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Subjectkmemleak reporting
Hi,

With kmemleak I got following leaking info. 2.6.31-rc5 with Johannes Weiner's patch applied for the vc_resize leaking issue.

[patch] fbcon: don't use vc_resize() on initialization

unreferenced object 0xf71aa0c0 (size 64):
comm "swapper", pid 1, jiffies 4294877648
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094323>] __kmalloc+0x15d/0x183
[<c11593d1>] kzalloc+0xb/0xd
[<c11599c9>] acpi_add_single_object+0x58b/0xddb
[<c115a3ed>] acpi_bus_scan+0xff/0x170
[<c157c92f>] acpi_scan_init+0xb7/0xdc
[<c157c7f8>] acpi_init+0x218/0x25e
[<c1001137>] do_one_initcall+0x4a/0x11a
[<c155f530>] kernel_init+0x124/0x175
[<c1003dc7>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xf71aa280 (size 64):
comm "swapper", pid 1, jiffies 4294877650
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094323>] __kmalloc+0x15d/0x183
[<c11593d1>] kzalloc+0xb/0xd
[<c11599c9>] acpi_add_single_object+0x58b/0xddb
[<c115a3ed>] acpi_bus_scan+0xff/0x170
[<c157c92f>] acpi_scan_init+0xb7/0xdc
[<c157c7f8>] acpi_init+0x218/0x25e
[<c1001137>] do_one_initcall+0x4a/0x11a
[<c155f530>] kernel_init+0x124/0x175
[<c1003dc7>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xf71aaec0 (size 64):
comm "swapper", pid 1, jiffies 4294877652
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094323>] __kmalloc+0x15d/0x183
[<c11593d1>] kzalloc+0xb/0xd
[<c11599c9>] acpi_add_single_object+0x58b/0xddb
[<c115a3ed>] acpi_bus_scan+0xff/0x170
[<c157c92f>] acpi_scan_init+0xb7/0xdc
[<c157c7f8>] acpi_init+0x218/0x25e
[<c1001137>] do_one_initcall+0x4a/0x11a
[<c155f530>] kernel_init+0x124/0x175
[<c1003dc7>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xf6639100 (size 64):
comm "swapper", pid 1, jiffies 4294878947
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094323>] __kmalloc+0x15d/0x183
[<c100fff6>] acpi_cpufreq_cpu_init+0x211/0x54b
[<c1288664>] cpufreq_add_dev+0x1b9/0x648
[<c11d6566>] sysdev_driver_register+0x96/0xe5
[<c1288d15>] cpufreq_register_driver+0xa1/0x168
[<c1567e20>] acpi_cpufreq_init+0xad/0xbf
[<c1001137>] do_one_initcall+0x4a/0x11a
[<c155f530>] kernel_init+0x124/0x175
[<c1003dc7>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
unreferenced object 0xf45eb280 (size 64):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094323>] __kmalloc+0x15d/0x183
[<c100fff6>] acpi_cpufreq_cpu_init+0x211/0x54b
[<c1288664>] cpufreq_add_dev+0x1b9/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ecd1>] __raw_notifier_call_chain+0xe/0x10
[<c103ecdf>] raw_notifier_call_chain+0xc/0xe
[<c133713a>] _cpu_up+0xbe/0xf3
[<c13238be>] enable_nonboot_cpus+0x37/0x83
[<c1052aa4>] suspend_devices_and_enter+0x122/0x17f
[<c1052bde>] enter_state+0xdd/0x11e
[<c10523f0>] state_store+0x96/0xac
[<c112c014>] kobj_attr_store+0x1a/0x22
unreferenced object 0xc02ee448 (size 8):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094efd>] __kmalloc_track_caller+0x15b/0x181
[<c107f629>] kstrdup+0x2a/0x4c
[<c10d9044>] sysfs_new_dirent+0x28/0xd8
[<c10d941d>] create_dir+0x24/0x68
[<c10d948e>] sysfs_create_dir+0x2d/0x41
[<c112c332>] kobject_add_internal+0xb3/0x157
[<c112c48f>] kobject_add_varg+0x35/0x41
[<c112c4c1>] kobject_init_and_add+0x26/0x28
[<c1288836>] cpufreq_add_dev+0x38b/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ecd1>] __raw_notifier_call_chain+0xe/0x10
[<c103ecdf>] raw_notifier_call_chain+0xc/0xe
unreferenced object 0xe5b06900 (size 48):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094008>] kmem_cache_alloc+0xed/0x13a
[<c10d9062>] sysfs_new_dirent+0x46/0xd8
[<c10d941d>] create_dir+0x24/0x68
[<c10d948e>] sysfs_create_dir+0x2d/0x41
[<c112c332>] kobject_add_internal+0xb3/0x157
[<c112c48f>] kobject_add_varg+0x35/0x41
[<c112c4c1>] kobject_init_and_add+0x26/0x28
[<c1288836>] cpufreq_add_dev+0x38b/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ecd1>] __raw_notifier_call_chain+0xe/0x10
[<c103ecdf>] raw_notifier_call_chain+0xc/0xe
[<c133713a>] _cpu_up+0xbe/0xf3
unreferenced object 0xc02ee450 (size 8):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094efd>] __kmalloc_track_caller+0x15b/0x181
[<c107f629>] kstrdup+0x2a/0x4c
[<c10d9044>] sysfs_new_dirent+0x28/0xd8
[<c10d941d>] create_dir+0x24/0x68
[<c10d94b3>] sysfs_create_subdir+0x11/0x16
[<c10da536>] internal_create_group+0x3a/0x11a
[<c10da633>] sysfs_create_group+0xc/0x11
[<c12894de>] cpufreq_stat_notifier_policy+0x8f/0x195
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ee33>] __blocking_notifier_call_chain+0x37/0x4c
[<c103ee54>] blocking_notifier_call_chain+0xc/0xe
[<c12879d3>] __cpufreq_set_policy+0xb1/0x1c3
[<c12889d1>] cpufreq_add_dev+0x526/0x648
unreferenced object 0xe5b06bd0 (size 48):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094008>] kmem_cache_alloc+0xed/0x13a
[<c10d9062>] sysfs_new_dirent+0x46/0xd8
[<c10d941d>] create_dir+0x24/0x68
[<c10d94b3>] sysfs_create_subdir+0x11/0x16
[<c10da536>] internal_create_group+0x3a/0x11a
[<c10da633>] sysfs_create_group+0xc/0x11
[<c12894de>] cpufreq_stat_notifier_policy+0x8f/0x195
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ee33>] __blocking_notifier_call_chain+0x37/0x4c
[<c103ee54>] blocking_notifier_call_chain+0xc/0xe
[<c12879d3>] __cpufreq_set_policy+0xb1/0x1c3
[<c12889d1>] cpufreq_add_dev+0x526/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
unreferenced object 0xe5b06c00 (size 48):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094008>] kmem_cache_alloc+0xed/0x13a
[<c10d9062>] sysfs_new_dirent+0x46/0xd8
[<c10d8883>] sysfs_add_file_mode+0x2a/0x67
[<c10da5b4>] internal_create_group+0xb8/0x11a
[<c10da633>] sysfs_create_group+0xc/0x11
[<c12894de>] cpufreq_stat_notifier_policy+0x8f/0x195
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ee33>] __blocking_notifier_call_chain+0x37/0x4c
[<c103ee54>] blocking_notifier_call_chain+0xc/0xe
[<c12879d3>] __cpufreq_set_policy+0xb1/0x1c3
[<c12889d1>] cpufreq_add_dev+0x526/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
unreferenced object 0xe5b06c30 (size 48):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094008>] kmem_cache_alloc+0xed/0x13a
[<c10d9062>] sysfs_new_dirent+0x46/0xd8
[<c10d8883>] sysfs_add_file_mode+0x2a/0x67
[<c10da5b4>] internal_create_group+0xb8/0x11a
[<c10da633>] sysfs_create_group+0xc/0x11
[<c12894de>] cpufreq_stat_notifier_policy+0x8f/0x195
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ee33>] __blocking_notifier_call_chain+0x37/0x4c
[<c103ee54>] blocking_notifier_call_chain+0xc/0xe
[<c12879d3>] __cpufreq_set_policy+0xb1/0x1c3
[<c12889d1>] cpufreq_add_dev+0x526/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
unreferenced object 0xe5b06c60 (size 48):
comm "pm-suspend", pid 2038, jiffies 372178
backtrace:
[<c1097f31>] create_object+0x140/0x210
[<c1098026>] kmemleak_alloc+0x25/0x49
[<c10935e0>] kmemleak_alloc_recursive+0x11/0x14
[<c1094008>] kmem_cache_alloc+0xed/0x13a
[<c10d9062>] sysfs_new_dirent+0x46/0xd8
[<c10d8883>] sysfs_add_file_mode+0x2a/0x67
[<c10da5b4>] internal_create_group+0xb8/0x11a
[<c10da633>] sysfs_create_group+0xc/0x11
[<c12894de>] cpufreq_stat_notifier_policy+0x8f/0x195
[<c133c6a4>] notifier_call_chain+0x2b/0x4a
[<c103ee33>] __blocking_notifier_call_chain+0x37/0x4c
[<c103ee54>] blocking_notifier_call_chain+0xc/0xe
[<c12879d3>] __cpufreq_set_policy+0xb1/0x1c3
[<c12889d1>] cpufreq_add_dev+0x526/0x648
[<c13389dc>] cpufreq_cpu_callback+0x5b/0x65
[<c133c6a4>] notifier_call_chain+0x2b/0x4a

--
Regards
dave


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