From: Borislav Petkov <bp@alien8.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: Linux 3.3-rc6
Date: Wed, 7 Mar 2012 11:32:27 +0100 [thread overview]
Message-ID: <20120307103227.GA5237@x1.osrc.amd.com> (raw)
In-Reply-To: <CA+55aFxHj-7fQ0+yJv4WaeKCGha5+a+J=gtHi6m6EWg58q7Ljw@mail.gmail.com>
On Sat, Mar 03, 2012 at 06:57:31PM -0800, Linus Torvalds wrote:
> Hmm. Nothing much to say about this -rc: it really is all small fixes
> and cleanups.
>
> In fact, it's been calm enough that this *might* be the last -rc, but
> we'll see how the upcoming week goes. If it stays calm (and hopefully
> even calms down some more), there doesn't seem to be any major reason
> to drag out the release cycle any more.
>
> But hey, that does imply that people who have seen regressions should
> re-check them and holler loudly if they are still seeing problems.
Just a couple of warnings, just saw them when booted
3.3.0-rc6-00104-gf3969bf78f14 yesterday on this box. I'm ccing Paul for
the first two, there's a fix already for the last one, I'm sending it to
Ingo.
Thanks.
...
[ 0.027998] Performance Events: AMD PMU driver.
[ 0.027998] ... version: 0
[ 0.027998] ... bit width: 48
[ 0.027998] ... generic registers: 4
[ 0.027998] ... value mask: 0000ffffffffffff
[ 0.027998] ... max period: 00007fffffffffff
[ 0.027998] ... fixed-purpose events: 0
[ 0.028000] ... event mask: 000000000000000f
[ 0.028240] System has AMD C1E enabled
[ 0.028257] ------------[ cut here ]------------
[ 0.028263] WARNING: at include/linux/rcupdate.h:242 __atomic_notifier_call_chain+0x4d/0xe9()
[ 0.028265] Hardware name: System Product Name
[ 0.028266] Modules linked in:
[ 0.028269] Pid: 0, comm: swapper/0 Not tainted 3.3.0-rc6-00104-gf3969bf78f14 #1
[ 0.028270] Call Trace:
[ 0.028274] [<ffffffff81029d88>] warn_slowpath_common+0x83/0x9b
[ 0.028277] [<ffffffff81029dba>] warn_slowpath_null+0x1a/0x1c
[ 0.028280] [<ffffffff8104ff24>] __atomic_notifier_call_chain+0x4d/0xe9
[ 0.028282] [<ffffffff8104ffd4>] atomic_notifier_call_chain+0x14/0x16
[ 0.028285] [<ffffffff8122bfbd>] notify_write+0x29/0x2b
[ 0.028288] [<ffffffff8122eeff>] vt_console_print+0x243/0x2fe
[ 0.028291] [<ffffffff8102a029>] __call_console_drivers+0x77/0x89
[ 0.028294] [<ffffffff8102a212>] _call_console_drivers+0x5c/0x60
[ 0.028296] [<ffffffff8102a58a>] console_unlock+0x118/0x212
[ 0.028298] [<ffffffff8102ab3e>] vprintk+0x3be/0x403
[ 0.028302] [<ffffffff8108d13e>] ? rcu_idle_enter_common.isra.31+0x336/0x37b
[ 0.028305] [<ffffffff813df15e>] printk+0x41/0x43
[ 0.028307] [<ffffffff8108d1c8>] ? rcu_idle_enter+0x45/0x53
[ 0.028309] [<ffffffff8108d1c8>] ? rcu_idle_enter+0x45/0x53
[ 0.028312] [<ffffffff81009d77>] amd_e400_idle+0x6c/0xe7
[ 0.028315] [<ffffffff81000801>] cpu_idle+0x6c/0xc8
[ 0.028318] [<ffffffff813cce40>] rest_init+0x124/0x12b
[ 0.028319] [<ffffffff813ccd86>] ? rest_init+0x6a/0x12b
[ 0.028323] [<ffffffff81857a18>] start_kernel+0x2d5/0x2e2
[ 0.028325] [<ffffffff8185726e>] x86_64_start_reservations+0x7e/0x82
[ 0.028327] [<ffffffff81857362>] x86_64_start_kernel+0xf0/0xf7
[ 0.028333] ---[ end trace 4eaa2a86a8e2da22 ]---
[ 0.028334] ------------[ cut here ]------------
[ 0.028336] WARNING: at include/linux/rcupdate.h:248 __atomic_notifier_call_chain+0xb4/0xe9()
[ 0.028337] Hardware name: System Product Name
[ 0.028338] Modules linked in:
[ 0.028341] Pid: 0, comm: swapper/0 Tainted: G W 3.3.0-rc6-00104-gf3969bf78f14 #1
[ 0.028342] Call Trace:
[ 0.028344] [<ffffffff81029d88>] warn_slowpath_common+0x83/0x9b
[ 0.028347] [<ffffffff81029dba>] warn_slowpath_null+0x1a/0x1c
[ 0.028349] [<ffffffff8104ff8b>] __atomic_notifier_call_chain+0xb4/0xe9
[ 0.028352] [<ffffffff8104ff2b>] ? __atomic_notifier_call_chain+0x54/0xe9
[ 0.028354] [<ffffffff8104ffd4>] atomic_notifier_call_chain+0x14/0x16
[ 0.028356] [<ffffffff8122bfbd>] notify_write+0x29/0x2b
[ 0.028359] [<ffffffff8122eeff>] vt_console_print+0x243/0x2fe
[ 0.028361] [<ffffffff8102a029>] __call_console_drivers+0x77/0x89
[ 0.028364] [<ffffffff8102a212>] _call_console_drivers+0x5c/0x60
[ 0.028367] [<ffffffff8102a58a>] console_unlock+0x118/0x212
[ 0.028369] [<ffffffff8102ab3e>] vprintk+0x3be/0x403
[ 0.028371] [<ffffffff8108d13e>] ? rcu_idle_enter_common.isra.31+0x336/0x37b
[ 0.028374] [<ffffffff813df15e>] printk+0x41/0x43
[ 0.028376] [<ffffffff8108d1c8>] ? rcu_idle_enter+0x45/0x53
[ 0.028378] [<ffffffff8108d1c8>] ? rcu_idle_enter+0x45/0x53
[ 0.028380] [<ffffffff81009d77>] amd_e400_idle+0x6c/0xe7
[ 0.028382] [<ffffffff81000801>] cpu_idle+0x6c/0xc8
[ 0.028384] [<ffffffff813cce40>] rest_init+0x124/0x12b
[ 0.028386] [<ffffffff813ccd86>] ? rest_init+0x6a/0x12b
[ 0.028388] [<ffffffff81857a18>] start_kernel+0x2d5/0x2e2
[ 0.028391] [<ffffffff8185726e>] x86_64_start_reservations+0x7e/0x82
[ 0.028393] [<ffffffff81857362>] x86_64_start_kernel+0xf0/0xf7
[ 0.028394] ---[ end trace 4eaa2a86a8e2da23 ]---
[ 0.028998] Switch to broadcast mode on CPU0
[ 0.035099] MCE: In-kernel MCE decoding enabled.
[ 0.036006]
[ 0.036144] ===============================
[ 0.036283] [ INFO: suspicious RCU usage. ]
[ 0.036425] 3.3.0-rc6-00104-gf3969bf78f14 #1 Tainted: G W
[ 0.036568] -------------------------------
[ 0.036708] arch/x86/kernel/cpu/mcheck/mce.c:194 suspicious rcu_dereference_index_check() usage!
[ 0.036998]
[ 0.036999] other info that might help us debug this:
[ 0.037000]
[ 0.037412]
[ 0.037412] rcu_scheduler_active = 1, debug_locks = 0
[ 0.037689] no locks held by swapper/0/1.
[ 0.037828]
[ 0.037829] stack backtrace:
[ 0.037999] Pid: 1, comm: swapper/0 Tainted: G W 3.3.0-rc6-00104-gf3969bf78f14 #1
[ 0.038245] Call Trace:
[ 0.039003] [<ffffffff810723a1>] lockdep_rcu_suspicious+0xd8/0xe1
[ 0.039148] [<ffffffff81877cc3>] ? thermal_init+0x8b/0x8b
[ 0.039292] [<ffffffff81014aa2>] mce_register_decode_chain+0xa4/0x179
[ 0.039435] [<ffffffff81877cc3>] ? thermal_init+0x8b/0x8b
[ 0.039578] [<ffffffff81877e16>] mce_amd_init+0x153/0x157
[ 0.039721] [<ffffffff8100020f>] do_one_initcall+0x7f/0x134
[ 0.039864] [<ffffffff81857a7e>] kernel_init+0x59/0x114
[ 0.040000] [<ffffffff813e99a4>] kernel_thread_helper+0x4/0x10
[ 0.040144] [<ffffffff8105a893>] ? local_clock+0xf/0x3b
[ 0.040286] [<ffffffff8105446e>] ? finish_task_switch+0x88/0xee
[ 0.040429] [<ffffffff813e7a84>] ? _raw_spin_unlock_irq+0x38/0x55
[ 0.040572] [<ffffffff813e7ee1>] ? retint_restore_args+0xe/0xe
[ 0.040715] [<ffffffff81857a25>] ? start_kernel+0x2e2/0x2e2
[ 0.040857] [<ffffffff813e99a0>] ? gs_change+0xb/0xb
[ 0.045018] lockdep: fixing up alternatives.
[ 0.048040] Booting Node 0, Processors #1
[ 0.048118] smpboot cpu 1: start_ip = 9a000
[ 0.061016] Switch to broadcast mode on CPU1
[ 0.065027] lockdep: fixing up alternatives.
[ 0.066014] #2
[ 0.066051] smpboot cpu 2: start_ip = 9a000
[ 0.078017] Switch to broadcast mode on CPU2
[ 0.082029] lockdep: fixing up alternatives.
[ 0.083016] #3 Ok.
[ 0.083154] smpboot cpu 3: start_ip = 9a000
[ 0.095022] Brought up 4 CPUs
...
--
Regards/Gruss,
Boris.
next prev parent reply other threads:[~2012-03-07 10:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-04 2:57 Linux 3.3-rc6 Linus Torvalds
2012-03-04 6:45 ` Stephen Rothwell
2012-03-07 10:32 ` Borislav Petkov [this message]
2012-03-07 12:11 ` Borislav Petkov
2012-03-08 21:18 ` Paul E. McKenney
2012-03-10 15:16 ` Borislav Petkov
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