This bug was fixed in the package linux - 2.6.35-22.33
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linux (2.6.35-22.33) maverick; urgency=low
[ Andy Whitcroft ]
* Revert SAUCE: Add support for Intellimouse Mode in ALPS touchpad on
Dell E2 series Laptops
- LP: #641320
[ Brian Rogers ]
* SAUCE: ir-core:
OK, I neglected to go back and look at the Maverick kernel code until
now. Here's a version based on Maverick's code.
I also tested this on top of Ubuntu-2.6.35-22.32 and verified that:
* LIRC no longer crashes
* no oops message
* I can look and poke at /sys/class/rc/rc0/protocols without
** Description changed:
+ SRU Justification:
+
+ Impact: Kernel oops occurs whenever the LIRC daemon loads.
+ Fix: Apply patch to check for NULL pointer dereference (see comment #5)
+ Testcase: Confirm kernel oops occurs prior to patch being applied. Confirm
kernel oops no longer occurs
** Tags added: patch
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BUG: unable to handle kernel NULL pointer dereference at (null)
https://bugs.launchpad.net/bugs/624701
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Here's a patch I wrote. Posted here:
http://article.gmane.org/gmane.linux.kernel.input/15312
** Patch added: Fix null pointer dereference
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/624701/+attachment/1591088/+files/0001-ir-core-Fix-null-dereferences-in-the-protocols-sysfs.patch
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** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Brian Rogers (brian-rogers)
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BUG: unable to handle kernel NULL pointer dereference at (null)
https://bugs.launchpad.net/bugs/624701
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** Description changed:
- Something like half the time when my system starts, I get an oops in
- dmesg, which appears to be related to the IR receiver in my TV tuner.
- This problem didn't happen in Lucid's 2.6.32 kernel. So far I haven't
- witnessed any harmful effects.
+ When my system starts,
Bisected. Bad commit upstream:
commit 667c9ebe97f7e5f1e48e7eb321644c6fb1668de5
Author: David Härdeman da...@hardeman.nu
Date: Sun Jun 13 17:29:31 2010 -0300
V4L/DVB: ir-core: centralize sysfs raw decoder enabling/disabling
With the current logic, each raw decoder needs to add a
2.6.35-18.24 is good
2.6.35-19.25 is bad
Mainline 2.6.36-rc3 is also bad.
Therefore, this is the suspect commit:
UBUNTU: SAUCE: Update ir-core to linuxtv/other which should be merged
for 2.6.36.
BugLink: http://bugs.launchpad.net/bugs/609234
Patch generated from the linuxtv staging/other
** Attachment added: .etc.asound.conf.txt
https://bugs.launchpad.net/bugs/624701/+attachment/1520473/+files/.etc.asound.conf.txt
** Attachment added: AcpiTables.txt
https://bugs.launchpad.net/bugs/624701/+attachment/1520474/+files/AcpiTables.txt
** Attachment added: AlsaDevices.txt
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