From: Tilman Schmidt <tilman@imap.cc>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: Eric Piel <eric.piel@tremplin-utc.net>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, Thomas Renninger <trenn@suse.de>,
Len Brown <len.brown@intel.com>,
Linus Torvalds <torvalds@osdl.org>,
Christoph Hellwig <hch@infradead.org>,
Markus Gaugusch <dsdt@gaugusch.at>,
linux-acpi@vger.kernel.org, Al Viro <viro@ZenIV.linux.org.uk>,
Arjan van de Ven <arjanv@redhat.com>
Subject: Re: [2.6.25-rc5-mm1] BUG: spinlock bad magic early during boot
Date: Sat, 15 Mar 2008 13:47:52 +0100 [thread overview]
Message-ID: <47DBC578.7050101@imap.cc> (raw)
In-Reply-To: <1205537395.8167.31.camel@nimitz.home.sr71.net>
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Am 15.03.2008 00:29 schrieb Dave Hansen:
> Anyway, I'm sick of too much bitching and too little coding. Andrew,
> here's a patch for -mm that will at least shut up the spinlock warnings.
Sorry to say, it doesn't. That is, it does shut up the warning I
reported, but there's a new one appearing now instead, three lines
later. Here's the dmesg diff:
@@ -216,29 +216,30 @@
CPU0: Thermal monitoring enabled
Compat vDSO mapped to ffffe000.
Checking 'hlt' instruction... OK.
-BUG: spinlock bad magic on CPU#0, swapper/0
- lock: c2c19380, .magic: 00000000, .owner: swapper/0, .owner_cpu: 0
-Pid: 0, comm: swapper Not tainted 2.6.25-rc5-mm1-testing #2
- [<c01f728c>] spin_bug+0x7c/0x87
- [<c01f72b0>] _raw_spin_unlock+0x19/0x71
- [<c0301922>] _spin_unlock+0x1d/0x3c
- [<c01981aa>] mnt_want_write+0x62/0x88
- [<c018c382>] sys_mkdirat+0x86/0xd6
- [<c04260ab>] ? clean_path+0x16/0x4a
- [<c017fd6f>] ? kfree+0xd8/0xec
- [<c018c3e2>] sys_mkdir+0x10/0x12
- [<c0426353>] do_name+0x112/0x1b3
- [<c042558b>] write_buffer+0x1d/0x2c
- [<c04255fe>] flush_window+0x64/0xb3
- [<c04272f5>] unpack_to_rootfs+0x62c/0x8b9
- [<c04275a2>] populate_rootfs+0x20/0x109
- [<c0429ed2>] ? alternative_instructions+0x153/0x158
- [<c04248f5>] start_kernel+0x343/0x355
- [<c0424019>] i386_start_kernel+0x8/0xa
- =======================
Unpacking initramfs... done
-Freeing initrd memory: 8767k freed
+Freeing initrd memory: 8834k freed
ACPI: Core revision 20070126
+INFO: trying to register non-static key.
+the code is fine but needs lockdep annotation.
+turning off the locking correctness validator.
+Pid: 0, comm: swapper Not tainted 2.6.25-rc5-mm1-testing #3
+ [<c014321e>] __lock_acquire+0x144/0xb6e
+ [<c010b1a2>] ? native_sched_clock+0xe0/0xff
+ [<c017fc57>] ? kmem_cache_alloc+0x89/0xc9
+ [<c0142ce0>] ? trace_hardirqs_on+0xe8/0x11d
+ [<c014404f>] lock_acquire+0x6a/0x90
+ [<c013b460>] ? down_trylock+0xc/0x27
+ [<c03016cb>] _spin_lock_irqsave+0x42/0x72
+ [<c013b460>] ? down_trylock+0xc/0x27
+ [<c013b460>] down_trylock+0xc/0x27
+ [<c021fa65>] acpi_os_wait_semaphore+0x67/0x13d
+ [<c023a39e>] acpi_ut_acquire_mutex+0x65/0xcf
+ [<c0230261>] acpi_ns_root_initialize+0x1a/0x289
+ [<c043ad54>] acpi_initialize_subsystem+0x47/0x6a
+ [<c043afd4>] acpi_early_init+0x57/0xf8
+ [<c04248ff>] start_kernel+0x34d/0x35a
+ [<c0424019>] i386_start_kernel+0x8/0xa
+ =======================
ACPI: Checking initramfs for custom DSDT
Parsing all Control Methods:
Table [DSDT](id 0001) - 637 Objects with 63 Devices 160 Methods 41 Regions
HTH
T.
--
Tilman Schmidt E-Mail: tilman@imap.cc
Bonn, Germany
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next prev parent reply other threads:[~2008-03-15 12:47 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080311011434.ad8c8d7d.akpm@linux-foundation.org>
2008-03-12 1:14 ` 2.6.25-rc5-mm1 Dave Young
[not found] ` <47D87238.8080305@imap.cc>
[not found] ` <20080313183439.GA12798@suse.de>
2008-03-13 19:57 ` [2.6.25-rc5-mm1] WARNING: at drivers/base/sys.c:173 Dave Jones
[not found] ` <20080313195656.GA32463@codemonkey.org.uk>
2008-03-14 0:01 ` Tilman Schmidt
2008-03-14 0:44 ` Dave Jones
2008-03-14 0:57 ` Zhao Yakui
2008-03-14 9:58 ` Tilman Schmidt
2008-03-15 12:16 ` Tilman Schmidt
[not found] ` <47D86D43.2060108@imap.cc>
[not found] ` <1205441216.4971.65.camel@nimitz.home.sr71.net>
[not found] ` <47D9C853.3040701@imap.cc>
[not found] ` <1205517802.12763.18.camel@nimitz.home.sr71.net>
2008-03-14 20:06 ` [2.6.25-rc5-mm1] BUG: spinlock bad magic early during boot Dave Hansen
2008-03-14 20:20 ` Linus Torvalds
2008-03-14 20:51 ` Eric Piel
2008-03-14 21:35 ` Dave Hansen
2008-03-14 22:50 ` Eric Piel
2008-03-14 23:29 ` Dave Hansen
2008-03-15 12:47 ` Tilman Schmidt [this message]
2008-03-15 19:21 ` Linus Torvalds
2008-03-15 19:42 ` Éric Piel
2008-03-15 20:19 ` Linus Torvalds
2008-03-16 0:15 ` Éric Piel
2008-03-17 17:27 ` Len Brown
[not found] ` <1205858252.21619.233.camel@queen.suse.de>
2008-03-18 20:32 ` Len Brown
2008-03-20 14:28 ` Thomas Renninger
2008-03-17 17:59 ` Len Brown
2008-03-21 13:17 ` Pavel Machek
2008-03-23 16:00 ` Dave Hansen
2008-03-24 16:03 ` Pavel Machek
2008-03-24 17:05 ` Eric Piel
2008-03-24 17:19 ` Pavel Machek
2008-03-24 17:23 ` Dave Hansen
2008-03-27 9:23 ` Helge Hafting
2008-03-17 18:05 ` Len Brown
2008-03-16 20:11 ` Dave Hansen
2008-03-17 12:23 ` Peter Zijlstra
2008-03-19 23:50 ` Tilman Schmidt
2008-03-17 17:48 ` Len Brown
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