Re: [hv] BUG: kernel freezes after [ 13.356381] PCI: CLS 0 bytes,default 64

From: Greg KH
Date: Tue Jun 04 2013 - 18:53:11 EST

On Tue, Jun 04, 2013 at 10:15:36PM +0800, Fengguang Wu wrote:
> Greetings,
> I got the below dmesg (kernel freezes at the end of it) and the first bad commit is
> commit cf6a2eacbcb2593b5b91d0817915c4f0464bb534
> Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> Date: Thu Dec 1 09:59:34 2011 -0800
> drivers: hv: Don't OOPS when you cannot init vmbus
> The hv vmbus driver was causing an OOPS since it was trying to register drivers
> on top of the bus even if initialization of the bus has failed for some
> reason (such as the odd chance someone would run a hv enabled kernel in a
> non-hv environment).
> Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> Cc: stable <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
> [ 13.356381] PCI: CLS 0 bytes, default 64

Ick, not good. K.Y., any reason why I shouldn't just revert this?


greg k-h
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