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Open Source and information security mailing list archives
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Date: Wed, 22 Aug 2007 19:26:39 +0200
From: Mariusz Kozlowski <m.kozlowski@...land.pl>
To: Andrew Morton <akpm@...ux-foundation.org>,
Ingo Molnar <mingo@...e.hu>
Cc: linux-kernel@...r.kernel.org
Subject: Re: 2.6.23-rc3-mm1: locking boot-time self-test failure
Hello,
Got that on my laptop:
------------------------
| Locking API testsuite:
----------------------------------------------------------------------------
| spin |wlock |rlock |mutex | wsem | rsem |
--------------------------------------------------------------------------
A-A deadlock: ok | ok | ok | ok | ok | ok |
A-B-B-A deadlock: ok | ok | ok | ok | ok | ok |
A-B-B-C-C-A deadlock: ok | ok | ok | ok | ok | ok |
A-B-C-A-B-C deadlock: ok | ok | ok | ok | ok | ok |
A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok | ok | ok |
A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok | ok | ok |
A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok | ok | ok |
double unlock: ok | ok | ok | ok | ok | ok |
initialize held: ok | ok | ok | ok | ok | ok |
bad unlock order: ok | ok | ok | ok | ok | ok |
--------------------------------------------------------------------------
recursive read-lock: | ok | | ok |
recursive read-lock #2: | ok | | ok |
mixed read-write-lock: | ok | | ok |
mixed write-read-lock: | ok | | ok |
--------------------------------------------------------------------------
hard-irqs-on + irq-safe-A/12: ok | ok | ok |
soft-irqs-on + irq-safe-A/12: ok | ok | ok |
hard-irqs-on + irq-safe-A/21: ok | ok | ok |
soft-irqs-on + irq-safe-A/21: ok | ok | ok |
sirq-safe-A => hirqs-on/12: ok | ok |irq event stamp: 452
hardirqs last enabled at (452): [<c026ff85>] irqsafe2A_rlock_12+0x8d/0xcc
hardirqs last disabled at (451): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (448): [<c026ff70>] irqsafe2A_rlock_12+0x78/0xcc
softirqs last disabled at (444): [<c026ff04>] irqsafe2A_rlock_12+0xc/0xcc
FAILED| [<c0104b60>] dump_trace+0x1c7/0x1dc
[<c0104b8f>] show_trace_log_lvl+0x1a/0x30
[<c010558d>] show_trace+0x12/0x14
[<c01056c1>] dump_stack+0x15/0x17
[<c026dc34>] dotest+0x6e/0x416
[<c02785cf>] locking_selftest+0x912/0x1a7f
[<c0672a52>] start_kernel+0x1b7/0x2c5
=======================
sirq-safe-A => hirqs-on/21:irq event stamp: 456
hardirqs last enabled at (456): [<c026fcb6>] irqsafe2A_spin_21+0x1c/0xc9
hardirqs last disabled at (455): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (448): [<c026ff70>] irqsafe2A_rlock_12+0x78/0xcc
softirqs last disabled at (444): [<c026ff04>] irqsafe2A_rlock_12+0xc/0xcc
ok |irq event stamp: 460
hardirqs last enabled at (460): [<c026fe4b>] irqsafe2A_wlock_21+0x1c/0xc9
hardirqs last disabled at (459): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (448): [<c026ff70>] irqsafe2A_rlock_12+0x78/0xcc
softirqs last disabled at (444): [<c026ff04>] irqsafe2A_rlock_12+0xc/0xcc
ok |irq event stamp: 464
hardirqs last enabled at (464): [<c026ffe0>] irqsafe2A_rlock_21+0x1c/0xc9
hardirqs last disabled at (463): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (448): [<c026ff70>] irqsafe2A_rlock_12+0x78/0xcc
softirqs last disabled at (444): [<c026ff04>] irqsafe2A_rlock_12+0xc/0xcc
FAILED| [<c0104b60>] dump_trace+0x1c7/0x1dc
[<c0104b8f>] show_trace_log_lvl+0x1a/0x30
[<c010558d>] show_trace+0x12/0x14
[<c01056c1>] dump_stack+0x15/0x17
[<c026dc34>] dotest+0x6e/0x416
[<c0278625>] locking_selftest+0x968/0x1a7f
[<c0672a52>] start_kernel+0x1b7/0x2c5
=======================
hard-safe-A + irqs-on/12: ok | ok |irq event stamp: 480
hardirqs last enabled at (480): [<c0274470>] irqsafe2B_hard_rlock_12+0x86/0xc5
hardirqs last disabled at (479): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (448): [<c026ff70>] irqsafe2A_rlock_12+0x78/0xcc
softirqs last disabled at (444): [<c026ff04>] irqsafe2A_rlock_12+0xc/0xcc
FAILED| [<c0104b60>] dump_trace+0x1c7/0x1dc
[<c0104b8f>] show_trace_log_lvl+0x1a/0x30
[<c010558d>] show_trace+0x12/0x14
[<c01056c1>] dump_stack+0x15/0x17
[<c026dc34>] dotest+0x6e/0x416
[<c027867b>] locking_selftest+0x9be/0x1a7f
[<c0672a52>] start_kernel+0x1b7/0x2c5
=======================
soft-safe-A + irqs-on/12: ok | ok |irq event stamp: 514
hardirqs last enabled at (514): [<c011f72e>] local_bh_enable+0xf6/0x212
hardirqs last disabled at (513): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (512): [<c02702aa>] irqsafe2B_soft_rlock_12+0x8c/0xca
softirqs last disabled at (510): [<c027029b>] irqsafe2B_soft_rlock_12+0x7d/0xca
FAILED| [<c0104b60>] dump_trace+0x1c7/0x1dc
[<c0104b8f>] show_trace_log_lvl+0x1a/0x30
[<c010558d>] show_trace+0x12/0x14
[<c01056c1>] dump_stack+0x15/0x17
[<c026dc34>] dotest+0x6e/0x416
[<c02786d1>] locking_selftest+0xa14/0x1a7f
[<c0672a52>] start_kernel+0x1b7/0x2c5
=======================
hard-safe-A + irqs-on/21:irq event stamp: 518
hardirqs last enabled at (518): [<c0274344>] irqsafe2B_hard_spin_21+0x1c/0xc2
hardirqs last disabled at (517): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (512): [<c02702aa>] irqsafe2B_soft_rlock_12+0x8c/0xca
softirqs last disabled at (510): [<c027029b>] irqsafe2B_soft_rlock_12+0x7d/0xca
ok |irq event stamp: 522
hardirqs last enabled at (522): [<c0274652>] irqsafe2B_hard_wlock_21+0x1c/0xc2
hardirqs last disabled at (521): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (512): [<c02702aa>] irqsafe2B_soft_rlock_12+0x8c/0xca
softirqs last disabled at (510): [<c027029b>] irqsafe2B_soft_rlock_12+0x7d/0xca
ok |irq event stamp: 526
hardirqs last enabled at (526): [<c02744cb>] irqsafe2B_hard_rlock_21+0x1c/0xc2
hardirqs last disabled at (525): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (512): [<c02702aa>] irqsafe2B_soft_rlock_12+0x8c/0xca
softirqs last disabled at (510): [<c027029b>] irqsafe2B_soft_rlock_12+0x7d/0xca
FAILED| [<c0104b60>] dump_trace+0x1c7/0x1dc
[<c0104b8f>] show_trace_log_lvl+0x1a/0x30
[<c010558d>] show_trace+0x12/0x14
[<c01056c1>] dump_stack+0x15/0x17
[<c026dc34>] dotest+0x6e/0x416
[<c0278727>] locking_selftest+0xa6a/0x1a7f
[<c0672a52>] start_kernel+0x1b7/0x2c5
=======================
soft-safe-A + irqs-on/21:irq event stamp: 532
hardirqs last enabled at (532): [<c011f72e>] local_bh_enable+0xf6/0x212
hardirqs last disabled at (531): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (530): [<c0270172>] irqsafe2B_soft_spin_21+0x1b/0xc7
softirqs last disabled at (528): [<c0270163>] irqsafe2B_soft_spin_21+0xc/0xc7
ok |irq event stamp: 538
hardirqs last enabled at (538): [<c011f72e>] local_bh_enable+0xf6/0x212
hardirqs last disabled at (537): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (536): [<c0270494>] irqsafe2B_soft_wlock_21+0x1b/0xc7
softirqs last disabled at (534): [<c0270485>] irqsafe2B_soft_wlock_21+0xc/0xc7
ok |irq event stamp: 544
hardirqs last enabled at (544): [<c011f72e>] local_bh_enable+0xf6/0x212
hardirqs last disabled at (543): [<c0115ce4>] cpu_clock+0xe/0x49
softirqs last enabled at (542): [<c0270303>] irqsafe2B_soft_rlock_21+0x1b/0xc7
softirqs last disabled at (540): [<c02702f4>] irqsafe2B_soft_rlock_21+0xc/0xc7
FAILED| [<c0104b60>] dump_trace+0x1c7/0x1dc
[<c0104b8f>] show_trace_log_lvl+0x1a/0x30
[<c010558d>] show_trace+0x12/0x14
[<c01056c1>] dump_stack+0x15/0x17
[<c026dc34>] dotest+0x6e/0x416
[<c027877d>] locking_selftest+0xac0/0x1a7f
[<c0672a52>] start_kernel+0x1b7/0x2c5
=======================
hard-safe-A + unsafe-B #1/123: ok | ok | ok |
soft-safe-A + unsafe-B #1/123: ok | ok | ok |
hard-safe-A + unsafe-B #1/132: ok | ok | ok |
soft-safe-A + unsafe-B #1/132: ok | ok | ok |
hard-safe-A + unsafe-B #1/213: ok | ok | ok |
soft-safe-A + unsafe-B #1/213: ok | ok | ok |
hard-safe-A + unsafe-B #1/231: ok | ok | ok |
soft-safe-A + unsafe-B #1/231: ok | ok | ok |
hard-safe-A + unsafe-B #1/312: ok | ok | ok |
soft-safe-A + unsafe-B #1/312: ok | ok | ok |
hard-safe-A + unsafe-B #1/321: ok | ok | ok |
soft-safe-A + unsafe-B #1/321: ok | ok | ok |
hard-safe-A + unsafe-B #2/123: ok | ok | ok |
soft-safe-A + unsafe-B #2/123: ok | ok | ok |
hard-safe-A + unsafe-B #2/132: ok | ok | ok |
soft-safe-A + unsafe-B #2/132: ok | ok | ok |
hard-safe-A + unsafe-B #2/213: ok | ok | ok |
soft-safe-A + unsafe-B #2/213: ok | ok | ok |
hard-safe-A + unsafe-B #2/231: ok | ok | ok |
soft-safe-A + unsafe-B #2/231: ok | ok | ok |
hard-safe-A + unsafe-B #2/312: ok | ok | ok |
soft-safe-A + unsafe-B #2/312: ok | ok | ok |
hard-safe-A + unsafe-B #2/321: ok | ok | ok |
soft-safe-A + unsafe-B #2/321: ok | ok | ok |
hard-irq lock-inversion/123: ok | ok | ok |
soft-irq lock-inversion/123: ok | ok | ok |
hard-irq lock-inversion/132: ok | ok | ok |
soft-irq lock-inversion/132: ok | ok | ok |
hard-irq lock-inversion/213: ok | ok | ok |
soft-irq lock-inversion/213: ok | ok | ok |
hard-irq lock-inversion/231: ok | ok | ok |
soft-irq lock-inversion/231: ok | ok | ok |
hard-irq lock-inversion/312: ok | ok | ok |
soft-irq lock-inversion/312: ok | ok | ok |
hard-irq lock-inversion/321: ok | ok | ok |
soft-irq lock-inversion/321: ok | ok | ok |
hard-irq read-recursion/123: ok |
soft-irq read-recursion/123: ok |
hard-irq read-recursion/132: ok |
soft-irq read-recursion/132: ok |
hard-irq read-recursion/213: ok |
soft-irq read-recursion/213: ok |
hard-irq read-recursion/231: ok |
soft-irq read-recursion/231: ok |
hard-irq read-recursion/312: ok |
soft-irq read-recursion/312: ok |
hard-irq read-recursion/321: ok |
soft-irq read-recursion/321: ok |
-----------------------------------------------------------------
BUG: 6 unexpected failures (out of 218) - debugging disabled! |
-----------------------------------------------------------------
Regards,
Mariusz
Linux orion 2.6.23-rc3-mm1 #1 PREEMPT Wed Aug 22 18:07:16 CEST 2007 i686 Intel(R) Pentium(R) 4 CPU 2.40GHz GenuineIntel GNU/Linux
Gnu C 4.1.2
Gnu make 3.81
binutils 2.17
util-linux 2.12r
mount 2.12r
module-init-tools 3.2.2
e2fsprogs 1.39
pcmciautils 014
pcmcia-cs 3.2.9
PPP 2.4.4
Linux C Library 2.5
Dynamic linker (ldd) 2.5
Procps 3.2.7
Net-tools 1.60
Kbd 1.12
oprofile 0.9.1
Sh-utils 6.9
udev 114
wireless-tools 29
Modules Loaded orinoco_cs orinoco hermes pcmcia 8139too yenta_socket rsrc_nonstatic pcmcia_core 8250_pci 8250 serial_core
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Pentium(R) 4 CPU 2.40GHz
stepping : 9
cpu MHz : 2392.397
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pebs bts sync_rdtsc cid xtpr
bogomips : 4788.23
clflush size : 64
View attachment ".config" of type "text/plain" (44878 bytes)
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