Re: [2.6.32-rc3 kmemleak] WARNING: at kernel/lockdep.c:3161 check_flags+0xbe/0x180()

From: Tetsuo Handa
Date: Tue Oct 13 2009 - 08:57:54 EST

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In reply to: Catalin Marinas: "Re: [2.6.32-rc3 kmemleak] WARNING: atkernel/lockdep.c:3161check_flags+0xbe/0x180()"
Next in thread: Tetsuo Handa: "Re: [2.6.32-rc3 kmemleak] WARNING: atkernel/lockdep.c:3161check_flags+0xbe/0x180()"
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Catalin Marinas wrote:
> Could you send me your .config file and I'll try to reproduce this as
> well?
Yes. It is at http://I-love.SAKURA.ne.jp/tmp/config-2.6.32-rc3 .
Above log is obtained using Debian Sarge.

Below log is obtained using CentOS 5.
Adding "kmemleak=off" in CentOS 5 avoids this error.
Full log is at http://I-love.SAKURA.ne.jp/tmp/dmesg-2.6.32-rc4-centos5.txt .

[ 0.000000] Linux version 2.6.32-rc4 (root@tomoyo) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-44)) #2 SMP Tue Oct 13 20:23:13 JST 2009
(...snipped...)
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] WARNING: at kernel/lockdep.c:3161 check_flags+0xf1/0x180()
[ 0.000000] Hardware name: VMware Virtual Platform
[ 0.000000] Modules linked in:
[ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.32-rc4 #2
[ 0.000000] Call Trace:
[ 0.000000] [<c1064cc1>] ? check_flags+0xf1/0x180
[ 0.000000] BUG: unable to handle kernel paging request at 54205ab1
[ 0.000000] IP: [<c1006e88>] print_context_stack+0x58/0xe0
[ 0.000000] *pde = 00000000
[ 0.000000] Thread overran stack, or stack corrupted
[ 0.000000] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 0.000000] last sysfs file:
[ 0.000000] Modules linked in:
[ 0.000000]
[ 0.000000] Pid: 0, comm: swapper Not tainted (2.6.32-rc4 #2) VMware Virtual Platform
[ 0.000000] EIP: 0060:[<c1006e88>] EFLAGS: 00010016 CPU: 0
[ 0.000000] EIP is at print_context_stack+0x58/0xe0
[ 0.000000] EAX: c1421000 EBX: c1421fb0 ECX: c103c7f5 EDX: 54204649
[ 0.000000] ESI: c1064cc1 EDI: c131d6e0 EBP: c1421f24 ESP: c1421f10
[ 0.000000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 0.000000] Process swapper (pid: 0, ti=c1421000 task=c146ff60 task.ti=c145d000)
[ 0.000000] Stack:
[ 0.000000] c1421fb8 c1421000 c1421000 c1421fac c1421fb8 c1421f50 c1005e76 c131d6e0
[ 0.000000] <0> c13d29de 00000000 c1421f40 c1421f50 00000000 c13d29de c1421fac 00000000
[ 0.000000] <0> c1421f74 c1006dac c1421fb8 c131d6e0 c13d29de 00000000 c1421fb8 c1421fb8
[ 0.000000] Call Trace:
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] BUG: unable to handle kernel paging request at 54205ab1
[ 0.000000] IP: [<c1006e88>] print_context_stack+0x58/0xe0
[ 0.000000] *pde = 00000000
[ 0.000000] Thread overran stack, or stack corrupted
[ 0.000000] Oops: 0000 [#2] SMP DEBUG_PAGEALLOC
[ 0.000000] last sysfs file:
[ 0.000000] Modules linked in:
[ 0.000000]
[ 0.000000] Pid: 0, comm: swapper Not tainted (2.6.32-rc4 #2) VMware Virtual Platform
[ 0.000000] EIP: 0060:[<c1006e88>] EFLAGS: 00010006 CPU: 0
[ 0.000000] EIP is at print_context_stack+0x58/0xe0
[ 0.000000] EAX: c1421000 EBX: c1421f28 ECX: c103c7f5 EDX: 54204649
[ 0.000000] ESI: c1005e76 EDI: c131d6e0 EBP: c1421d64 ESP: c1421d50
[ 0.000000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 0.000000] Process swapper (pid: 0, ti=c1421000 task=c146ff60 task.ti=c145d000)
[ 0.000000] Stack:
[ 0.000000] c1421d90 c1421000 c1421000 c1421f10 c1421d90 c1421d90 c1005e76 c131d6e0
[ 0.000000] <0> c13d34df 00000000 c1421d80 c1421d90 00000000 c13d34df c1421f10 c1421ed4
[ 0.000000] <0> c1421db4 c1006dac 00000000 c131d6e0 c13d34df 00000000 c1421f73 00000018
[ 0.000000] Call Trace:
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
(...snipped...)
[ 0.000000] Thread overran stack, or stack corrupted
[ 0.000000] Oops: 0000 [#8] SMP DEBUG_PAGEALLOC
[ 0.000000] last sysfs file:
[ 0.000000] Modules linked in:
[ 0.000000]
[ 0.000000] Pid: 0, comm: swapper Not tainted (2.6.32-rc4 #2) VMware Virtual Platform
[ 0.000000] EIP: 0060:[<c1006e88>] EFLAGS: 00010006 CPU: 0
[ 0.000000] EIP is at print_context_stack+0x58/0xe0
[ 0.000000] EAX: c1421000 EBX: c14214a8 ECX: c103c7f5 EDX: ffffffff
[ 0.000000] ESI: c1005e76 EDI: c131d6e0 EBP: c14212e4 ESP: c14212d0
[ 0.000000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 0.000000] Process swapper (pid: 0, ti=c1421000 task=c146ff60 task.ti=c145d000)
[ 0.000000] Stack:
[ 0.000000] c1421310 c1421000 c1421000 c1421490 c1421310 c1421310 c1005e76 c131d6e0
[ 0.000000] <0> c13d34df 00000000 c1421300 c1421310 00000000 c13d34df c1421490 c1421454
[ 0.000000] <0> c1421334 c1006dac 00000000 c131d6e0 c13d34df 00000000 c14214f3 00000018
[ 0.000000] Call Trace:
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c1006dac>] ? show_trace_log_lvl+0x4c/0x60
[ 0.000000] [<c1005dc8>] ? show_stack_log_lvl+0xb8/0xe0
[ 0.000000] [<c1005f8a>] ? show_registers+0xca/0x1c0
[ 0.000000] [<c1007121>] ? __die+0xa1/0x100
[ 0.000000] [<c101f5af>] ? no_context+0xff/0x150
[ 0.000000] [<c101f708>] ? __bad_area_nosemaphore+0x58/0x130
[ 0.000000] [<c131abac>] ? _spin_unlock_irqrestore+0x3c/0x60
[ 0.000000] [<c101f887>] ? bad_area_nosemaphore+0x17/0x20
[ 0.000000] [<c101fbaf>] ? do_page_fault+0x17f/0x2a0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c131b4d3>] ? error_code+0x6b/0x70
[ 0.000000] [<c103c7f5>] ? release_console_sem+0x1c5/0x1f0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c1006e88>] ? print_context_stack+0x58/0xe0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c1006dac>] ? show_trace_log_lvl+0x4c/0x60
[ 0.000000] [<c1005dc8>] ? show_stack_log_lvl+0xb8/0xe0
[ 0.000000] [<c1005f8a>] ? show_registers+0xca/0x1c0
[ 0.000000] [<c1007121>] ? __die+0xa1/0x100
[ 0.000000] [<c101f5af>] ? no_context+0xff/0x150
[ 0.000000] [<c101f708>] ? __bad_area_nosemaphore+0x58/0x130
[ 0.000000] [<c131abac>] ? _spin_unlock_irqrestore+0x3c/0x60
[ 0.000000] [<c101f887>] ? bad_area_nosemaphore+0x17/0x20
[ 0.000000] [<c101fbaf>] ? do_page_fault+0x17f/0x2a0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c131b4d3>] ? error_code+0x6b/0x70
[ 0.000000] [<c103c7f5>] ? release_console_sem+0x1c5/0x1f0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c1006e88>] ? print_context_stack+0x58/0xe0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c1006dac>] ? show_trace_log_lvl+0x4c/0x60
[ 0.000000] [<c1005dc8>] ? show_stack_log_lvl+0xb8/0xe0
[ 0.000000] [<c1005f8a>] ? show_registers+0xca/0x1c0
[ 0.000000] [<c1007121>] ? __die+0xa1/0x100
[ 0.000000] [<c101f5af>] ? no_context+0xff/0x150
[ 0.000000] [<c101f708>] ? __bad_area_nosemaphore+0x58/0x130
[ 0.000000] [<c131abac>] ? _spin_unlock_irqrestore+0x3c/0x60
[ 0.000000] [<c101f887>] ? bad_area_nosemaphore+0x17/0x20
[ 0.000000] [<c101fbaf>] ? do_page_fault+0x17f/0x2a0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c131b4d3>] ? error_code+0x6b/0x70
[ 0.000000] [<c103c7f5>] ? release_console_sem+0x1c5/0x1f0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c1006e88>] ? print_context_stack+0x58/0xe0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c1006dac>] ? show_trace_log_lvl+0x4c/0x60
[ 0.000000] [<c1005dc8>] ? show_stack_log_lvl+0xb8/0xe0
[ 0.000000] [<c1005f8a>] ? show_registers+0xca/0x1c0
[ 0.000000] [<c1007121>] ? __die+0xa1/0x100
[ 0.000000] [<c101f5af>] ? no_context+0xff/0x150
[ 0.000000] [<c101f708>] ? __bad_area_nosemaphore+0x58/0x130
[ 0.000000] [<c131abac>] ? _spin_unlock_irqrestore+0x3c/0x60
[ 0.000000] [<c101f887>] ? bad_area_nosemaphore+0x17/0x20
[ 0.000000] [<c101fbaf>] ? do_page_fault+0x17f/0x2a0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c131b4d3>] ? error_code+0x6b/0x70
[ 0.000000] [<c103c7f5>] ? release_console_sem+0x1c5/0x1f0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c1006e88>] ? print_context_stack+0x58/0xe0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c1006dac>] ? show_trace_log_lvl+0x4c/0x60
[ 0.000000] [<c1005dc8>] ? show_stack_log_lvl+0xb8/0xe0
[ 0.000000] [<c1005f8a>] ? show_registers+0xca/0x1c0
[ 0.000000] [<c1007121>] ? __die+0xa1/0x100
[ 0.000000] [<c101f5af>] ? no_context+0xff/0x150
[ 0.000000] [<c101f708>] ? __bad_area_nosemaphore+0x58/0x130
[ 0.000000] [<c131abac>] ? _spin_unlock_irqrestore+0x3c/0x60
[ 0.000000] [<c101f887>] ? bad_area_nosemaphore+0x17/0x20
[ 0.000000] [<c101fbaf>] ? do_page_fault+0x17f/0x2a0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c131b4d3>] ? error_code+0x6b/0x70
[ 0.000000] [<c103c7f5>] ? release_console_sem+0x1c5/0x1f0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c1006e88>] ? print_context_stack+0x58/0xe0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c1006dac>] ? show_trace_log_lvl+0x4c/0x60
[ 0.000000] [<c1005dc8>] ? show_stack_log_lvl+0xb8/0xe0
[ 0.000000] [<c1005f8a>] ? show_registers+0xca/0x1c0
[ 0.000000] [<c1007121>] ? __die+0xa1/0x100
[ 0.000000] [<c101f5af>] ? no_context+0xff/0x150
[ 0.000000] [<c101f708>] ? __bad_area_nosemaphore+0x58/0x130
[ 0.000000] [<c131abac>] ? _spin_unlock_irqrestore+0x3c/0x60
[ 0.000000] [<c101f887>] ? bad_area_nosemaphore+0x17/0x20
[ 0.000000] [<c101fbaf>] ? do_page_fault+0x17f/0x2a0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c131b4d3>] ? error_code+0x6b/0x70
[ 0.000000] [<c103c7f5>] ? release_console_sem+0x1c5/0x1f0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c1006e88>] ? print_context_stack+0x58/0xe0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c1006dac>] ? show_trace_log_lvl+0x4c/0x60
[ 0.000000] [<c1005dc8>] ? show_stack_log_lvl+0xb8/0xe0
[ 0.000000] [<c1005f8a>] ? show_registers+0xca/0x1c0
[ 0.000000] [<c1007121>] ? __die+0xa1/0x100
[ 0.000000] [<c101f5af>] ? no_context+0xff/0x150
[ 0.000000] [<c101f708>] ? __bad_area_nosemaphore+0x58/0x130
[ 0.000000] [<c131abac>] ? _spin_unlock_irqrestore+0x3c/0x60
[ 0.000000] [<c101f887>] ? bad_area_nosemaphore+0x17/0x20
[ 0.000000] [<c101fbaf>] ? do_page_fault+0x17f/0x2a0
[ 0.000000] [<c1064cc1>] ? check_flags+0xf1/0x180
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c131b4d3>] ? error_code+0x6b/0x70
[ 0.000000] [<c103c7f5>] ? release_console_sem+0x1c5/0x1f0
[ 0.000000] [<c1064cc1>] ? check_flags+0xf1/0x180
[ 0.000000] [<c101fa30>] ? do_page_fault+0x0/0x2a0
[ 0.000000] [<c1006e88>] ? print_context_stack+0x58/0xe0
[ 0.000000] [<c1005e76>] ? dump_trace+0x86/0xd0
[ 0.000000] [<c1006dac>] ? show_trace_log_lvl+0x4c/0x60
[ 0.000000] [<c1006ddf>] ? show_trace+0x1f/0x30
[ 0.000000] [<c1006f83>] ? dump_stack+0x73/0x80
[ 0.000000] [<c1064cc1>] ? check_flags+0xf1/0x180
[ 0.000000] [<c103ba41>] ? warn_slowpath_common+0x81/0xa0
[ 0.000000] [<c1064cc1>] ? check_flags+0xf1/0x180
[ 0.000000] [<c103ba7a>] ? warn_slowpath_null+0x1a/0x20
[ 0.000000] [<c1064cc1>] ? check_flags+0xf1/0x180
[ 0.000000] [<c106934c>] ? lock_acquire+0x3c/0xf0
[ 0.000000] <IRQ>
(...snipped...)

Regards.
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In reply to: Catalin Marinas: "Re: [2.6.32-rc3 kmemleak] WARNING: atkernel/lockdep.c:3161check_flags+0xbe/0x180()"
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