I'm running v3.9-rc1 kernel on an ARM platform (i.MX28) with
arch/arm/mxs_defconfig and getting the following BUG warning.
Shawn
[ 5.681034] =====================================
[ 5.685885] [ BUG: swapper/1 still has locks held! ]
[ 5.690885] 3.9.0-rc1 #774 Not tainted
[ 5.694734] -------------------------------------
[ 5.699475] 2 locks held by swapper/1:
[ 5.703323] #0: (&sig->cred_guard_mutex){+.+.+.}, at: [<c00d20e0>]
prepare_bprm_creds+0x28/0x64
[ 5.712326] #1: (&type->i_mutex_dir_key){+.+.+.}, at: [<c00d5350>]
lookup_slow+0x2c/0xa0
[ 5.720966]
[ 5.720966] stack backtrace:
[ 5.725528] [<c0013c78>] (unwind_backtrace+0x0/0xf0) from [<c0426f94>]
(rpc_wait_bit_killable+0x94/0xb4)
[ 5.735184] [<c0426f94>] (rpc_wait_bit_killable+0x94/0xb4) from [<c044684c>]
(__wait_on_bit+0x74/0xb8)
[ 5.744645] [<c044684c>] (__wait_on_bit+0x74/0xb8) from [<c04468f4>]
(out_of_line_wait_on_bit+0x64/0x70)
[ 5.754278] [<c04468f4>] (out_of_line_wait_on_bit+0x64/0x70) from
[<c0427e38>] (__rpc_execute+0xf4/0x370)
[ 5.763991] [<c0427e38>] (__rpc_execute+0xf4/0x370) from [<c042124c>]
(rpc_run_task+0xa4/0xb0)
[ 5.772660] [<c042124c>] (rpc_run_task+0xa4/0xb0) from [<c0421350>]
(rpc_call_sync+0x40/0xac)
[ 5.781335] [<c0421350>] (rpc_call_sync+0x40/0xac) from [<c01c2e08>]
(nfs3_rpc_wrapper.constprop.6+0x58/0xdc)
[ 5.791406] [<c01c2e08>] (nfs3_rpc_wrapper.constprop.6+0x58/0xdc) from
[<c01c2fbc>] (nfs3_proc_lookup+0x88/0xf4)
[ 5.801751] [<c01c2fbc>] (nfs3_proc_lookup+0x88/0xf4) from [<c01b282c>]
(nfs_lookup+0xe8/0x18c)
[ 5.810659] [<c01b282c>] (nfs_lookup+0xe8/0x18c) from [<c00d49f8>]
(lookup_real+0x20/0x50)
[ 5.819097] [<c00d49f8>] (lookup_real+0x20/0x50) from [<c00d5314>]
(__lookup_hash+0x34/0x44)
[ 5.827696] [<c00d5314>] (__lookup_hash+0x34/0x44) from [<c00d5360>]
(lookup_slow+0x3c/0xa0)
[ 5.836297] [<c00d5360>] (lookup_slow+0x3c/0xa0) from [<c00d61bc>]
(link_path_walk+0x2a4/0x848)
[ 5.845144] [<c00d61bc>] (link_path_walk+0x2a4/0x848) from [<c00d9204>]
(path_openat+0x278/0x444)
[ 5.854176] [<c00d9204>] (path_openat+0x278/0x444) from [<c00d96cc>]
(do_filp_open+0x2c/0x80)
[ 5.862755] [<c00d96cc>] (do_filp_open+0x2c/0x80) from [<c00d12fc>]
(open_exec+0x30/0x10c)
[ 5.871166] [<c00d12fc>] (open_exec+0x30/0x10c) from [<c00d232c>]
(do_execve+0x1b8/0x4c4)
[ 5.879500] [<c00d232c>] (do_execve+0x1b8/0x4c4) from [<c0440b54>]
(kernel_init+0x80/0xe4)
[ 5.887963] [<c0440b54>] (kernel_init+0x80/0xe4) from [<c000e9c8>]
(ret_from_fork+0x14/0x2c)
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