Re: [Xen-devel] Kernel Bug asterisk

[Hans-Christian Armingeon <johnny@xxxxxxxxxx>]

Am Mittwoch, 10. Mai 2006 14:20 schrieb Keir Fraser:
> 
> On 9 May 2006, at 16:30, Hans-Christian Armingeon wrote:
> 
> >> Only one domain can own the RTC. We had problems with some user-space
> >> programs hanging if the RTC driver was loaded but unable to bind to 
> >> IRQ
> >> 8 or access the RTC I/O ports.
> >
> > I am having the problem, that hwclock hangs, if rtc is compiled into 
> > the kernel.
> >
> > Is there a easy fix possible, to avoid systems hanging after a 
> > dist-upgrade?
> 
> Not allowing RTC to bind to IRQ8 is our current workaround. Are you 
> seeing the hang in domain0 or in other domains?

I only see the hang in domU. Dom0 has physical access to the rtc.
I had the rtc driver built into the kernel, not as a module.

It was a bit annoying, especially on ubuntu dapper domains, because after a 
dist-upgrade, /sbin/hwclock usually got restored, and after a reboot, the 
domain was hanging.

johnny

> 
>   -- Keir
> 

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