Re: [ANNOUNCE] 3.2-rc1-rt2
From: Yong Zhang
Date: Tue Nov 15 2011 - 03:41:13 EST
On Tue, Nov 15, 2011 at 02:15:52AM +0100, Thomas Gleixner wrote:
> Dear RT Folks,
>
> I'm pleased to announce the 3.2-rc1-rt2 release.
>
> Changes vs. 3.2-rc1-rt2:
>
> * Add missing softirq export (John Kacur)
>
> * Fix rcu macro substitution (John Kacur)
>
> * Fix device mapper BUG_ON (Reported by Luis Claudio)
>
> * Fix x86 aesni (crypto) preemption problem (Peter Zijlstra,
> reported by Carsten Emde)
>
> * Fix UP (tiny) RCU build issues (Reported by Tim Sanders)
Got below warning:
[ 8.459702] BUG: sleeping function called from invalid context at linux/kernel/rtmutex.c:645
[ 8.459705] in_atomic(): 1, irqs_disabled(): 0, pid: 1, name: swapper/0
[ 8.459707] 1 lock held by swapper/0/1:
[ 8.459708] #0: (&sig->cred_guard_mutex){+.+.+.}, at: [<ffffffff81154c45>] prepare_bprm_creds+0x35/0x80
[ 8.459717] Pid: 1, comm: swapper/0 Not tainted 3.2.0-rc1-rt2-11311-g3c4c0e7-dirty #10
[ 8.459718] Call Trace:
[ 8.459724] [<ffffffff81040c4e>] __might_sleep+0x12e/0x1e0
[ 8.459730] [<ffffffff815f4d74>] rt_spin_lock+0x24/0x60
[ 8.459735] [<ffffffff8114506e>] memcg_check_events+0x11e/0x230
[ 8.459739] [<ffffffff81146c5a>] T.1144+0x8a/0xf0
[ 8.459743] [<ffffffff81146d16>] __mem_cgroup_commit_charge_lrucare+0x56/0x180
[ 8.459747] [<ffffffff810430c9>] ? sub_preempt_count+0xa9/0xe0
[ 8.459751] [<ffffffff81147d08>] mem_cgroup_cache_charge+0xd8/0xe0
[ 8.459756] [<ffffffff81103a49>] add_to_page_cache_locked+0x49/0x100
[ 8.459760] [<ffffffff8110344f>] ? find_get_page+0xdf/0x1a0
[ 8.459764] [<ffffffff81103b22>] add_to_page_cache_lru+0x22/0x50
[ 8.459767] [<ffffffff81103ca5>] do_read_cache_page+0x75/0x1a0
[ 8.459774] [<ffffffff812695f0>] ? nfs_follow_link+0xc0/0xc0
[ 8.459777] [<ffffffff81103e1c>] read_cache_page_async+0x1c/0x20
[ 8.459781] [<ffffffff81103e2e>] read_cache_page+0xe/0x20
[ 8.459785] [<ffffffff81269589>] nfs_follow_link+0x59/0xc0
[ 8.459789] [<ffffffff8115de07>] path_openat+0x2a7/0x470
[ 8.459793] [<ffffffff8115e0e9>] do_filp_open+0x49/0xa0
[ 8.459798] [<ffffffff81155b22>] open_exec+0x32/0xf0
[ 8.459803] [<ffffffff811a3e0b>] load_elf_binary+0x85b/0x1d30
[ 8.459810] [<ffffffff81096d55>] ? __lock_acquire+0x4f5/0xbf0
[ 8.459816] [<ffffffff8100a819>] ? native_sched_clock+0x29/0x80
[ 8.459821] [<ffffffff8108429f>] ? local_clock+0x4f/0x60
[ 8.459824] [<ffffffff815f4658>] ? rt_spin_lock_slowunlock+0x78/0x80
[ 8.459828] [<ffffffff81091a39>] ? trace_hardirqs_off_caller+0x29/0x120
[ 8.459832] [<ffffffff8109119e>] ? put_lock_stats+0xe/0x40
[ 8.459836] [<ffffffff815f4658>] ? rt_spin_lock_slowunlock+0x78/0x80
[ 8.459840] [<ffffffff811a35b0>] ? elf_map+0x1d0/0x1d0
[ 8.459843] [<ffffffff810430c9>] ? sub_preempt_count+0xa9/0xe0
[ 8.459847] [<ffffffff811a35b0>] ? elf_map+0x1d0/0x1d0
[ 8.459850] [<ffffffff81154748>] search_binary_handler+0x1c8/0x4b0
[ 8.459854] [<ffffffff811545d7>] ? search_binary_handler+0x57/0x4b0
[ 8.459858] [<ffffffff81156876>] do_execve_common+0x276/0x330
[ 8.459862] [<ffffffff811569ba>] do_execve+0x3a/0x40
[ 8.459866] [<ffffffff8100bdca>] sys_execve+0x4a/0x80
[ 8.459871] [<ffffffff815f85e8>] kernel_execve+0x68/0xd0
[ 8.459877] [<ffffffff81000333>] ? run_init_process+0x23/0x30
[ 8.459881] [<ffffffff81000398>] init_post+0x58/0xd0
[ 8.459888] [<ffffffff81b5e6bd>] kernel_init+0x156/0x160
[ 8.459892] [<ffffffff815f8574>] kernel_thread_helper+0x4/0x10
[ 8.459896] [<ffffffff810423bc>] ? finish_task_switch+0x8c/0x110
[ 8.459900] [<ffffffff815f5bab>] ? _raw_spin_unlock_irq+0x3b/0x70
[ 8.459903] [<ffffffff815f5f61>] ? retint_restore_args+0xe/0xe
[ 8.459907] [<ffffffff81b5e567>] ? parse_early_options+0x20/0x20
[ 8.459911] [<ffffffff815f8570>] ? gs_change+0xb/0xb
Thanks,
Yong
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