** Changed in: linux (Ubuntu)
Status: In Progress = Invalid
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https://bugs.launchpad.net/bugs/1110219
Title:
AMD's systems generate an additional KEY_SWITCHVIDEOMODE event
To
This bug was fixed in the package linux-lts-quantal -
3.5.0-27.46~precise1
---
linux-lts-quantal (3.5.0-27.46~precise1) precise-proposed; urgency=low
[Steve Conklin]
* Release Tracking Bug
- LP: #1160183
[ Steve Conklin ]
* Start New Release
[ Upstream Kernel
This bug was fixed in the package linux - 3.5.0-27.46
---
linux (3.5.0-27.46) quantal-proposed; urgency=low
[Steve Conklin]
* Release Tracking Bug
- LP: #1159991
[ Steve Conklin ]
* Start New Release
[ Upstream Kernel Changes ]
* crypto: user - fix info leaks in
** Tags removed: verification-needed-quantal
** Tags added: verification-done
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Title:
AMD's systems generate an additional KEY_SWITCHVIDEOMODE
** Tags removed: verification-done
** Tags added: verification-done-quantal
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Title:
AMD's systems generate an additional KEY_SWITCHVIDEOMODE
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed'
to 'verification-done'.
If verification is not done by one week from today, this fix will
@David,
Yes the same patches discussed in the url you posted.
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Title:
AMD's systems generate an additional KEY_SWITCHVIDEOMODE event
To manage
** Changed in: linux (Ubuntu Quantal)
Status: New = Fix Committed
** Changed in: linux (Ubuntu Precise)
Status: New = Invalid
** Also affects: linux-lts-quantal (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-lts-quantal (Ubuntu Quantal)
Status:
Same patch?
http://suselabtw.blogspot.tw/2012/07/amd-acpi-header.html
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Title:
AMD's systems generate an additional KEY_SWITCHVIDEOMODE event
To
Currently it only fixes radeon use case.
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Title:
AMD's systems generate an additional KEY_SWITCHVIDEOMODE event
To manage notifications about
Alex, do the patches in #5 fix both radeon and fglrx use cases, or only
radeon?
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Title:
AMD's systems generate an additional KEY_SWITCHVIDEOMODE
run acpi_listen with fn+f5 shows:
video LCDD 0087
video VGA 0081
video VGA 0081
run acpi_listen with fn+f6 shows:
video LCDD 0086
video VGA 0081
video VGA 0081
The additional 0x81 events are generated by BIOS ASL.
run sudo showkey with fn+f5 shows:
keycode 224 pressed
keycode 224 released
keycode 227 pressed
keycode 227 released
run sudo showkey with fn+f5 shows:
keycode 225 pressed
keycode 225 released
keycode 227 pressed
keycode 227 released
** Changed in: linux (Ubuntu)
Status: New = In Progress
This is a common bug for many AMD platforms.
The root cause is AMD uses Notify(VGA, 0x81) as default event for BIOS
ASL to notify AMD's driver. Although changing the event number from 0x81
to others (i.e. 0xD0~0xD9) is possible, it is not always the case when
systems are shipped.
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You
Two patches in kernel 3.7 fix this bug:
drm/radeon: block the keypress on ATIF events
(92fdf89aa95de32dba1cb44fe7f5c54824b4b2c4)
ACPI video: allow events handlers to veto the keypress
(8a37c65df9dcbd1c891df2b4a94157999b654841)
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I applied a number of patches (commit # as below) on 12.04's lts-
backport-quantal kernel, and it can fix the problem.
92fdf89aa95de32dba1cb44fe7f5c54824b4b2c4
8a37c65df9dcbd1c891df2b4a94157999b654841
c49170742d6928b16fb3839b47a94cc41630dbe0
fda4b25c55a59ba12378e4b9e4553f6ea57d802d
** Also affects: linux (Ubuntu Precise)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Quantal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Changed in: linux (Ubuntu Precise)
Importance: Undecided
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