| Commit message (Collapse) | Author | Age | Files | Lines |
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Use the DRM_DEBUG_KMS macro definition to print the debug info for
the LVDS.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Now all the DRM debug info will be reported if the boot option of
"drm.debug=1" is added. Sometimes it is inconvenient to get the debug
info in KMS mode. We will get too much unrelated info.
This will separate several DRM debug levels and the debug level can be used
to print the different debug info. And the debug level is controlled by the
module parameter of drm.debug
In this patch it is divided into four debug levels;
drm_core, drm_driver, drm_kms, drm_mode.
At the same time we can get the different debug info by changing the debug
level. This can be done by adding the module parameter. Of course it can
be changed through the /sys/module/drm/parameters/debug after the system is
booted.
Four debug macro definitions are provided.
DRM_DEBUG(fmt, args...)
DRM_DEBUG_DRIVER(prefix, fmt, args...)
DRM_DEBUG_KMS(prefix, fmt, args...)
DRM_DEBUG_MODE(prefix, fmt, args...)
When the boot option of "drm.debug=4" is added, it will print the debug info
using DRM_DEBUG_KMS macro definition.
When the boot option of "drm.debug=6" is added, it will print the debug info
using DRM_DEBUG_KMS/DRM_DEBUG_DRIVER.
Sometimes we expect to print the value of an array.
For example: SDVO command,
In such case the following four DRM debug macro definitions are added:
DRM_LOG(fmt, args...)
DRM_LOG_DRIVER(fmt, args...)
DRM_LOG_KMS(fmt, args...)
DRM_LOG_MODE(fmt, args...)
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This shouldn't be there and is what broke r600 late in the 2.6.30
release cycle with Ben's patch.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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A driver will use the _DRM_DRIVER map flag to indicate that it wants
to be responsible for removing the map itself, bypassing the DRM's
automagic cleanup code.
Since the multi-master changes this has been broken, resulting in some
drivers having their registers unmapped before it's finished with them.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Calls to kcalloc() for a single element can be simplified to calls to
kzalloc().
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Cc: Dave Airlie <airlied@linux.ie>
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Pavel Roskin <proski@gnu.org>
Cc: Eric Anholt <eric@anholt.net>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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With the DRM-driven DPMS code, encoders are considered idle unless a
connector is hooked to them, so mode setting is skipped. This makes load
detection fail as none of the hardware is enabled.
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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To differentiate between encountering an out-of-memory error with running
out of space in the aperture, use ENOSPC for the later.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Ensure that the drm_vblank_pre_modeset() is always balanced by
drm_vblank_post_modeset() within intel_crtc_mode_set().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The batch buffer may be shared with another read buffer, so we should not
ignore any previously set domains, but just or in the command domain (and
check that the buffer is not writable).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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By sending a broken execbuffer (its length was not suitably aligned) I
triggered an operation upon a freed object. The invalid alignment was
discovered after updating the write_domain on the object but before the
object was placed on the active queue. So during the unwind process
following the error, the now freed object attempts to flush its
non-existent, but outstanding, GPU writes causing this use-after-free.
[drm:i915_dispatch_gem_execbuffer] *ERROR* alignment
[drm:i915_gem_execbuffer] *ERROR* dispatch failed -22
WARNING: at lib/kref.c:43 warn_slowpath_null+0x10/0x15()
Modules linked in:
Pid: 4552, comm: lt-csi-drm Not tainted 2.6.30-rc6 #423
Call Trace:
[<c0119ef3>] warn_slowpath_fmt+0x57/0x6d
[<c014de24>] ? get_pageblock_migratetype+0x18/0x1e
[<c014e8fd>] ? free_hot_page+0xa/0xc
[<c014e915>] ? __free_pages+0x16/0x1f
[<c0153ebf>] ? shmem_truncate_range+0x63e/0x656
[<c015fb2f>] ? slob_page_alloc+0x146/0x1c8
[<c0119f19>] warn_slowpath_null+0x10/0x15
[<c01f55f2>] kref_get+0x1b/0x21
[<c02605db>] i915_gem_object_move_to_active+0x1f/0x56
[<c0261302>] i915_add_request+0x156/0x19a
[<c026136e>] i915_gem_object_flush_gpu_write_domain+0x28/0x3f
[<c0261eca>] i915_gem_object_unbind+0x4a/0x124
[<c0261fd7>] i915_gem_free_object+0x33/0x9b
[<c0250d6b>] drm_gem_object_free+0x28/0x4a
[<c0250d43>] ? drm_gem_object_free+0x0/0x4a
[<c01f55ce>] kref_put+0x38/0x41
[<c0250cbf>] drm_gem_object_unreference+0x11/0x13
[<c0250d06>] drm_gem_object_handle_unreference+0x1e/0x21
[<c0250d13>] drm_gem_object_release_handle+0xa/0xe
[<c01f3e6b>] idr_for_each+0x5f/0x98
[<c0250d09>] ? drm_gem_object_release_handle+0x0/0xe
[<c0250daf>] drm_gem_release+0x22/0x34
[<c025046f>] drm_release+0x1e8/0x3c4
[<c0162d25>] __fput+0xaf/0x146
[<c0162dce>] fput+0x12/0x14
[<c01605ef>] filp_close+0x48/0x52
[<c011b182>] put_files_struct+0x57/0x9b
[<c011b1e4>] exit_files+0x1e/0x20
[<c011c6b6>] do_exit+0x16d/0x511
[<c03704ab>] ? __schedule+0x3d4/0x3e5
[<c0103f0d>] ? handle_irq+0xd/0x69
[<c011caa7>] do_group_exit+0x4d/0x73
[<c011cae0>] sys_exit_group+0x13/0x17
[<c010268c>] sysenter_do_call+0x12/0x2b
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Michael Cousin <mika.cousin@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Update interrupt handling methods for IGDNG with new registers
for display and graphics interrupt functions. As we won't use
irq-based vblank sync in dri2, so display interrupt on new chip
will be used for hotplug only in future.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Using the new PNP resource checking code, this patch allows the i915
driver to allocate MCHBAR space if needed and use the BAR to determine
current memory settings.
[apw@canonical.com: moved to the new generic PNP resource interface]
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
failure to update-index after git-am --reject to hand-apply
Signed-off-by: Eric Anholt <eric@anholt.net>
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Add a PNP resource range check function, indicating whether a resource
has been assigned to any device.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
[apw@canonical.com: fixed up exports et al]
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The sysrq functions are executed in hardirq context, so we shouldn't be
calling sleeping functions from them, like mutex_locks or memory
allocations.
Fix up the i915 sysrq handler to avoid this.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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All G4x and newer chips use the new style frame count register, with a
full 32 bit frame count. Update the code to reflect this.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Fix a FIXME in the intel LVDS bring-up code, adding the appropriate
blacklist entry for the AOpen Mini PC, courtesy of a dmidecode
dump from Florian Demmer.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
CC: Florian Demmer <florian@demmer.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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http://bugs.freedesktop.org/show_bug.cgi?id=20429
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
[anholt: Massive cleanup of the slave addr function]
Signed-off-by: Eric Anholt <eric@anholt.net>
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The general definition block contains the child device tables, which include
the SDVO device info. For example: device slave address, device dvo port,
device type.
We will get the info of SDVO device by parsing the general definition blocks.
Only when a valid slave address is found, it is regarded as the SDVO device.
And the info of DVO port and slave address is recorded.
http://bugs.freedesktop.org/show_bug.cgi?id=20429
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This adds the register definitions for the display port enable register
along with those for the GMCH and Link M/N ratios required to drive display
port outputs.
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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We can safely assume that cursor addresses will not extend beyond the
addressable screen dimensions; setting the additional bits is harmless in
any case.
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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We detect TV connect status by setting DAC voltage level override
values as 0.7 voltage for DAC_A/B/C. The corresponding 2-bits shold be 0x2,
In order correctly to set last bit as 0, at first we must clean it.
It fixed freedesktop.org bug #21204
Signed-off-by: Ma Ling <ling.ma@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This adds kernel mode setting on IGDNG with VGA output support.
Note that suspend/resume doesn't work yet.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Swizzle bit detection not working right on it.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Disable OpRegion support for now until verified on new chipsets.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
[anholt: dropped drm_pciids.h hunk to avoid loading an incomplete driver]
Signed-off-by: Eric Anholt <eric@anholt.net>
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Both desktop and mobile versions are added.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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keithp didn't like the original 20ms plan because a cooperative client could
be starved by an uncooperative client. There may even have been problems
with cooperative clients versus cooperative clients. So keithp changed
throttle to just wait for the second to last seqno emitted by that client.
It worked well, until we started getting more round-trips to the server
due to DRI2 -- the server throttles in BlockHandler, and so if you did more
than one round trip after finishing your frame, you'd end up unintentionally
syncing to the swap.
Fix this by keeping track of the client's requests, so the client can wait
when it has an outstanding request over 20ms old. This should have
non-starving behavior, good behavior in the presence of restarts, and less
waiting. Improves high-settings openarena performance on my GM45 by 50%.
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This may fix cursor corruption in X on resume, which would persist until
the cursor was hidden and then shown again.
V2: Also include the cursor control regs.
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This could be triggered by a gtt mapping fault on 965 that decides to
remove the fence from another object that happens to be active currently.
Since the other object doesn't rely on the fence reg for its execution, we
don't wait for it to finish. We'll soon be not waiting on 915 most of the
time as well, so just drop the BUG_ON.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Ideally we should have a directory of drivers and a link to the 'active'
driver. For now just show the first device which is effectively the existing
semantics without a warning.
This is an update on the original buggy patch that I then forgot to
resubmit. Confusingly it was proposed by Red Hat, written by Etched Pixels
fixed and submitted by Intel ...
Resolves-Bug: http://bugzilla.kernel.org/show_bug.cgi?id=9749
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This matches Bartlomiej's patch for ide_pci_generic:
c339dfdd65b52bfd947ab29d1210314a2f6d622d
In the libata case netcell has its own mini driver. I suspect this fix is
actually only needed for some firmware revs but it does no harm either way.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
net_cls: fix unconfigured struct tcf_proto keeps chaining and avoid kernel panic when we use cls_cgroup
e1000: add missing length check to e1000 receive routine
forcedeth: add phy_power_down parameter, leave phy powered up by default (v2)
Bluetooth: Remove useless flush_work() causing lockdep warnings
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Patch to fix bad length checking in e1000. E1000 by default does two
things:
1) Spans rx descriptors for packets that don't fit into 1 skb on recieve
2) Strips the crc from a frame by subtracting 4 bytes from the length prior to
doing an skb_put
Since the e1000 driver isn't written to support receiving packets that span
multiple rx buffers, it checks the End of Packet bit of every frame, and
discards it if its not set. This places us in a situation where, if we have a
spanning packet, the first part is discarded, but the second part is not (since
it is the end of packet, and it passes the EOP bit test). If the second part of
the frame is small (4 bytes or less), we subtract 4 from it to remove its crc,
underflow the length, and wind up in skb_over_panic, when we try to skb_put a
huge number of bytes into the skb. This amounts to a remote DOS attack through
careful selection of frame size in relation to interface MTU. The fix for this
is already in the e1000e driver, as well as the e1000 sourceforge driver, but no
one ever pushed it to e1000. This is lifted straight from e1000e, and prevents
small frames from causing the underflow described above
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Tested-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a phy_power_down parameter to forcedeth: set to 1 to power down the
phy and disable the link when an interface goes down; set to 0 to always
leave the phy powered up.
The phy power state persists across reboots; Windows, some BIOSes, and
older versions of Linux don't bother to power up the phy again, forcing
users to remove all power to get the interface working (see
http://bugzilla.kernel.org/show_bug.cgi?id=13072). Leaving the phy
powered on is the safest default behavior. Users accustomed to seeing
the link state reflect the interface state and/or wanting to minimize
power consumption can set phy_power_down=1 if compatibility with other
OSes is not an issue.
Signed-off-by: Ed Swierk <eswierk@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: Update documentation on fan_max
hwmon: (lm78) Add missing __devexit_p()
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The remove function uses __devexit, so the .remove assignment needs
__devexit_p() to fix a build error with hotplug disabled.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
3c509: Add missing EISA IDs
MAINTAINERS: take maintainership of the cpmac Ethernet driver
net/firmare: Ignore .cis files
ath1e: add new device id for asus hardware
mlx4_en: Fix a kernel panic when waking tx queue
rtl8187: add USB ID for Linksys WUSB54GC-EU v2 USB wifi dongle
at76c50x-usb: avoid mutex deadlock in at76_dwork_hw_scan
mac8390: fix build with NET_POLL_CONTROLLER
cxgb3: link fault fixes
cxgb3: fix dma mapping regression
netfilter: nfnetlink_log: fix wrong skbuff size calculation
netfilter: xt_hashlimit does a wrong SEQ_SKIP
bfin_mac: fix build error due to net_device_ops convert
atlx: move modinfo data from atlx.h to atl1.c
gianfar: fix babbling rx error event bug
cls_cgroup: read classid atomically in classifier
netfilter: nf_ct_dccp: add missing DCCP protocol changes in event cache
netfilter: nf_ct_tcp: fix accepting invalid RST segments
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Several EISA device IDs for 3c509 family network cards are missing from
the driver, making the cards unusable in their EISA mode. Here's a fix to
add them based on the EISA configuration files distributed by 3Com and our
eisa.ids database.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Gary Lin reports that a new device id needs to be added to the atl1e in
order to get some new Asus hardware to work properly.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the transmit queue gets full we enable interrupts for TX completions
There was a race that we handled the TX queue both from the interrupt context
and from the transmit function. Using "spin_trylock_irq()" ensures this
doesn't happen.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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http://bugzilla.kernel.org/show_bug.cgi?id=13383
Reported-by: Przemyslaw Kulczycki <azrael@autocom.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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