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linux/drivers/acpi
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Jonathan Nieder dc332fdf9f ACPI / PM: Leave Bus Master Arbitration enabled for suspend/resume 
This is an old suspend/resume lockup fix:

	commit 2780cc4660e1
	Author: Len Brown <len.brown@intel.com>
	Date:   Thu Dec 23 13:43:30 2004 -0500

	    [ACPI] Fix suspend/resume lockup issue
	    by leaving Bus Master Arbitration enabled.
	    The ACPI spec mandates it be disabled only for C3.

	    http://bugzilla.kernel.org/show_bug.cgi?id=3599

	    Signed-off-by: David Shaohua Li <shaohua.li@intel.com>
	    Signed-off-by: Len Brown <len.brown@intel.com>

The bug snuck back in in commit 2feec47d4c (ACPICA: ACPI 5: Support
for new FADT SleepStatus, SleepControl registers, 2012-02-14),
presumably by copy/pasting a copy of the code without that fix for the
legacy case.

On affected machines, after that commit, the machine locks up hard on
resume from suspend.  The same fix as seven years ago still works.

Addresses <https://bugzilla.kernel.org/show_bug.cgi?id=43641>.

Reported-bisected-and-tested-by: Octavio Alvarez <alvarezp@alvarezp.com>
Reported-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-07-10 21:50:59 +02:00
..
acpica ACPI / PM: Leave Bus Master Arbitration enabled for suspend/resume 2012-07-10 21:50:59 +02:00
apei ACPI, APEI, Avoid too much error reporting in runtime 2012-06-12 00:17:18 -04:00
ac.c treewide: fix potentially dangerous trailing ';' in #defined values/expressions 2011-07-21 14:10:00 +02:00
acpi_ipmi.c IPMI/ACPI: Add the IPMI opregion driver to enable ACPI to access BMC controller 2010-12-14 00:22:14 -05:00
acpi_memhotplug.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
acpi_pad.c acpi_pad: fix power_saving thread deadlock 2012-06-30 00:51:13 -04:00
battery.c ACPI battery: only refresh the sysfs files when pertinent information changes 2012-05-08 01:49:57 -04:00
bgrt.c acpi, bgrd: Add missing <linux/io.h> to drivers/acpi/bgrt.c 2012-05-17 07:18:26 -07:00
blacklist.c acpi: delete module.h include from files explicitly not needing it 2011-10-31 19:30:33 -04:00
bus.c ACPI / PM: Make __acpi_bus_get_power() cover D3cold correctly 2012-05-29 21:20:24 +02:00
button.c ACPI button: remove unused procfs I/F 2011-03-22 23:20:35 -04:00
cm_sbs.c
container.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
custom_method.c ACPI: Split out custom_method functionality into an own driver 2011-05-29 01:50:40 -04:00
debugfs.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
dock.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
ec_sys.c simple_open: automatically convert to simple_open() 2012-04-05 15:25:50 -07:00
ec.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-03-30 16:45:39 -07:00
event.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
fan.c ACPI: constify ops structs 2011-07-16 18:36:17 -04:00
glue.c ACPI: Add stubs for (un)register_acpi_bus_type 2012-05-11 17:03:12 -07:00
hed.c ACPI Hardware Error Device (PNP0C33) support 2010-05-19 22:40:24 -04:00
internal.h ACPI: Cleanup custom_method debug stuff 2011-05-29 01:50:04 -04:00
Kconfig drivers: acpi: Fix dependency for ACPI_HOTPLUG_CPU 2012-06-04 00:07:33 -04:00
Makefile ACPI: Add support for exposing BGRT data 2012-03-30 04:09:24 -04:00
numa.c ACPI: Store SRAT table revision 2012-01-17 04:19:04 -05:00
nvs.c ACPI / PM: print physical addresses consistently with other parts of kernel 2012-03-30 02:46:57 -04:00
osl.c Revert "ACPI: Make ACPI interrupt threaded" 2012-04-18 10:16:27 -07:00
pci_bind.c
pci_irq.c PCI/PM/Runtime: make PCI traces quieter 2012-01-06 12:11:16 -08:00
pci_link.c acpi: use KERN_CONT in printk() continuation lines 2012-05-08 08:55:26 -07:00
pci_root.c PCI: Rework ASPM disable code 2012-01-06 12:10:26 -08:00
pci_slot.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
power.c ACPI / PM: Make __acpi_bus_get_power() cover D3cold correctly 2012-05-29 21:20:24 +02:00
proc.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
processor_core.c ACPI: processor: fix acpi_get_cpuid for UP processor 2012-01-17 05:25:08 -05:00
processor_driver.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-03-30 16:45:39 -07:00
processor_idle.c PM / ACPI: Fix suspend/resume regression caused by cpuidle cleanup. 2012-06-27 20:18:53 +02:00
processor_perflib.c ACPI: Ignore invalid _PSS entries, but use valid ones 2012-05-08 01:56:37 -04:00
processor_thermal.c ACPI: Do cpufreq clamping for throttling per package v2 2012-03-22 02:16:14 -04:00
processor_throttling.c ACPI throttling: fix endian bug in acpi_read_throttling_status() 2012-03-30 16:06:12 -04:00
reboot.c Revert "ACPI: ignore FADT reset-reg-sup flag" 2012-04-20 11:19:35 -07:00
sbs.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2011-08-02 21:17:02 -10:00
sbshc.c acpi: add module.h to files implicitly using/relying on it. 2011-10-31 19:30:32 -04:00
sbshc.h
scan.c ACPI / PM: Generate wakeup events on fixed power button 2012-05-29 21:20:23 +02:00
sleep.c Merge branches 'bugfix-battery', 'bugfix-misc', 'bugfix-rafael', 'bugfix-turbostat', 'bugfix-video' and 'workaround-pss' into release 2012-06-04 00:48:41 -04:00
sleep.h ACPI: static sleep_states[] and acpi_gts_bfs_check 2010-10-19 13:44:37 -04:00
sysfs.c ACPI sysfs.c strlen fix 2012-06-05 00:02:05 -04:00
tables.c ACPI: delete the "acpi=ht" boot option 2010-03-14 20:58:38 -04:00
thermal.c ACPI: Evaluate thermal trip points before reading temperature 2012-03-30 02:38:31 -04:00
utils.c ACPI: Add _PLD support 2012-05-11 17:03:12 -07:00
video_detect.c platform/x86: drop deprecated asus_acpi driver 2012-03-20 12:02:18 -04:00
video.c Merge branches 'acpi_pad-bugzilla-42981', 'apei-bugzilla-43282', 'video-bugzilla-43168', 'bugzilla-40002' and 'bugfix-misc' into release 2012-06-30 00:53:50 -04:00
wakeup.c ACPI / Wakeup: Enable button GPEs unconditionally during initialization 2011-02-12 01:39:53 +01:00