[Bug 928943] Re: BUG: unable to handle kernel NULL pointer dereference at (null)

Luis Henriques luis.henriques at canonical.com
Wed Jan 9 17:33:49 UTC 2013


Hi Master,

I've removed the duplication link for this bug.  Its definitely a
completely different bug.

After looking at the hidp kernel code, I found a recent mainline fix
that is not yet available on our Precise kernels.  This is upstream
commit 4529eefad087f97b33c0f31984d924b1f15d7bae "HID: hidp: fallback to
input session properly if hid is blacklisted".

I've cherry-picked this commit into the precise kernel, built a test
kernel and uploaded it here:

http://people.canonical.com/~henrix/lp928943/

Could you please give it a try and see if it fixes your oops?  Thank
you.

** This bug is no longer a duplicate of bug 922906
   Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Changed in: bluez (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/928943

Title:
  BUG: unable to handle kernel NULL pointer dereference at
  (null)

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