Re: Regression: patch " hvc_console: display printk messages onconsole." causing infinite loop with 3.2-rc0 + Xen.

From: Greg KH
Date: Thu Oct 27 2011 - 02:00:32 EST


On Thu, Oct 27, 2011 at 01:30:08AM -0400, Konrad Rzeszutek Wilk wrote:
> Hey Miche.
>
> The git commit 361162459f62dc0826b82c9690a741a940f457f0:
>
> hvc_console: display printk messages on console.
>
> is causing an infinite loop when booting Linux under Xen, as so:
>
> [ 2.382984] console [hvc0] enabled
> [ 2.382984] console [hvc0] enabled
> [ 2.382984] console [hvc0] enabled
> [ 2.382984] console [hvc0] enabled
> [ 2.382984] console [hvc0] enabled
> [ 2.382984] console [hvc0] enabled
> ..
>
> (see attached file titled bad.log)
>
> If I use Linus's latest git tree and revert your patch I get the kernel
> to bootup (see good.log file),

Ick, not good, thanks for letting us know.

Miche, want me to just revert this, or do you think you can fix it?

thanks,

greg k-h
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