From: David Vrabel <david.vrabel@citrix.com>
To: M A Young <m.a.young@durham.ac.uk>, xen-devel@lists.xen.org
Subject: Re: hvc console not working on 4.4.0 guest
Date: Tue, 22 Dec 2015 10:01:28 +0000 [thread overview]
Message-ID: <56791F78.7010503@citrix.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1512212246460.13403@procyon.dur.ac.uk>
On 21/12/15 22:57, M A Young wrote:
> I am testing Fedora rawhide in a xen pv guest and I get the error
> [ 9.809550] genirq: Flags mismatch irq 8. 00000000 (hvc_console) vs.
> 00000000 (rtc0)
> [ 9.809714] hvc_open: request_irq failed with rc -16.
> during the boot and the hvc console doesn't respond when the boot
> finishes. I have noticed this I think since the update through various
> linux 4.4.0 kernels up to the current 4.4.0-0.rc5.git3.1.fc24.x86_64 one.
> I do get an hvc console if I use the Fedora 23 kernel 4.2.6-300.fc23.x86_64
> from before the update.
> Is this a known problem? I have attached the boot log up to the above
> error.
Fixed by "x86: Xen PV guests don't have the rtc_cmos platform device"
which hasn't yet been applied.
As a workaround try using a 2 VCPU guest.
David
prev parent reply other threads:[~2015-12-22 10:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-21 22:57 hvc console not working on 4.4.0 guest M A Young
2015-12-22 10:01 ` David Vrabel [this message]
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