* [Bug 16489] New: kmemleak after suspend2ram in cpufreq driver
@ 2010-08-01 14:19 bugzilla-daemon
2010-08-23 12:51 ` [Bug 16489] " bugzilla-daemon
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: bugzilla-daemon @ 2010-08-01 14:19 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=16489
Summary: kmemleak after suspend2ram in cpufreq driver
Product: Power Management
Version: 2.5
Kernel Version: 2.6.35-rc6+
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: cpufreq
AssignedTo: cpufreq@vger.kernel.org
ReportedBy: toralf.foerster@gmx.de
Regression: No
If I suspend2ram my ThinkPad T400 and wake it up, then
/sys/kernel/debug/kmemleak contains an entry like this:
unreferenced object 0xf6788640 (size 64):
comm "modprobe", pid 1038, jiffies 4294676277 (age 7682.155s)
hex dump (first 32 bytes):
00 00 00 00 e8 a2 24 00 01 00 00 00 00 9f 24 00 ......$.......$.
02 00 00 00 00 6a 18 00 03 00 00 00 00 35 0c 00 .....j.......5..
backtrace:
[<c122f8f7>] kmemleak_alloc+0x27/0x50
[<c109cb6f>] __kmalloc+0xcf/0x110
[<f94f87de>] acpi_cpufreq_cpu_init+0x1ee/0x4e4 [acpi_cpufreq]
[<c11c3a72>] cpufreq_add_dev+0x142/0x3a0
[<c1187e27>] sysdev_driver_register+0x97/0x110
[<c11c2a06>] cpufreq_register_driver+0x86/0x140
[<f94fc080>] 0xf94fc080
[<c100112d>] do_one_initcall+0x2d/0x180
[<c105ef29>] sys_init_module+0x99/0x1e0
[<c1002d97>] sysenter_do_call+0x12/0x26
[<ffffffff>] 0xffffffff
What's interesting is that this entry only appears after the wakeup (and an
additional wait time of usually 20 minutes) however the "age" is from the boot
time of that system.
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* [Bug 16489] kmemleak after suspend2ram in cpufreq driver
2010-08-01 14:19 [Bug 16489] New: kmemleak after suspend2ram in cpufreq driver bugzilla-daemon
@ 2010-08-23 12:51 ` bugzilla-daemon
2010-09-23 21:30 ` bugzilla-daemon
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2010-08-23 12:51 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=16489
Toralf Förster <toralf.foerster@gmx.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Kernel Version|2.6.35-rc6+ |2.6.35.3
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* [Bug 16489] kmemleak after suspend2ram in cpufreq driver
2010-08-01 14:19 [Bug 16489] New: kmemleak after suspend2ram in cpufreq driver bugzilla-daemon
2010-08-23 12:51 ` [Bug 16489] " bugzilla-daemon
@ 2010-09-23 21:30 ` bugzilla-daemon
2010-09-23 21:30 ` bugzilla-daemon
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2010-09-23 21:30 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=16489
--- Comment #1 from Toralf Förster <toralf.foerster@gmx.de> 2010-09-23 21:30:25 ---
After s2ram and wakeup I got this BTW :
unreferenced object 0xe29f9d40 (size 64):
comm "default.sh", pid 15954, jiffies 1585745 (age 12642.714s)
hex dump (first 32 bytes):
00 00 00 00 e8 a2 24 00 01 00 00 00 00 9f 24 00 ......$.......$.
02 00 00 00 00 6a 18 00 03 00 00 00 00 35 0c 00 .....j.......5..
backtrace:
[<c122fb97>] kmemleak_alloc+0x27/0x50
[<c109caff>] __kmalloc+0xcf/0x110
[<f95a87de>] acpi_cpufreq_cpu_init+0x1ee/0x4e4 [acpi_cpufreq]
[<c11c3cb2>] cpufreq_add_dev+0x142/0x3a0
[<c123ba46>] cpufreq_cpu_callback+0x5b/0x65
[<c104c895>] notifier_call_chain+0x35/0x60
[<c104c9a9>] __raw_notifier_call_chain+0x19/0x20
[<c103459f>] __cpu_notify+0x1f/0x40
[<c123a7bd>] _cpu_up+0xc1/0xfe
[<c122eff7>] enable_nonboot_cpus+0x77/0xb0
[<c105ffec>] suspend_devices_and_enter+0xec/0x190
[<c106015a>] enter_state+0xca/0xe0
[<c105f97b>] state_store+0x6b/0xb0
[<c1124560>] kobj_attr_store+0x20/0x30
[<c10e79c4>] sysfs_write_file+0x94/0xf0
[<c10a28ea>] vfs_write+0x9a/0x190
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* [Bug 16489] kmemleak after suspend2ram in cpufreq driver
2010-08-01 14:19 [Bug 16489] New: kmemleak after suspend2ram in cpufreq driver bugzilla-daemon
2010-08-23 12:51 ` [Bug 16489] " bugzilla-daemon
2010-09-23 21:30 ` bugzilla-daemon
@ 2010-09-23 21:30 ` bugzilla-daemon
2010-09-28 20:30 ` bugzilla-daemon
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2010-09-23 21:30 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=16489
Toralf Förster <toralf.foerster@gmx.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Kernel Version|2.6.35.3 |2.6.35.5
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* [Bug 16489] kmemleak after suspend2ram in cpufreq driver
2010-08-01 14:19 [Bug 16489] New: kmemleak after suspend2ram in cpufreq driver bugzilla-daemon
` (2 preceding siblings ...)
2010-09-23 21:30 ` bugzilla-daemon
@ 2010-09-28 20:30 ` bugzilla-daemon
2010-10-03 20:21 ` bugzilla-daemon
2011-03-03 1:11 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2010-09-28 20:30 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=16489
Toralf Förster <toralf.foerster@gmx.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Kernel Version|2.6.35.5 |2.6.35.6
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* [Bug 16489] kmemleak after suspend2ram in cpufreq driver
2010-08-01 14:19 [Bug 16489] New: kmemleak after suspend2ram in cpufreq driver bugzilla-daemon
` (3 preceding siblings ...)
2010-09-28 20:30 ` bugzilla-daemon
@ 2010-10-03 20:21 ` bugzilla-daemon
2011-03-03 1:11 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2010-10-03 20:21 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=16489
Toralf Förster <toralf.foerster@gmx.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |DUPLICATE
--- Comment #2 from Toralf Förster <toralf.foerster@gmx.de> 2010-10-03 20:21:54 ---
*** This bug has been marked as a duplicate of bug 15807 ***
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* [Bug 16489] kmemleak after suspend2ram in cpufreq driver
2010-08-01 14:19 [Bug 16489] New: kmemleak after suspend2ram in cpufreq driver bugzilla-daemon
` (4 preceding siblings ...)
2010-10-03 20:21 ` bugzilla-daemon
@ 2011-03-03 1:11 ` bugzilla-daemon
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon @ 2011-03-03 1:11 UTC (permalink / raw)
To: cpufreq
https://bugzilla.kernel.org/show_bug.cgi?id=16489
Len Brown <lenb@kernel.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
CC| |lenb@kernel.org
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end of thread, other threads:[~2011-03-03 1:11 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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2010-08-01 14:19 [Bug 16489] New: kmemleak after suspend2ram in cpufreq driver bugzilla-daemon
2010-08-23 12:51 ` [Bug 16489] " bugzilla-daemon
2010-09-23 21:30 ` bugzilla-daemon
2010-09-23 21:30 ` bugzilla-daemon
2010-09-28 20:30 ` bugzilla-daemon
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