** Tags added: kernel-key
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https://bugs.launchpad.net/bugs/1265885
Title:
regression with respect touchpad
Status in “linux” package in Ubuntu:
Triaged
Bug
Thanks for the update, Kent. The best way to get the patches reviewed
is for the patch author to send them to the kernel team mailing list:
kernel-t...@lists.ubuntu.com
There is some info on a wiki here as well:
https://wiki.ubuntu.com/Kernel/Dev/KernelPatches
** Changed in: linux (Ubuntu)
I think I know what might be happening here...
The firmware on these Synaptics touchpads supports i2c mode as well as
psmouse mode. Older kernels prior to 3.11 didn't have very good i2c
support and the firmware on the touchpad would fall back to psmouse
mode. psmouse mode worked nicely on
Can you test the following kernels and report back? We are looking for
the earliest kernel version that exhibits this bug:
v3.12-rc4: http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.12-rc4-saucy/
If v3.12-rc4 does not exhibit the bug then test v3.12-rc6:
v3.12-rc6:
** Tags added: needs-kernel-logs
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Title:
regression with respect touchpad
Status in “linux” package in Ubuntu:
In Progress
Bug
The v3.13.1 kernel is now available. Can you give that kernel a test before we
start a bisect? It can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13.1-trusty/
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I can confirm that that kernel version v3.13.1 from the above line still
has the bug. I can also confirm that blacklisting i2c_hid makes the
touchpad work in that kernel version.
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With code based on linus' tree in a git clone that I git pulled this
morning, I get the same results. I have attached the dmesg.
** Attachment added: dmesg from linux-3.14.beforerc1
There are all kinds of ACPI errors in the dmesg.
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Title:
regression with respect touchpad
Status in “linux” package in Ubuntu:
I just tried another of the generic kernel. Here's some info:
wt@braindead:~/Documents$ cat linux-3.9.0-030900.has_touchpad_controls.txt
uname -a
Linux braindead 3.9.0-030900-generic #201304291257 SMP Mon Apr 29 16:58:15 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
dmesg | grep syn
[ 10.221126]
Bah, I guess that was expected since the 3.11 series of kernels worked.
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Title:
regression with respect touchpad
Status in “linux”
This bug is appears to be a duplicate of bug 1263319. However, I have
not reinstalled. I would really like to help make sure this issue is
handled properly so that other don't upgrade into this state like I
did.
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I just tried the kernel you pointed me to (version
3.12.0-031200-generic #201311071835) does not show the touchpad
controls. And just for the record, I don't see any of the messages I
posted above shortly after boot. Here's proof:
wt@braindead:~$ dmesg | grep syn
wt@braindead:~$
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I am sorry. I have been extremely busy these past couple weeks. I'll try
to make some progress soon.
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Title:
regression with
I'd like to perform a bisect to figure out what commit caused this
regression. We need to identify the earliest kernel where the issue
started happening as well as the latest kernel that did not have this
issue.
Can you test the following kernel:
v3.12 final:
Okay. I loaded the trusty linux-image+extras (3.12.0-8-generic) into
saucy. There are still no input settings for my touchpad in the system
settings.
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This regression is present in kernel version 3.12.6-031206-generic.
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Title:
regression with respect touchpad
Status in “linux”
I am just warning you that this problem may existing in what will become
trusty. Is this not a valid bug to file in that case?
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Warren Turkal, thank you for taking the time to report this bug and trying to
help make Ubuntu better. However, the mainline upstream kernel is not a
software package provided by the official Ubuntu repositories. For more on this
please see
Thanks for the heads up on this, Warren.
Can you see if this bug exists in the latest Trusty kernel, which can be
downloaded from:
amd64:
https://launchpad.net/ubuntu/+source/linux/3.12.0-8.16/+build/5404630
i386:
https://launchpad.net/ubuntu/+source/linux/3.12.0-8.16/+build/5404633
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