ` Linus Torvalds
2014-12-22 0:41 ` Linus Torvalds
2014-12-22 0:52 ` Linus Torvalds
2014-12-22 1:22 ` Dave Jones
2014-12-22 3:11 ` Paul E. McKenney
2014-12-22 19:47 ` Linus Torvalds
2014-12-22 20:06 ` Linus Torvalds
2014-12-22 22:57 ` Dave Jones
2014-12-22 23:59 ` Linus Torvalds
2014-12-23 14:56 ` Dave Jones
2014-12-24 13:58 ` Sasha Levin
2014-12-24 3:01 ` Dave Jones
2014-12-26 16:34 ` Dave Jones
2014-12-26 18:12 ` Dave Jones
2014-12-26 20:57 ` Linus Torvalds
2014-12-26 21:20 ` Dave Jones
2014-12-26 22:57 ` Dave Jones
2014-12-26 23:16 ` Linus Torvalds
2014-12-27 0:36 ` Dave Jones
2014-12-27 3:14 ` Linus Torvalds
2014-12-27 16:48 ` Dave Jones
2014-12-26 23:30 ` Linus Torvalds
2014-12-27 0:39 ` Dave Jones
2014-12-27 2:53 ` Dave Jones
2015-01-03 0:27 ` John Stultz
2015-01-03 14:58 ` Sasha Levin
2015-01-04 19:46 ` Linus Torvalds
2015-01-06 1:17 ` John Stultz
2015-01-06 1:25 ` Linus Torvalds
2015-01-06 2:05 ` John Stultz
2014-12-22 23:59 ` John Stultz
2014-12-23 0:46 ` Linus Torvalds
2014-12-27 20:33 ` Paul E. McKenney
2015-01-12 10:05 ` Thomas Gleixner
2014-12-19 14:30 ` Chris Mason
2014-12-19 15:12 ` Dave Jones
2014-12-18 18:54 ` Linus Torvalds
2014-12-15 14:00 ` Borislav Petkov
2014-12-18 21:17 ` save_xstate_sig (Re: frequent lockups in 3.18rc4) Andy Lutomirski
2014-12-18 21:34 ` Linus Torvalds
2014-12-18 21:41 ` Andy Lutomirski
2014-12-18 21:37 ` Dave Jones
2014-12-17 18:22 ` frequent lockups in 3.18rc4 Dave Jones
2014-12-17 18:57 ` Dave Jones
2014-12-17 19:24 ` Dave Jones
2014-12-17 19:51 ` Linus Torvalds
2014-12-17 20:16 ` Dave Jones
2014-12-17 19:41 ` Linus Torvalds
2014-12-06 5:04 ` Gene Heskett
2014-12-02 17:47 ` Mike Galbraith
2014-12-13 8:11 ` Ingo Molnar
2014-12-13 9:57 ` Mike Galbraith
2014-12-17 11:13 ` Peter Zijlstra
2014-12-02 19:32 ` Dave Jones
2014-12-02 23:32 ` Sasha Levin
2014-12-03 0:09 ` Linus Torvalds
2014-12-03 0:25 ` Sasha Levin
2014-12-05 5:00 ` Sasha Levin
2014-12-05 6:38 ` Linus Torvalds
2014-12-05 15:03 ` Sasha Levin
2014-12-05 18:15 ` Linus Torvalds
2014-12-07 14:58 ` Sasha Levin
2014-12-07 18:24 ` Paul E. McKenney
2014-12-07 19:43 ` Paul E. McKenney
2014-12-07 23:28 ` Sasha Levin
2014-12-08 5:20 ` Paul E. McKenney
2014-12-08 14:33 ` Sasha Levin
2014-12-08 15:28 ` Sasha Levin
2014-12-08 15:57 ` Paul E. McKenney
2014-12-08 16:34 ` Sasha Levin
2014-12-08 15:56 ` Paul E. McKenney
2014-12-07 23:53 ` Linus Torvalds
2014-12-02 19:31 ` Dave Jones
2014-12-02 21:17 ` Linus Torvalds
2014-12-02 20:30 ` Dave Jones
2014-12-02 20:48 ` Paul E. McKenney
2014-12-01 23:08 ` Paul E. McKenney
2014-12-02 16:43 ` Dâniel Fraga
2014-12-02 17:04 ` Paul E. McKenney
2014-12-02 17:14 ` Dâniel Fraga
2014-12-02 18:42 ` Paul E. McKenney
2014-12-02 18:47 ` Dâniel Fraga
2014-12-02 19:11 ` Paul E. McKenney
2014-12-02 19:24 ` Dâniel Fraga
2014-12-02 20:56 ` Paul E. McKenney
2014-12-02 22:01 ` Dâniel Fraga
2014-12-02 22:10 ` Paul E. McKenney
2014-12-02 22:18 ` Dâniel Fraga
2014-12-02 22:35 ` Paul E. McKenney
2014-12-02 22:10 ` Linus Torvalds
2014-12-02 22:16 ` Dâniel Fraga
2014-12-03 3:21 ` Dâniel Fraga
2014-12-03 4:14 ` Linus Torvalds
2014-12-03 4:51 ` Dâniel Fraga
2014-12-03 6:02 ` Chris Rorvick
2014-12-03 15:22 ` Linus Torvalds
2014-12-04 8:43 ` Dâniel Fraga
2014-12-04 16:18 ` Linus Torvalds
2014-12-04 16:52 ` Frederic Weisbecker
2014-12-04 17:25 ` Dâniel Fraga
2014-12-04 17:47 ` Linus Torvalds
2014-12-04 18:07 ` Dâniel Fraga
2014-12-03 14:54 ` Tejun Heo
2014-12-02 18:09 ` Paul E. McKenney
2014-12-02 18:41 ` Dâniel Fraga
2014-12-02 17:08 ` Linus Torvalds
2014-12-02 17:16 ` Dâniel Fraga
2014-12-02 8:40 ` Lai Jiangshan
2014-12-02 16:58 ` Paul E. McKenney
2014-12-02 16:58 ` Dâniel Fraga
2014-12-02 17:17 ` Paul E. McKenney
2014-12-03 2:03 ` Lai Jiangshan
2014-12-03 5:22 ` Paul E. McKenney
2014-12-01 16:56 ` Don Zickus
2014-11-26 4:39 ` Jürgen Groß
[not found] ` <CA+55aFx1SiFBzmA=k9jHxi3cZE3Ei_+2NHepujgf86KEvkz8eQ@mail.gmail.com>
2014-11-26 5:11 ` Dave Jones
2014-11-26 5:24 ` Juergen Gross
2014-11-26 5:52 ` Linus Torvalds
2014-11-26 6:21 ` Linus Torvalds
2014-11-26 6:52 ` Juergen Gross
2014-11-26 9:44 ` Juergen Gross
2014-11-26 14:34 ` Dave Jones
2014-11-26 17:37 ` Linus Torvalds
2014-11-20 15:28 ` Frederic Weisbecker
2014-11-17 15:07 ` Don Zickus
-- strict thread matches above, loose matches on Subject: below --
2014-12-16 3:04 Hillf Danton
2015-02-12 11:09 Martin van Es
2015-02-12 16:01 ` Linus Torvalds
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