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2010-05-11ACPI: sleep: eliminate duplicate entries in acpisleep_dmi_table[]Alex Chiang
Duplicate entries ended up acpisleep_dmi_table[] by accident. They don't hurt functionality, but they are ugly, so let's get rid of them. Cc: stable@kernel.org Signed-off-by: Alex Chiang <achiang@canonical.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-10Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: fix suspend crash by moving initializations earlier HID: sony: fix sony_set_operational_bt HID: ntrig: Remove unused macro, TripleTap and QuadTap HID: ntrig: TipSwitch for single touch mode touch. HID: hidraw: fix numbered reports HID: wacom: remove annoying non-error printk HID: ntrig: Emit TOUCH with DOUBLETAP for single touch HID: add support for cymotion master solar keyboard HID: ntrig: explain firmware quirk HID: fix N-trig touch panel with recent firmware
2010-05-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] Retry commands with UNIT_ATTENTION sense codes to fix ext3/ext4 I/O error [SCSI] Enable retries for SYNCRONIZE_CACHE commands to fix I/O error [SCSI] scsi_debug: virtual_gb ignores sector_size [SCSI] libiscsi: regression: fix header digest errors [SCSI] fix locking around blk_abort_request() [SCSI] advansys: fix narrow board error path
2010-05-09cpuidle: Fix incorrect optimizationArjan van de Ven
commit 672917dcc78 ("cpuidle: menu governor: reduce latency on exit") added an optimization, where the analysis on the past idle period moved from the end of idle, to the beginning of the new idle. Unfortunately, this optimization had a bug where it zeroed one key variable for new use, that is needed for the analysis. The fix is simple, zero the variable after doing the work from the previous idle. During the audit of the code that found this issue, another issue was also found; the ->measured_us data structure member is never set, a local variable is always used instead. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: Corrado Zoccolo <czoccolo@gmail.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-07HID: fix suspend crash by moving initializations earlierAlan Stern
Although the usbhid driver allocates its usbhid structure in the probe routine, several critical fields in that structure don't get initialized until usbhid_start(). However if report descriptor parsing fails then usbhid_start() is never called. This leads to problems during system suspend -- the system will freeze. This patch (as1378) fixes the bug by moving the initialization statements up into usbhid_probe(). Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Reported-by: Bruno Prémont <bonbons@linux-vserver.org> Tested-By: Bruno Prémont <bonbons@linux-vserver.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-05-07Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds
* 'for-linus' of git://neil.brown.name/md: md: restore ability of spare drives to spin down. md/raid6: Fix raid-6 read-error correction in degraded state
2010-05-07Merge branch 'urgent' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 * 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: pcmcia: fix compilation after 16bit state locking changes pcmcia: order userspace suspend and resume requests pcmcia: avoid pccard_validate_cis failure in resume callpath
2010-05-07Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: blk-cgroup: Fix an RCU warning in blkiocg_create() blk-cgroup: Fix RCU correctness warning in cfq_init_queue() drbd: don't expose failed local READ to upper layers
2010-05-07Merge branch 'drm-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/ttm: Remove the ttm_bo_block_reservation() function. drm/ttm: Remove some leftover debug messages. drm/radeon: async event synchronization for drmWaitVblank
2010-05-07virtio: initialize earlierStijn Tintel
Move initialization of the virtio framework before the initialization of mtd, so that block2mtd can be used on virtio-based block devices. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=15644 Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-07Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI: sleep: init_set_sci_en_on_resume for Dell Studio 155x ACPI: fix acpi_hest_firmware_first_pci() caused oops sbshc: acpi_device_class "smbus_host_controller" too long power_meter: acpi_device_class "power_meter_resource" too long acpi_pad: "processor_aggregator" name too long PNP: don't check for conflicts with bridge windows ACPI: DMI init_set_sci_en_on_resume for multiple Lenovo ThinkPads PNPACPI: compute Address Space length rather than using _LEN ACPI: silence kmemcheck false positive
2010-05-07Merge branch 'v4l_for_2.6.34' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'v4l_for_2.6.34' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: V4L/DVB: pxa_camera: move fifo reset direct before dma start V4L/DVB: video: testing unsigned for less than 0 V4L/DVB: mx1-camera: compile fix V4L/DVB: budget: Oops: "BUG: unable to handle kernel NULL pointer dereference" V4L/DVB: ngene: Workaround for stuck DiSEqC pin V4L/DVB: saa7146: fix regression of the av7110/budget-av driver V4L/DVB: v4l: fix config dependencies: mxb and saa7191 are V4L2 drivers, not V4L1 V4L/DVB: feature-removal: announce videotext.h removal V4L/DVB: V4L - vpfe capture - fix for kernel crash V4L/DVB: gspca: make usb id 0461:0815 get handled by the right driver V4L/DVB: gspca - stv06xx: Remove the 046d:08da from the stv06xx driver V4L/DVB: gspca - sn9c20x: Correct onstack wait_queue_head declaration V4L/DVB: saa7146: fix up bytesperline if it is an impossible value V4L/DVB: V4L: vpfe_capture - free ccdc_lock when memory allocation fails V4L/DVB: V4L - Makfile:Removed duplicate entry of davinci V4L/DVB: omap24xxcam: potential buffer overflow
2010-05-07md: restore ability of spare drives to spin down.NeilBrown
Some time ago we stopped the clean/active metadata updates from being written to a 'spare' device in most cases so that it could spin down and say spun down. Device failure/removal etc are still recorded on spares. However commit 51d5668cb2e3fd1827a55 broke this 50% of the time, depending on whether the event count is even or odd. The change log entry said: This means that the alignment between 'odd/even' and 'clean/dirty' might take a little longer to attain, how ever the code makes no attempt to create that alignment, so it could take arbitrarily long. So when we find that clean/dirty is not aligned with odd/even, force a second metadata-update immediately. There are already cases where a second metadata-update is needed immediately (e.g. when a device fails during the metadata update). We just piggy-back on that. Reported-by: Joe Bryant <tenminjoe@yahoo.com> Signed-off-by: NeilBrown <neilb@suse.de> Cc: stable@kernel.org
2010-05-07md/raid6: Fix raid-6 read-error correction in degraded stateGabriele A. Trombetti
Fix: Raid-6 was not trying to correct a read-error when in singly-degraded state and was instead dropping one more device, going to doubly-degraded state. This patch fixes this behaviour. Tested-by: Janos Haar <janos.haar@netcenter.hu> Signed-off-by: Gabriele A. Trombetti <g.trombetti.lkrnl1213@logicschema.com> Reported-by: Janos Haar <janos.haar@netcenter.hu> Signed-off-by: NeilBrown <neilb@suse.de> Cc: stable@kernel.org
2010-05-06Merge branches 'bugzilla-14337', 'bugzilla-14998', 'bugzilla-15407', ↵Len Brown
'bugzilla-15903' and 'misc-2.6.34' into release
2010-05-07drm/ttm: Remove the ttm_bo_block_reservation() function.Thomas Hellstrom
It's unused and buggy in its current form, since it can place a bo in the reserved state without removing it from lru lists. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-05-07drm/ttm: Remove some leftover debug messages.Thomas Hellstrom
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-05-07drm/radeon: async event synchronization for drmWaitVblankJerome Glisse
Bring radeon up to speed with the async event synchronization for drmWaitVblank. See c9a9c5e02aedc1a2815877b0268f886d2640b771 for more information. Without this patch event never get delivered to userspace client. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-05-06V4L/DVB: pxa_camera: move fifo reset direct before dma startStefan Herbrechtsmeier
Move the fifo reset from pxa_camera_start_capture to pxa_camera_irq direct before the dma start after an end of frame interrupt to prevent images from shifting because of old data at the begin of the frame. Signed-off-by: Stefan Herbrechtsmeier <hbmeier@hni.uni-paderborn.de> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Tested-by: Antonio Ospite <ospite@studenti.unina.it> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: video: testing unsigned for less than 0Dan Carpenter
soc_mbus_bytes_per_line() returns -EINVAL on error but we store it in an unsigned int so the test for less than zero doesn't work. I think it always returns "small" positive values so we can just cast it to int here. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: mx1-camera: compile fixUwe Kleine-König
This fixes a regression of 7d58289 (mx1: prefix SOC specific defines with MX1_ and deprecate old names) Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: budget: Oops: "BUG: unable to handle kernel NULL pointer dereference"Bjørn Mork
Never call dvb_frontend_detach if we failed to attach a frontend. This fixes the following oops, which will be triggered by a missing stv090x module: [ 8.172997] DVB: registering new adapter (TT-Budget S2-1600 PCI) [ 8.209018] adapter has MAC addr = 00:d0:5c:cc:a7:29 [ 8.328665] Intel ICH 0000:00:1f.5: PCI INT B -> GSI 17 (level, low) -> IRQ 17 [ 8.328753] Intel ICH 0000:00:1f.5: setting latency timer to 64 [ 8.562047] DVB: Unable to find symbol stv090x_attach() [ 8.562117] BUG: unable to handle kernel NULL pointer dereference at 000000ac [ 8.562239] IP: [<e08b04a3>] dvb_frontend_detach+0x4/0x67 [dvb_core] Ref http://bugs.debian.org/575207 Signed-off-by: Bjørn Mork <bjorn@mork.no> Cc: stable@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: ngene: Workaround for stuck DiSEqC pinOliver Endriss
Send one DiSEqC byte to make sure that the pin is set to low level. Signed-off-by: Oliver Endriss <o.endriss@gmx.de> Reviewed-by: Manu Abraham <abraham.manu@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: saa7146: fix regression of the av7110/budget-av driverHans Verkuil
An earlier regression fix for the mxb driver (V4L/DVB: saa7146_vv: fix regression where v4l2_device was registered too late) caused a new regression in the av7110 driver. Reverted the old fix and fixed the problem in the mxb driver instead. Tested on mxb and budget-av cards. The real problem is that the saa7146 framework has separate probe() and attach() driver callbacks which should be rolled into one. This is now done for the mxb driver, but others should do the same. Lack of hardware makes this hard to do, though. I hope to get hold of some hexium cards and then I can try to improve the framework to prevent this from happening again. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: v4l: fix config dependencies: mxb and saa7191 are V4L2 drivers, not ↵Hans Verkuil
V4L1 v4l: fix config dependencies: mxb and saa7191 are V4L2 drivers, not V4L1 Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: V4L - vpfe capture - fix for kernel crashMuralidharan Karicheri
As part of upstream merge, set_params() function was removed from isif.c. This requires removal of BUG_ON() and check for set_params ptr in vpfe_capture.c. Without this kernel crash dump is seen while bootup on DM365 Also made following changes:- 1) converted error messages to debug messages since it is not right to flood the console with error messages for user mistakes. 2) returns -EINVAL if ioctl is not supported Signed-off-by: Muralidharan Karicheri <m-karicheri2@ti.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: gspca: make usb id 0461:0815 get handled by the right driverJohn Ellson
The 0461:0815 camera is spca561 based not spca508 Signed-off-by: John Ellson <john.ellson@comcast.net> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: gspca - stv06xx: Remove the 046d:08da from the stv06xx driverErik Andrén
The 046d:08da usb id shouldn't be associated with the stv06xx driver as they're not compatible with each other. This fixes a bug where Quickcam Messenger cams fail to use its proper driver (gspca-zc3xx), rendering the camera inoperable. Signed-off-by: Erik Andrén <erik.andren@gmail.com> Tested-by: Gabriel Craciunescu <nix.or.die@googlemail.com> Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: gspca - sn9c20x: Correct onstack wait_queue_head declarationYong Zhang
Use DECLARE_WAIT_QUEUE_HEAD_ONSTACK to make lockdep happy Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Signed-off-by: Jean-François Moine <moinejf@free.fr> CC: Brian Johnson <brijohn@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: saa7146: fix up bytesperline if it is an impossible valueMichael Hunold
xawtv using DGA on a Radeon graphics card provides bogus values to S_FBUF, which will then screw up overlay video: https://bugs.launchpad.net/ubuntu/+source/xawtv/+bug/499734 This fixes the bytesperline value if it is off completely. Signed-off-by: Michael Hunold <michael@mihu.de> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: V4L: vpfe_capture - free ccdc_lock when memory allocation failsMurali Karicheri
This patch fixes a bug in vpfe_probe() that doesn't call mutex_unlock() if memory allocation for ccdc_cfg fails. See also the smatch warning report from Dan Carpenter that shows this as an issue. Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: V4L - Makfile:Removed duplicate entry of davinciVaibhav Hiremath
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Muralidharan Karicheri <mkaricheri@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06V4L/DVB: omap24xxcam: potential buffer overflowDan Carpenter
The previous loop goes until last == VIDEO_MAX_FRAME, so this could potentially go one past the end of the loop. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-05-06ACPI: sleep: init_set_sci_en_on_resume for Dell Studio 155xKamal Mostafa
Add Dell Studio models (1558, 1557, 1555) to the 'set_sci_en_on_resume' list to fix hang on resume. BugLink: http://bugs.launchpad.net/bugs/553498 Signed-off-by: Kamal Mostafa <kamal@canonical.com> Acked-by: Alex Chiang <achiang@canonical.com> Cc: stable@kernel.org Signed-off-by: Len Brown <len.brown@intel.com>
2010-05-06Merge branch 'sh/for-2.6.34' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'sh/for-2.6.34' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: fix a number of Oopses and leaks in SH framebuffer driver SH: fix error paths in DMA driver sh: sh7751 pci controller io port fix sh: Fix maximum number of SCIF ports in R2D defconfigs SH: fix TS field shift calculation for DMA drivers
2010-05-06ACPI: fix acpi_hest_firmware_first_pci() caused oopsShaohua Li
acpi_hest_firmware_first_pci() could be called when acpi is disabled and cause system oops. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-05-06sbshc: acpi_device_class "smbus_host_controller" too longDan Carpenter
acpi_device_class can only be 19 characters and a NULL terminator. With the current name we get a buffer overflow in acpi_smbus_hc_add() when we do: strcpy(acpi_device_class(device), ACPI_SMB_HC_CLASS); Signed-off-by: Dan Carpenter <error27@gmail.com> Cc: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2010-05-06power_meter: acpi_device_class "power_meter_resource" too longDan Carpenter
acpi_device_class can only be 19 characters and a NULL terminator. The current code has a buffer overflow in acpi_power_meter_add(): strcpy(acpi_device_class(device), ACPI_POWER_METER_CLASS); Signed-off-by: Dan Carpenter <error27@gmail.com> Cc: Len Brown <lenb@kernel.org> Cc: "Darrick J. Wong" <djwong@us.ibm.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2010-05-06acpi_pad: "processor_aggregator" name too longDan Carpenter
cpi_device_class can only be 19 characters and a NULL terminator. With the current name we get a buffer overflow in acpi_pad_add() strcpy(acpi_device_class(device), ACPI_PROCESSOR_AGGREGATOR_CLASS); [akpm@linux-foundation.org: call it acpi_pad, per Shaohua Li] Signed-off-by: Dan Carpenter <error27@gmail.com> Cc: walter harms <wharms@bfs.de> Acked-by: Shaohua Li <shaohua.li@intel.com> Cc: Len Brown <lenb@kernel.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2010-05-06PNP: don't check for conflicts with bridge windowsBjorn Helgaas
With fa35b4926, I broke a lot of PNP resource assignment. That commit made PNPACPI include bridge windows as PNP resources, and PNP resource assignment treats any enabled overlapping PNP resources as conflicts. Since PCI host bridge windows typically include most of the I/O port space, this makes PNP port assigments fail. The PCI host bridge driver will eventually use those PNP window resources, so we should make PNP ignore them when checking for conflicts. This fixes https://bugzilla.kernel.org/show_bug.cgi?id=15903 Reported-and-tested-by: Pavel Kysilka <goldenfish@linuxsoft.cz> Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-05-06sh: fix a number of Oopses and leaks in SH framebuffer driverGuennadi Liakhovetski
Fix a number of Oopses, memory leaks and unbalanced calls on error paths in sh_mobile_lcdcfb.c. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-05-05Merge branch 'zerolen' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6 * 'zerolen' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6: [MTD] Remove zero-length files mtdbdi.c and internal.ho
2010-05-05[MTD] Remove zero-length files mtdbdi.c and internal.hoJeff Garzik
Both were "removed" in commit a33eb6b91034c95b9b08576f68be170f995b2c7d. Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-05-05pata_pcmcia / ide-cs: Fix bad hashes for Transcend and kingston IDsKristoffer Ericson
This patch fixes the bad hashes for one Kingston and one Transcend card. Thanks to komuro for pointing this out. Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-05-05ACPI: DMI init_set_sci_en_on_resume for multiple Lenovo ThinkPadsAlex Chiang
Multiple Lenovo ThinkPad models with Intel Core i5/i7 CPUs can successfully suspend/resume once, and then hang on the second s/r cycle. We got confirmation that this was due to a BIOS defect. The BIOS did not properly set SCI_EN coming out of S3. The BIOS guys hinted that The Other Leading OS ignores the fact that hardware owns the bit and sets it manually. In any case, an existing DMI table exists for machines where this defect is a known problem. Lenovo promise to fix their BIOS, but for folks who either won't or can't upgrade their BIOS, allow Linux to workaround the issue. https://bugzilla.kernel.org/show_bug.cgi?id=15407 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/532374 Confirmed by numerous testers in the launchpad bug that using acpi_sleep=sci_force_enable fixes the issue. We add the machines to acpisleep_dmi_table[] to automatically enable this workaround. Cc: stable@kernel.org Cc: Colin King <colin.king@canonical.com> Signed-off-by: Alex Chiang <achiang@canonical.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-05-05[SCSI] Retry commands with UNIT_ATTENTION sense codes to fix ext3/ext4 I/O errorJames Bottomley
There's nastyness in the way we currently handle barriers (and discards): They're effectively filesystem commands, but they get processed as BLOCK_PC commands. Unfortunately BLOCK_PC commands are taken by SCSI to be SG_IO commands and the issuer expects to see and handle any returned errors, however trivial. This leads to a huge problem, because the block layer doesn't expect this to happen and any trivially retryable error on a barrier causes an immediate I/O error to the filesystem. The only real way to hack around this is to take the usual class of offending errors (unit attentions) and make them all retryable in the case of a REQ_HARDBARRIER. A correct fix would involve a rework of the entire block and SCSI submit system, and so is out of scope for a quick fix. Cc: Hannes Reinecke <hare@suse.de> Cc: Stable Tree <stable@kernel.org> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-05-05[SCSI] Enable retries for SYNCRONIZE_CACHE commands to fix I/O errorHannes Reinecke
Some arrays are giving I/O errors with ext3 filesystems when SYNCHRONIZE_CACHE gets a UNIT_ATTENTION. What is happening is that these commands have no retries, so the UNIT_ATTENTION causes the barrier to fail. We should be enable retries here to clear any transient error and allow the barrier to succeed. Signed-off-by: Hannes Reinecke <hare@suse.de> Cc: Stable Tree <stable@kernel.org> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-05-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: FEC: Fix kernel panic in fec_set_mac_address. ipv6: Fix default multicast hops setting. net: ep93xx_eth stops receiving packets drivers/net/phy: micrel phy driver dm9601: fix phy/eeprom write routine ppp_generic: handle non-linear skbs when passing them to pppd ppp_generic: pull 2 bytes so that PPP_PROTO(skb) is valid net: fix compile error due to double return type in SOCK_DEBUG net/usb: initiate sync sequence in sierra_net.c driver net/usb: remove default in Kconfig for sierra_net driver r8169: Fix rtl8169_rx_interrupt() e1000e: Fix oops caused by ASPM patch. net/sb1250: register mdio bus in probe sctp: Fix skb_over_panic resulting from multiple invalid parameter errors (CVE-2010-1173) (v4) p54pci: fix bugs in p54p_check_tx_ring
2010-05-05Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: joydev - allow binding to button-only devices Input: elantech - ignore high bits in the position coordinates Input: elantech - allow forcing Elantech protocol Input: elantech - fix firmware version check Input: ati_remote - add some missing devices from lirc_atiusb Input: eeti_ts - cancel pending work when going to suspend Input: Add support of Synaptics Clickpad device Revert "Input: ALPS - add signature for HP Pavilion dm3 laptops" Input: psmouse - ignore parity error for basic protocols
2010-05-05FEC: Fix kernel panic in fec_set_mac_address.Mattias Walström
Fix memory corruption that sometimes result in kernel panic. Signed-off-by: Mattias Walström <mattias@vmlinux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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