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Date: Wed, 5 Feb 2014 15:27:20 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Alex Shi <alex.shi@...aro.org>
Cc: linux-kernel@...r.kernel.org
Subject: [sched] general protection fault: 0000 [#1] SMP
Greetings,
I got the below dmesg and the first bad commit is
https://github.com/alexshi/power-scheduling.git
commit 297c7d37bfd076cb8f0980b3ab6e57d9f3479d3c
Author: Alex Shi <alex.shi@...aro.org>
AuthorDate: Mon Feb 3 22:30:06 2014 +0800
Commit: Alex Shi <alex.shi@...aro.org>
CommitDate: Mon Feb 3 22:30:06 2014 +0800
sched: panda board has no llc sd, so do a redundant check for this
+-------------------------------------------------------+--------------+--------------+
| | 80f550e10e1c | 297c7d37bfd0 |
+-------------------------------------------------------+--------------+--------------+
| boot_successes | 60 | 0 |
| boot_failures | 1 | 19 |
| BUG:kernel_test_hang | 1 | |
| general_protection_fault:SMP | 0 | 19 |
| RIP:run_balance_system | 0 | 19 |
| Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 19 |
+-------------------------------------------------------+--------------+--------------+
[ 0.316014] smpboot: Total of 2 processors activated (6400.25 BogoMIPS)
[ 0.324020] KVM setup async PF for cpu 1
[ 0.328000] kvm-stealtime: cpu 1, msr 1fd0d040
[ 0.336022] general protection fault: 0000 [#1] SMP
[ 0.340000] Modules linked in:
[ 0.340000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.14.0-rc1-00018-g297c7d3 #5
[ 0.340000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 0.340000] task: ffffffff82211440 ti: ffffffff82200000 task.ti: ffffffff82200000
[ 0.340000] RIP: 0010:[<ffffffff81111a59>] [<ffffffff81111a59>] run_balance_system+0x1cb/0x27f
[ 0.340000] RSP: 0000:ffff88001fc03df0 EFLAGS: 00010206
[ 0.340000] RAX: 0000ffff00013000 RBX: ffff88001fc0d380 RCX: 0000000000000000
[ 0.340000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff824f01f0
[ 0.340000] RBP: ffff88001fc03f18 R08: ffff88001fc0d3c0 R09: 0000000000000101
[ 0.340000] R10: 0000000000000001 R11: 000000000000b59c R12: ffff88001fc03df0
[ 0.340000] R13: 0000000000000200 R14: 0000000000000002 R15: 000000000000d2e8
[ 0.340000] FS: 0000000000000000(0000) GS:ffff88001fc00000(0000) knlGS:0000000000000000
[ 0.340000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 0.340000] CR2: 00000000ffffffff CR3: 000000000220c000 CR4: 00000000000006f0
[ 0.340000] Stack:
[ 0.340000] 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[ 0.340000] 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[ 0.340000] 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[ 0.340000] Call Trace:
[ 0.340000] <IRQ>
[ 0.340000] [<ffffffff81068981>] ? kvm_clock_read+0x27/0x31
[ 0.340000] [<ffffffff810e99e0>] ? run_timer_softirq+0x1e4/0x238
[ 0.340000] [<ffffffff810e27c2>] __do_softirq+0x121/0x2b7
[ 0.340000] [<ffffffff810e2b94>] irq_exit+0x4a/0xa0
[ 0.340000] [<ffffffff81a34b46>] smp_apic_timer_interrupt+0x44/0x50
[ 0.340000] [<ffffffff81a33832>] apic_timer_interrupt+0x72/0x80
[ 0.340000] <EOI>
[ 0.340000] [<ffffffff81068b78>] ? native_safe_halt+0x6/0x8
[ 0.340000] [<ffffffff81041cbb>] default_idle+0x38/0xc1
[ 0.340000] [<ffffffff810423e7>] arch_cpu_idle+0x18/0x28
[ 0.340000] [<ffffffff81123af6>] cpu_startup_entry+0x131/0x20a
[ 0.340000] [<ffffffff81a16373>] rest_init+0x87/0x89
[ 0.340000] [<ffffffff8234ddd6>] start_kernel+0x407/0x412
[ 0.340000] [<ffffffff8234d7dd>] ? repair_env_string+0x58/0x58
[ 0.340000] [<ffffffff8234d120>] ? early_idt_handlers+0x120/0x120
[ 0.340000] [<ffffffff8234d498>] x86_64_start_reservations+0x2a/0x2c
[ 0.340000] [<ffffffff8234d5d5>] x86_64_start_kernel+0x13b/0x148
[ 0.340000] Code: ff ff 41 ff c6 eb d2 48 c7 c2 c0 01 4f 82 31 c0 b9 0c 00 00 00 48 89 d7 31 d2 f3 ab 48 c7 c0 00 30 01 00 4a 03 04 ed 40 e5 32 82 <48> 8b 80 80 08 00 00 48 85 c0 74 06 f6 40 3c 01 75 0d 48 89 15
[ 0.340000] RIP [<ffffffff81111a59>] run_balance_system+0x1cb/0x27f
[ 0.340000] RSP <ffff88001fc03df0>
[ 0.340019] ---[ end trace 443bf419261ef47a ]---
[ 0.344010] Kernel panic - not syncing: Fatal exception in interrupt
git bisect start 297c7d37bfd076cb8f0980b3ab6e57d9f3479d3c 38dbfb59d1175ef458d006556061adeaa8751b72 --
git bisect good 80f550e10e1c6a027d9df7eef7aee7aaefc7e76e # 21:42 20+ 0 sched: remove un-used functions
# first bad commit: [297c7d37bfd076cb8f0980b3ab6e57d9f3479d3c] sched: panda board has no llc sd, so do a redundant check for this
git bisect good 80f550e10e1c6a027d9df7eef7aee7aaefc7e76e # 00:24 60+ 0 sched: remove un-used functions
git bisect bad 297c7d37bfd076cb8f0980b3ab6e57d9f3479d3c # 00:24 0- 19 sched: panda board has no llc sd, so do a redundant check for this
git bisect good 38dbfb59d1175ef458d006556061adeaa8751b72 # 00:45 60+ 2 Linus 3.14-rc1
git bisect good cdd263faccc2184e685573968dae5dd34758e322 # 00:45 790+ 0 Add linux-next specific files for 20140204
Thanks,
Fengguang
View attachment "dmesg-nfsroot-jaketown-22:20140204000018:x86_64-lkp:3.14.0-rc1-00018-g297c7d3:5" of type "text/plain" (30255 bytes)
View attachment "config-3.14.0-rc1-00018-g297c7d3" of type "text/plain" (82079 bytes)
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