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8446f1d391
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Ingo Molnar 8446f1d391 [PATCH] detect soft lockups 
This patch adds a new kernel debug feature: CONFIG_DETECT_SOFTLOCKUP.

When enabled then per-CPU watchdog threads are started, which try to run
once per second.  If they get delayed for more than 10 seconds then a
callback from the timer interrupt detects this condition and prints out a
warning message and a stack dump (once per lockup incident).  The feature
is otherwise non-intrusive, it doesnt try to unlock the box in any way, it
only gets the debug info out, automatically, and on all CPUs affected by
the lockup.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07 16:57:17 -07:00
..
acorn [PATCH] ARM: switch fd1772.c from sleep_on to wait_event 2005-08-07 14:23:42 +01:00
acpi [PATCH] acpi_shutdown: Only prepare for power off on power_off 2005-08-27 10:11:40 -07:00
atm [ATM]: Fix dereference of uninitialized pointer in zatm 2005-09-02 12:18:03 -07:00
base [PATCH] klist: fix klist to have the same klist_add semantics as list_head 2005-09-05 16:03:13 -07:00
block Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild 2005-09-06 00:35:51 -07:00
bluetooth [Bluetooth]: Move packet type into the SKB control buffer 2005-08-29 15:55:13 -07:00
cdrom [PATCH] Make MODULE_DEVICE_TABLE work for vio devices 2005-08-30 13:31:56 +10:00
char [SPARC64]: Kconfig fix (GEN_RTC dependencies) 2005-09-05 23:35:41 -07:00
cpufreq Here are two possible cleanups in cpufreq.c: 2005-07-28 09:43:56 -07:00
crypto [CRYPTO] Update IV correctly for Padlock CBC encryption 2005-07-06 13:54:09 -07:00
dio [PATCH] Driver Core: drivers/base - drivers/i2c/chips/adm1026.c: update device attribute callbacks 2005-06-20 15:15:32 -07:00
eisa [PATCH] Driver Core: drivers/base - drivers/i2c/chips/adm1026.c: update device attribute callbacks 2005-06-20 15:15:32 -07:00
fc4 [SCSI] fc4 warning fix 2005-07-30 09:47:53 -05:00
firmware [PATCH] PCDP: if PCDP contains parity information, use it 2005-07-28 08:39:02 -07:00
hwmon [PATCH] hwmon: (3/3) pc87360 driver update 2005-09-05 09:26:55 -07:00
i2c [PATCH] I2C: Fix sgi_xfer return value 2005-09-05 09:26:54 -07:00
ide [PATCH] swsusp: prevent disks from spinning down and up 2005-09-05 00:06:16 -07:00
ieee1394 [PATCH] I2C: Drop debug eeprom dump code in pcilynx 2005-09-05 09:26:52 -07:00
infiniband [PATCH] IB: move include files to include/rdma 2005-08-26 20:37:38 -07:00
input [PATCH] mips: kludge envdev to build for 64-bit MIPS with 32-bit compat 2005-09-05 00:06:08 -07:00
isdn [NET]: Remove explicit initializations of skb->input_dev 2005-08-29 15:33:26 -07:00
macintosh [PATCH] swsusp: switch pm_message_t to struct 2005-09-05 00:06:16 -07:00
mca [PATCH] unexport mca_find_device_by_slot 2005-06-25 16:24:56 -07:00
md [CRYPTO]: Use CRYPTO_TFM_REQ_MAY_SLEEP where appropriate 2005-09-01 17:43:25 -07:00
media [PATCH] I2C: Drop I2C_DEVNAME and i2c_clientname 2005-09-05 09:14:35 -07:00
message [PATCH] I2O: added pci_request_regions() before using the controller 2005-08-09 17:59:52 -07:00
mfd [MFD] Add SA11x0 MCP platform device support 2005-08-18 10:10:46 +01:00
misc [ARM] 2866/1: add i.MX set_mctrl / get_mctrl functions 2005-08-31 21:48:47 +01:00
mmc [MMC] support for mmc chip select in wbsd 2005-09-03 16:45:49 +01:00
mtd [PATCH] detect soft lockups 2005-09-07 16:57:17 -07:00
net [PATCH] 3c59x PM fixes 2005-09-07 16:57:16 -07:00
nubus
oprofile [PATCH] clean up inline static vs static inline 2005-07-27 16:26:20 -07:00
parisc [PATCH] acpi bridge hotadd: ACPI based root bridge hot-add 2005-06-27 21:52:39 -07:00
parport Merge HEAD from master.kernel.org:/home/rmk/linux-2.6-serial.git 2005-08-29 10:34:59 -07:00
pci [PATCH] x86/x86_64: deferred handling of writes to /proc/irqxx/smp_affinity 2005-09-07 16:57:15 -07:00
pcmcia [ARM] 2882/1: pxa2xx_sharpsl: Update PCMCIA driver to support variety of new hardware 2005-09-05 20:49:54 +01:00
pnp [PATCH] broken error path in drivers/pnp/card.c 2005-08-18 08:43:59 -07:00
s390 [PATCH] s390: disconnected 3270 console 2005-09-05 00:06:29 -07:00
sbus [SPARC64]: Use drivers/Kconfig 2005-08-30 21:46:19 -07:00
scsi Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev 2005-09-05 05:50:36 -07:00
serial [SUNSU]: Compile fixes. 2005-09-05 23:35:05 -07:00
sh [PATCH] Driver Core: drivers/s390/net/qeth_sys.c - drivers/usb/gadget/pxa2xx_udc.c: update device attribute callbacks 2005-06-20 15:15:35 -07:00
sn [PATCH] ioc4: PCI bus speed detection 2005-06-21 18:46:32 -07:00
tc
telephony [PATCH] pcmcia: remove references to pcmcia/version.h 2005-07-07 18:24:07 -07:00
usb Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6 2005-09-06 00:32:12 -07:00
video [PATCH] I2C: Kill i2c_algorithm.id (6/7) 2005-09-05 09:14:32 -07:00
w1 [NETLINK]: Add "groups" argument to netlink_kernel_create 2005-08-29 16:01:11 -07:00
zorro [PATCH] Driver Core: drivers/usb/input/aiptek.c - drivers/zorro/zorro-sysfs.c: update device attribute callbacks 2005-06-20 15:15:35 -07:00
Kconfig [MFD] Add multimedia communication port core support 2005-08-18 10:06:59 +01:00
Makefile [MFD] Add multimedia communication port core support 2005-08-18 10:06:59 +01:00