linux-kernel - Re: [PATCH] rtc-cmos: do not call rtc_update

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Date:	Wed, 20 Apr 2011 13:02:46 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	"rtc-linux@...glegroups.com" <rtc-linux@...glegroups.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] rtc-cmos: do not call rtc_update_irq when cmos->rtc is
 uninitialized

On Tue, 19 Apr 2011, Konrad Rzeszutek Wilk wrote:
> On Tue, Apr 19, 2011 at 06:14:48PM +0100, Stefano Stabellini wrote:
> > Hi all,
> > I have a 32 bit kernel compiled with:
> > 
> > CONFIG_HPET_TIMER
> > CONFIG_HPET_EMULATE_RTC
> > CONFIG_RTC_DRV_CMOS
> > 
> > that crashes reliably on boot on xen with the following stack trace:
> 
> The commit f6d5b33125c4fa63c16f7f54c533338c9695d82c
> Author: John Stultz <john.stultz@...aro.org>
> Date:   Tue Mar 29 18:00:27 2011 -0700
> 
>     RTC: Fix early irqs caused by calling rtc_set_alarm too early
>     
> 
> doesn't fix it for you? (it is in 2.6.39-rc4)
> 

Yes, it does! I was working on 2.6.39-rc3...
Thanks,

Stefano
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