http://bugzilla.kernel.org/show_bug.cgi?id=10924
------- Comment #6 from [EMAIL PROTECTED] 2008-06-17 03:41 -------
Seems like this is SLUB realted issue. I tested SLAB kernel and didn't get this
message. Instead i get this one:
[ 246.260071] BUG: sleeping function called from invalid context at
mm/slab.c:3052
[ 246.260074] in_atomic():1, irqs_disabled():0
[ 246.260078] 5 locks held by pm-suspend/4983:
[ 246.260080] #0: (&buffer->mutex){--..}, at: [<c01ac056>]
sysfs_write_file+0x25/0xe3
[ 246.260096] #1: (pm_mutex){--..}, at: [<c014635a>] enter_state+0x166/0x17d
[ 246.260102] #2: (cpu_add_remove_lock){--..}, at: [<c0141e83>]
cpu_maps_update_begin+0xf/0x11
[ 246.260109] #3: (&cpu_hotplug.lock){--..}, at: [<c0141ec7>]
cpu_hotplug_begin+0x1a/0x42
[ 246.260115] #4: (smp_alt){--..}, at: [<c0106f8c>]
alternatives_smp_switch+0x14c/0x165
[ 246.260124] Pid: 4983, comm: pm-suspend Not tainted
2.6.26-rc6-testing-00149-gc8988f9 #2
[ 246.260129] [<c0119c8d>] __might_sleep+0xe7/0xee
[ 246.260136] [<c0172011>] kmem_cache_alloc+0x27/0xd2
[ 246.260142] [<c0169e7c>] ? __get_vm_area_node+0x86/0x186
[ 246.260149] [<c0169e7c>] __get_vm_area_node+0x86/0x186
[ 246.260155] [<c0169ffc>] get_vm_area_caller+0x3e/0x43
[ 246.260160] [<c0358531>] ? text_poke+0x9e/0x11e
[ 246.260167] [<c016a437>] vmap+0x21/0x44
[ 246.260171] [<c0358531>] text_poke+0x9e/0x11e
[ 246.260176] [<c0101433>] ? sys_execve+0x37/0x4d
[ 246.260182] [<c0106d63>] alternatives_smp_unlock+0x41/0x50
[ 246.260188] [<c0106f58>] alternatives_smp_switch+0x118/0x165
[ 246.260193] [<c035b3c1>] ? _etext+0x0/0xf
[ 246.260198] [<c012173d>] ? printk+0x15/0x17
[ 246.260204] [<c010e232>] __cpu_die+0x42/0x69
[ 246.260210] [<c0347ad3>] _cpu_down+0x148/0x1f8
[ 246.260217] [<c0141fbd>] disable_nonboot_cpus+0x4a/0xc5
[ 246.260223] [<c014612b>] suspend_devices_and_enter+0x91/0x132
[ 246.260228] [<c0146315>] enter_state+0x121/0x17d
[ 246.260233] [<c0146407>] state_store+0x96/0xac
[ 246.260237] [<c0146371>] ? state_store+0x0/0xac
[ 246.260243] [<c01e76a5>] kobj_attr_store+0x1a/0x22
[ 246.260249] [<c01ac0e9>] sysfs_write_file+0xb8/0xe3
[ 246.260255] [<c01ac031>] ? sysfs_write_file+0x0/0xe3
[ 246.260260] [<c0175196>] vfs_write+0x8c/0x108
[ 246.260265] [<c01756f0>] sys_write+0x3b/0x60
[ 246.260271] [<c0102d4d>] sysenter_past_esp+0x6a/0xb1
[ 246.260277] =======================
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