Thread (8 messages) 8 messages, 5 authors, 2012-09-13

Re: linux-next: Tree for Sept 12 (kernel-panic after pressing any key at X login)

From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: 2012-09-13 06:49:17
Also in: linux-input, lkml

On Thu, Sep 13, 2012 at 08:36:36AM +0200, Sedat Dilek wrote:
On Thu, Sep 13, 2012 at 8:04 AM, Minchan Kim [off-list ref] wrote:
quoted
On Thu, Sep 13, 2012 at 07:29:32AM +0200, Sedat Dilek wrote:
quoted
On Thu, Sep 13, 2012 at 5:18 AM, Sedat Dilek [off-list ref] wrote:
quoted
On Wed, Sep 12, 2012 at 10:46 AM, Stephen Rothwell [off-list ref] wrote:
quoted
Hi all,

Changes since 201209011:

The pci tree lost its build failure.

The mfd tree gained a conflict against Linus' tree.

The omap_dss2 tree lost its conflict.

The trivial tree gained a conflict against the mfd tree.

The kvm tree gained a conflict against Linus' tree.

The workqueues tree gained a conflict against the omap_dss2 tree.

The usb tree gained conflicts against the usb.current tree.

The staging tree gained a conflict against the thermal tree and a build
failure for which I applied a merge fix patch.

The tegra tree gained conflicts against the usb and arm-perf trees.

----------------------------------------------------------------------------
Hi,

this weeks linux-next seems to bring new and new issues, yay :-)!

I have taken a photo, but can't say what can have caused.
The issue is reproducible...
Immediately, after pressing any key (when X-display-manager (lightdm)
and X-greeter are up) my machine panics and is no more usable (cold
rough brutal killer restart).
Note: Using upstart or systemd does not matter.

Any pointer to an area where to dig into or any feedback in general is welcome!

Kind Regards,
- Sedat -
[ CC Dmitry Torokhov (linux-input maintainer) plus linux-input ML ]

By looking at my screenshot, someone could imagine that there is a
problem coming from the input GIT branch(es) merges:

input_to_handler()
input_pass_values()
input_handle_event()
input_event()

Unfortunately, with those 3 revert-patches I see the same kernel-panic.

Dimitry, any idea what can cause this kernel-panic?
Today, I met similar problem in mmotm-2012-09-12-17-36 on my KVM.
It's hard to reproduce in my mahcine but I confirmed following as
Hoping it helps you.
[ CC more input developers/testers ]

Hi Minchan,

Hey, cool. Thanks for the pointer in the source-code and the call-trace!
I had reverted [1], but anyway input folks should look at this.

Kind Regards,
- Sedat -

[1] http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commitdiff;h=b276fc1e875a51e4a9dc3322ed008bf4ae481baf
Henrik,

It looks like your changes are causing the panic.

-- 
Dmitry
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