From: Valdis.Kletnieks@vt.edu
To: Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: odd lockdep messages
Date: Mon, 08 Mar 2010 13:30:53 -0500 [thread overview]
Message-ID: <24605.1268073053@localhost> (raw)
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(Not sure when this started, just noticed it... Wasn't present in
2.6.33-rc7-mmotm0210, is in 2.6.33-mmotm0302 and -mmotm0304).
Seen in dmesg:
dmesg | grep -C 5 'BUG: key'
[ 0.978944] Monitor-Mwait will be used to enter C-1 state
[ 0.979944] Monitor-Mwait will be used to enter C-2 state
[ 0.980943] Monitor-Mwait will be used to enter C-3 state
[ 0.981056] Marking TSC unstable due to TSC halts in idle
[ 0.981298] Switching to clocksource hpet
[ 1.012163] BUG: key ffff88011efbf500 not in .data!
[ 1.012284] BUG: key ffff88011efbf548 not in .data!
[ 1.015935] thermal LNXTHERM:01: registered as thermal_zone0
[ 1.016070] ACPI: Thermal Zone [THM] (39 C)
[ 1.022610] Real Time Clock Driver v1.12b
[ 1.022955] Linux agpgart interface v0.103
[ 1.023342] Hangcheck: starting hangcheck timer 0.9.0 (tick is 180 seconds, margin is 60 seconds).
--
[ 1.876870] iwlagn 0000:0c:00.0: setting latency timer to 64
[ 1.876914] iwlagn 0000:0c:00.0: Detected Intel Wireless WiFi Link 5100AGN REV=0x54
[ 1.899041] iwlagn 0000:0c:00.0: Tunable channels: 13 802.11bg, 24 802.11a channels
[ 1.899170] iwlagn 0000:0c:00.0: irq 31 for MSI/MSI-X
[ 1.899467] iwlagn 0000:0c:00.0: firmware: requesting iwlwifi-5000-2.ucode
[ 1.899537] BUG: key ffff88011c57e670 not in .data!
[ 1.899629] console [netcon0] enabled
[ 1.899644] netconsole: network logging started
[ 1.899699] ohci1394 0000:03:01.1: PCI INT B -> GSI 17 (level, low) -> IRQ 17
[ 2.053034] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 2.052015] ohci1394: fw-host0: Set PHY Reg timeout [0xffffffff/0x00004000/100]
--
[ 10.518458] usb 5-1: Manufacturer: Broadcom Corp
[ 10.518460] usb 5-1: SerialNumber: 0123456789ABCD
[ 10.520315] usb 5-1: config 0 descriptor??
[ 10.586699] iwlagn 0000:0c:00.0: request for firmware file 'iwlwifi-5000-2.ucode' failed.
[ 10.586873] iwlagn 0000:0c:00.0: firmware: requesting iwlwifi-5000-1.ucode
[ 10.586962] BUG: key ffff88011c57e670 not in .data!
[ 10.594431] iwlagn 0000:0c:00.0: request for firmware file 'iwlwifi-5000-1.ucode' failed.
[ 10.594436] iwlagn 0000:0c:00.0: no suitable firmware found!
[ 10.594658] iwlagn 0000:0c:00.0: PCI INT A disabled
[ 10.611235] usb 1-4.1: new low speed USB device using ehci_hcd and address 5
[ 10.713441] usb 1-4.1: New USB device found, idVendor=045e, idProduct=0023
(-0302 threw BUG: 3 times, the first 2 and the last. In -0304, the third
one appears as well).
Worth instrumenting and chasing down? If so, what should a crash test dummy
be doing here? ;)
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next reply other threads:[~2010-03-08 18:33 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-08 18:30 Valdis.Kletnieks [this message]
2010-03-08 18:43 ` odd lockdep messages Peter Zijlstra
2010-03-08 20:00 ` Valdis.Kletnieks
2010-03-09 1:54 ` Tejun Heo
2010-03-09 6:27 ` Valdis.Kletnieks
2010-03-09 6:44 ` Tejun Heo
2010-03-09 8:51 ` Valdis.Kletnieks
2010-03-09 14:18 ` Greg KH
2010-03-09 9:12 ` [PATCH] percpu,lockdep: implement and use is_static_percpu_address() Tejun Heo
2010-03-09 11:25 ` Peter Zijlstra
2010-03-09 11:42 ` Tejun Heo
2010-03-09 11:46 ` Tejun Heo
2010-03-09 11:52 ` Peter Zijlstra
2010-03-10 9:56 ` [PATCH 1/2] module: encapsulate percpu handling better and record percpu_size Tejun Heo
2010-03-10 9:57 ` [PATCH 2/2] percpu,module: implement and use is_kernel/module_percpu_address() Tejun Heo
2010-03-10 10:42 ` Peter Zijlstra
2010-03-29 8:26 ` [PATCH 1/2] module: encapsulate percpu handling better and record percpu_size Rusty Russell
2010-03-29 14:12 ` Tejun Heo
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